mirror of https://github.com/containers/podman.git
132 lines
3.1 KiB
Go
132 lines
3.1 KiB
Go
package libpod
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// Contains the public Runtime API for pods
|
|
|
|
// A PodCreateOption is a functional option which alters the Pod created by
|
|
// NewPod
|
|
type PodCreateOption func(*Pod) error
|
|
|
|
// PodFilter is a function to determine whether a pod is included in command
|
|
// output. Pods to be outputted are tested using the function. A true return
|
|
// will include the pod, a false return will exclude it.
|
|
type PodFilter func(*Pod) bool
|
|
|
|
// RemovePod removes a pod
|
|
// If removeCtrs is specified, containers will be removed
|
|
// Otherwise, a pod that is not empty will return an error and not be removed
|
|
// If force is specified with removeCtrs, all containers will be stopped before
|
|
// being removed
|
|
// Otherwise, the pod will not be removed if any containers are running
|
|
func (r *Runtime) RemovePod(ctx context.Context, p *Pod, removeCtrs, force bool) error {
|
|
return r.removePod(ctx, p, removeCtrs, force)
|
|
}
|
|
|
|
// GetPod retrieves a pod by its ID
|
|
func (r *Runtime) GetPod(id string) (*Pod, error) {
|
|
r.lock.RLock()
|
|
defer r.lock.RUnlock()
|
|
|
|
if !r.valid {
|
|
return nil, ErrRuntimeStopped
|
|
}
|
|
|
|
return r.state.Pod(id)
|
|
}
|
|
|
|
// HasPod checks to see if a pod with the given ID exists
|
|
func (r *Runtime) HasPod(id string) (bool, error) {
|
|
r.lock.RLock()
|
|
defer r.lock.RUnlock()
|
|
|
|
if !r.valid {
|
|
return false, ErrRuntimeStopped
|
|
}
|
|
|
|
return r.state.HasPod(id)
|
|
}
|
|
|
|
// LookupPod retrieves a pod by its name or a partial ID
|
|
// If a partial ID is not unique, an error will be returned
|
|
func (r *Runtime) LookupPod(idOrName string) (*Pod, error) {
|
|
r.lock.RLock()
|
|
defer r.lock.RUnlock()
|
|
|
|
if !r.valid {
|
|
return nil, ErrRuntimeStopped
|
|
}
|
|
|
|
return r.state.LookupPod(idOrName)
|
|
}
|
|
|
|
// Pods retrieves all pods
|
|
// Filters can be provided which will determine which pods are included in the
|
|
// output. Multiple filters are handled by ANDing their output, so only pods
|
|
// matching all filters are returned
|
|
func (r *Runtime) Pods(filters ...PodFilter) ([]*Pod, error) {
|
|
r.lock.RLock()
|
|
defer r.lock.RUnlock()
|
|
|
|
if !r.valid {
|
|
return nil, ErrRuntimeStopped
|
|
}
|
|
|
|
pods, err := r.state.AllPods()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
podsFiltered := make([]*Pod, 0, len(pods))
|
|
for _, pod := range pods {
|
|
include := true
|
|
for _, filter := range filters {
|
|
include = include && filter(pod)
|
|
}
|
|
|
|
if include {
|
|
podsFiltered = append(podsFiltered, pod)
|
|
}
|
|
}
|
|
|
|
return podsFiltered, nil
|
|
}
|
|
|
|
// GetAllPods retrieves all pods
|
|
func (r *Runtime) GetAllPods() ([]*Pod, error) {
|
|
r.lock.RLock()
|
|
defer r.lock.RUnlock()
|
|
|
|
if !r.valid {
|
|
return nil, ErrRuntimeStopped
|
|
}
|
|
|
|
return r.state.AllPods()
|
|
}
|
|
|
|
// GetLatestPod returns a pod object of the latest created pod.
|
|
func (r *Runtime) GetLatestPod() (*Pod, error) {
|
|
lastCreatedIndex := -1
|
|
var lastCreatedTime time.Time
|
|
pods, err := r.GetAllPods()
|
|
if err != nil {
|
|
return nil, errors.Wrapf(err, "unable to get all pods")
|
|
}
|
|
if len(pods) == 0 {
|
|
return nil, ErrNoSuchPod
|
|
}
|
|
for podIndex, pod := range pods {
|
|
createdTime := pod.config.CreatedTime
|
|
if createdTime.After(lastCreatedTime) {
|
|
lastCreatedTime = createdTime
|
|
lastCreatedIndex = podIndex
|
|
}
|
|
}
|
|
return pods[lastCreatedIndex], nil
|
|
}
|