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authorBrent Baude <bbaude@redhat.com>2021-07-14 16:03:55 -0500
committerBrent Baude <bbaude@redhat.com>2021-08-04 14:14:36 -0500
commit3c3fa6fac4d0f8e89181ea2d4e1fe0318d24b6f4 (patch)
treef087d0a772797a9028df514d8d0369835724b3a2 /libpod/define/container.go
parente93661f5e765d84893e2ad5a488682c0a67412d0 (diff)
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implement init containers in podman
this is the first pass at implementing init containers for podman pods. init containersare made popular by k8s as a way to run setup for pods before the pods standard containers run. unlike k8s, we support two styles of init containers: always and oneshot. always means the container stays in the pod and starts whenever a pod is started. this does not apply to pods restarting. oneshot means the container runs onetime when the pod starts and then is removed. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'libpod/define/container.go')
-rw-r--r--libpod/define/container.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/libpod/define/container.go b/libpod/define/container.go
index f3125afa9..f0aca92aa 100644
--- a/libpod/define/container.go
+++ b/libpod/define/container.go
@@ -26,3 +26,13 @@ var RestartPolicyMap = map[string]string{
RestartPolicyOnFailure: RestartPolicyOnFailure,
RestartPolicyUnlessStopped: RestartPolicyUnlessStopped,
}
+
+// InitContainerTypes
+const (
+ // AlwaysInitContainer is an init container than runs on each
+ // pod start (including restart)
+ AlwaysInitContainer = "always"
+ // OneShotInitContainer is a container that only runs as init once
+ // and is then deleted.
+ OneShotInitContainer = "oneshot"
+)