OKD 4 : Configure Image Registry : emptyDIR2022/04/21 |
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After building OKD 4 Cluster like this tutorials, Image Registry is not configured yet.
So Configure Image Registry to pull container images.
On this example, it shows to configure emptyDIR as Image Registry.
OKD 4 Cluster is based on the environment like follows.
--------------+----------------+-----------------+--------------
|10.0.0.25 | |10.0.0.24
+-------------+-------------+ | +--------------+-------------+
| [mgr.okd4.srv.world] | | | [bootstrap.okd4.srv.world] |
| Manager Node | | | Bootstrap Node |
| DNS | | | |
| Nginx | | | |
+---------------------------+ | +----------------------------+
|
--------------+----------------+-----------------+--------------
|10.0.0.40 | |10.0.0.41
+-------------+-------------+ | +--------------+-------------+
| [master-0.okd4.srv.world] | | | [master-1.okd4.srv.world] |
| Control Plane#1 | | | Control Plane#2 |
| | | | |
| | | | |
+---------------------------+ | +----------------------------+
|
--------------+----------------+
|10.0.0.42
+-------------+-------------+
| [master-2.okd4.srv.world] |
| Control Plane#3 |
| |
| |
+---------------------------+
|
| [1] | On Manager Node, Configure Image Registry. After setting it, [image-registry] Pod will start. |
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[root@mgr ~]# oc get pods -n openshift-image-registry NAME READY STATUS RESTARTS AGE cluster-image-registry-operator-6754c97c5b-k7gjg 1/1 Running 1 117m node-ca-ccvkb 1/1 Running 0 62m node-ca-nv8ws 1/1 Running 0 81m node-ca-rf8l7 1/1 Running 0 81m
[root@mgr ~]#
[root@mgr ~]# oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}' config.imageregistry.operator.openshift.io/cluster patched [root@mgr ~]# oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"managementState":"Managed"}}' config.imageregistry.operator.openshift.io/cluster patched oc get pods -n openshift-image-registry NAME READY STATUS RESTARTS AGE cluster-image-registry-operator-6754c97c5b-k7gjg 1/1 Running 1 119m image-registry-c8664dbcd-wlzp7 1/1 Running 0 49s node-ca-ccvkb 1/1 Running 0 63m node-ca-nv8ws 1/1 Running 0 83m node-ca-rf8l7 1/1 Running 0 83m |
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