diff options
Diffstat (limited to 'pkg/adapter/containers.go')
-rw-r--r-- | pkg/adapter/containers.go | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/pkg/adapter/containers.go b/pkg/adapter/containers.go new file mode 100644 index 000000000..932d209cd --- /dev/null +++ b/pkg/adapter/containers.go @@ -0,0 +1,156 @@ +// +build !remoteclient + +package adapter + +import ( + "context" + "fmt" + "strconv" + "sync" + "syscall" + "time" + + "github.com/containers/libpod/cmd/podman/cliconfig" + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/pkg/adapter/shortcuts" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" +) + +// GetLatestContainer gets the latest Container and wraps it in an adapter Container +func (r *LocalRuntime) GetLatestContainer() (*Container, error) { + Container := Container{} + c, err := r.Runtime.GetLatestContainer() + Container.Container = c + return &Container, err +} + +// GetAllContainers gets all Containers and wraps each one in an adapter Container +func (r *LocalRuntime) GetAllContainers() ([]*Container, error) { + var containers []*Container + allContainers, err := r.Runtime.GetAllContainers() + if err != nil { + return nil, err + } + + for _, c := range allContainers { + containers = append(containers, &Container{c}) + } + return containers, nil +} + +// LookupContainer gets a Container by name or id and wraps it in an adapter Container +func (r *LocalRuntime) LookupContainer(idOrName string) (*Container, error) { + ctr, err := r.Runtime.LookupContainer(idOrName) + if err != nil { + return nil, err + } + return &Container{ctr}, nil +} + +// StopContainers stops container(s) based on CLI inputs. +// Returns list of successful id(s), map of failed id(s) + error, or error not from container +func (r *LocalRuntime) StopContainers(ctx context.Context, cli *cliconfig.StopValues) ([]string, map[string]error, error) { + var timeout *uint + if cli.Flags().Changed("timeout") || cli.Flags().Changed("time") { + t := uint(cli.Timeout) + timeout = &t + } + + var ( + ok = []string{} + failures = map[string]error{} + ) + + ctrs, err := shortcuts.GetContainersByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime) + if err != nil { + return ok, failures, err + } + + for _, c := range ctrs { + if timeout == nil { + t := c.StopTimeout() + timeout = &t + logrus.Debugf("Set timeout to container %s default (%d)", c.ID(), *timeout) + } + if err := c.StopWithTimeout(*timeout); err == nil { + ok = append(ok, c.ID()) + } else if errors.Cause(err) == libpod.ErrCtrStopped { + ok = append(ok, c.ID()) + logrus.Debugf("Container %s is already stopped", c.ID()) + } else { + failures[c.ID()] = err + } + } + return ok, failures, nil +} + +// KillContainers sends signal to container(s) based on CLI inputs. +// Returns list of successful id(s), map of failed id(s) + error, or error not from container +func (r *LocalRuntime) KillContainers(ctx context.Context, cli *cliconfig.KillValues, signal syscall.Signal) ([]string, map[string]error, error) { + var ( + ok = []string{} + failures = map[string]error{} + ) + + ctrs, err := shortcuts.GetContainersByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime) + if err != nil { + return ok, failures, err + } + + for _, c := range ctrs { + if err := c.Kill(uint(signal)); err == nil { + ok = append(ok, c.ID()) + } else { + failures[c.ID()] = err + } + } + return ok, failures, nil +} + +// WaitOnContainers waits for all given container(s) to stop +func (r *LocalRuntime) WaitOnContainers(ctx context.Context, cli *cliconfig.WaitValues, interval time.Duration) ([]string, map[string]error, error) { + var ( + ok = []string{} + failures = map[string]error{} + ) + + ctrs, err := shortcuts.GetContainersByContext(false, cli.Latest, cli.InputArgs, r.Runtime) + if err != nil { + return ok, failures, err + } + + for _, c := range ctrs { + if returnCode, err := c.WaitWithInterval(interval); err == nil { + ok = append(ok, strconv.Itoa(int(returnCode))) + } else { + failures[c.ID()] = err + } + } + return ok, failures, err +} + +// Log logs one or more containers +func (r *LocalRuntime) Log(c *cliconfig.LogsValues, options *libpod.LogOptions) error { + var wg sync.WaitGroup + options.WaitGroup = &wg + if len(c.InputArgs) > 1 { + options.Multi = true + } + logChannel := make(chan *libpod.LogLine, int(c.Tail)*len(c.InputArgs)+1) + containers, err := shortcuts.GetContainersByContext(false, c.Latest, c.InputArgs, r.Runtime) + if err != nil { + return err + } + if err := r.Runtime.Log(containers, options, logChannel); err != nil { + return err + } + go func() { + wg.Wait() + close(logChannel) + }() + for line := range logChannel { + fmt.Println(line.String(options)) + } + return nil +} |