123 lines
2.8 KiB
Go
123 lines
2.8 KiB
Go
|
package libpod
|
||
|
|
|
||
|
|
import (
|
||
|
|
"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
|
||
|
|
|
||
|
|
// NewPod makes a new, empty pod
|
||
|
|
func (r *Runtime) NewPod(options ...PodCreateOption) (*Pod, error) {
|
||
|
|
r.lock.Lock()
|
||
|
|
defer r.lock.Unlock()
|
||
|
|
|
||
|
|
if !r.valid {
|
||
|
|
return nil, ErrRuntimeStopped
|
||
|
|
}
|
||
|
|
|
||
|
|
pod, err := newPod()
|
||
|
|
if err != nil {
|
||
|
|
return nil, errors.Wrapf(err, "error creating pod")
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, option := range options {
|
||
|
|
if err := option(pod); err != nil {
|
||
|
|
return nil, errors.Wrapf(err, "error running pod create option")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pod.valid = true
|
||
|
|
|
||
|
|
if err := r.state.AddPod(pod); err != nil {
|
||
|
|
return nil, errors.Wrapf(err, "error adding pod to state")
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil, ErrNotImplemented
|
||
|
|
}
|
||
|
|
|
||
|
|
// RemovePod removes a pod and all containers in it
|
||
|
|
// If force is specified, all containers in the pod will be stopped first
|
||
|
|
// Otherwise, RemovePod will return an error if any container in the pod is running
|
||
|
|
// Remove acts atomically, removing all containers or no containers
|
||
|
|
func (r *Runtime) RemovePod(p *Pod, force bool) error {
|
||
|
|
return ErrNotImplemented
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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.GetPod(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.GetAllPods()
|
||
|
|
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
|
||
|
|
}
|