kubernetes: during kubelet prestart, skip pause image pull if exist

This makes it so that if the pause container image already exists in containerd's image store, host-ctr won't try to authenticate and pull the pause image and let kubelet use the cached image copy.
bottlerocket-os · Nov 30, 2022 · daf9b3f · daf9b3f
1 parent d1f8703
commit daf9b3f
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Showing 4 changed files with 8 additions and 4 deletions.
diff --git a/packages/kubernetes-1.21/prestart-pull-pause-ctr.conf b/packages/kubernetes-1.21/prestart-pull-pause-ctr.conf
@@ -5,4 +5,5 @@ ExecStartPre=/usr/bin/host-ctr \
     --namespace=k8s.io \
     pull-image \
     --source=${POD_INFRA_CONTAINER_IMAGE} \
-    --registry-config=/etc/host-containers/host-ctr.toml
+    --registry-config=/etc/host-containers/host-ctr.toml \
+    --skip-if-image-exists=true
diff --git a/packages/kubernetes-1.22/prestart-pull-pause-ctr.conf b/packages/kubernetes-1.22/prestart-pull-pause-ctr.conf
@@ -5,4 +5,5 @@ ExecStartPre=/usr/bin/host-ctr \
     --namespace=k8s.io \
     pull-image \
     --source=${POD_INFRA_CONTAINER_IMAGE} \
-    --registry-config=/etc/host-containers/host-ctr.toml
+    --registry-config=/etc/host-containers/host-ctr.toml \
+    --skip-if-image-exists=true
diff --git a/packages/kubernetes-1.23/prestart-pull-pause-ctr.conf b/packages/kubernetes-1.23/prestart-pull-pause-ctr.conf
@@ -5,4 +5,5 @@ ExecStartPre=/usr/bin/host-ctr \
     --namespace=k8s.io \
     pull-image \
     --source=${POD_INFRA_CONTAINER_IMAGE} \
-    --registry-config=/etc/host-containers/host-ctr.toml
+    --registry-config=/etc/host-containers/host-ctr.toml \
+    --skip-if-image-exists=true
diff --git a/packages/kubernetes-1.24/prestart-pull-pause-ctr.conf b/packages/kubernetes-1.24/prestart-pull-pause-ctr.conf
@@ -5,4 +5,5 @@ ExecStartPre=/usr/bin/host-ctr \
     --namespace=k8s.io \
     pull-image \
     --source=${POD_INFRA_CONTAINER_IMAGE} \
-    --registry-config=/etc/host-containers/host-ctr.toml
+    --registry-config=/etc/host-containers/host-ctr.toml \
+    --skip-if-image-exists=true