diff options
Diffstat (limited to 'vendor/github.com/fsouza/go-dockerclient/container.go')
| -rw-r--r-- | vendor/github.com/fsouza/go-dockerclient/container.go | 1623 |
1 files changed, 1623 insertions, 0 deletions
diff --git a/vendor/github.com/fsouza/go-dockerclient/container.go b/vendor/github.com/fsouza/go-dockerclient/container.go new file mode 100644 index 000000000..e24c9fb2e --- /dev/null +++ b/vendor/github.com/fsouza/go-dockerclient/container.go @@ -0,0 +1,1623 @@ +// Copyright 2013 go-dockerclient authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package docker + +import ( + "context" + "encoding/json" + "errors" + "fmt" + "io" + "net/http" + "net/url" + "strconv" + "strings" + "time" + + "github.com/docker/go-units" +) + +// ErrContainerAlreadyExists is the error returned by CreateContainer when the +// container already exists. +var ErrContainerAlreadyExists = errors.New("container already exists") + +// ListContainersOptions specify parameters to the ListContainers function. +// +// See https://goo.gl/kaOHGw for more details. +type ListContainersOptions struct { + All bool + Size bool + Limit int + Since string + Before string + Filters map[string][]string + Context context.Context +} + +// APIPort is a type that represents a port mapping returned by the Docker API +type APIPort struct { + PrivatePort int64 `json:"PrivatePort,omitempty" yaml:"PrivatePort,omitempty" toml:"PrivatePort,omitempty"` + PublicPort int64 `json:"PublicPort,omitempty" yaml:"PublicPort,omitempty" toml:"PublicPort,omitempty"` + Type string `json:"Type,omitempty" yaml:"Type,omitempty" toml:"Type,omitempty"` + IP string `json:"IP,omitempty" yaml:"IP,omitempty" toml:"IP,omitempty"` +} + +// APIMount represents a mount point for a container. +type APIMount struct { + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + Source string `json:"Source,omitempty" yaml:"Source,omitempty" toml:"Source,omitempty"` + Destination string `json:"Destination,omitempty" yaml:"Destination,omitempty" toml:"Destination,omitempty"` + Driver string `json:"Driver,omitempty" yaml:"Driver,omitempty" toml:"Driver,omitempty"` + Mode string `json:"Mode,omitempty" yaml:"Mode,omitempty" toml:"Mode,omitempty"` + RW bool `json:"RW,omitempty" yaml:"RW,omitempty" toml:"RW,omitempty"` + Propogation string `json:"Propogation,omitempty" yaml:"Propogation,omitempty" toml:"Propogation,omitempty"` +} + +// APIContainers represents each container in the list returned by +// ListContainers. +type APIContainers struct { + ID string `json:"Id" yaml:"Id" toml:"Id"` + Image string `json:"Image,omitempty" yaml:"Image,omitempty" toml:"Image,omitempty"` + Command string `json:"Command,omitempty" yaml:"Command,omitempty" toml:"Command,omitempty"` + Created int64 `json:"Created,omitempty" yaml:"Created,omitempty" toml:"Created,omitempty"` + State string `json:"State,omitempty" yaml:"State,omitempty" toml:"State,omitempty"` + Status string `json:"Status,omitempty" yaml:"Status,omitempty" toml:"Status,omitempty"` + Ports []APIPort `json:"Ports,omitempty" yaml:"Ports,omitempty" toml:"Ports,omitempty"` + SizeRw int64 `json:"SizeRw,omitempty" yaml:"SizeRw,omitempty" toml:"SizeRw,omitempty"` + SizeRootFs int64 `json:"SizeRootFs,omitempty" yaml:"SizeRootFs,omitempty" toml:"SizeRootFs,omitempty"` + Names []string `json:"Names,omitempty" yaml:"Names,omitempty" toml:"Names,omitempty"` + Labels map[string]string `json:"Labels,omitempty" yaml:"Labels,omitempty" toml:"Labels,omitempty"` + Networks NetworkList `json:"NetworkSettings,omitempty" yaml:"NetworkSettings,omitempty" toml:"NetworkSettings,omitempty"` + Mounts []APIMount `json:"Mounts,omitempty" yaml:"Mounts,omitempty" toml:"Mounts,omitempty"` +} + +// NetworkList encapsulates a map of networks, as returned by the Docker API in +// ListContainers. +type NetworkList struct { + Networks map[string]ContainerNetwork `json:"Networks" yaml:"Networks,omitempty" toml:"Networks,omitempty"` +} + +// ListContainers returns a slice of containers matching the given criteria. +// +// See https://goo.gl/kaOHGw for more details. +func (c *Client) ListContainers(opts ListContainersOptions) ([]APIContainers, error) { + path := "/containers/json?" + queryString(opts) + resp, err := c.do("GET", path, doOptions{context: opts.Context}) + if err != nil { + return nil, err + } + defer resp.Body.Close() + var containers []APIContainers + if err := json.NewDecoder(resp.Body).Decode(&containers); err != nil { + return nil, err + } + return containers, nil +} + +// Port represents the port number and the protocol, in the form +// <number>/<protocol>. For example: 80/tcp. +type Port string + +// Port returns the number of the port. +func (p Port) Port() string { + return strings.Split(string(p), "/")[0] +} + +// Proto returns the name of the protocol. +func (p Port) Proto() string { + parts := strings.Split(string(p), "/") + if len(parts) == 1 { + return "tcp" + } + return parts[1] +} + +// HealthCheck represents one check of health. +type HealthCheck struct { + Start time.Time `json:"Start,omitempty" yaml:"Start,omitempty" toml:"Start,omitempty"` + End time.Time `json:"End,omitempty" yaml:"End,omitempty" toml:"End,omitempty"` + ExitCode int `json:"ExitCode,omitempty" yaml:"ExitCode,omitempty" toml:"ExitCode,omitempty"` + Output string `json:"Output,omitempty" yaml:"Output,omitempty" toml:"Output,omitempty"` +} + +// Health represents the health of a container. +type Health struct { + Status string `json:"Status,omitempty" yaml:"Status,omitempty" toml:"Status,omitempty"` + FailingStreak int `json:"FailingStreak,omitempty" yaml:"FailingStreak,omitempty" toml:"FailingStreak,omitempty"` + Log []HealthCheck `json:"Log,omitempty" yaml:"Log,omitempty" toml:"Log,omitempty"` +} + +// State represents the state of a container. +type State struct { + Status string `json:"Status,omitempty" yaml:"Status,omitempty" toml:"Status,omitempty"` + Running bool `json:"Running,omitempty" yaml:"Running,omitempty" toml:"Running,omitempty"` + Paused bool `json:"Paused,omitempty" yaml:"Paused,omitempty" toml:"Paused,omitempty"` + Restarting bool `json:"Restarting,omitempty" yaml:"Restarting,omitempty" toml:"Restarting,omitempty"` + OOMKilled bool `json:"OOMKilled,omitempty" yaml:"OOMKilled,omitempty" toml:"OOMKilled,omitempty"` + RemovalInProgress bool `json:"RemovalInProgress,omitempty" yaml:"RemovalInProgress,omitempty" toml:"RemovalInProgress,omitempty"` + Dead bool `json:"Dead,omitempty" yaml:"Dead,omitempty" toml:"Dead,omitempty"` + Pid int `json:"Pid,omitempty" yaml:"Pid,omitempty" toml:"Pid,omitempty"` + ExitCode int `json:"ExitCode,omitempty" yaml:"ExitCode,omitempty" toml:"ExitCode,omitempty"` + Error string `json:"Error,omitempty" yaml:"Error,omitempty" toml:"Error,omitempty"` + StartedAt time.Time `json:"StartedAt,omitempty" yaml:"StartedAt,omitempty" toml:"StartedAt,omitempty"` + FinishedAt time.Time `json:"FinishedAt,omitempty" yaml:"FinishedAt,omitempty" toml:"FinishedAt,omitempty"` + Health Health `json:"Health,omitempty" yaml:"Health,omitempty" toml:"Health,omitempty"` +} + +// String returns a human-readable description of the state +func (s *State) String() string { + if s.Running { + if s.Paused { + return fmt.Sprintf("Up %s (Paused)", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt))) + } + if s.Restarting { + return fmt.Sprintf("Restarting (%d) %s ago", s.ExitCode, units.HumanDuration(time.Now().UTC().Sub(s.FinishedAt))) + } + + return fmt.Sprintf("Up %s", units.HumanDuration(time.Now().UTC().Sub(s.StartedAt))) + } + + if s.RemovalInProgress { + return "Removal In Progress" + } + + if s.Dead { + return "Dead" + } + + if s.StartedAt.IsZero() { + return "Created" + } + + if s.FinishedAt.IsZero() { + return "" + } + + return fmt.Sprintf("Exited (%d) %s ago", s.ExitCode, units.HumanDuration(time.Now().UTC().Sub(s.FinishedAt))) +} + +// StateString returns a single string to describe state +func (s *State) StateString() string { + if s.Running { + if s.Paused { + return "paused" + } + if s.Restarting { + return "restarting" + } + return "running" + } + + if s.Dead { + return "dead" + } + + if s.StartedAt.IsZero() { + return "created" + } + + return "exited" +} + +// PortBinding represents the host/container port mapping as returned in the +// `docker inspect` json +type PortBinding struct { + HostIP string `json:"HostIp,omitempty" yaml:"HostIp,omitempty" toml:"HostIp,omitempty"` + HostPort string `json:"HostPort,omitempty" yaml:"HostPort,omitempty" toml:"HostPort,omitempty"` +} + +// PortMapping represents a deprecated field in the `docker inspect` output, +// and its value as found in NetworkSettings should always be nil +type PortMapping map[string]string + +// ContainerNetwork represents the networking settings of a container per network. +type ContainerNetwork struct { + Aliases []string `json:"Aliases,omitempty" yaml:"Aliases,omitempty" toml:"Aliases,omitempty"` + MacAddress string `json:"MacAddress,omitempty" yaml:"MacAddress,omitempty" toml:"MacAddress,omitempty"` + GlobalIPv6PrefixLen int `json:"GlobalIPv6PrefixLen,omitempty" yaml:"GlobalIPv6PrefixLen,omitempty" toml:"GlobalIPv6PrefixLen,omitempty"` + GlobalIPv6Address string `json:"GlobalIPv6Address,omitempty" yaml:"GlobalIPv6Address,omitempty" toml:"GlobalIPv6Address,omitempty"` + IPv6Gateway string `json:"IPv6Gateway,omitempty" yaml:"IPv6Gateway,omitempty" toml:"IPv6Gateway,omitempty"` + IPPrefixLen int `json:"IPPrefixLen,omitempty" yaml:"IPPrefixLen,omitempty" toml:"IPPrefixLen,omitempty"` + IPAddress string `json:"IPAddress,omitempty" yaml:"IPAddress,omitempty" toml:"IPAddress,omitempty"` + Gateway string `json:"Gateway,omitempty" yaml:"Gateway,omitempty" toml:"Gateway,omitempty"` + EndpointID string `json:"EndpointID,omitempty" yaml:"EndpointID,omitempty" toml:"EndpointID,omitempty"` + NetworkID string `json:"NetworkID,omitempty" yaml:"NetworkID,omitempty" toml:"NetworkID,omitempty"` +} + +// NetworkSettings contains network-related information about a container +type NetworkSettings struct { + Networks map[string]ContainerNetwork `json:"Networks,omitempty" yaml:"Networks,omitempty" toml:"Networks,omitempty"` + IPAddress string `json:"IPAddress,omitempty" yaml:"IPAddress,omitempty" toml:"IPAddress,omitempty"` + IPPrefixLen int `json:"IPPrefixLen,omitempty" yaml:"IPPrefixLen,omitempty" toml:"IPPrefixLen,omitempty"` + MacAddress string `json:"MacAddress,omitempty" yaml:"MacAddress,omitempty" toml:"MacAddress,omitempty"` + Gateway string `json:"Gateway,omitempty" yaml:"Gateway,omitempty" toml:"Gateway,omitempty"` + Bridge string `json:"Bridge,omitempty" yaml:"Bridge,omitempty" toml:"Bridge,omitempty"` + PortMapping map[string]PortMapping `json:"PortMapping,omitempty" yaml:"PortMapping,omitempty" toml:"PortMapping,omitempty"` + Ports map[Port][]PortBinding `json:"Ports,omitempty" yaml:"Ports,omitempty" toml:"Ports,omitempty"` + NetworkID string `json:"NetworkID,omitempty" yaml:"NetworkID,omitempty" toml:"NetworkID,omitempty"` + EndpointID string `json:"EndpointID,omitempty" yaml:"EndpointID,omitempty" toml:"EndpointID,omitempty"` + SandboxKey string `json:"SandboxKey,omitempty" yaml:"SandboxKey,omitempty" toml:"SandboxKey,omitempty"` + GlobalIPv6Address string `json:"GlobalIPv6Address,omitempty" yaml:"GlobalIPv6Address,omitempty" toml:"GlobalIPv6Address,omitempty"` + GlobalIPv6PrefixLen int `json:"GlobalIPv6PrefixLen,omitempty" yaml:"GlobalIPv6PrefixLen,omitempty" toml:"GlobalIPv6PrefixLen,omitempty"` + IPv6Gateway string `json:"IPv6Gateway,omitempty" yaml:"IPv6Gateway,omitempty" toml:"IPv6Gateway,omitempty"` + LinkLocalIPv6Address string `json:"LinkLocalIPv6Address,omitempty" yaml:"LinkLocalIPv6Address,omitempty" toml:"LinkLocalIPv6Address,omitempty"` + LinkLocalIPv6PrefixLen int `json:"LinkLocalIPv6PrefixLen,omitempty" yaml:"LinkLocalIPv6PrefixLen,omitempty" toml:"LinkLocalIPv6PrefixLen,omitempty"` + SecondaryIPAddresses []string `json:"SecondaryIPAddresses,omitempty" yaml:"SecondaryIPAddresses,omitempty" toml:"SecondaryIPAddresses,omitempty"` + SecondaryIPv6Addresses []string `json:"SecondaryIPv6Addresses,omitempty" yaml:"SecondaryIPv6Addresses,omitempty" toml:"SecondaryIPv6Addresses,omitempty"` +} + +// PortMappingAPI translates the port mappings as contained in NetworkSettings +// into the format in which they would appear when returned by the API +func (settings *NetworkSettings) PortMappingAPI() []APIPort { + var mapping []APIPort + for port, bindings := range settings.Ports { + p, _ := parsePort(port.Port()) + if len(bindings) == 0 { + mapping = append(mapping, APIPort{ + PrivatePort: int64(p), + Type: port.Proto(), + }) + continue + } + for _, binding := range bindings { + p, _ := parsePort(port.Port()) + h, _ := parsePort(binding.HostPort) + mapping = append(mapping, APIPort{ + PrivatePort: int64(p), + PublicPort: int64(h), + Type: port.Proto(), + IP: binding.HostIP, + }) + } + } + return mapping +} + +func parsePort(rawPort string) (int, error) { + port, err := strconv.ParseUint(rawPort, 10, 16) + if err != nil { + return 0, err + } + return int(port), nil +} + +// Config is the list of configuration options used when creating a container. +// Config does not contain the options that are specific to starting a container on a +// given host. Those are contained in HostConfig +type Config struct { + Hostname string `json:"Hostname,omitempty" yaml:"Hostname,omitempty" toml:"Hostname,omitempty"` + Domainname string `json:"Domainname,omitempty" yaml:"Domainname,omitempty" toml:"Domainname,omitempty"` + User string `json:"User,omitempty" yaml:"User,omitempty" toml:"User,omitempty"` + Memory int64 `json:"Memory,omitempty" yaml:"Memory,omitempty" toml:"Memory,omitempty"` + MemorySwap int64 `json:"MemorySwap,omitempty" yaml:"MemorySwap,omitempty" toml:"MemorySwap,omitempty"` + MemoryReservation int64 `json:"MemoryReservation,omitempty" yaml:"MemoryReservation,omitempty" toml:"MemoryReservation,omitempty"` + KernelMemory int64 `json:"KernelMemory,omitempty" yaml:"KernelMemory,omitempty" toml:"KernelMemory,omitempty"` + CPUShares int64 `json:"CpuShares,omitempty" yaml:"CpuShares,omitempty" toml:"CpuShares,omitempty"` + CPUSet string `json:"Cpuset,omitempty" yaml:"Cpuset,omitempty" toml:"Cpuset,omitempty"` + PortSpecs []string `json:"PortSpecs,omitempty" yaml:"PortSpecs,omitempty" toml:"PortSpecs,omitempty"` + ExposedPorts map[Port]struct{} `json:"ExposedPorts,omitempty" yaml:"ExposedPorts,omitempty" toml:"ExposedPorts,omitempty"` + PublishService string `json:"PublishService,omitempty" yaml:"PublishService,omitempty" toml:"PublishService,omitempty"` + StopSignal string `json:"StopSignal,omitempty" yaml:"StopSignal,omitempty" toml:"StopSignal,omitempty"` + StopTimeout int `json:"StopTimeout,omitempty" yaml:"StopTimeout,omitempty" toml:"StopTimeout,omitempty"` + Env []string `json:"Env,omitempty" yaml:"Env,omitempty" toml:"Env,omitempty"` + Cmd []string `json:"Cmd" yaml:"Cmd" toml:"Cmd"` + Shell []string `json:"Shell,omitempty" yaml:"Shell,omitempty" toml:"Shell,omitempty"` + Healthcheck *HealthConfig `json:"Healthcheck,omitempty" yaml:"Healthcheck,omitempty" toml:"Healthcheck,omitempty"` + DNS []string `json:"Dns,omitempty" yaml:"Dns,omitempty" toml:"Dns,omitempty"` // For Docker API v1.9 and below only + Image string `json:"Image,omitempty" yaml:"Image,omitempty" toml:"Image,omitempty"` + Volumes map[string]struct{} `json:"Volumes,omitempty" yaml:"Volumes,omitempty" toml:"Volumes,omitempty"` + VolumeDriver string `json:"VolumeDriver,omitempty" yaml:"VolumeDriver,omitempty" toml:"VolumeDriver,omitempty"` + WorkingDir string `json:"WorkingDir,omitempty" yaml:"WorkingDir,omitempty" toml:"WorkingDir,omitempty"` + MacAddress string `json:"MacAddress,omitempty" yaml:"MacAddress,omitempty" toml:"MacAddress,omitempty"` + Entrypoint []string `json:"Entrypoint" yaml:"Entrypoint" toml:"Entrypoint"` + SecurityOpts []string `json:"SecurityOpts,omitempty" yaml:"SecurityOpts,omitempty" toml:"SecurityOpts,omitempty"` + OnBuild []string `json:"OnBuild,omitempty" yaml:"OnBuild,omitempty" toml:"OnBuild,omitempty"` + Mounts []Mount `json:"Mounts,omitempty" yaml:"Mounts,omitempty" toml:"Mounts,omitempty"` + Labels map[string]string `json:"Labels,omitempty" yaml:"Labels,omitempty" toml:"Labels,omitempty"` + AttachStdin bool `json:"AttachStdin,omitempty" yaml:"AttachStdin,omitempty" toml:"AttachStdin,omitempty"` + AttachStdout bool `json:"AttachStdout,omitempty" yaml:"AttachStdout,omitempty" toml:"AttachStdout,omitempty"` + AttachStderr bool `json:"AttachStderr,omitempty" yaml:"AttachStderr,omitempty" toml:"AttachStderr,omitempty"` + ArgsEscaped bool `json:"ArgsEscaped,omitempty" yaml:"ArgsEscaped,omitempty" toml:"ArgsEscaped,omitempty"` + Tty bool `json:"Tty,omitempty" yaml:"Tty,omitempty" toml:"Tty,omitempty"` + OpenStdin bool `json:"OpenStdin,omitempty" yaml:"OpenStdin,omitempty" toml:"OpenStdin,omitempty"` + StdinOnce bool `json:"StdinOnce,omitempty" yaml:"StdinOnce,omitempty" toml:"StdinOnce,omitempty"` + NetworkDisabled bool `json:"NetworkDisabled,omitempty" yaml:"NetworkDisabled,omitempty" toml:"NetworkDisabled,omitempty"` + + // This is no longer used and has been kept here for backward + // compatibility, please use HostConfig.VolumesFrom. + VolumesFrom string `json:"VolumesFrom,omitempty" yaml:"VolumesFrom,omitempty" toml:"VolumesFrom,omitempty"` +} + +// HostMount represents a mount point in the container in HostConfig. +// +// It has been added in the version 1.25 of the Docker API +type HostMount struct { + Target string `json:"Target,omitempty" yaml:"Target,omitempty" toml:"Target,omitempty"` + Source string `json:"Source,omitempty" yaml:"Source,omitempty" toml:"Source,omitempty"` + Type string `json:"Type,omitempty" yaml:"Type,omitempty" toml:"Type,omitempty"` + ReadOnly bool `json:"ReadOnly,omitempty" yaml:"ReadOnly,omitempty" toml:"ReadOnly,omitempty"` + BindOptions *BindOptions `json:"BindOptions,omitempty" yaml:"BindOptions,omitempty" toml:"BindOptions,omitempty"` + VolumeOptions *VolumeOptions `json:"VolumeOptions,omitempty" yaml:"VolumeOptions,omitempty" toml:"VolumeOptions,omitempty"` + TempfsOptions *TempfsOptions `json:"TempfsOptions,omitempty" yaml:"TempfsOptions,omitempty" toml:"TempfsOptions,omitempty"` +} + +// BindOptions contains optional configuration for the bind type +type BindOptions struct { + Propagation string `json:"Propagation,omitempty" yaml:"Propagation,omitempty" toml:"Propagation,omitempty"` +} + +// VolumeOptions contains optional configuration for the volume type +type VolumeOptions struct { + NoCopy bool `json:"NoCopy,omitempty" yaml:"NoCopy,omitempty" toml:"NoCopy,omitempty"` + Labels map[string]string `json:"Labels,omitempty" yaml:"Labels,omitempty" toml:"Labels,omitempty"` + DriverConfig VolumeDriverConfig `json:"DriverConfig,omitempty" yaml:"DriverConfig,omitempty" toml:"DriverConfig,omitempty"` +} + +// TempfsOptions contains optional configuration for the tempfs type +type TempfsOptions struct { + SizeBytes int64 `json:"SizeBytes,omitempty" yaml:"SizeBytes,omitempty" toml:"SizeBytes,omitempty"` + Mode int `json:"Mode,omitempty" yaml:"Mode,omitempty" toml:"Mode,omitempty"` +} + +// VolumeDriverConfig holds a map of volume driver specific options +type VolumeDriverConfig struct { + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + Options map[string]string `json:"Options,omitempty" yaml:"Options,omitempty" toml:"Options,omitempty"` +} + +// Mount represents a mount point in the container. +// +// It has been added in the version 1.20 of the Docker API, available since +// Docker 1.8. +type Mount struct { + Name string + Source string + Destination string + Driver string + Mode string + RW bool +} + +// LogConfig defines the log driver type and the configuration for it. +type LogConfig struct { + Type string `json:"Type,omitempty" yaml:"Type,omitempty" toml:"Type,omitempty"` + Config map[string]string `json:"Config,omitempty" yaml:"Config,omitempty" toml:"Config,omitempty"` +} + +// ULimit defines system-wide resource limitations This can help a lot in +// system administration, e.g. when a user starts too many processes and +// therefore makes the system unresponsive for other users. +type ULimit struct { + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + Soft int64 `json:"Soft,omitempty" yaml:"Soft,omitempty" toml:"Soft,omitempty"` + Hard int64 `json:"Hard,omitempty" yaml:"Hard,omitempty" toml:"Hard,omitempty"` +} + +// SwarmNode containers information about which Swarm node the container is on. +type SwarmNode struct { + ID string `json:"ID,omitempty" yaml:"ID,omitempty" toml:"ID,omitempty"` + IP string `json:"IP,omitempty" yaml:"IP,omitempty" toml:"IP,omitempty"` + Addr string `json:"Addr,omitempty" yaml:"Addr,omitempty" toml:"Addr,omitempty"` + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + CPUs int64 `json:"CPUs,omitempty" yaml:"CPUs,omitempty" toml:"CPUs,omitempty"` + Memory int64 `json:"Memory,omitempty" yaml:"Memory,omitempty" toml:"Memory,omitempty"` + Labels map[string]string `json:"Labels,omitempty" yaml:"Labels,omitempty" toml:"Labels,omitempty"` +} + +// GraphDriver contains information about the GraphDriver used by the +// container. +type GraphDriver struct { + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + Data map[string]string `json:"Data,omitempty" yaml:"Data,omitempty" toml:"Data,omitempty"` +} + +// HealthConfig holds configuration settings for the HEALTHCHECK feature +// +// It has been added in the version 1.24 of the Docker API, available since +// Docker 1.12. +type HealthConfig struct { + // Test is the test to perform to check that the container is healthy. + // An empty slice means to inherit the default. + // The options are: + // {} : inherit healthcheck + // {"NONE"} : disable healthcheck + // {"CMD", args...} : exec arguments directly + // {"CMD-SHELL", command} : run command with system's default shell + Test []string `json:"Test,omitempty" yaml:"Test,omitempty" toml:"Test,omitempty"` + + // Zero means to inherit. Durations are expressed as integer nanoseconds. + Interval time.Duration `json:"Interval,omitempty" yaml:"Interval,omitempty" toml:"Interval,omitempty"` // Interval is the time to wait between checks. + Timeout time.Duration `json:"Timeout,omitempty" yaml:"Timeout,omitempty" toml:"Timeout,omitempty"` // Timeout is the time to wait before considering the check to have hung. + StartPeriod time.Duration `json:"StartPeriod,omitempty" yaml:"StartPeriod,omitempty" toml:"StartPeriod,omitempty"` // The start period for the container to initialize before the retries starts to count down. + + // Retries is the number of consecutive failures needed to consider a container as unhealthy. + // Zero means inherit. + Retries int `json:"Retries,omitempty" yaml:"Retries,omitempty" toml:"Retries,omitempty"` +} + +// Container is the type encompasing everything about a container - its config, +// hostconfig, etc. +type Container struct { + ID string `json:"Id" yaml:"Id" toml:"Id"` + + Created time.Time `json:"Created,omitempty" yaml:"Created,omitempty" toml:"Created,omitempty"` + + Path string `json:"Path,omitempty" yaml:"Path,omitempty" toml:"Path,omitempty"` + Args []string `json:"Args,omitempty" yaml:"Args,omitempty" toml:"Args,omitempty"` + + Config *Config `json:"Config,omitempty" yaml:"Config,omitempty" toml:"Config,omitempty"` + State State `json:"State,omitempty" yaml:"State,omitempty" toml:"State,omitempty"` + Image string `json:"Image,omitempty" yaml:"Image,omitempty" toml:"Image,omitempty"` + + Node *SwarmNode `json:"Node,omitempty" yaml:"Node,omitempty" toml:"Node,omitempty"` + + NetworkSettings *NetworkSettings `json:"NetworkSettings,omitempty" yaml:"NetworkSettings,omitempty" toml:"NetworkSettings,omitempty"` + + SysInitPath string `json:"SysInitPath,omitempty" yaml:"SysInitPath,omitempty" toml:"SysInitPath,omitempty"` + ResolvConfPath string `json:"ResolvConfPath,omitempty" yaml:"ResolvConfPath,omitempty" toml:"ResolvConfPath,omitempty"` + HostnamePath string `json:"HostnamePath,omitempty" yaml:"HostnamePath,omitempty" toml:"HostnamePath,omitempty"` + HostsPath string `json:"HostsPath,omitempty" yaml:"HostsPath,omitempty" toml:"HostsPath,omitempty"` + LogPath string `json:"LogPath,omitempty" yaml:"LogPath,omitempty" toml:"LogPath,omitempty"` + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + Driver string `json:"Driver,omitempty" yaml:"Driver,omitempty" toml:"Driver,omitempty"` + Mounts []Mount `json:"Mounts,omitempty" yaml:"Mounts,omitempty" toml:"Mounts,omitempty"` + + Volumes map[string]string `json:"Volumes,omitempty" yaml:"Volumes,omitempty" toml:"Volumes,omitempty"` + VolumesRW map[string]bool `json:"VolumesRW,omitempty" yaml:"VolumesRW,omitempty" toml:"VolumesRW,omitempty"` + HostConfig *HostConfig `json:"HostConfig,omitempty" yaml:"HostConfig,omitempty" toml:"HostConfig,omitempty"` + ExecIDs []string `json:"ExecIDs,omitempty" yaml:"ExecIDs,omitempty" toml:"ExecIDs,omitempty"` + GraphDriver *GraphDriver `json:"GraphDriver,omitempty" yaml:"GraphDriver,omitempty" toml:"GraphDriver,omitempty"` + + RestartCount int `json:"RestartCount,omitempty" yaml:"RestartCount,omitempty" toml:"RestartCount,omitempty"` + + AppArmorProfile string `json:"AppArmorProfile,omitempty" yaml:"AppArmorProfile,omitempty" toml:"AppArmorProfile,omitempty"` +} + +// UpdateContainerOptions specify parameters to the UpdateContainer function. +// +// See https://goo.gl/Y6fXUy for more details. +type UpdateContainerOptions struct { + BlkioWeight int `json:"BlkioWeight"` + CPUShares int `json:"CpuShares"` + CPUPeriod int `json:"CpuPeriod"` + CPURealtimePeriod int64 `json:"CpuRealtimePeriod"` + CPURealtimeRuntime int64 `json:"CpuRealtimeRuntime"` + CPUQuota int `json:"CpuQuota"` + CpusetCpus string `json:"CpusetCpus"` + CpusetMems string `json:"CpusetMems"` + Memory int `json:"Memory"` + MemorySwap int `json:"MemorySwap"` + MemoryReservation int `json:"MemoryReservation"` + KernelMemory int `json:"KernelMemory"` + RestartPolicy RestartPolicy `json:"RestartPolicy,omitempty"` + Context context.Context +} + +// UpdateContainer updates the container at ID with the options +// +// See https://goo.gl/Y6fXUy for more details. +func (c *Client) UpdateContainer(id string, opts UpdateContainerOptions) error { + resp, err := c.do("POST", fmt.Sprintf("/containers/"+id+"/update"), doOptions{ + data: opts, + forceJSON: true, + context: opts.Context, + }) + if err != nil { + return err + } + defer resp.Body.Close() + return nil +} + +// RenameContainerOptions specify parameters to the RenameContainer function. +// +// See https://goo.gl/46inai for more details. +type RenameContainerOptions struct { + // ID of container to rename + ID string `qs:"-"` + + // New name + Name string `json:"name,omitempty" yaml:"name,omitempty"` + Context context.Context +} + +// RenameContainer updates and existing containers name +// +// See https://goo.gl/46inai for more details. +func (c *Client) RenameContainer(opts RenameContainerOptions) error { + resp, err := c.do("POST", fmt.Sprintf("/containers/"+opts.ID+"/rename?%s", queryString(opts)), doOptions{ + context: opts.Context, + }) + if err != nil { + return err + } + resp.Body.Close() + return nil +} + +// InspectContainer returns information about a container by its ID. +// +// See https://goo.gl/FaI5JT for more details. +func (c *Client) InspectContainer(id string) (*Container, error) { + return c.inspectContainer(id, doOptions{}) +} + +// InspectContainerWithContext returns information about a container by its ID. +// The context object can be used to cancel the inspect request. +// +// See https://goo.gl/FaI5JT for more details. +func (c *Client) InspectContainerWithContext(id string, ctx context.Context) (*Container, error) { + return c.inspectContainer(id, doOptions{context: ctx}) +} + +func (c *Client) inspectContainer(id string, opts doOptions) (*Container, error) { + path := "/containers/" + id + "/json" + resp, err := c.do("GET", path, opts) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return nil, &NoSuchContainer{ID: id} + } + return nil, err + } + defer resp.Body.Close() + var container Container + if err := json.NewDecoder(resp.Body).Decode(&container); err != nil { + return nil, err + } + return &container, nil +} + +// ContainerChanges returns changes in the filesystem of the given container. +// +// See https://goo.gl/15KKzh for more details. +func (c *Client) ContainerChanges(id string) ([]Change, error) { + path := "/containers/" + id + "/changes" + resp, err := c.do("GET", path, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return nil, &NoSuchContainer{ID: id} + } + return nil, err + } + defer resp.Body.Close() + var changes []Change + if err := json.NewDecoder(resp.Body).Decode(&changes); err != nil { + return nil, err + } + return changes, nil +} + +// CreateContainerOptions specify parameters to the CreateContainer function. +// +// See https://goo.gl/tyzwVM for more details. +type CreateContainerOptions struct { + Name string + Config *Config `qs:"-"` + HostConfig *HostConfig `qs:"-"` + NetworkingConfig *NetworkingConfig `qs:"-"` + Context context.Context +} + +// CreateContainer creates a new container, returning the container instance, +// or an error in case of failure. +// +// The returned container instance contains only the container ID. To get more +// details about the container after creating it, use InspectContainer. +// +// See https://goo.gl/tyzwVM for more details. +func (c *Client) CreateContainer(opts CreateContainerOptions) (*Container, error) { + path := "/containers/create?" + queryString(opts) + resp, err := c.do( + "POST", + path, + doOptions{ + data: struct { + *Config + HostConfig *HostConfig `json:"HostConfig,omitempty" yaml:"HostConfig,omitempty" toml:"HostConfig,omitempty"` + NetworkingConfig *NetworkingConfig `json:"NetworkingConfig,omitempty" yaml:"NetworkingConfig,omitempty" toml:"NetworkingConfig,omitempty"` + }{ + opts.Config, + opts.HostConfig, + opts.NetworkingConfig, + }, + context: opts.Context, + }, + ) + + if e, ok := err.(*Error); ok { + if e.Status == http.StatusNotFound { + return nil, ErrNoSuchImage + } + if e.Status == http.StatusConflict { + return nil, ErrContainerAlreadyExists + } + // Workaround for 17.09 bug returning 400 instead of 409. + // See https://github.com/moby/moby/issues/35021 + if e.Status == http.StatusBadRequest && strings.Contains(e.Message, "Conflict.") { + return nil, ErrContainerAlreadyExists + } + } + + if err != nil { + return nil, err + } + defer resp.Body.Close() + var container Container + if err := json.NewDecoder(resp.Body).Decode(&container); err != nil { + return nil, err + } + + container.Name = opts.Name + + return &container, nil +} + +// KeyValuePair is a type for generic key/value pairs as used in the Lxc +// configuration +type KeyValuePair struct { + Key string `json:"Key,omitempty" yaml:"Key,omitempty" toml:"Key,omitempty"` + Value string `json:"Value,omitempty" yaml:"Value,omitempty" toml:"Value,omitempty"` +} + +// RestartPolicy represents the policy for automatically restarting a container. +// +// Possible values are: +// +// - always: the docker daemon will always restart the container +// - on-failure: the docker daemon will restart the container on failures, at +// most MaximumRetryCount times +// - unless-stopped: the docker daemon will always restart the container except +// when user has manually stopped the container +// - no: the docker daemon will not restart the container automatically +type RestartPolicy struct { + Name string `json:"Name,omitempty" yaml:"Name,omitempty" toml:"Name,omitempty"` + MaximumRetryCount int `json:"MaximumRetryCount,omitempty" yaml:"MaximumRetryCount,omitempty" toml:"MaximumRetryCount,omitempty"` +} + +// AlwaysRestart returns a restart policy that tells the Docker daemon to +// always restart the container. +func AlwaysRestart() RestartPolicy { + return RestartPolicy{Name: "always"} +} + +// RestartOnFailure returns a restart policy that tells the Docker daemon to +// restart the container on failures, trying at most maxRetry times. +func RestartOnFailure(maxRetry int) RestartPolicy { + return RestartPolicy{Name: "on-failure", MaximumRetryCount: maxRetry} +} + +// RestartUnlessStopped returns a restart policy that tells the Docker daemon to +// always restart the container except when user has manually stopped the container. +func RestartUnlessStopped() RestartPolicy { + return RestartPolicy{Name: "unless-stopped"} +} + +// NeverRestart returns a restart policy that tells the Docker daemon to never +// restart the container on failures. +func NeverRestart() RestartPolicy { + return RestartPolicy{Name: "no"} +} + +// Device represents a device mapping between the Docker host and the +// container. +type Device struct { + PathOnHost string `json:"PathOnHost,omitempty" yaml:"PathOnHost,omitempty" toml:"PathOnHost,omitempty"` + PathInContainer string `json:"PathInContainer,omitempty" yaml:"PathInContainer,omitempty" toml:"PathInContainer,omitempty"` + CgroupPermissions string `json:"CgroupPermissions,omitempty" yaml:"CgroupPermissions,omitempty" toml:"CgroupPermissions,omitempty"` +} + +// BlockWeight represents a relative device weight for an individual device inside +// of a container +type BlockWeight struct { + Path string `json:"Path,omitempty"` + Weight string `json:"Weight,omitempty"` +} + +// BlockLimit represents a read/write limit in IOPS or Bandwidth for a device +// inside of a container +type BlockLimit struct { + Path string `json:"Path,omitempty"` + Rate int64 `json:"Rate,omitempty"` +} + +// HostConfig contains the container options related to starting a container on +// a given host +type HostConfig struct { + Binds []string `json:"Binds,omitempty" yaml:"Binds,omitempty" toml:"Binds,omitempty"` + CapAdd []string `json:"CapAdd,omitempty" yaml:"CapAdd,omitempty" toml:"CapAdd,omitempty"` + CapDrop []string `json:"CapDrop,omitempty" yaml:"CapDrop,omitempty" toml:"CapDrop,omitempty"` + GroupAdd []string `json:"GroupAdd,omitempty" yaml:"GroupAdd,omitempty" toml:"GroupAdd,omitempty"` + ContainerIDFile string `json:"ContainerIDFile,omitempty" yaml:"ContainerIDFile,omitempty" toml:"ContainerIDFile,omitempty"` + LxcConf []KeyValuePair `json:"LxcConf,omitempty" yaml:"LxcConf,omitempty" toml:"LxcConf,omitempty"` + PortBindings map[Port][]PortBinding `json:"PortBindings,omitempty" yaml:"PortBindings,omitempty" toml:"PortBindings,omitempty"` + Links []string `json:"Links,omitempty" yaml:"Links,omitempty" toml:"Links,omitempty"` + DNS []string `json:"Dns,omitempty" yaml:"Dns,omitempty" toml:"Dns,omitempty"` // For Docker API v1.10 and above only + DNSOptions []string `json:"DnsOptions,omitempty" yaml:"DnsOptions,omitempty" toml:"DnsOptions,omitempty"` + DNSSearch []string `json:"DnsSearch,omitempty" yaml:"DnsSearch,omitempty" toml:"DnsSearch,omitempty"` + ExtraHosts []string `json:"ExtraHosts,omitempty" yaml:"ExtraHosts,omitempty" toml:"ExtraHosts,omitempty"` + VolumesFrom []string `json:"VolumesFrom,omitempty" yaml:"VolumesFrom,omitempty" toml:"VolumesFrom,omitempty"` + UsernsMode string `json:"UsernsMode,omitempty" yaml:"UsernsMode,omitempty" toml:"UsernsMode,omitempty"` + NetworkMode string `json:"NetworkMode,omitempty" yaml:"NetworkMode,omitempty" toml:"NetworkMode,omitempty"` + IpcMode string `json:"IpcMode,omitempty" yaml:"IpcMode,omitempty" toml:"IpcMode,omitempty"` + PidMode string `json:"PidMode,omitempty" yaml:"PidMode,omitempty" toml:"PidMode,omitempty"` + UTSMode string `json:"UTSMode,omitempty" yaml:"UTSMode,omitempty" toml:"UTSMode,omitempty"` + RestartPolicy RestartPolicy `json:"RestartPolicy,omitempty" yaml:"RestartPolicy,omitempty" toml:"RestartPolicy,omitempty"` + Devices []Device `json:"Devices,omitempty" yaml:"Devices,omitempty" toml:"Devices,omitempty"` + DeviceCgroupRules []string `json:"DeviceCgroupRules,omitempty" yaml:"DeviceCgroupRules,omitempty" toml:"DeviceCgroupRules,omitempty"` + LogConfig LogConfig `json:"LogConfig,omitempty" yaml:"LogConfig,omitempty" toml:"LogConfig,omitempty"` + SecurityOpt []string `json:"SecurityOpt,omitempty" yaml:"SecurityOpt,omitempty" toml:"SecurityOpt,omitempty"` + Cgroup string `json:"Cgroup,omitempty" yaml:"Cgroup,omitempty" toml:"Cgroup,omitempty"` + CgroupParent string `json:"CgroupParent,omitempty" yaml:"CgroupParent,omitempty" toml:"CgroupParent,omitempty"` + Memory int64 `json:"Memory,omitempty" yaml:"Memory,omitempty" toml:"Memory,omitempty"` + MemoryReservation int64 `json:"MemoryReservation,omitempty" yaml:"MemoryReservation,omitempty" toml:"MemoryReservation,omitempty"` + KernelMemory int64 `json:"KernelMemory,omitempty" yaml:"KernelMemory,omitempty" toml:"KernelMemory,omitempty"` + MemorySwap int64 `json:"MemorySwap,omitempty" yaml:"MemorySwap,omitempty" toml:"MemorySwap,omitempty"` + MemorySwappiness int64 `json:"MemorySwappiness,omitempty" yaml:"MemorySwappiness,omitempty" toml:"MemorySwappiness,omitempty"` + CPUShares int64 `json:"CpuShares,omitempty" yaml:"CpuShares,omitempty" toml:"CpuShares,omitempty"` + CPUSet string `json:"Cpuset,omitempty" yaml:"Cpuset,omitempty" toml:"Cpuset,omitempty"` + CPUSetCPUs string `json:"CpusetCpus,omitempty" yaml:"CpusetCpus,omitempty" toml:"CpusetCpus,omitempty"` + CPUSetMEMs string `json:"CpusetMems,omitempty" yaml:"CpusetMems,omitempty" toml:"CpusetMems,omitempty"` + CPUQuota int64 `json:"CpuQuota,omitempty" yaml:"CpuQuota,omitempty" toml:"CpuQuota,omitempty"` + CPUPeriod int64 `json:"CpuPeriod,omitempty" yaml:"CpuPeriod,omitempty" toml:"CpuPeriod,omitempty"` + CPURealtimePeriod int64 `json:"CpuRealtimePeriod,omitempty" yaml:"CpuRealtimePeriod,omitempty" toml:"CpuRealtimePeriod,omitempty"` + CPURealtimeRuntime int64 `json:"CpuRealtimeRuntime,omitempty" yaml:"CpuRealtimeRuntime,omitempty" toml:"CpuRealtimeRuntime,omitempty"` + BlkioWeight int64 `json:"BlkioWeight,omitempty" yaml:"BlkioWeight,omitempty" toml:"BlkioWeight,omitempty"` + BlkioWeightDevice []BlockWeight `json:"BlkioWeightDevice,omitempty" yaml:"BlkioWeightDevice,omitempty" toml:"BlkioWeightDevice,omitempty"` + BlkioDeviceReadBps []BlockLimit `json:"BlkioDeviceReadBps,omitempty" yaml:"BlkioDeviceReadBps,omitempty" toml:"BlkioDeviceReadBps,omitempty"` + BlkioDeviceReadIOps []BlockLimit `json:"BlkioDeviceReadIOps,omitempty" yaml:"BlkioDeviceReadIOps,omitempty" toml:"BlkioDeviceReadIOps,omitempty"` + BlkioDeviceWriteBps []BlockLimit `json:"BlkioDeviceWriteBps,omitempty" yaml:"BlkioDeviceWriteBps,omitempty" toml:"BlkioDeviceWriteBps,omitempty"` + BlkioDeviceWriteIOps []BlockLimit `json:"BlkioDeviceWriteIOps,omitempty" yaml:"BlkioDeviceWriteIOps,omitempty" toml:"BlkioDeviceWriteIOps,omitempty"` + Ulimits []ULimit `json:"Ulimits,omitempty" yaml:"Ulimits,omitempty" toml:"Ulimits,omitempty"` + VolumeDriver string `json:"VolumeDriver,omitempty" yaml:"VolumeDriver,omitempty" toml:"VolumeDriver,omitempty"` + OomScoreAdj int `json:"OomScoreAdj,omitempty" yaml:"OomScoreAdj,omitempty" toml:"OomScoreAdj,omitempty"` + PidsLimit int64 `json:"PidsLimit,omitempty" yaml:"PidsLimit,omitempty" toml:"PidsLimit,omitempty"` + ShmSize int64 `json:"ShmSize,omitempty" yaml:"ShmSize,omitempty" toml:"ShmSize,omitempty"` + Tmpfs map[string]string `json:"Tmpfs,omitempty" yaml:"Tmpfs,omitempty" toml:"Tmpfs,omitempty"` + Privileged bool `json:"Privileged,omitempty" yaml:"Privileged,omitempty" toml:"Privileged,omitempty"` + PublishAllPorts bool `json:"PublishAllPorts,omitempty" yaml:"PublishAllPorts,omitempty" toml:"PublishAllPorts,omitempty"` + ReadonlyRootfs bool `json:"ReadonlyRootfs,omitempty" yaml:"ReadonlyRootfs,omitempty" toml:"ReadonlyRootfs,omitempty"` + OOMKillDisable bool `json:"OomKillDisable,omitempty" yaml:"OomKillDisable,omitempty" toml:"OomKillDisable,omitempty"` + AutoRemove bool `json:"AutoRemove,omitempty" yaml:"AutoRemove,omitempty" toml:"AutoRemove,omitempty"` + StorageOpt map[string]string `json:"StorageOpt,omitempty" yaml:"StorageOpt,omitempty" toml:"StorageOpt,omitempty"` + Sysctls map[string]string `json:"Sysctls,omitempty" yaml:"Sysctls,omitempty" toml:"Sysctls,omitempty"` + CPUCount int64 `json:"CpuCount,omitempty" yaml:"CpuCount,omitempty"` + CPUPercent int64 `json:"CpuPercent,omitempty" yaml:"CpuPercent,omitempty"` + IOMaximumBandwidth int64 `json:"IOMaximumBandwidth,omitempty" yaml:"IOMaximumBandwidth,omitempty"` + IOMaximumIOps int64 `json:"IOMaximumIOps,omitempty" yaml:"IOMaximumIOps,omitempty"` + Mounts []HostMount `json:"Mounts,omitempty" yaml:"Mounts,omitempty" toml:"Mounts,omitempty"` + Init bool `json:",omitempty" yaml:",omitempty"` +} + +// NetworkingConfig represents the container's networking configuration for each of its interfaces +// Carries the networking configs specified in the `docker run` and `docker network connect` commands +type NetworkingConfig struct { + EndpointsConfig map[string]*EndpointConfig `json:"EndpointsConfig" yaml:"EndpointsConfig" toml:"EndpointsConfig"` // Endpoint configs for each connecting network +} + +// StartContainer starts a container, returning an error in case of failure. +// +// Passing the HostConfig to this method has been deprecated in Docker API 1.22 +// (Docker Engine 1.10.x) and totally removed in Docker API 1.24 (Docker Engine +// 1.12.x). The client will ignore the parameter when communicating with Docker +// API 1.24 or greater. +// +// See https://goo.gl/fbOSZy for more details. +func (c *Client) StartContainer(id string, hostConfig *HostConfig) error { + return c.startContainer(id, hostConfig, doOptions{}) +} + +// StartContainerWithContext starts a container, returning an error in case of +// failure. The context can be used to cancel the outstanding start container +// request. +// +// Passing the HostConfig to this method has been deprecated in Docker API 1.22 +// (Docker Engine 1.10.x) and totally removed in Docker API 1.24 (Docker Engine +// 1.12.x). The client will ignore the parameter when communicating with Docker +// API 1.24 or greater. +// +// See https://goo.gl/fbOSZy for more details. +func (c *Client) StartContainerWithContext(id string, hostConfig *HostConfig, ctx context.Context) error { + return c.startContainer(id, hostConfig, doOptions{context: ctx}) +} + +func (c *Client) startContainer(id string, hostConfig *HostConfig, opts doOptions) error { + path := "/containers/" + id + "/start" + if c.serverAPIVersion == nil { + c.checkAPIVersion() + } + if c.serverAPIVersion != nil && c.serverAPIVersion.LessThan(apiVersion124) { + opts.data = hostConfig + opts.forceJSON = true + } + resp, err := c.do("POST", path, opts) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: id, Err: err} + } + return err + } + defer resp.Body.Close() + if resp.StatusCode == http.StatusNotModified { + return &ContainerAlreadyRunning{ID: id} + } + return nil +} + +// StopContainer stops a container, killing it after the given timeout (in +// seconds). +// +// See https://goo.gl/R9dZcV for more details. +func (c *Client) StopContainer(id string, timeout uint) error { + return c.stopContainer(id, timeout, doOptions{}) +} + +// StopContainerWithContext stops a container, killing it after the given +// timeout (in seconds). The context can be used to cancel the stop +// container request. +// +// See https://goo.gl/R9dZcV for more details. +func (c *Client) StopContainerWithContext(id string, timeout uint, ctx context.Context) error { + return c.stopContainer(id, timeout, doOptions{context: ctx}) +} + +func (c *Client) stopContainer(id string, timeout uint, opts doOptions) error { + path := fmt.Sprintf("/containers/%s/stop?t=%d", id, timeout) + resp, err := c.do("POST", path, opts) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: id} + } + return err + } + defer resp.Body.Close() + if resp.StatusCode == http.StatusNotModified { + return &ContainerNotRunning{ID: id} + } + return nil +} + +// RestartContainer stops a container, killing it after the given timeout (in +// seconds), during the stop process. +// +// See https://goo.gl/MrAKQ5 for more details. +func (c *Client) RestartContainer(id string, timeout uint) error { + path := fmt.Sprintf("/containers/%s/restart?t=%d", id, timeout) + resp, err := c.do("POST", path, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: id} + } + return err + } + resp.Body.Close() + return nil +} + +// PauseContainer pauses the given container. +// +// See https://goo.gl/D1Yaii for more details. +func (c *Client) PauseContainer(id string) error { + path := fmt.Sprintf("/containers/%s/pause", id) + resp, err := c.do("POST", path, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: id} + } + return err + } + resp.Body.Close() + return nil +} + +// UnpauseContainer unpauses the given container. +// +// See https://goo.gl/sZ2faO for more details. +func (c *Client) UnpauseContainer(id string) error { + path := fmt.Sprintf("/containers/%s/unpause", id) + resp, err := c.do("POST", path, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: id} + } + return err + } + resp.Body.Close() + return nil +} + +// TopResult represents the list of processes running in a container, as +// returned by /containers/<id>/top. +// +// See https://goo.gl/FLwpPl for more details. +type TopResult struct { + Titles []string + Processes [][]string +} + +// TopContainer returns processes running inside a container +// +// See https://goo.gl/FLwpPl for more details. +func (c *Client) TopContainer(id string, psArgs string) (TopResult, error) { + var args string + var result TopResult + if psArgs != "" { + args = fmt.Sprintf("?ps_args=%s", psArgs) + } + path := fmt.Sprintf("/containers/%s/top%s", id, args) + resp, err := c.do("GET", path, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return result, &NoSuchContainer{ID: id} + } + return result, err + } + defer resp.Body.Close() + err = json.NewDecoder(resp.Body).Decode(&result) + return result, err +} + +// Stats represents container statistics, returned by /containers/<id>/stats. +// +// See https://goo.gl/Dk3Xio for more details. +type Stats struct { + Read time.Time `json:"read,omitempty" yaml:"read,omitempty" toml:"read,omitempty"` + PreRead time.Time `json:"preread,omitempty" yaml:"preread,omitempty" toml:"preread,omitempty"` + NumProcs uint32 `json:"num_procs" yaml:"num_procs" toml:"num_procs"` + PidsStats struct { + Current uint64 `json:"current,omitempty" yaml:"current,omitempty"` + } `json:"pids_stats,omitempty" yaml:"pids_stats,omitempty" toml:"pids_stats,omitempty"` + Network NetworkStats `json:"network,omitempty" yaml:"network,omitempty" toml:"network,omitempty"` + Networks map[string]NetworkStats `json:"networks,omitempty" yaml:"networks,omitempty" toml:"networks,omitempty"` + MemoryStats struct { + Stats struct { + TotalPgmafault uint64 `json:"total_pgmafault,omitempty" yaml:"total_pgmafault,omitempty" toml:"total_pgmafault,omitempty"` + Cache uint64 `json:"cache,omitempty" yaml:"cache,omitempty" toml:"cache,omitempty"` + MappedFile uint64 `json:"mapped_file,omitempty" yaml:"mapped_file,omitempty" toml:"mapped_file,omitempty"` + TotalInactiveFile uint64 `json:"total_inactive_file,omitempty" yaml:"total_inactive_file,omitempty" toml:"total_inactive_file,omitempty"` + Pgpgout uint64 `json:"pgpgout,omitempty" yaml:"pgpgout,omitempty" toml:"pgpgout,omitempty"` + Rss uint64 `json:"rss,omitempty" yaml:"rss,omitempty" toml:"rss,omitempty"` + TotalMappedFile uint64 `json:"total_mapped_file,omitempty" yaml:"total_mapped_file,omitempty" toml:"total_mapped_file,omitempty"` + Writeback uint64 `json:"writeback,omitempty" yaml:"writeback,omitempty" toml:"writeback,omitempty"` + Unevictable uint64 `json:"unevictable,omitempty" yaml:"unevictable,omitempty" toml:"unevictable,omitempty"` + Pgpgin uint64 `json:"pgpgin,omitempty" yaml:"pgpgin,omitempty" toml:"pgpgin,omitempty"` + TotalUnevictable uint64 `json:"total_unevictable,omitempty" yaml:"total_unevictable,omitempty" toml:"total_unevictable,omitempty"` + Pgmajfault uint64 `json:"pgmajfault,omitempty" yaml:"pgmajfault,omitempty" toml:"pgmajfault,omitempty"` + TotalRss uint64 `json:"total_rss,omitempty" yaml:"total_rss,omitempty" toml:"total_rss,omitempty"` + TotalRssHuge uint64 `json:"total_rss_huge,omitempty" yaml:"total_rss_huge,omitempty" toml:"total_rss_huge,omitempty"` + TotalWriteback uint64 `json:"total_writeback,omitempty" yaml:"total_writeback,omitempty" toml:"total_writeback,omitempty"` + TotalInactiveAnon uint64 `json:"total_inactive_anon,omitempty" yaml:"total_inactive_anon,omitempty" toml:"total_inactive_anon,omitempty"` + RssHuge uint64 `json:"rss_huge,omitempty" yaml:"rss_huge,omitempty" toml:"rss_huge,omitempty"` + HierarchicalMemoryLimit uint64 `json:"hierarchical_memory_limit,omitempty" yaml:"hierarchical_memory_limit,omitempty" toml:"hierarchical_memory_limit,omitempty"` + TotalPgfault uint64 `json:"total_pgfault,omitempty" yaml:"total_pgfault,omitempty" toml:"total_pgfault,omitempty"` + TotalActiveFile uint64 `json:"total_active_file,omitempty" yaml:"total_active_file,omitempty" toml:"total_active_file,omitempty"` + ActiveAnon uint64 `json:"active_anon,omitempty" yaml:"active_anon,omitempty" toml:"active_anon,omitempty"` + TotalActiveAnon uint64 `json:"total_active_anon,omitempty" yaml:"total_active_anon,omitempty" toml:"total_active_anon,omitempty"` + TotalPgpgout uint64 `json:"total_pgpgout,omitempty" yaml:"total_pgpgout,omitempty" toml:"total_pgpgout,omitempty"` + TotalCache uint64 `json:"total_cache,omitempty" yaml:"total_cache,omitempty" toml:"total_cache,omitempty"` + InactiveAnon uint64 `json:"inactive_anon,omitempty" yaml:"inactive_anon,omitempty" toml:"inactive_anon,omitempty"` + ActiveFile uint64 `json:"active_file,omitempty" yaml:"active_file,omitempty" toml:"active_file,omitempty"` + Pgfault uint64 `json:"pgfault,omitempty" yaml:"pgfault,omitempty" toml:"pgfault,omitempty"` + InactiveFile uint64 `json:"inactive_file,omitempty" yaml:"inactive_file,omitempty" toml:"inactive_file,omitempty"` + TotalPgpgin uint64 `json:"total_pgpgin,omitempty" yaml:"total_pgpgin,omitempty" toml:"total_pgpgin,omitempty"` + HierarchicalMemswLimit uint64 `json:"hierarchical_memsw_limit,omitempty" yaml:"hierarchical_memsw_limit,omitempty" toml:"hierarchical_memsw_limit,omitempty"` + Swap uint64 `json:"swap,omitempty" yaml:"swap,omitempty" toml:"swap,omitempty"` + } `json:"stats,omitempty" yaml:"stats,omitempty" toml:"stats,omitempty"` + MaxUsage uint64 `json:"max_usage,omitempty" yaml:"max_usage,omitempty" toml:"max_usage,omitempty"` + Usage uint64 `json:"usage,omitempty" yaml:"usage,omitempty" toml:"usage,omitempty"` + Failcnt uint64 `json:"failcnt,omitempty" yaml:"failcnt,omitempty" toml:"failcnt,omitempty"` + Limit uint64 `json:"limit,omitempty" yaml:"limit,omitempty" toml:"limit,omitempty"` + Commit uint64 `json:"commitbytes,omitempty" yaml:"commitbytes,omitempty" toml:"privateworkingset,omitempty"` + CommitPeak uint64 `json:"commitpeakbytes,omitempty" yaml:"commitpeakbytes,omitempty" toml:"commitpeakbytes,omitempty"` + PrivateWorkingSet uint64 `json:"privateworkingset,omitempty" yaml:"privateworkingset,omitempty" toml:"privateworkingset,omitempty"` + } `json:"memory_stats,omitempty" yaml:"memory_stats,omitempty" toml:"memory_stats,omitempty"` + BlkioStats struct { + IOServiceBytesRecursive []BlkioStatsEntry `json:"io_service_bytes_recursive,omitempty" yaml:"io_service_bytes_recursive,omitempty" toml:"io_service_bytes_recursive,omitempty"` + IOServicedRecursive []BlkioStatsEntry `json:"io_serviced_recursive,omitempty" yaml:"io_serviced_recursive,omitempty" toml:"io_serviced_recursive,omitempty"` + IOQueueRecursive []BlkioStatsEntry `json:"io_queue_recursive,omitempty" yaml:"io_queue_recursive,omitempty" toml:"io_queue_recursive,omitempty"` + IOServiceTimeRecursive []BlkioStatsEntry `json:"io_service_time_recursive,omitempty" yaml:"io_service_time_recursive,omitempty" toml:"io_service_time_recursive,omitempty"` + IOWaitTimeRecursive []BlkioStatsEntry `json:"io_wait_time_recursive,omitempty" yaml:"io_wait_time_recursive,omitempty" toml:"io_wait_time_recursive,omitempty"` + IOMergedRecursive []BlkioStatsEntry `json:"io_merged_recursive,omitempty" yaml:"io_merged_recursive,omitempty" toml:"io_merged_recursive,omitempty"` + IOTimeRecursive []BlkioStatsEntry `json:"io_time_recursive,omitempty" yaml:"io_time_recursive,omitempty" toml:"io_time_recursive,omitempty"` + SectorsRecursive []BlkioStatsEntry `json:"sectors_recursive,omitempty" yaml:"sectors_recursive,omitempty" toml:"sectors_recursive,omitempty"` + } `json:"blkio_stats,omitempty" yaml:"blkio_stats,omitempty" toml:"blkio_stats,omitempty"` + CPUStats CPUStats `json:"cpu_stats,omitempty" yaml:"cpu_stats,omitempty" toml:"cpu_stats,omitempty"` + PreCPUStats CPUStats `json:"precpu_stats,omitempty"` + StorageStats struct { + ReadCountNormalized uint64 `json:"read_count_normalized,omitempty" yaml:"read_count_normalized,omitempty" toml:"read_count_normalized,omitempty"` + ReadSizeBytes uint64 `json:"read_size_bytes,omitempty" yaml:"read_size_bytes,omitempty" toml:"read_size_bytes,omitempty"` + WriteCountNormalized uint64 `json:"write_count_normalized,omitempty" yaml:"write_count_normalized,omitempty" toml:"write_count_normalized,omitempty"` + WriteSizeBytes uint64 `json:"write_size_bytes,omitempty" yaml:"write_size_bytes,omitempty" toml:"write_size_bytes,omitempty"` + } `json:"storage_stats,omitempty" yaml:"storage_stats,omitempty" toml:"storage_stats,omitempty"` +} + +// NetworkStats is a stats entry for network stats +type NetworkStats struct { + RxDropped uint64 `json:"rx_dropped,omitempty" yaml:"rx_dropped,omitempty" toml:"rx_dropped,omitempty"` + RxBytes uint64 `json:"rx_bytes,omitempty" yaml:"rx_bytes,omitempty" toml:"rx_bytes,omitempty"` + RxErrors uint64 `json:"rx_errors,omitempty" yaml:"rx_errors,omitempty" toml:"rx_errors,omitempty"` + TxPackets uint64 `json:"tx_packets,omitempty" yaml:"tx_packets,omitempty" toml:"tx_packets,omitempty"` + TxDropped uint64 `json:"tx_dropped,omitempty" yaml:"tx_dropped,omitempty" toml:"tx_dropped,omitempty"` + RxPackets uint64 `json:"rx_packets,omitempty" yaml:"rx_packets,omitempty" toml:"rx_packets,omitempty"` + TxErrors uint64 `json:"tx_errors,omitempty" yaml:"tx_errors,omitempty" toml:"tx_errors,omitempty"` + TxBytes uint64 `json:"tx_bytes,omitempty" yaml:"tx_bytes,omitempty" toml:"tx_bytes,omitempty"` +} + +// CPUStats is a stats entry for cpu stats +type CPUStats struct { + CPUUsage struct { + PercpuUsage []uint64 `json:"percpu_usage,omitempty" yaml:"percpu_usage,omitempty" toml:"percpu_usage,omitempty"` + UsageInUsermode uint64 `json:"usage_in_usermode,omitempty" yaml:"usage_in_usermode,omitempty" toml:"usage_in_usermode,omitempty"` + TotalUsage uint64 `json:"total_usage,omitempty" yaml:"total_usage,omitempty" toml:"total_usage,omitempty"` + UsageInKernelmode uint64 `json:"usage_in_kernelmode,omitempty" yaml:"usage_in_kernelmode,omitempty" toml:"usage_in_kernelmode,omitempty"` + } `json:"cpu_usage,omitempty" yaml:"cpu_usage,omitempty" toml:"cpu_usage,omitempty"` + SystemCPUUsage uint64 `json:"system_cpu_usage,omitempty" yaml:"system_cpu_usage,omitempty" toml:"system_cpu_usage,omitempty"` + OnlineCPUs uint64 `json:"online_cpus,omitempty" yaml:"online_cpus,omitempty" toml:"online_cpus,omitempty"` + ThrottlingData struct { + Periods uint64 `json:"periods,omitempty"` + ThrottledPeriods uint64 `json:"throttled_periods,omitempty"` + ThrottledTime uint64 `json:"throttled_time,omitempty"` + } `json:"throttling_data,omitempty" yaml:"throttling_data,omitempty" toml:"throttling_data,omitempty"` +} + +// BlkioStatsEntry is a stats entry for blkio_stats +type BlkioStatsEntry struct { + Major uint64 `json:"major,omitempty" yaml:"major,omitempty" toml:"major,omitempty"` + Minor uint64 `json:"minor,omitempty" yaml:"minor,omitempty" toml:"minor,omitempty"` + Op string `json:"op,omitempty" yaml:"op,omitempty" toml:"op,omitempty"` + Value uint64 `json:"value,omitempty" yaml:"value,omitempty" toml:"value,omitempty"` +} + +// StatsOptions specify parameters to the Stats function. +// +// See https://goo.gl/Dk3Xio for more details. +type StatsOptions struct { + ID string + Stats chan<- *Stats + Stream bool + // A flag that enables stopping the stats operation + Done <-chan bool + // Initial connection timeout + Timeout time.Duration + // Timeout with no data is received, it's reset every time new data + // arrives + InactivityTimeout time.Duration `qs:"-"` + Context context.Context +} + +// Stats sends container statistics for the given container to the given channel. +// +// This function is blocking, similar to a streaming call for logs, and should be run +// on a separate goroutine from the caller. Note that this function will block until +// the given container is removed, not just exited. When finished, this function +// will close the given channel. Alternatively, function can be stopped by +// signaling on the Done channel. +// +// See https://goo.gl/Dk3Xio for more details. +func (c *Client) Stats(opts StatsOptions) (retErr error) { + errC := make(chan error, 1) + readCloser, writeCloser := io.Pipe() + + defer func() { + close(opts.Stats) + + select { + case err := <-errC: + if err != nil && retErr == nil { + retErr = err + } + default: + // No errors + } + + if err := readCloser.Close(); err != nil && retErr == nil { + retErr = err + } + }() + + reqSent := make(chan struct{}) + go func() { + err := c.stream("GET", fmt.Sprintf("/containers/%s/stats?stream=%v", opts.ID, opts.Stream), streamOptions{ + rawJSONStream: true, + useJSONDecoder: true, + stdout: writeCloser, + timeout: opts.Timeout, + inactivityTimeout: opts.InactivityTimeout, + context: opts.Context, + reqSent: reqSent, + }) + if err != nil { + dockerError, ok := err.(*Error) + if ok { + if dockerError.Status == http.StatusNotFound { + err = &NoSuchContainer{ID: opts.ID} + } + } + } + if closeErr := writeCloser.Close(); closeErr != nil && err == nil { + err = closeErr + } + errC <- err + close(errC) + }() + + quit := make(chan struct{}) + defer close(quit) + go func() { + // block here waiting for the signal to stop function + select { + case <-opts.Done: + readCloser.Close() + case <-quit: + return + } + }() + + decoder := json.NewDecoder(readCloser) + stats := new(Stats) + <-reqSent + for err := decoder.Decode(stats); err != io.EOF; err = decoder.Decode(stats) { + if err != nil { + return err + } + opts.Stats <- stats + stats = new(Stats) + } + return nil +} + +// KillContainerOptions represents the set of options that can be used in a +// call to KillContainer. +// +// See https://goo.gl/JnTxXZ for more details. +type KillContainerOptions struct { + // The ID of the container. + ID string `qs:"-"` + + // The signal to send to the container. When omitted, Docker server + // will assume SIGKILL. + Signal Signal + Context context.Context +} + +// KillContainer sends a signal to a container, returning an error in case of +// failure. +// +// See https://goo.gl/JnTxXZ for more details. +func (c *Client) KillContainer(opts KillContainerOptions) error { + path := "/containers/" + opts.ID + "/kill" + "?" + queryString(opts) + resp, err := c.do("POST", path, doOptions{context: opts.Context}) + if err != nil { + e, ok := err.(*Error) + if !ok { + return err + } + switch e.Status { + case http.StatusNotFound: + return &NoSuchContainer{ID: opts.ID} + case http.StatusConflict: + return &ContainerNotRunning{ID: opts.ID} + default: + return err + } + } + resp.Body.Close() + return nil +} + +// RemoveContainerOptions encapsulates options to remove a container. +// +// See https://goo.gl/hL5IPC for more details. +type RemoveContainerOptions struct { + // The ID of the container. + ID string `qs:"-"` + + // A flag that indicates whether Docker should remove the volumes + // associated to the container. + RemoveVolumes bool `qs:"v"` + + // A flag that indicates whether Docker should remove the container + // even if it is currently running. + Force bool + Context context.Context +} + +// RemoveContainer removes a container, returning an error in case of failure. +// +// See https://goo.gl/hL5IPC for more details. +func (c *Client) RemoveContainer(opts RemoveContainerOptions) error { + path := "/containers/" + opts.ID + "?" + queryString(opts) + resp, err := c.do("DELETE", path, doOptions{context: opts.Context}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: opts.ID} + } + return err + } + resp.Body.Close() + return nil +} + +// UploadToContainerOptions is the set of options that can be used when +// uploading an archive into a container. +// +// See https://goo.gl/g25o7u for more details. +type UploadToContainerOptions struct { + InputStream io.Reader `json:"-" qs:"-"` + Path string `qs:"path"` + NoOverwriteDirNonDir bool `qs:"noOverwriteDirNonDir"` + Context context.Context +} + +// UploadToContainer uploads a tar archive to be extracted to a path in the +// filesystem of the container. +// +// See https://goo.gl/g25o7u for more details. +func (c *Client) UploadToContainer(id string, opts UploadToContainerOptions) error { + url := fmt.Sprintf("/containers/%s/archive?", id) + queryString(opts) + + return c.stream("PUT", url, streamOptions{ + in: opts.InputStream, + context: opts.Context, + }) +} + +// DownloadFromContainerOptions is the set of options that can be used when +// downloading resources from a container. +// +// See https://goo.gl/W49jxK for more details. +type DownloadFromContainerOptions struct { + OutputStream io.Writer `json:"-" qs:"-"` + Path string `qs:"path"` + InactivityTimeout time.Duration `qs:"-"` + Context context.Context +} + +// DownloadFromContainer downloads a tar archive of files or folders in a container. +// +// See https://goo.gl/W49jxK for more details. +func (c *Client) DownloadFromContainer(id string, opts DownloadFromContainerOptions) error { + url := fmt.Sprintf("/containers/%s/archive?", id) + queryString(opts) + + return c.stream("GET", url, streamOptions{ + setRawTerminal: true, + stdout: opts.OutputStream, + inactivityTimeout: opts.InactivityTimeout, + context: opts.Context, + }) +} + +// CopyFromContainerOptions contains the set of options used for copying +// files from a container. +// +// Deprecated: Use DownloadFromContainerOptions and DownloadFromContainer instead. +type CopyFromContainerOptions struct { + OutputStream io.Writer `json:"-"` + Container string `json:"-"` + Resource string + Context context.Context `json:"-"` +} + +// CopyFromContainer copies files from a container. +// +// Deprecated: Use DownloadFromContainer and DownloadFromContainer instead. +func (c *Client) CopyFromContainer(opts CopyFromContainerOptions) error { + if opts.Container == "" { + return &NoSuchContainer{ID: opts.Container} + } + if c.serverAPIVersion == nil { + c.checkAPIVersion() + } + if c.serverAPIVersion != nil && c.serverAPIVersion.GreaterThanOrEqualTo(apiVersion124) { + return errors.New("go-dockerclient: CopyFromContainer is no longer available in Docker >= 1.12, use DownloadFromContainer instead") + } + url := fmt.Sprintf("/containers/%s/copy", opts.Container) + resp, err := c.do("POST", url, doOptions{ + data: opts, + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchContainer{ID: opts.Container} + } + return err + } + defer resp.Body.Close() + _, err = io.Copy(opts.OutputStream, resp.Body) + return err +} + +// WaitContainer blocks until the given container stops, return the exit code +// of the container status. +// +// See https://goo.gl/4AGweZ for more details. +func (c *Client) WaitContainer(id string) (int, error) { + return c.waitContainer(id, doOptions{}) +} + +// WaitContainerWithContext blocks until the given container stops, return the exit code +// of the container status. The context object can be used to cancel the +// inspect request. +// +// See https://goo.gl/4AGweZ for more details. +func (c *Client) WaitContainerWithContext(id string, ctx context.Context) (int, error) { + return c.waitContainer(id, doOptions{context: ctx}) +} + +func (c *Client) waitContainer(id string, opts doOptions) (int, error) { + resp, err := c.do("POST", "/containers/"+id+"/wait", opts) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return 0, &NoSuchContainer{ID: id} + } + return 0, err + } + defer resp.Body.Close() + var r struct{ StatusCode int } + if err := json.NewDecoder(resp.Body).Decode(&r); err != nil { + return 0, err + } + return r.StatusCode, nil +} + +// CommitContainerOptions aggregates parameters to the CommitContainer method. +// +// See https://goo.gl/CzIguf for more details. +type CommitContainerOptions struct { + Container string + Repository string `qs:"repo"` + Tag string + Message string `qs:"comment"` + Author string + Changes []string `qs:"changes"` + Run *Config `qs:"-"` + Context context.Context +} + +// CommitContainer creates a new image from a container's changes. +// +// See https://goo.gl/CzIguf for more details. +func (c *Client) CommitContainer(opts CommitContainerOptions) (*Image, error) { + path := "/commit?" + queryString(opts) + resp, err := c.do("POST", path, doOptions{ + data: opts.Run, + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return nil, &NoSuchContainer{ID: opts.Container} + } + return nil, err + } + defer resp.Body.Close() + var image Image + if err := json.NewDecoder(resp.Body).Decode(&image); err != nil { + return nil, err + } + return &image, nil +} + +// AttachToContainerOptions is the set of options that can be used when +// attaching to a container. +// +// See https://goo.gl/JF10Zk for more details. +type AttachToContainerOptions struct { + Container string `qs:"-"` + InputStream io.Reader `qs:"-"` + OutputStream io.Writer `qs:"-"` + ErrorStream io.Writer `qs:"-"` + + // If set, after a successful connect, a sentinel will be sent and then the + // client will block on receive before continuing. + // + // It must be an unbuffered channel. Using a buffered channel can lead + // to unexpected behavior. + Success chan struct{} + + // Use raw terminal? Usually true when the container contains a TTY. + RawTerminal bool `qs:"-"` + + // Get container logs, sending it to OutputStream. + Logs bool + + // Stream the response? + Stream bool + + // Attach to stdin, and use InputStream. + Stdin bool + + // Attach to stdout, and use OutputStream. + Stdout bool + + // Attach to stderr, and use ErrorStream. + Stderr bool +} + +// AttachToContainer attaches to a container, using the given options. +// +// See https://goo.gl/JF10Zk for more details. +func (c *Client) AttachToContainer(opts AttachToContainerOptions) error { + cw, err := c.AttachToContainerNonBlocking(opts) + if err != nil { + return err + } + return cw.Wait() +} + +// AttachToContainerNonBlocking attaches to a container, using the given options. +// This function does not block. +// +// See https://goo.gl/NKpkFk for more details. +func (c *Client) AttachToContainerNonBlocking(opts AttachToContainerOptions) (CloseWaiter, error) { + if opts.Container == "" { + return nil, &NoSuchContainer{ID: opts.Container} + } + path := "/containers/" + opts.Container + "/attach?" + queryString(opts) + return c.hijack("POST", path, hijackOptions{ + success: opts.Success, + setRawTerminal: opts.RawTerminal, + in: opts.InputStream, + stdout: opts.OutputStream, + stderr: opts.ErrorStream, + }) +} + +// LogsOptions represents the set of options used when getting logs from a +// container. +// +// See https://goo.gl/krK0ZH for more details. +type LogsOptions struct { + Context context.Context + Container string `qs:"-"` + OutputStream io.Writer `qs:"-"` + ErrorStream io.Writer `qs:"-"` + InactivityTimeout time.Duration `qs:"-"` + Tail string + + Since int64 + Follow bool + Stdout bool + Stderr bool + Timestamps bool + + // Use raw terminal? Usually true when the container contains a TTY. + RawTerminal bool `qs:"-"` +} + +// Logs gets stdout and stderr logs from the specified container. +// +// When LogsOptions.RawTerminal is set to false, go-dockerclient will multiplex +// the streams and send the containers stdout to LogsOptions.OutputStream, and +// stderr to LogsOptions.ErrorStream. +// +// When LogsOptions.RawTerminal is true, callers will get the raw stream on +// LogsOptions.OutputStream. The caller can use libraries such as dlog +// (github.com/ahmetalpbalkan/dlog). +// +// See https://goo.gl/krK0ZH for more details. +func (c *Client) Logs(opts LogsOptions) error { + if opts.Container == "" { + return &NoSuchContainer{ID: opts.Container} + } + if opts.Tail == "" { + opts.Tail = "all" + } + path := "/containers/" + opts.Container + "/logs?" + queryString(opts) + return c.stream("GET", path, streamOptions{ + setRawTerminal: opts.RawTerminal, + stdout: opts.OutputStream, + stderr: opts.ErrorStream, + inactivityTimeout: opts.InactivityTimeout, + context: opts.Context, + }) +} + +// ResizeContainerTTY resizes the terminal to the given height and width. +// +// See https://goo.gl/FImjeq for more details. +func (c *Client) ResizeContainerTTY(id string, height, width int) error { + params := make(url.Values) + params.Set("h", strconv.Itoa(height)) + params.Set("w", strconv.Itoa(width)) + resp, err := c.do("POST", "/containers/"+id+"/resize?"+params.Encode(), doOptions{}) + if err != nil { + return err + } + resp.Body.Close() + return nil +} + +// ExportContainerOptions is the set of parameters to the ExportContainer +// method. +// +// See https://goo.gl/yGJCIh for more details. +type ExportContainerOptions struct { + ID string + OutputStream io.Writer + InactivityTimeout time.Duration `qs:"-"` + Context context.Context +} + +// ExportContainer export the contents of container id as tar archive +// and prints the exported contents to stdout. +// +// See https://goo.gl/yGJCIh for more details. +func (c *Client) ExportContainer(opts ExportContainerOptions) error { + if opts.ID == "" { + return &NoSuchContainer{ID: opts.ID} + } + url := fmt.Sprintf("/containers/%s/export", opts.ID) + return c.stream("GET", url, streamOptions{ + setRawTerminal: true, + stdout: opts.OutputStream, + inactivityTimeout: opts.InactivityTimeout, + context: opts.Context, + }) +} + +// PruneContainersOptions specify parameters to the PruneContainers function. +// +// See https://goo.gl/wnkgDT for more details. +type PruneContainersOptions struct { + Filters map[string][]string + Context context.Context +} + +// PruneContainersResults specify results from the PruneContainers function. +// +// See https://goo.gl/wnkgDT for more details. +type PruneContainersResults struct { + ContainersDeleted []string + SpaceReclaimed int64 +} + +// PruneContainers deletes containers which are stopped. +// +// See https://goo.gl/wnkgDT for more details. +func (c *Client) PruneContainers(opts PruneContainersOptions) (*PruneContainersResults, error) { + path := "/containers/prune?" + queryString(opts) + resp, err := c.do("POST", path, doOptions{context: opts.Context}) + if err != nil { + return nil, err + } + defer resp.Body.Close() + var results PruneContainersResults + if err := json.NewDecoder(resp.Body).Decode(&results); err != nil { + return nil, err + } + return &results, nil +} + +// NoSuchContainer is the error returned when a given container does not exist. +type NoSuchContainer struct { + ID string + Err error +} + +func (err *NoSuchContainer) Error() string { + if err.Err != nil { + return err.Err.Error() + } + return "No such container: " + err.ID +} + +// ContainerAlreadyRunning is the error returned when a given container is +// already running. +type ContainerAlreadyRunning struct { + ID string +} + +func (err *ContainerAlreadyRunning) Error() string { + return "Container already running: " + err.ID +} + +// ContainerNotRunning is the error returned when a given container is not +// running. +type ContainerNotRunning struct { + ID string +} + +func (err *ContainerNotRunning) Error() string { + return "Container not running: " + err.ID +} |