第6章 OpenShift CLI コマンドリファレンス
このリファレンスは、OpenShift CLI (oc
) コマンドの説明とコマンド例を示しています。これらのコマンドを使用するには、cluster-admin
または同等のパーミッションが必要です。
oc adm -h
を実行して、すべての管理者コマンドを表示するか、oc <command> --help
を実行して、特定のコマンドに関する追加情報を取得します。
oc <command> --help
を使用すると、oc
コマンドの詳細が一覧表示されます。すべての oc
コマンドが Red Hat build of MicroShift の使用に適用されるわけではありません。
6.1. Red Hat build of MicroShift の oc コマンドリスト
以下に、Red Hat build of MicroShift ノードの管理、デプロイ、監視に使用できる oc
コマンドの例をいくつか示します。
6.1.1. oc apply
設定をファイル名または標準入力 (stdin) 別のリソースに適用します。
使用例
# Apply the configuration in pod.json to a pod oc apply -f ./pod.json # Apply resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml oc apply -k dir/ # Apply the JSON passed into stdin to a pod cat pod.json | oc apply -f - # Apply the configuration from all files that end with '.json' - i.e. expand wildcard characters in file names oc apply -f '*.json' # Note: --prune is still in Alpha # Apply the configuration in manifest.yaml that matches label app=nginx and delete all other resources that are not in the file and match label app=nginx oc apply --prune -f manifest.yaml -l app=nginx # Apply the configuration in manifest.yaml and delete all the other config maps that are not in the file oc apply --prune -f manifest.yaml --all --prune-whitelist=core/v1/ConfigMap
6.1.2. oc delete
ファイル名、stdin、リソースおよび名前、またはリソースおよびラベルセレクター別にリソースを削除します。
使用例
# Delete a pod using the type and name specified in pod.json oc delete -f ./pod.json # Delete resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml oc delete -k dir # Delete resources from all files that end with '.json' - i.e. expand wildcard characters in file names oc delete -f '*.json' # Delete a pod based on the type and name in the JSON passed into stdin cat pod.json | oc delete -f - # Delete pods and services with same names "baz" and "foo" oc delete pod,service baz foo # Delete pods and services with label name=myLabel oc delete pods,services -l name=myLabel # Delete a pod with minimal delay oc delete pod foo --now # Force delete a pod on a dead node oc delete pod foo --force # Delete all pods oc delete pods --all
6.1.3. oc get
1 つ以上のリソースを表示します。
使用例
# List all pods in ps output format oc get pods # List all pods in ps output format with more information (such as node name) oc get pods -o wide # List a single replication controller with specified NAME in ps output format oc get replicationcontroller web # List deployments in JSON output format, in the "v1" version of the "apps" API group oc get deployments.v1.apps -o json # List a single pod in JSON output format oc get -o json pod web-pod-13je7 # List a pod identified by type and name specified in "pod.yaml" in JSON output format oc get -f pod.yaml -o json # List resources from a directory with kustomization.yaml - e.g. dir/kustomization. oc get -k dir/ # Return only the phase value of the specified pod oc get -o template pod/web-pod-13je7 --template={{.status.phase}} # List resource information in custom columns oc get pod test-pod -o custom-columns=CONTAINER:.spec.containers[0].name,IMAGE:.spec.containers[0].image # List all replication controllers and services together in ps output format oc get rc,services # List one or more resources by their type and names oc get rc/web service/frontend pods/web-pod-13je7 # List status subresource for a single pod. oc get pod web-pod-13je7 --subresource status