75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
package containerd
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import (
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"context"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/typeurl"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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)
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// SpecOpts sets spec specific information to a newly generated OCI spec
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type SpecOpts func(context.Context, *Client, *containers.Container, *specs.Spec) error
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// WithProcessArgs replaces the args on the generated spec
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func WithProcessArgs(args ...string) SpecOpts {
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return func(_ context.Context, _ *Client, _ *containers.Container, s *specs.Spec) error {
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s.Process.Args = args
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return nil
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}
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}
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// WithProcessCwd replaces the current working directory on the generated spec
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func WithProcessCwd(cwd string) SpecOpts {
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return func(_ context.Context, _ *Client, _ *containers.Container, s *specs.Spec) error {
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s.Process.Cwd = cwd
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return nil
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}
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}
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// WithHostname sets the container's hostname
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func WithHostname(name string) SpecOpts {
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return func(_ context.Context, _ *Client, _ *containers.Container, s *specs.Spec) error {
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s.Hostname = name
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return nil
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}
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}
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// WithNewSpec generates a new spec for a new container
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func WithNewSpec(opts ...SpecOpts) NewContainerOpts {
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return func(ctx context.Context, client *Client, c *containers.Container) error {
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s, err := createDefaultSpec()
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if err != nil {
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return err
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}
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for _, o := range opts {
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if err := o(ctx, client, c, s); err != nil {
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return err
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}
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}
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any, err := typeurl.MarshalAny(s)
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if err != nil {
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return err
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}
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c.Spec = any
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return nil
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}
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}
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// WithSpec sets the provided spec on the container
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func WithSpec(s *specs.Spec, opts ...SpecOpts) NewContainerOpts {
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return func(ctx context.Context, client *Client, c *containers.Container) error {
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for _, o := range opts {
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if err := o(ctx, client, c, s); err != nil {
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return err
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}
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}
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any, err := typeurl.MarshalAny(s)
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if err != nil {
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return err
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}
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c.Spec = any
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return nil
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}
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}
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