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482ef7bfcf
This is something Docker does, and we did not do until now. Most difficult/annoying part was the REST API, where I did not really want to modify the struct being sent, so I made the new restart policy parameters query parameters instead. Testing was also a bit annoying, because testing restart policy always is. Signed-off-by: Matt Heon <mheon@redhat.com>
65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
package define
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import (
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"fmt"
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)
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// Valid restart policy types.
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const (
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// RestartPolicyNone indicates that no restart policy has been requested
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// by a container.
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RestartPolicyNone = ""
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// RestartPolicyNo is identical in function to RestartPolicyNone.
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RestartPolicyNo = "no"
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// RestartPolicyAlways unconditionally restarts the container.
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RestartPolicyAlways = "always"
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// RestartPolicyOnFailure restarts the container on non-0 exit code,
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// with an optional maximum number of retries.
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RestartPolicyOnFailure = "on-failure"
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// RestartPolicyUnlessStopped unconditionally restarts unless stopped
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// by the user. It is identical to Always except with respect to
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// handling of system restart, which Podman does not yet support.
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RestartPolicyUnlessStopped = "unless-stopped"
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)
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// RestartPolicyMap maps between restart-policy valid values to restart policy types
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var RestartPolicyMap = map[string]string{
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"none": RestartPolicyNone,
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RestartPolicyNo: RestartPolicyNo,
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RestartPolicyAlways: RestartPolicyAlways,
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RestartPolicyOnFailure: RestartPolicyOnFailure,
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RestartPolicyUnlessStopped: RestartPolicyUnlessStopped,
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}
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// Validate that the given string is a valid restart policy.
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func ValidateRestartPolicy(policy string) error {
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switch policy {
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case RestartPolicyNone, RestartPolicyNo, RestartPolicyOnFailure, RestartPolicyAlways, RestartPolicyUnlessStopped:
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return nil
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default:
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return fmt.Errorf("%q is not a valid restart policy: %w", policy, ErrInvalidArg)
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}
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}
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// InitContainerTypes
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const (
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// AlwaysInitContainer is an init container that runs on each
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// pod start (including restart)
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AlwaysInitContainer = "always"
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// OneShotInitContainer is a container that only runs as init once
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// and is then deleted.
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OneShotInitContainer = "once"
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// ContainerInitPath is the default path of the mounted container init.
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ContainerInitPath = "/run/podman-init"
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)
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// Kubernetes Kinds
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const (
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// A Pod kube yaml spec
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K8sKindPod = "pod"
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// A Deployment kube yaml spec
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K8sKindDeployment = "deployment"
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// A DaemonSet kube yaml spec
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K8sKindDaemonSet = "daemonset"
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)
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