From 5da70b04dd95263a536cc148288d2e20cd9dea30 Mon Sep 17 00:00:00 2001
From: Brent Baude <bbaude@redhat.com>
Date: Fri, 24 Jan 2020 08:59:20 -0600
Subject: APIv2 review corrections #3
The third pass of corrections for the APIv2.
Signed-off-by: Brent Baude <bbaude@redhat.com>
---
libpod/define/podstate.go | 19 +++++++++++++++
libpod/pod_status.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++
libpod/runtime_pod.go | 28 ++++++++++++++++++++++
3 files changed, 106 insertions(+)
create mode 100644 libpod/define/podstate.go
create mode 100644 libpod/pod_status.go
(limited to 'libpod')
diff --git a/libpod/define/podstate.go b/libpod/define/podstate.go
new file mode 100644
index 000000000..2b59aabfb
--- /dev/null
+++ b/libpod/define/podstate.go
@@ -0,0 +1,19 @@
+package define
+
+const (
+ // PodStateCreated indicates the pod is created but has not been started
+ PodStateCreated = "Created"
+ // PodStateErrored indicates the pod is in an errored state where
+ // information about it can no longer be retrieved
+ PodStateErrored = "Error"
+ // PodStateExited indicates the pod ran but has been stopped
+ PodStateExited = "Exited"
+ // PodStatePaused indicates the pod has been paused
+ PodStatePaused = "Paused"
+ // PodStateRunning indicates that one or more of the containers in
+ // the pod is running
+ PodStateRunning = "Running"
+ // PodStateStopped indicates all of the containers belonging to the pod
+ // are stopped.
+ PodStateStopped = "Stopped"
+)
diff --git a/libpod/pod_status.go b/libpod/pod_status.go
new file mode 100644
index 000000000..3a44c4457
--- /dev/null
+++ b/libpod/pod_status.go
@@ -0,0 +1,59 @@
+package libpod
+
+import "github.com/containers/libpod/libpod/define"
+
+// GetPodStatus determines the status of the pod based on the
+// statuses of the containers in the pod.
+// Returns a string representation of the pod status
+func (p *Pod) GetPodStatus() (string, error) {
+ ctrStatuses, err := p.Status()
+ if err != nil {
+ return define.PodStateErrored, err
+ }
+ return CreatePodStatusResults(ctrStatuses)
+}
+
+func CreatePodStatusResults(ctrStatuses map[string]define.ContainerStatus) (string, error) {
+ ctrNum := len(ctrStatuses)
+ if ctrNum == 0 {
+ return define.PodStateCreated, nil
+ }
+ statuses := map[string]int{
+ define.PodStateStopped: 0,
+ define.PodStateRunning: 0,
+ define.PodStatePaused: 0,
+ define.PodStateCreated: 0,
+ define.PodStateErrored: 0,
+ }
+ for _, ctrStatus := range ctrStatuses {
+ switch ctrStatus {
+ case define.ContainerStateExited:
+ fallthrough
+ case define.ContainerStateStopped:
+ statuses[define.PodStateStopped]++
+ case define.ContainerStateRunning:
+ statuses[define.PodStateRunning]++
+ case define.ContainerStatePaused:
+ statuses[define.PodStatePaused]++
+ case define.ContainerStateCreated, define.ContainerStateConfigured:
+ statuses[define.PodStateCreated]++
+ default:
+ statuses[define.PodStateErrored]++
+ }
+ }
+
+ switch {
+ case statuses[define.PodStateRunning] > 0:
+ return define.PodStateRunning, nil
+ case statuses[define.PodStatePaused] == ctrNum:
+ return define.PodStatePaused, nil
+ case statuses[define.PodStateStopped] == ctrNum:
+ return define.PodStateExited, nil
+ case statuses[define.PodStateStopped] > 0:
+ return define.PodStateStopped, nil
+ case statuses[define.PodStateErrored] > 0:
+ return define.PodStateErrored, nil
+ default:
+ return define.PodStateCreated, nil
+ }
+}
diff --git a/libpod/runtime_pod.go b/libpod/runtime_pod.go
index 66f9b10c9..e1dc31391 100644
--- a/libpod/runtime_pod.go
+++ b/libpod/runtime_pod.go
@@ -182,3 +182,31 @@ func (r *Runtime) GetRunningPods() ([]*Pod, error) {
}
return runningPods, nil
}
+
+// PrunePods removes unused pods and their containers from local storage.
+// If force is given, then running pods are also included in the pruning.
+func (r *Runtime) PrunePods() (map[string]error, error) {
+ response := make(map[string]error)
+ states := []string{define.PodStateStopped, define.PodStateExited}
+ filterFunc := func(p *Pod) bool {
+ state, _ := p.GetPodStatus()
+ for _, status := range states {
+ if state == status {
+ return true
+ }
+ }
+ return false
+ }
+ pods, err := r.Pods(filterFunc)
+ if err != nil {
+ return nil, err
+ }
+ if len(pods) < 1 {
+ return response, nil
+ }
+ for _, pod := range pods {
+ err := r.removePod(context.TODO(), pod, true, false)
+ response[pod.ID()] = err
+ }
+ return response, nil
+}
--
cgit v1.2.3-54-g00ecf