mirror of https://github.com/docker/cli.git
86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
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package containerizedengine
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import (
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"context"
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"errors"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/containerd/content"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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)
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const (
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containerdSockPath = "/run/containerd/containerd.sock"
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engineContainerName = "dockerd"
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engineNamespace = "docker"
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// Used to signal the containerd-proxy if it should manage
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proxyLabel = "com.docker/containerd-proxy.scope"
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)
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var (
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// ErrEngineAlreadyPresent returned when engine already present and should not be
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ErrEngineAlreadyPresent = errors.New("engine already present, use the update command to change versions")
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// ErrEngineNotPresent returned when the engine is not present and should be
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ErrEngineNotPresent = errors.New("engine not present")
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// ErrMalformedConfigFileParam returned if the engine config file parameter is malformed
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ErrMalformedConfigFileParam = errors.New("malformed --config-file param on engine")
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// ErrEngineConfigLookupFailure returned if unable to lookup existing engine configuration
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ErrEngineConfigLookupFailure = errors.New("unable to lookup existing engine configuration")
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// ErrEngineShutdownTimeout returned if the engine failed to shutdown in time
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ErrEngineShutdownTimeout = errors.New("timeout waiting for engine to exit")
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// ErrEngineImageMissingTag returned if the engine image is missing the version tag
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ErrEngineImageMissingTag = errors.New("malformed engine image missing tag")
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engineSpec = specs.Spec{
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Root: &specs.Root{
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Path: "rootfs",
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},
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Process: &specs.Process{
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Cwd: "/",
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Args: []string{
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// In general, configuration should be driven by the config file, not these flags
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// TODO - consider moving more of these to the config file, and make sure the defaults are set if not present.
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"/sbin/dockerd",
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"-s",
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"overlay2",
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"--containerd",
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"/run/containerd/containerd.sock",
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"--default-runtime",
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"containerd",
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"--add-runtime",
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"containerd=runc",
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},
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User: specs.User{
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UID: 0,
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GID: 0,
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},
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Env: []string{
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"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin",
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},
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NoNewPrivileges: false,
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},
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}
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)
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type baseClient struct {
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cclient containerdClient
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}
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// containerdClient abstracts the containerd client to aid in testability
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type containerdClient interface {
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Containers(ctx context.Context, filters ...string) ([]containerd.Container, error)
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NewContainer(ctx context.Context, id string, opts ...containerd.NewContainerOpts) (containerd.Container, error)
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Pull(ctx context.Context, ref string, opts ...containerd.RemoteOpt) (containerd.Image, error)
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GetImage(ctx context.Context, ref string) (containerd.Image, error)
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Close() error
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ContentStore() content.Store
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ContainerService() containers.Store
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}
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