diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/domain/entities/engine_container.go | 1 | ||||
-rw-r--r-- | pkg/domain/entities/pods.go | 14 | ||||
-rw-r--r-- | pkg/domain/infra/abi/containers.go | 9 | ||||
-rw-r--r-- | pkg/domain/infra/abi/pods.go | 85 | ||||
-rw-r--r-- | pkg/domain/infra/tunnel/pods.go | 4 | ||||
-rw-r--r-- | pkg/specgen/generate/container.go | 2 | ||||
-rw-r--r-- | pkg/specgen/generate/pod_create.go | 90 | ||||
-rw-r--r-- | pkg/specgenutil/specgen.go | 2 |
8 files changed, 203 insertions, 4 deletions
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go index 6b70a3452..df42876f6 100644 --- a/pkg/domain/entities/engine_container.go +++ b/pkg/domain/entities/engine_container.go @@ -71,6 +71,7 @@ type ContainerEngine interface { PlayKube(ctx context.Context, body io.Reader, opts PlayKubeOptions) (*PlayKubeReport, error) PlayKubeDown(ctx context.Context, body io.Reader, opts PlayKubeDownOptions) (*PlayKubeReport, error) PodCreate(ctx context.Context, specg PodSpec) (*PodCreateReport, error) + PodClone(ctx context.Context, podClone PodCloneOptions) (*PodCloneReport, error) PodExists(ctx context.Context, nameOrID string) (*BoolReport, error) PodInspect(ctx context.Context, options PodInspectOptions) (*PodInspectReport, error) PodKill(ctx context.Context, namesOrIds []string, options PodKillOptions) ([]*PodKillReport, error) diff --git a/pkg/domain/entities/pods.go b/pkg/domain/entities/pods.go index 3318fe7e1..19dc2fc4f 100644 --- a/pkg/domain/entities/pods.go +++ b/pkg/domain/entities/pods.go @@ -154,6 +154,16 @@ type PodLogsOptions struct { Color bool } +// PodCloneOptions contains options for cloning an existing pod +type PodCloneOptions struct { + ID string + Destroy bool + CreateOpts PodCreateOptions + InfraOptions ContainerCreateOptions + PerContainerOptions ContainerCreateOptions + Start bool +} + type ContainerCreateOptions struct { Annotation []string Attach []string @@ -290,6 +300,10 @@ type PodCreateReport struct { Id string //nolint:revive,stylecheck } +type PodCloneReport struct { + Id string //nolint +} + func (p *PodCreateOptions) CPULimits() *specs.LinuxCPU { cpu := &specs.LinuxCPU{} hasLimits := false diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go index 8bd84a310..c7cd0cb56 100644 --- a/pkg/domain/infra/abi/containers.go +++ b/pkg/domain/infra/abi/containers.go @@ -1593,6 +1593,11 @@ func (ic *ContainerEngine) ContainerClone(ctx context.Context, ctrCloneOpts enti return nil, err } + conf := c.Config() + if conf.Spec != nil && conf.Spec.Process != nil && conf.Spec.Process.Terminal { // if we do not pass term, running ctrs exit + spec.Terminal = true + } + // Print warnings if len(out) > 0 { for _, w := range out { @@ -1612,8 +1617,8 @@ func (ic *ContainerEngine) ContainerClone(ctx context.Context, ctrCloneOpts enti switch { case strings.Contains(n, "-clone"): ind := strings.Index(n, "-clone") + 6 - num, _ := strconv.Atoi(n[ind:]) - if num == 0 { // clone1 is hard to get with this logic, just check for it here. + num, err := strconv.Atoi(n[ind:]) + if num == 0 && err != nil { // clone1 is hard to get with this logic, just check for it here. _, err = ic.Libpod.LookupContainer(n + "1") if err != nil { spec.Name = n + "1" diff --git a/pkg/domain/infra/abi/pods.go b/pkg/domain/infra/abi/pods.go index 32deb20e0..8638f4783 100644 --- a/pkg/domain/infra/abi/pods.go +++ b/pkg/domain/infra/abi/pods.go @@ -2,12 +2,15 @@ package abi import ( "context" + "strconv" + "strings" "github.com/containers/podman/v4/libpod" "github.com/containers/podman/v4/libpod/define" "github.com/containers/podman/v4/pkg/domain/entities" dfilters "github.com/containers/podman/v4/pkg/domain/filters" "github.com/containers/podman/v4/pkg/signal" + "github.com/containers/podman/v4/pkg/specgen" "github.com/containers/podman/v4/pkg/specgen/generate" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -295,6 +298,88 @@ func (ic *ContainerEngine) PodCreate(ctx context.Context, specg entities.PodSpec return &entities.PodCreateReport{Id: pod.ID()}, nil } +func (ic *ContainerEngine) PodClone(ctx context.Context, podClone entities.PodCloneOptions) (*entities.PodCloneReport, error) { + spec := specgen.NewPodSpecGenerator() + p, err := generate.PodConfigToSpec(ic.Libpod, spec, &podClone.InfraOptions, podClone.ID) + if err != nil { + return nil, err + } + + if len(podClone.CreateOpts.Name) > 0 { + spec.Name = podClone.CreateOpts.Name + } else { + n := p.Name() + _, err := ic.Libpod.LookupPod(n + "-clone") + if err == nil { + n += "-clone" + } + switch { + case strings.Contains(n, "-clone"): // meaning this name is taken! + ind := strings.Index(n, "-clone") + 6 + num, err := strconv.Atoi(n[ind:]) + if num == 0 && err != nil { // meaning invalid + _, err = ic.Libpod.LookupPod(n + "1") + if err != nil { + spec.Name = n + "1" + break + } + } else { // else we already have a number + n = n[0:ind] + } + err = nil + count := num + for err == nil { // until we cannot find a pod w/ this name, increment num and try again + count++ + tempN := n + strconv.Itoa(count) + _, err = ic.Libpod.LookupPod(tempN) + } + n += strconv.Itoa(count) + spec.Name = n + default: + spec.Name = p.Name() + "-clone" + } + } + + podSpec := entities.PodSpec{PodSpecGen: *spec} + pod, err := generate.MakePod(&podSpec, ic.Libpod) + if err != nil { + return nil, err + } + + ctrs, err := p.AllContainers() + if err != nil { + return nil, err + } + for _, ctr := range ctrs { + if ctr.IsInfra() { + continue // already copied infra + } + + podClone.PerContainerOptions.Pod = pod.ID() + _, err := ic.ContainerClone(ctx, entities.ContainerCloneOptions{ID: ctr.ID(), CreateOpts: podClone.PerContainerOptions}) + if err != nil { + return nil, err + } + } + + if podClone.Destroy { + var timeout *uint + err = ic.Libpod.RemovePod(ctx, p, true, true, timeout) + if err != nil { + return &entities.PodCloneReport{Id: pod.ID()}, err + } + } + + if podClone.Start { + _, err := ic.PodStart(ctx, []string{pod.ID()}, entities.PodStartOptions{}) + if err != nil { + return &entities.PodCloneReport{Id: pod.ID()}, err + } + } + + return &entities.PodCloneReport{Id: pod.ID()}, nil +} + func (ic *ContainerEngine) PodTop(ctx context.Context, options entities.PodTopOptions) (*entities.StringSliceReport, error) { var ( pod *libpod.Pod diff --git a/pkg/domain/infra/tunnel/pods.go b/pkg/domain/infra/tunnel/pods.go index 2dbdfcf80..7b1fa231f 100644 --- a/pkg/domain/infra/tunnel/pods.go +++ b/pkg/domain/infra/tunnel/pods.go @@ -195,6 +195,10 @@ func (ic *ContainerEngine) PodCreate(ctx context.Context, specg entities.PodSpec return pods.CreatePodFromSpec(ic.ClientCtx, &specg) } +func (ic *ContainerEngine) PodClone(ctx context.Context, podClone entities.PodCloneOptions) (*entities.PodCloneReport, error) { + return nil, nil +} + func (ic *ContainerEngine) PodTop(ctx context.Context, opts entities.PodTopOptions) (*entities.StringSliceReport, error) { switch { case opts.Latest: diff --git a/pkg/specgen/generate/container.go b/pkg/specgen/generate/container.go index e68abf3d1..0ed3c79ef 100644 --- a/pkg/specgen/generate/container.go +++ b/pkg/specgen/generate/container.go @@ -450,7 +450,7 @@ func ConfigToSpec(rt *libpod.Runtime, specg *specgen.SpecGenerator, contaierID s specg.IpcNS = specgen.Namespace{NSMode: specgen.Default} // default } case "uts": - specg.UtsNS = specgen.Namespace{NSMode: specgen.Default} // default + specg.UtsNS = specgen.Namespace{NSMode: specgen.Private} // default case "user": if conf.AddCurrentUserPasswdEntry { specg.UserNS = specgen.Namespace{NSMode: specgen.KeepID} diff --git a/pkg/specgen/generate/pod_create.go b/pkg/specgen/generate/pod_create.go index d4f281a11..4ac8a0aa2 100644 --- a/pkg/specgen/generate/pod_create.go +++ b/pkg/specgen/generate/pod_create.go @@ -2,12 +2,17 @@ package generate import ( "context" + "fmt" "net" + "os" + "strconv" + "strings" "github.com/containers/podman/v4/libpod" "github.com/containers/podman/v4/libpod/define" "github.com/containers/podman/v4/pkg/domain/entities" "github.com/containers/podman/v4/pkg/specgen" + "github.com/containers/podman/v4/pkg/specgenutil" "github.com/pkg/errors" "github.com/sirupsen/logrus" ) @@ -210,3 +215,88 @@ func MapSpec(p *specgen.PodSpecGenerator) (*specgen.SpecGenerator, error) { p.InfraContainerSpec.Image = p.InfraImage return p.InfraContainerSpec, nil } + +func PodConfigToSpec(rt *libpod.Runtime, spec *specgen.PodSpecGenerator, infraOptions *entities.ContainerCreateOptions, id string) (p *libpod.Pod, err error) { + pod, err := rt.LookupPod(id) + if err != nil { + return nil, err + } + + infraSpec := &specgen.SpecGenerator{} + if pod.HasInfraContainer() { + infraID, err := pod.InfraContainerID() + if err != nil { + return nil, err + } + _, _, err = ConfigToSpec(rt, infraSpec, infraID) + if err != nil { + return nil, err + } + + infraSpec.Hostname = "" + infraSpec.CgroupParent = "" + infraSpec.Pod = "" // remove old pod... + infraOptions.IsClone = true + infraOptions.IsInfra = true + + n := infraSpec.Name + _, err = rt.LookupContainer(n + "-clone") + if err == nil { // if we found a ctr with this name, set it so the below switch can tell + n += "-clone" + } + + switch { + case strings.Contains(n, "-clone"): + ind := strings.Index(n, "-clone") + 6 + num, err := strconv.Atoi(n[ind:]) + if num == 0 && err != nil { // clone1 is hard to get with this logic, just check for it here. + _, err = rt.LookupContainer(n + "1") + if err != nil { + infraSpec.Name = n + "1" + break + } + } else { + n = n[0:ind] + } + err = nil + count := num + for err == nil { + count++ + tempN := n + strconv.Itoa(count) + _, err = rt.LookupContainer(tempN) + } + n += strconv.Itoa(count) + infraSpec.Name = n + default: + infraSpec.Name = n + "-clone" + } + + err = specgenutil.FillOutSpecGen(infraSpec, infraOptions, []string{}) + if err != nil { + return nil, err + } + + out, err := CompleteSpec(context.Background(), rt, infraSpec) + if err != nil { + return nil, err + } + + // Print warnings + if len(out) > 0 { + for _, w := range out { + fmt.Println("Could not properly complete the spec as expected:") + fmt.Fprintf(os.Stderr, "%s\n", w) + } + } + + spec.InfraContainerSpec = infraSpec + } + + // need to reset hostname, name etc of both pod and infra + spec.Hostname = "" + + if len(spec.InfraContainerSpec.Image) > 0 { + spec.InfraImage = spec.InfraContainerSpec.Image + } + return pod, nil +} diff --git a/pkg/specgenutil/specgen.go b/pkg/specgenutil/specgen.go index 6d70af106..ab45a8d47 100644 --- a/pkg/specgenutil/specgen.go +++ b/pkg/specgenutil/specgen.go @@ -312,7 +312,7 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions s.PublishExposedPorts = c.PublishAll } - if len(s.Pod) == 0 { + if len(s.Pod) == 0 || len(c.Pod) > 0 { s.Pod = c.Pod } |