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// +build remoteclient
package adapter
import (
"context"
"encoding/json"
"errors"
"strconv"
"syscall"
"time"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/sirupsen/logrus"
iopodman "github.com/containers/libpod/cmd/podman/varlink"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/inspect"
)
// Inspect returns an inspect struct from varlink
func (c *Container) Inspect(size bool) (*inspect.ContainerInspectData, error) {
reply, err := iopodman.ContainerInspectData().Call(c.Runtime.Conn, c.ID())
if err != nil {
return nil, err
}
data := inspect.ContainerInspectData{}
if err := json.Unmarshal([]byte(reply), &data); err != nil {
return nil, err
}
return &data, err
}
// ID returns the ID of the container
func (c *Container) ID() string {
return c.config.ID
}
// Config returns a container config
func (r *LocalRuntime) Config(name string) *libpod.ContainerConfig {
// TODO the Spec being returned is not populated. Matt and I could not figure out why. Will defer
// further looking into it for after devconf.
// The libpod function for this has no errors so we are kind of in a tough
// spot here. Logging the errors for now.
reply, err := iopodman.ContainerConfig().Call(r.Conn, name)
if err != nil {
logrus.Error("call to container.config failed")
}
data := libpod.ContainerConfig{}
if err := json.Unmarshal([]byte(reply), &data); err != nil {
logrus.Error("failed to unmarshal container inspect data")
}
return &data
}
// ContainerState returns the "state" of the container.
func (r *LocalRuntime) ContainerState(name string) (*libpod.ContainerState, error) { // no-lint
reply, err := iopodman.ContainerStateData().Call(r.Conn, name)
if err != nil {
return nil, err
}
data := libpod.ContainerState{}
if err := json.Unmarshal([]byte(reply), &data); err != nil {
return nil, err
}
return &data, err
}
// LookupContainer gets basic information about container over a varlink
// connection and then translates it to a *Container
func (r *LocalRuntime) LookupContainer(idOrName string) (*Container, error) {
state, err := r.ContainerState(idOrName)
if err != nil {
return nil, err
}
config := r.Config(idOrName)
if err != nil {
return nil, err
}
return &Container{
remoteContainer{
r,
config,
state,
},
}, nil
}
func (r *LocalRuntime) GetLatestContainer() (*Container, error) {
reply, err := iopodman.GetContainersByContext().Call(r.Conn, false, true, nil)
if err != nil {
return nil, err
}
if len(reply) > 0 {
return r.LookupContainer(reply[0])
}
return nil, errors.New("no containers exist")
}
// GetArtifact returns a container's artifacts
func (c *Container) GetArtifact(name string) ([]byte, error) {
var data []byte
reply, err := iopodman.ContainerArtifacts().Call(c.Runtime.Conn, c.ID(), name)
if err != nil {
return nil, err
}
if err := json.Unmarshal([]byte(reply), &data); err != nil {
return nil, err
}
return data, err
}
// Config returns a container's Config ... same as ctr.Config()
func (c *Container) Config() *libpod.ContainerConfig {
if c.config != nil {
return c.config
}
return c.Runtime.Config(c.ID())
}
// Name returns the name of the container
func (c *Container) Name() string {
return c.config.Name
}
// StopContainers stops requested containers using CLI inputs.
// Returns the list of stopped container ids, map of failed to stop container ids + errors, or any non-container error
func (r *LocalRuntime) StopContainers(ctx context.Context, cli *cliconfig.StopValues) ([]string, map[string]error, error) {
var (
ok = []string{}
failures = map[string]error{}
)
ids, err := iopodman.GetContainersByContext().Call(r.Conn, cli.All, cli.Latest, cli.InputArgs)
if err != nil {
return ok, failures, err
}
for _, id := range ids {
stopped, err := iopodman.StopContainer().Call(r.Conn, id, int64(cli.Timeout))
if err != nil {
failures[id] = err
} else {
ok = append(ok, stopped)
}
}
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{}
)
ids, err := iopodman.GetContainersByContext().Call(r.Conn, cli.All, cli.Latest, cli.InputArgs)
if err != nil {
return ok, failures, err
}
for _, id := range ids {
killed, err := iopodman.KillContainer().Call(r.Conn, id, int64(signal))
if err != nil {
failures[id] = err
} else {
ok = append(ok, killed)
}
}
return ok, failures, nil
}
// WaitOnContainers waits for all given container(s) to stop.
// interval is currently ignored.
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{}
)
ids, err := iopodman.GetContainersByContext().Call(r.Conn, false, cli.Latest, cli.InputArgs)
if err != nil {
return ok, failures, err
}
for _, id := range ids {
stopped, err := iopodman.WaitContainer().Call(r.Conn, id, int64(interval))
if err != nil {
failures[id] = err
} else {
ok = append(ok, strconv.FormatInt(stopped, 10))
}
}
return ok, failures, nil
}
// BatchContainerOp is wrapper func to mimic shared's function with a similar name meant for libpod
func BatchContainerOp(ctr *Container, opts shared.PsOptions) (shared.BatchContainerStruct, error) {
// TODO If pod ps ever shows container's sizes, re-enable this code; otherwise it isn't needed
// and would be a perf hit
// data, err := ctr.Inspect(true)
// if err != nil {
// return shared.BatchContainerStruct{}, err
// }
//
// size := new(shared.ContainerSize)
// size.RootFsSize = data.SizeRootFs
// size.RwSize = data.SizeRw
bcs := shared.BatchContainerStruct{
ConConfig: ctr.config,
ConState: ctr.state.State,
ExitCode: ctr.state.ExitCode,
Pid: ctr.state.PID,
StartedTime: ctr.state.StartedTime,
ExitedTime: ctr.state.FinishedTime,
// Size: size,
}
return bcs, nil
}
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