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	72f1617fac
	
	
	
		
			
			Moving from Go module v4 to v5 prepares us for public releases. Move done using gomove [1] as with the v3 and v4 moves. [1] https://github.com/KSubedi/gomove Signed-off-by: Matt Heon <mheon@redhat.com>
		
			
				
	
	
		
			764 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			764 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| //go:build !remote
 | |
| 
 | |
| package libpod
 | |
| 
 | |
| import (
 | |
| 	"context"
 | |
| 	"errors"
 | |
| 	"fmt"
 | |
| 
 | |
| 	"github.com/containers/common/pkg/cgroups"
 | |
| 	"github.com/containers/podman/v5/libpod/define"
 | |
| 	"github.com/containers/podman/v5/libpod/events"
 | |
| 	"github.com/containers/podman/v5/pkg/parallel"
 | |
| 	"github.com/containers/podman/v5/pkg/rootless"
 | |
| 	"github.com/opencontainers/runtime-spec/specs-go"
 | |
| 	"github.com/sirupsen/logrus"
 | |
| )
 | |
| 
 | |
| // startInitContainers starts a pod's init containers.
 | |
| func (p *Pod) startInitContainers(ctx context.Context) error {
 | |
| 	initCtrs, err := p.initContainers()
 | |
| 	if err != nil {
 | |
| 		return err
 | |
| 	}
 | |
| 	// Now iterate init containers
 | |
| 	for _, initCon := range initCtrs {
 | |
| 		if err := initCon.Start(ctx, true); err != nil {
 | |
| 			return err
 | |
| 		}
 | |
| 		// Check that the init container waited correctly and the exit
 | |
| 		// code is good
 | |
| 		rc, err := initCon.Wait(ctx)
 | |
| 		if err != nil {
 | |
| 			return err
 | |
| 		}
 | |
| 		if rc != 0 {
 | |
| 			return fmt.Errorf("init container %s exited with code %d", initCon.ID(), rc)
 | |
| 		}
 | |
| 		// If the container is a once init container, we need to remove it
 | |
| 		// after it runs
 | |
| 		if initCon.config.InitContainerType == define.OneShotInitContainer {
 | |
| 			icLock := initCon.lock
 | |
| 			icLock.Lock()
 | |
| 			var time *uint
 | |
| 			opts := ctrRmOpts{
 | |
| 				RemovePod: true,
 | |
| 				Timeout:   time,
 | |
| 			}
 | |
| 
 | |
| 			if _, _, err := p.runtime.removeContainer(ctx, initCon, opts); err != nil {
 | |
| 				icLock.Unlock()
 | |
| 				return fmt.Errorf("failed to remove once init container %s: %w", initCon.ID(), err)
 | |
| 			}
 | |
| 			icLock.Unlock()
 | |
| 		}
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| // Start starts all containers within a pod.
 | |
| // It combines the effects of Init() and Start() on a container.
 | |
| // If a container has already been initialized it will be started,
 | |
| // otherwise it will be initialized then started.
 | |
| // Containers that are already running or have been paused are ignored
 | |
| // All containers are started independently, in order dictated by their
 | |
| // dependencies.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were started.
 | |
| // If map is not nil, an error was encountered when starting one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were started successfully.
 | |
| func (p *Pod) Start(ctx context.Context) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	if err := p.maybeStartServiceContainer(ctx); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	// Before "regular" containers start in the pod, all init containers
 | |
| 	// must have run and exited successfully.
 | |
| 	if err := p.startInitContainers(ctx); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	// Build a dependency graph of containers in the pod
 | |
| 	graph, err := BuildContainerGraph(allCtrs)
 | |
| 	if err != nil {
 | |
| 		return nil, fmt.Errorf("generating dependency graph for pod %s: %w", p.ID(), err)
 | |
| 	}
 | |
| 	// If there are no containers without dependencies, we can't start
 | |
| 	// Error out
 | |
| 	if len(graph.noDepNodes) == 0 {
 | |
| 		return nil, fmt.Errorf("no containers in pod %s have no dependencies, cannot start pod: %w", p.ID(), define.ErrNoSuchCtr)
 | |
| 	}
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 	ctrsVisited := make(map[string]bool)
 | |
| 
 | |
| 	// Traverse the graph beginning at nodes with no dependencies
 | |
| 	for _, node := range graph.noDepNodes {
 | |
| 		startNode(ctx, node, false, ctrErrors, ctrsVisited, false)
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("starting some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 	defer p.newPodEvent(events.Start)
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Stop stops all containers within a pod without a timeout.  It assumes -1 for
 | |
| // a timeout.
 | |
| func (p *Pod) Stop(ctx context.Context, cleanup bool) (map[string]error, error) {
 | |
| 	return p.StopWithTimeout(ctx, cleanup, -1)
 | |
| }
 | |
| 
 | |
| // StopWithTimeout stops all containers within a pod that are not already stopped
 | |
| // Each container will use its own stop timeout.
 | |
| // Only running containers will be stopped. Paused, stopped, or created
 | |
| // containers will be ignored.
 | |
| // If cleanup is true, mounts and network namespaces will be cleaned up after
 | |
| // the container is stopped.
 | |
| // All containers are stopped independently. An error stopping one container
 | |
| // will not prevent other containers being stopped.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were stopped.
 | |
| // If map is not nil, an error was encountered when stopping one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were stopped without error.
 | |
| func (p *Pod) StopWithTimeout(ctx context.Context, cleanup bool, timeout int) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	return p.stopWithTimeout(ctx, cleanup, timeout)
 | |
| }
 | |
| 
 | |
| func (p *Pod) stopWithTimeout(ctx context.Context, cleanup bool, timeout int) (map[string]error, error) {
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	// Stopping pods is not ordered by dependency. We haven't seen any case
 | |
| 	// where this would actually matter.
 | |
| 
 | |
| 	ctrErrChan := make(map[string]<-chan error)
 | |
| 
 | |
| 	// Enqueue a function for each container with the parallel executor.
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		c := ctr
 | |
| 		logrus.Debugf("Adding parallel job to stop container %s", c.ID())
 | |
| 		retChan := parallel.Enqueue(ctx, func() error {
 | |
| 			// Can't batch these without forcing Stop() to hold the
 | |
| 			// lock for the full duration of the timeout.
 | |
| 			// We probably don't want to do that.
 | |
| 			if timeout > -1 {
 | |
| 				if err := c.StopWithTimeout(uint(timeout)); err != nil {
 | |
| 					return err
 | |
| 				}
 | |
| 			} else {
 | |
| 				if err := c.Stop(); err != nil {
 | |
| 					return err
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			if cleanup {
 | |
| 				return c.Cleanup(ctx)
 | |
| 			}
 | |
| 
 | |
| 			return nil
 | |
| 		})
 | |
| 
 | |
| 		ctrErrChan[c.ID()] = retChan
 | |
| 	}
 | |
| 
 | |
| 	p.newPodEvent(events.Stop)
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 
 | |
| 	// Get returned error for every container we worked on
 | |
| 	for id, channel := range ctrErrChan {
 | |
| 		if err := <-channel; err != nil {
 | |
| 			if errors.Is(err, define.ErrCtrStateInvalid) || errors.Is(err, define.ErrCtrStopped) {
 | |
| 				continue
 | |
| 			}
 | |
| 			ctrErrors[id] = err
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("stopping some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 
 | |
| 	if err := p.maybeStopServiceContainer(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	if err := p.updatePod(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	if err := p.removePodCgroup(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Stops the pod if only the infra containers remains running.
 | |
| func (p *Pod) stopIfOnlyInfraRemains(ctx context.Context, ignoreID string) error {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	infraID := ""
 | |
| 
 | |
| 	if p.HasInfraContainer() {
 | |
| 		infra, err := p.infraContainer()
 | |
| 		if err != nil {
 | |
| 			return err
 | |
| 		}
 | |
| 		infraID = infra.ID()
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return err
 | |
| 	}
 | |
| 
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		if ctr.ID() == infraID || ctr.ID() == ignoreID {
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		state, err := ctr.State()
 | |
| 		if err != nil {
 | |
| 			return fmt.Errorf("getting state of container %s: %w", ctr.ID(), err)
 | |
| 		}
 | |
| 
 | |
| 		switch state {
 | |
| 		case define.ContainerStateExited,
 | |
| 			define.ContainerStateRemoving,
 | |
| 			define.ContainerStateStopping,
 | |
| 			define.ContainerStateUnknown:
 | |
| 			continue
 | |
| 		default:
 | |
| 			return nil
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	_, err = p.stopWithTimeout(ctx, true, -1)
 | |
| 	return err
 | |
| }
 | |
| 
 | |
| // Cleanup cleans up all containers within a pod that have stopped.
 | |
| // All containers are cleaned up independently. An error with one container will
 | |
| // not prevent other containers being cleaned up.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were cleaned up.
 | |
| // If map is not nil, an error was encountered when working on one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were paused without error
 | |
| func (p *Pod) Cleanup(ctx context.Context) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	ctrErrChan := make(map[string]<-chan error)
 | |
| 
 | |
| 	// Enqueue a function for each container with the parallel executor.
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		c := ctr
 | |
| 		logrus.Debugf("Adding parallel job to clean up container %s", c.ID())
 | |
| 		retChan := parallel.Enqueue(ctx, func() error {
 | |
| 			return c.Cleanup(ctx)
 | |
| 		})
 | |
| 
 | |
| 		ctrErrChan[c.ID()] = retChan
 | |
| 	}
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 
 | |
| 	// Get returned error for every container we worked on
 | |
| 	for id, channel := range ctrErrChan {
 | |
| 		if err := <-channel; err != nil {
 | |
| 			if errors.Is(err, define.ErrCtrStateInvalid) || errors.Is(err, define.ErrCtrStopped) {
 | |
| 				continue
 | |
| 			}
 | |
| 			ctrErrors[id] = err
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("cleaning up some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 
 | |
| 	if err := p.maybeStopServiceContainer(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Pause pauses all containers within a pod that are running.
 | |
| // Only running containers will be paused. Paused, stopped, or created
 | |
| // containers will be ignored.
 | |
| // All containers are paused independently. An error pausing one container
 | |
| // will not prevent other containers being paused.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were paused.
 | |
| // If map is not nil, an error was encountered when pausing one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were paused without error
 | |
| func (p *Pod) Pause(ctx context.Context) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	if rootless.IsRootless() {
 | |
| 		cgroupv2, err := cgroups.IsCgroup2UnifiedMode()
 | |
| 		if err != nil {
 | |
| 			return nil, fmt.Errorf("failed to determine cgroupversion: %w", err)
 | |
| 		}
 | |
| 		if !cgroupv2 {
 | |
| 			return nil, fmt.Errorf("can not pause pods containing rootless containers with cgroup V1: %w", define.ErrNoCgroups)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	ctrErrChan := make(map[string]<-chan error)
 | |
| 
 | |
| 	// Enqueue a function for each container with the parallel executor.
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		c := ctr
 | |
| 		logrus.Debugf("Adding parallel job to pause container %s", c.ID())
 | |
| 		retChan := parallel.Enqueue(ctx, c.Pause)
 | |
| 
 | |
| 		ctrErrChan[c.ID()] = retChan
 | |
| 	}
 | |
| 
 | |
| 	p.newPodEvent(events.Pause)
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 
 | |
| 	// Get returned error for every container we worked on
 | |
| 	for id, channel := range ctrErrChan {
 | |
| 		if err := <-channel; err != nil {
 | |
| 			if errors.Is(err, define.ErrCtrStateInvalid) || errors.Is(err, define.ErrCtrStopped) {
 | |
| 				continue
 | |
| 			}
 | |
| 			ctrErrors[id] = err
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("pausing some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Unpause unpauses all containers within a pod that are running.
 | |
| // Only paused containers will be unpaused. Running, stopped, or created
 | |
| // containers will be ignored.
 | |
| // All containers are unpaused independently. An error unpausing one container
 | |
| // will not prevent other containers being unpaused.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were unpaused.
 | |
| // If map is not nil, an error was encountered when unpausing one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were unpaused without error.
 | |
| func (p *Pod) Unpause(ctx context.Context) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	ctrErrChan := make(map[string]<-chan error)
 | |
| 
 | |
| 	// Enqueue a function for each container with the parallel executor.
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		c := ctr
 | |
| 		logrus.Debugf("Adding parallel job to unpause container %s", c.ID())
 | |
| 		retChan := parallel.Enqueue(ctx, c.Unpause)
 | |
| 
 | |
| 		ctrErrChan[c.ID()] = retChan
 | |
| 	}
 | |
| 
 | |
| 	p.newPodEvent(events.Unpause)
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 
 | |
| 	// Get returned error for every container we worked on
 | |
| 	for id, channel := range ctrErrChan {
 | |
| 		if err := <-channel; err != nil {
 | |
| 			if errors.Is(err, define.ErrCtrStateInvalid) || errors.Is(err, define.ErrCtrStopped) {
 | |
| 				continue
 | |
| 			}
 | |
| 			ctrErrors[id] = err
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("unpausing some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Restart restarts all containers within a pod that are not paused or in an error state.
 | |
| // It combines the effects of Stop() and Start() on a container
 | |
| // Each container will use its own stop timeout.
 | |
| // All containers are started independently, in order dictated by their
 | |
| // dependencies. An error restarting one container
 | |
| // will not prevent other containers being restarted.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were restarted.
 | |
| // If map is not nil, an error was encountered when restarting one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were restarted without error.
 | |
| func (p *Pod) Restart(ctx context.Context) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	if err := p.maybeStartServiceContainer(ctx); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	// Build a dependency graph of containers in the pod
 | |
| 	graph, err := BuildContainerGraph(allCtrs)
 | |
| 	if err != nil {
 | |
| 		return nil, fmt.Errorf("generating dependency graph for pod %s: %w", p.ID(), err)
 | |
| 	}
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 	ctrsVisited := make(map[string]bool)
 | |
| 
 | |
| 	// If there are no containers without dependencies, we can't start
 | |
| 	// Error out
 | |
| 	if len(graph.noDepNodes) == 0 {
 | |
| 		return nil, fmt.Errorf("no containers in pod %s have no dependencies, cannot start pod: %w", p.ID(), define.ErrNoSuchCtr)
 | |
| 	}
 | |
| 
 | |
| 	// Traverse the graph beginning at nodes with no dependencies
 | |
| 	for _, node := range graph.noDepNodes {
 | |
| 		startNode(ctx, node, false, ctrErrors, ctrsVisited, true)
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("stopping some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 	p.newPodEvent(events.Stop)
 | |
| 	p.newPodEvent(events.Start)
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Kill sends a signal to all running containers within a pod.
 | |
| // Signals will only be sent to running containers. Containers that are not
 | |
| // running will be ignored. All signals are sent independently, and sending will
 | |
| // continue even if some containers encounter errors.
 | |
| // An error and a map[string]error are returned.
 | |
| // If the error is not nil and the map is nil, an error was encountered before
 | |
| // any containers were signalled.
 | |
| // If map is not nil, an error was encountered when signalling one or more
 | |
| // containers. The container ID is mapped to the error encountered. The error is
 | |
| // set to ErrPodPartialFail.
 | |
| // If both error and the map are nil, all containers were signalled successfully.
 | |
| func (p *Pod) Kill(ctx context.Context, signal uint) (map[string]error, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	ctrErrChan := make(map[string]<-chan error)
 | |
| 
 | |
| 	// Enqueue a function for each container with the parallel executor.
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		c := ctr
 | |
| 		logrus.Debugf("Adding parallel job to kill container %s", c.ID())
 | |
| 		retChan := parallel.Enqueue(ctx, func() error {
 | |
| 			return c.Kill(signal)
 | |
| 		})
 | |
| 
 | |
| 		ctrErrChan[c.ID()] = retChan
 | |
| 	}
 | |
| 
 | |
| 	p.newPodEvent(events.Kill)
 | |
| 
 | |
| 	ctrErrors := make(map[string]error)
 | |
| 
 | |
| 	// Get returned error for every container we worked on
 | |
| 	for id, channel := range ctrErrChan {
 | |
| 		if err := <-channel; err != nil {
 | |
| 			if errors.Is(err, define.ErrCtrStateInvalid) || errors.Is(err, define.ErrCtrStopped) {
 | |
| 				continue
 | |
| 			}
 | |
| 			ctrErrors[id] = err
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if len(ctrErrors) > 0 {
 | |
| 		return ctrErrors, fmt.Errorf("killing some containers: %w", define.ErrPodPartialFail)
 | |
| 	}
 | |
| 
 | |
| 	if err := p.maybeStopServiceContainer(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	return nil, nil
 | |
| }
 | |
| 
 | |
| // Status gets the status of all containers in the pod.
 | |
| // Returns a map of Container ID to Container Status.
 | |
| func (p *Pod) Status() (map[string]define.ContainerStatus, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 
 | |
| 	if !p.valid {
 | |
| 		return nil, define.ErrPodRemoved
 | |
| 	}
 | |
| 	allCtrs, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	noInitCtrs := make([]*Container, 0)
 | |
| 	// Do not add init containers into status
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		if ctrType := ctr.config.InitContainerType; len(ctrType) < 1 {
 | |
| 			noInitCtrs = append(noInitCtrs, ctr)
 | |
| 		}
 | |
| 	}
 | |
| 	return containerStatusFromContainers(noInitCtrs)
 | |
| }
 | |
| 
 | |
| func containerStatusFromContainers(allCtrs []*Container) (map[string]define.ContainerStatus, error) {
 | |
| 	status := make(map[string]define.ContainerStatus, len(allCtrs))
 | |
| 	for _, ctr := range allCtrs {
 | |
| 		state, err := ctr.State()
 | |
| 
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		status[ctr.ID()] = state
 | |
| 	}
 | |
| 
 | |
| 	return status, nil
 | |
| }
 | |
| 
 | |
| // Inspect returns a PodInspect struct to describe the pod.
 | |
| func (p *Pod) Inspect() (*define.InspectPodData, error) {
 | |
| 	p.lock.Lock()
 | |
| 	defer p.lock.Unlock()
 | |
| 	if err := p.updatePod(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	containers, err := p.runtime.state.PodContainers(p)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	ctrs := make([]define.InspectPodContainerInfo, 0, len(containers))
 | |
| 	ctrStatuses := make(map[string]define.ContainerStatus, len(containers))
 | |
| 	for _, c := range containers {
 | |
| 		containerStatus := "unknown"
 | |
| 		// Ignoring possible errors here because we don't want this to be
 | |
| 		// catastrophic in nature
 | |
| 		containerState, err := c.State()
 | |
| 		if err == nil {
 | |
| 			containerStatus = containerState.String()
 | |
| 		}
 | |
| 		ctrs = append(ctrs, define.InspectPodContainerInfo{
 | |
| 			ID:    c.ID(),
 | |
| 			Name:  c.Name(),
 | |
| 			State: containerStatus,
 | |
| 		})
 | |
| 		// Do not add init containers fdr status
 | |
| 		if len(c.config.InitContainerType) < 1 {
 | |
| 			ctrStatuses[c.ID()] = c.state.State
 | |
| 		}
 | |
| 	}
 | |
| 	podState, err := createPodStatusResults(ctrStatuses)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	namespaces := map[string]bool{
 | |
| 		"pid":    p.config.UsePodPID,
 | |
| 		"ipc":    p.config.UsePodIPC,
 | |
| 		"net":    p.config.UsePodNet,
 | |
| 		"mount":  p.config.UsePodMount,
 | |
| 		"user":   p.config.UsePodUser,
 | |
| 		"uts":    p.config.UsePodUTS,
 | |
| 		"cgroup": p.config.UsePodCgroupNS,
 | |
| 	}
 | |
| 
 | |
| 	sharesNS := []string{}
 | |
| 	for nsStr, include := range namespaces {
 | |
| 		if include {
 | |
| 			sharesNS = append(sharesNS, nsStr)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Infra config contains detailed information on the pod's infra
 | |
| 	// container.
 | |
| 	var infraConfig *define.InspectPodInfraConfig
 | |
| 	var inspectMounts []define.InspectMount
 | |
| 	var devices []define.InspectDevice
 | |
| 	var infraSecurity []string
 | |
| 	if p.state.InfraContainerID != "" {
 | |
| 		infra, err := p.runtime.GetContainer(p.state.InfraContainerID)
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 		infraConfig = new(define.InspectPodInfraConfig)
 | |
| 		infraConfig.HostNetwork = p.NetworkMode() == "host"
 | |
| 		infraConfig.StaticIP = infra.config.ContainerNetworkConfig.StaticIP
 | |
| 		infraConfig.NoManageResolvConf = infra.config.UseImageResolvConf
 | |
| 		infraConfig.NoManageHosts = infra.config.UseImageHosts
 | |
| 		infraConfig.CPUPeriod = p.CPUPeriod()
 | |
| 		infraConfig.CPUQuota = p.CPUQuota()
 | |
| 		infraConfig.CPUSetCPUs = p.ResourceLim().CPU.Cpus
 | |
| 		infraConfig.PidNS = p.NamespaceMode(specs.PIDNamespace)
 | |
| 		infraConfig.UserNS = p.NamespaceMode(specs.UserNamespace)
 | |
| 		infraConfig.UtsNS = p.NamespaceMode(specs.UTSNamespace)
 | |
| 		namedVolumes, mounts := infra.SortUserVolumes(infra.config.Spec)
 | |
| 		inspectMounts, err = infra.GetMounts(namedVolumes, infra.config.ImageVolumes, mounts)
 | |
| 		infraSecurity = infra.GetSecurityOptions()
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		if len(infra.config.ContainerNetworkConfig.DNSServer) > 0 {
 | |
| 			infraConfig.DNSServer = make([]string, 0, len(infra.config.ContainerNetworkConfig.DNSServer))
 | |
| 			for _, entry := range infra.config.ContainerNetworkConfig.DNSServer {
 | |
| 				infraConfig.DNSServer = append(infraConfig.DNSServer, entry.String())
 | |
| 			}
 | |
| 		}
 | |
| 		if len(infra.config.ContainerNetworkConfig.DNSSearch) > 0 {
 | |
| 			infraConfig.DNSSearch = make([]string, 0, len(infra.config.ContainerNetworkConfig.DNSSearch))
 | |
| 			infraConfig.DNSSearch = append(infraConfig.DNSSearch, infra.config.ContainerNetworkConfig.DNSSearch...)
 | |
| 		}
 | |
| 		if len(infra.config.ContainerNetworkConfig.DNSOption) > 0 {
 | |
| 			infraConfig.DNSOption = make([]string, 0, len(infra.config.ContainerNetworkConfig.DNSOption))
 | |
| 			infraConfig.DNSOption = append(infraConfig.DNSOption, infra.config.ContainerNetworkConfig.DNSOption...)
 | |
| 		}
 | |
| 		if len(infra.config.HostAdd) > 0 {
 | |
| 			infraConfig.HostAdd = make([]string, 0, len(infra.config.HostAdd))
 | |
| 			infraConfig.HostAdd = append(infraConfig.HostAdd, infra.config.HostAdd...)
 | |
| 		}
 | |
| 
 | |
| 		networks, err := infra.networks()
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 		netNames := make([]string, 0, len(networks))
 | |
| 		for name := range networks {
 | |
| 			netNames = append(netNames, name)
 | |
| 		}
 | |
| 		if len(netNames) > 0 {
 | |
| 			infraConfig.Networks = netNames
 | |
| 		}
 | |
| 		infraConfig.NetworkOptions = infra.config.ContainerNetworkConfig.NetworkOptions
 | |
| 		infraConfig.PortBindings = makeInspectPortBindings(infra.config.ContainerNetworkConfig.PortMappings)
 | |
| 	}
 | |
| 
 | |
| 	inspectData := define.InspectPodData{
 | |
| 		ID:                  p.ID(),
 | |
| 		Name:                p.Name(),
 | |
| 		Namespace:           p.Namespace(),
 | |
| 		Created:             p.CreatedTime(),
 | |
| 		CreateCommand:       p.config.CreateCommand,
 | |
| 		ExitPolicy:          string(p.config.ExitPolicy),
 | |
| 		State:               podState,
 | |
| 		Hostname:            p.config.Hostname,
 | |
| 		Labels:              p.Labels(),
 | |
| 		CreateCgroup:        p.config.UsePodCgroup,
 | |
| 		CgroupParent:        p.CgroupParent(),
 | |
| 		CgroupPath:          p.state.CgroupPath,
 | |
| 		CreateInfra:         infraConfig != nil,
 | |
| 		InfraContainerID:    p.state.InfraContainerID,
 | |
| 		InfraConfig:         infraConfig,
 | |
| 		SharedNamespaces:    sharesNS,
 | |
| 		NumContainers:       uint(len(containers)),
 | |
| 		Containers:          ctrs,
 | |
| 		CPUSetCPUs:          p.ResourceLim().CPU.Cpus,
 | |
| 		CPUPeriod:           p.CPUPeriod(),
 | |
| 		CPUQuota:            p.CPUQuota(),
 | |
| 		MemoryLimit:         p.MemoryLimit(),
 | |
| 		Mounts:              inspectMounts,
 | |
| 		Devices:             devices,
 | |
| 		BlkioDeviceReadBps:  p.BlkiThrottleReadBps(),
 | |
| 		VolumesFrom:         p.VolumesFrom(),
 | |
| 		SecurityOpts:        infraSecurity,
 | |
| 		MemorySwap:          p.MemorySwap(),
 | |
| 		BlkioWeight:         p.BlkioWeight(),
 | |
| 		CPUSetMems:          p.CPUSetMems(),
 | |
| 		BlkioDeviceWriteBps: p.BlkiThrottleWriteBps(),
 | |
| 		CPUShares:           p.CPUShares(),
 | |
| 		RestartPolicy:       p.config.RestartPolicy,
 | |
| 		LockNumber:          p.lock.ID(),
 | |
| 	}
 | |
| 
 | |
| 	return &inspectData, nil
 | |
| }
 |