79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
//go:build !remote
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package libpod
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import (
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"fmt"
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"time"
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"github.com/containers/podman/v4/libpod/define"
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"github.com/containers/storage/pkg/stringid"
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)
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// Creates a new, empty pod
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func newPod(runtime *Runtime) *Pod {
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pod := new(Pod)
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pod.config = new(PodConfig)
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pod.config.ID = stringid.GenerateRandomID()
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pod.config.Labels = make(map[string]string)
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pod.config.CreatedTime = time.Now()
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// pod.config.InfraContainer = new(ContainerConfig)
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pod.state = new(podState)
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pod.runtime = runtime
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return pod
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}
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// Update pod state from database
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func (p *Pod) updatePod() error {
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if err := p.runtime.state.UpdatePod(p); err != nil {
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return err
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}
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return nil
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}
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// Save pod state to database
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func (p *Pod) save() error {
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if err := p.runtime.state.SavePod(p); err != nil {
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return fmt.Errorf("saving pod %s state: %w", p.ID(), err)
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}
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return nil
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}
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// Refresh a pod's state after restart
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// This cannot lock any other pod, but may lock individual containers, as those
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// will have refreshed by the time pod refresh runs.
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func (p *Pod) refresh() error {
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// Need to do an update from the DB to pull potentially-missing state
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if err := p.runtime.state.UpdatePod(p); err != nil {
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return err
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}
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if !p.valid {
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return define.ErrPodRemoved
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}
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// Retrieve the pod's lock
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lock, err := p.runtime.lockManager.AllocateAndRetrieveLock(p.config.LockID)
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if err != nil {
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return fmt.Errorf("retrieving lock %d for pod %s: %w", p.config.LockID, p.ID(), err)
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}
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p.lock = lock
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if err := p.platformRefresh(); err != nil {
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return err
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}
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// Save changes
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return p.save()
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}
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// resetPodState resets state fields to default values.
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// It is performed before a refresh and clears the state after a reboot.
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// It does not save the results - assumes the database will do that for us.
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func resetPodState(state *podState) {
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state.CgroupPath = ""
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}
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