Rancher 2.0のデータストアを覗く方法 ref: https://qiita.com/yamamoto-febc/items/498b911611dd25351ad7

file0.txt

sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher

file1.txt

# 起動したRancher2.0のコンテナIDを確認
$ docker ps
# execでコンテナ上でbash起動
$ docker exec -it <確認したコンテナID> bash

file2.txt

$ kubectl get crd

    NAME                                                            AGE
    apprevisions.project.cattle.io                                  3m
    apps.project.cattle.io                                          3m
    authconfigs.management.cattle.io                                3m
    catalogs.management.cattle.io                                   3m
    clusteralerts.management.cattle.io                              3m
    clustercomposeconfigs.management.cattle.io                      3m
    clusterevents.management.cattle.io                              3m
    clusterloggings.management.cattle.io                            3m
    clusterpipelines.management.cattle.io                           3m
    clusterregistrationtokens.management.cattle.io                  3m
    clusterroletemplatebindings.management.cattle.io                3m
    clusters.management.cattle.io                                   3m
    dynamicschemas.management.cattle.io                             3m
    globalcomposeconfigs.management.cattle.io                       3m
    globalrolebindings.management.cattle.io                         3m
    globalroles.management.cattle.io                                3m
    groupmembers.management.cattle.io                               3m
    groups.management.cattle.io                                     3m
    listenconfigs.management.cattle.io                              3m
    namespacecomposeconfigs.project.cattle.io                       3m
    nodedrivers.management.cattle.io                                3m
    nodepools.management.cattle.io                                  3m
    nodes.management.cattle.io                                      3m
    nodetemplates.management.cattle.io                              3m
    notifiers.management.cattle.io                                  3m
    pipelineexecutionlogs.management.cattle.io                      3m
    pipelineexecutions.management.cattle.io                         3m
    pipelines.management.cattle.io                                  3m
    podsecuritypolicytemplateprojectbindings.management.cattle.io   3m
    podsecuritypolicytemplates.management.cattle.io                 3m
    preferences.management.cattle.io                                3m
    projectalerts.management.cattle.io                              3m
    projectloggings.management.cattle.io                            3m
    projectnetworkpolicies.management.cattle.io                     3m
    projectroletemplatebindings.management.cattle.io                3m
    projects.management.cattle.io                                   3m
    roletemplates.management.cattle.io                              3m
    settings.management.cattle.io                                   3m
    sourcecodecredentials.management.cattle.io                      3m
    sourcecoderepositories.management.cattle.io                     3m
    templatecontents.management.cattle.io                           3m
    templates.management.cattle.io                                  3m
    templateversions.management.cattle.io                           3m
    tokens.management.cattle.io                                     3m
    users.management.cattle.io                                      3m

file3.txt

$ kubectl get <カスタムリソースの名前>

file4.txt

$ kubectl get settings.management.cattle.io

    NAME                      AGE
    agent-image               3m
    cacerts                   3m
    cli-url-darwin            3m
    cli-url-linux             3m
    cli-url-windows           3m
    engine-install-url        3m
    engine-iso-url            3m
    engine-newest-version     3m
    engine-supported-range    3m
    first-login               3m
    helm-version              3m
    ingress-ip-domain         3m
    install-uuid              3m
    k8s-version               3m
    k8s-version-to-images     3m
    machine-version           3m
    server-image              3m
    server-url                3m
    server-version            3m
    system-default-registry   3m
    system-namespaces         3m
    telemetry-opt             3m
    ui-feedback-form          3m
    ui-index                  3m
    ui-path                   3m
    ui-pl                     3m
    whitelist-domain          3m

file5.txt

# -oオプションでyaml形式を指定
$ kubectl get settings.management.cattle.io agent-image -o yaml

    apiVersion: management.cattle.io/v3
    customized: false
    default: rancher/rancher-agent:master
    kind: Setting
    metadata:
      clusterName: ""
      creationTimestamp: 2018-05-07T10:47:27Z
      deletionGracePeriodSeconds: null
      deletionTimestamp: null
      initializers: null
      name: agent-image
      namespace: ""
      resourceVersion: "286"
      selfLink: /apis/management.cattle.io/v3/agent-image
      uid: 08abd93e-51e4-11e8-b695-0242ac110002
    value: rancher/rancher-agent:v2.0.0

file6.txt

# watchオプションで変更検知
$ kubectl get settings.management.cattle.io -o yaml --watch