1.4.2. 署名の検証設定の確認
マシン設定をクラスターに適用すると、Machine Config Controller は新規の MachineConfig オブジェクトを検出し、新規の rendered-worker-<hash> バージョンを生成します。
前提条件
- マシン設定ファイルを使用して署名の検証を有効にしている。
手順
コマンドラインで以下のコマンドを実行し、必要なワーカーの情報を表示します。
$ oc describe machineconfigpool/worker
初期ワーカーモニターリングの出力例
Name: worker Namespace: Labels: machineconfiguration.openshift.io/mco-built-in= Annotations: <none> API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfigPool Metadata: Creation Timestamp: 2019-12-19T02:02:12Z Generation: 3 Resource Version: 16229 Self Link: /apis/machineconfiguration.openshift.io/v1/machineconfigpools/worker UID: 92697796-2203-11ea-b48c-fa163e3940e5 Spec: Configuration: Name: rendered-worker-f6819366eb455a401c42f8d96ab25c02 Source: API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 00-worker API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-container-runtime API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-kubelet API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 51-worker-rh-registry-trust API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-92697796-2203-11ea-b48c-fa163e3940e5-registries API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-ssh Machine Config Selector: Match Labels: machineconfiguration.openshift.io/role: worker Node Selector: Match Labels: node-role.kubernetes.io/worker: Paused: false Status: Conditions: Last Transition Time: 2019-12-19T02:03:27Z Message: Reason: Status: False Type: RenderDegraded Last Transition Time: 2019-12-19T02:03:43Z Message: Reason: Status: False Type: NodeDegraded Last Transition Time: 2019-12-19T02:03:43Z Message: Reason: Status: False Type: Degraded Last Transition Time: 2019-12-19T02:28:23Z Message: Reason: Status: False Type: Updated Last Transition Time: 2019-12-19T02:28:23Z Message: All nodes are updating to rendered-worker-f6819366eb455a401c42f8d96ab25c02 Reason: Status: True Type: Updating Configuration: Name: rendered-worker-d9b3f4ffcfd65c30dcf591a0e8cf9b2e Source: API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 00-worker API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-container-runtime API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-kubelet API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-92697796-2203-11ea-b48c-fa163e3940e5-registries API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-ssh Degraded Machine Count: 0 Machine Count: 1 Observed Generation: 3 Ready Machine Count: 0 Unavailable Machine Count: 1 Updated Machine Count: 0 Events: <none>oc describeコマンドを再度実行します。$ oc describe machineconfigpool/worker
ワーカーの更新後の出力例
... Last Transition Time: 2019-12-19T04:53:09Z Message: All nodes are updated with rendered-worker-f6819366eb455a401c42f8d96ab25c02 Reason: Status: True Type: Updated Last Transition Time: 2019-12-19T04:53:09Z Message: Reason: Status: False Type: Updating Configuration: Name: rendered-worker-f6819366eb455a401c42f8d96ab25c02 Source: API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 00-worker API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-container-runtime API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 01-worker-kubelet API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 51-worker-rh-registry-trust API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-92697796-2203-11ea-b48c-fa163e3940e5-registries API Version: machineconfiguration.openshift.io/v1 Kind: MachineConfig Name: 99-worker-ssh Degraded Machine Count: 0 Machine Count: 3 Observed Generation: 4 Ready Machine Count: 3 Unavailable Machine Count: 0 Updated Machine Count: 3 ...注記Observed Generationパラメーターは、コントローラーで作成される設定の生成に基づいて増加するカウントを表示します。このコントローラーは、仕様の処理とリビジョンの生成に失敗する場合でも、この値を更新します。Configuration Source値は51-worker-rh-registry-trust設定を参照します。以下のコマンドを使用して、
policy.jsonファイルが存在することを確認します。$ oc debug node/<node> -- chroot /host cat /etc/containers/policy.json
出力例
Starting pod/<node>-debug ... To use host binaries, run `chroot /host` { "default": [ { "type": "insecureAcceptAnything" } ], "transports": { "docker": { "registry.access.redhat.com": [ { "type": "signedBy", "keyType": "GPGKeys", "keyPath": "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release" } ], "registry.redhat.io": [ { "type": "signedBy", "keyType": "GPGKeys", "keyPath": "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release" } ] }, "docker-daemon": { "": [ { "type": "insecureAcceptAnything" } ] } } }以下のコマンドを使用して、
registry.redhat.io.yamlファイルが存在することを確認します。$ oc debug node/<node> -- chroot /host cat /etc/containers/registries.d/registry.redhat.io.yaml
出力例
Starting pod/<node>-debug ... To use host binaries, run `chroot /host` docker: registry.redhat.io: sigstore: https://registry.redhat.io/containers/sigstore以下のコマンドを使用して、
registry.access.redhat.com.yamlファイルが存在することを確認します。$ oc debug node/<node> -- chroot /host cat /etc/containers/registries.d/registry.access.redhat.com.yaml
出力例
Starting pod/<node>-debug ... To use host binaries, run `chroot /host` docker: registry.access.redhat.com: sigstore: https://access.redhat.com/webassets/docker/content/sigstore
