{"id":126,"date":"2017-03-30T15:55:40","date_gmt":"2017-03-30T07:55:40","guid":{"rendered":"http:\/\/www.jsjs.org\/?p=126"},"modified":"2017-03-30T15:55:40","modified_gmt":"2017-03-30T07:55:40","slug":"kubernetes%e4%bb%8eprivate-registry%e4%b8%ad%e6%8b%89%e5%8f%96%e5%ae%b9%e5%99%a8%e9%95%9c%e5%83%8f%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=126","title":{"rendered":"Kubernetes\u4ecePrivate Registry\u4e2d\u62c9\u53d6\u5bb9\u5668\u955c\u50cf\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>\u8bdd\u63a5\u4e0a\u6587\uff0c\u5728\u300a<a href=\"http:\/\/tonybai.com\/2016\/11\/09\/operate-ceph-rbd-images-with-go-ceph\/\">\u4f7f\u7528go-ceph\u7ba1\u7406Ceph RBD\u6620\u50cf<\/a>\u300b\u4e00\u6587\u4e2d\u6211\u4eec\u63d0\u5230\u4e86\uff0c\u6211\u4eec\u9700\u8981\u81ea\u5efa\u4e00\u4e2aceph rbd api service\u7528\u4e8e\u7ed9\u6211\u7684\u4ea7\u54c1\u63a7\u5236\u53f0\u63d0\u4f9bRESTful API\u670d\u52a1\u63a5\u53e3\u3002\u8fd9\u4e2a\u670d\u52a1\u6211\u4e5f\u662f\u6253\u7b97\u653e\u5728kubernetes\u96c6\u7fa4\u4e2d\u4f5c\u4e3a\u4e00\u4e2aService\u8fd0\u884c\u7684\u3002\u8fd9\u4e24\u5929\u5b8c\u6210\u4e86\u8fd9\u4e2a\u670d\u52a1\u5f00\u53d1\uff0c\u5e76\u7f16\u5199\u5b8cService\u7684Dockerfile\uff0c\u5c06\u955c\u50cfbuild, tag\u5e76push\u5230\u4e86\u6211\u4eec\u5728\u963f\u91cc\u4e91\u7684\u79c1\u6709\u955c\u50cf\u5e93\u3002\u4f46\u5728\u901a\u8fc7kubectl\u521b\u5efa\u8fd9\u4e2aService\u65f6\uff0c\u6211\u4eec\u9047\u5230\u4e86 ErrImagePull\u3001ImagePullBackOff\u7b49Pod status\uff0c\u901a\u8fc7kubectl describe pod\/{MyPod}\u547d\u4ee4\u67e5\u770b\uff0c\u53d1\u73b0\u4e0b\u9762\u9519\u8bef\u63d0\u793a\uff1a<\/p>\n<pre><code>  23s    5s    2    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api}    Warning    Failed        Failed to pull image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\": image pull failed for registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest, this may be because there are no credentials on this request.  details: (Error: image xxxx\/rbd-rest-api:latest not found)\n<\/code><\/pre>\n<p>\u9762\u524d\u8fd9\u4e2a\u5751\u5c31\u662fKubernetes\u96c6\u7fa4\u5982\u4f55\u4ecePrivate Registry\u83b7\u53d6\u5bb9\u5668\u955c\u50cf\u7684\u95ee\u9898\u3002\u5173\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c<a href=\"http:\/\/kubernetes.io\/docs\">K8s\u5b98\u65b9\u6587\u6863<\/a>\u6709\u8f83\u4e3a<a href=\"http:\/\/kubernetes.io\/docs\/user-guide\/images\/#using-a-private-registry\">\u8be6\u7ec6\u7684\u8bf4\u660e<\/a>\uff0c\u4f46\u586b\u8fc7\u5751\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u90a3\u4e9b\u8bf4\u660e\u8fd8\u662f\u8fdc\u8fdc\u4e0d\u591f\u7684\uff0c\u5b9e\u8df5\u4e2d\u4f60\u4f1a\u78b0\u5230\u5f88\u591a\u610f\u60f3\u4e0d\u5230\u7684\u95ee\u9898\u3002\u8fd9\u91cc\u5c31\u6765\u7ed3\u5408\u5b9e\u9645\u64cd\u4f5c\u8bf4\u8bf4K8s\u4e0e\u79c1\u6709\u5bb9\u5668\u955c\u50cf\u4ed3\u5e93\u662f\u5982\u4f55\u5728\u4e00\u8d77\u6b22\u4e50\u7684\u5de5\u4f5c\u7684^_^\u3002<\/p>\n<h4>\u4e00\u3001\u73af\u5883<\/h4>\n<p>\u7531\u4e8e<a href=\"http:\/\/tonybai.com\/tag\/kubernetes\">Kubernetes<\/a>\u548c<a href=\"http:\/\/tonybai.com\/tag\/docker\">Docker<\/a>\u90fd\u5728Active Develop\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e24\u4e2a\u9879\u76ee\u7684\u53d8\u52a8\u90fd\u5f88\u5feb\uff0c\u56e0\u6b64\uff0c\u7279\u5b9a\u7684\u64cd\u4f5c\u548c\u8bf4\u660e\u5728\u67d0\u4e9b\u7248\u672c\u662f\u597d\u7528\u7684\uff0c\u4f46\u5bf9\u53e6\u5916\u4e00\u4e9b\u7248\u672c\u5374\u662f\u4e0d\u7075\u5149\u7684\u3002\u8fd9\u91cc\u5148\u628a\u73af\u5883\u786e\u5b9a\u6e05\u695a\uff0c\u907f\u514d\u8bef\u5bfc\u3002<\/p>\n<pre><code>OS\uff1a\nUbuntu 14.04.4 LTS Kernel\uff1a3.19.0-70-generic #78~14.04.1-Ubuntu SMP Fri Sep 23 17:39:18 UTC 2016 x86_64 x86_64 x86_64 GNU\/Linux\n\nDocker\uff1a\n# docker version\nClient:\n Version:      1.12.2\n API version:  1.24\n Go version:   go1.6.3\n Git commit:   bb80604\n Built:        Tue Oct 11 17:00:50 2016\n OS\/Arch:      linux\/amd64\n\nServer:\n Version:      1.12.2\n API version:  1.24\n Go version:   go1.6.3\n Git commit:   bb80604\n Built:        Tue Oct 11 17:00:50 2016\n OS\/Arch:      linux\/amd64\n\nKubernetes\u96c6\u7fa4\uff1a1.3.7\n\n\u79c1\u6709\u955c\u50cf\u4ed3\u5e93\uff1a\u963f\u91cc\u4e91\u955c\u50cf\u4ed3\u5e93\n\nDocker\u955c\u50cf\uff1a\u975e\u516c\u5171\u955c\u50cf\uff0c\u5927\u5bb6\u5728\u6d4b\u8bd5\u4e2d\u53ef\u4ee5\u5728\u81ea\u5df1\u7684\u79c1\u6709\u4ed3\u5e93\u5efa\u7acb\u81ea\u5df1\u7684\u6d4b\u8bd5\u955c\u50cf\nregistry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n\n<\/code><\/pre>\n<p>Kubernets\u5728\u6587\u6863\u4e2d\u63cf\u8ff0\u4e86\u51e0\u79cd\u8bbf\u95ee\u79c1\u6709\u4ed3\u5e93\u7684\u65b9\u6cd5\uff0c\u8fd9\u91cc\u6311\u9009\u4e86\u90a3\u4e9b\u53ef\u64cd\u4f5c\u7684\uff0c\u9010\u4e00\u6d4b\u8bd5\u4e00\u4e0b\u3002<\/p>\n<h4>\u4e8c\u3001\u65b9\u6cd51\uff1a\u5229\u7528Node\u4e0a\u7684\u914d\u7f6e\u8bbf\u95eePrivate Registry<\/h4>\n<p>\u5728\u73a9Docker\u65f6\uff0c\u5f88\u591a\u670b\u53cb\u90fd<a href=\"http:\/\/tonybai.com\/2016\/02\/26\/deploy-a-private-docker-registry\/\">\u642d\u5efa\u8fc7\u81ea\u5df1\u7684Private Registry<\/a>\u3002Docker\u8bbf\u95ee\u90a3\u4e9b\u4ee5basic auth\u65b9\u5f0f\u8fdb\u884c\u9274\u6743\u7684Private Registry\uff0c\u53ea\u9700\u5728\u672c\u5730\u6267\u884cdocker login\uff0c\u8f93\u5165\u7528\u6237\u540d\u3001\u5bc6\u7801\u540e\uff0c\u5c31\u53ef\u4ee5\u81ea\u7531\u5411Registry Push\u955c\u50cf\u6216pull \u955c\u50cf\u5230\u672c\u5730\u4e86\uff1a<\/p>\n<pre><code># docker login registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\nUsername: {UserName}\nPassword:\nLogin Succeeded\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e00\u8fc7\u7a0b\u7ed3\u675f\u540e\uff0cDocker\u5b9e\u9645\u4e0a\u4f1a\u5728~\/.docker\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2aconfig.json\u6587\u4ef6\uff0c\u4fdd\u5b58\u540e\u7eed\u4e0eRegistry\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u6240\u8981\u4f7f\u7528\u7684\u9274\u6743\u4e32\uff08\u8fd9\u4e2a\u9274\u6743\u4e32\u53ea\u662f\u4e00\u4e2abase64\u7f16\u7801\u7ed3\u679c\uff0c\u5b89\u5168\u6027\u6b20\u4f73^_^\uff09\uff1a<\/p>\n<pre><code># cat ~\/.docker\/config.json\n{\n    \"auths\": {\n        \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\": {\n            \"auth\": \"xxxxyyyyzzzz\"\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u4e00\u4f46Node\u4e0a\u6709\u4e86\u8fd9\u4e2a\u914d\u7f6e\uff0c\u90a3\u4e48K8s\u5c31\u53ef\u4ee5\u901a\u8fc7docker\u76f4\u63a5\u8bbf\u95eePrivate Registry\u4e86\uff0c\u8fd9\u662f<a href=\"http:\/\/kubernetes.io\/docs\/user-guide\/images\/#using-a-private-registry\">K8s\u6587\u6863\u4e2d\u4e0e\u79c1\u6709\u955c\u50cf\u4ed3\u5e93\u4ea4\u4e92\u7684\u7b2c\u4e00\u4e2a\u65b9\u6cd5<\/a>\u3002\u8003\u8651\u5230Pod\u53ef\u4ee5\u88ab\u8c03\u5ea6\u5230\u96c6\u7fa4\u4e2d\u7684\u4efb\u610f\u4e00\u4e2aNode\u4e0a\uff0c\u9700\u8981\u5728\u6bcf\u4e2aNode\u4e0a\u6267\u884c\u4e0a\u8ff0login\u64cd\u4f5c\uff0c\u6216\u8005\u53ef\u4ee5\u7b80\u5355\u5730\u5c06~\/.docker\/config.json scp\u5230\u5404\u4e2anode\u4e0a\u7684~\/.docker\u76ee\u5f55\u4e0b\u3002<\/p>\n<p>\u5b9e\u9645\u6548\u679c\u5982\u4f55\u5462? \u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aPod yaml\uff0c\u6d4b\u8bd5\u4e00\u4e0b\u662f\u5426\u80fdrun\u8d77\u6765\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-using-node-config.yaml\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-using-node-config\nspec:\n  containers:\n  - name: rbd-rest-api-using-node-config\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n<\/code><\/pre>\n<p>\u6211\u4eec\u6765\u521b\u5efa\u4e00\u4e0b\u8fd9\u4e2aPod\u5e76\u67e5\u770bpod\u7684\u521b\u5efa\u72b6\u6001\uff1a<\/p>\n<pre><code># kubectl create -f rbd-rest-api-using-node-config.yaml\npod \"rbd-rest-api-using-node-config\" created\n# kubectl get pods\nNAME                             READY     STATUS             RESTARTS   AGE\nrbd-rest-api-using-node-config   0\/1       ErrImagePull       0          5s\n<\/code><\/pre>\n<p>\u901a\u8fc7describe\u67e5\u770bPod\u5931\u8d25\u7684\u8be6\u7ec6\u4fe1\u606f\uff1a<\/p>\n<pre><code># kubectl describe pod\/rbd-rest-api-using-node-config\n... ...\n\nEvents:\n  FirstSeen    LastSeen    Count    From            SubobjectPath                    Type        Reason        Message\n  ---------    --------    -----    ----            -------------                    --------    ------        -------\n  1m        1m        1    {default-scheduler }                            Normal        Scheduled    Successfully assigned rbd-rest-api-using-node-config to 10.66.181.146\n  1m        42s        3    {kubelet 10.66.181.146}    spec.containers{rbd-rest-api-using-node-config}    Normal        Pulling        pulling image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\"\n  1m        42s        3    {kubelet 10.66.181.146}    spec.containers{rbd-rest-api-using-node-config}    Warning        Failed        Failed to pull image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\": image pull failed for registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest, this may be because there are no credentials on this request.  details: (Error: image xxxx\/rbd-rest-api:latest not found)\n  1m        42s        3    {kubelet 10.66.181.146}                            Warning        FailedSync    Error syncing pod, skipping: failed to \"StartContainer\" for \"rbd-rest-api-using-node-config\" with ErrImagePull: \"image pull failed for registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest, this may be because there are no credentials on this request.  details: (Error: image xxxx\/rbd-rest-api:latest not found)\"\n... ...\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u5bf9\u6211\u4eec\u7684\u73af\u5883\u5e76\u4e0d\u6709\u6548\u3002\u5e76\u4e14\u7ecf\u8fc7\u591a\u6b21\u6d4b\u8bd5\uff0c\u7ed3\u679c\u4f9d\u65e7\uff0cK8s\u65e0\u6cd5\u4ecePrivate Registry\u83b7\u53d6\u6211\u4eec\u60f3\u8981\u7684\u955c\u50cf\u6587\u4ef6:(\u3002<\/p>\n<h4>\u4e09\u3001\u65b9\u6cd52\uff1a\u901a\u8fc7kubectl\u521b\u5efadocker-registry\u7684secret<\/h4>\n<p>K8s\u63d0\u4f9b\u7684\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7kubectl\u521b\u5efa\u4e00\u4e2a docker-registry\u7684secret\uff0c\u5e76\u5728Pod\u63cf\u8ff0\u6587\u4ef6\u4e2d\u5f15\u7528\u8be5secret\u4ee5\u8fbe\u5230\u4ecePrivate Registry Pull Image\u7684\u76ee\u7684\u3002<\/p>\n<p>\u64cd\u4f5c\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u5220\u9664\u6389\u5404\u4e2aNode\u4e0a\u7684~\/.docker\/config.json\u3002<\/p>\n<p>\u6267\u884ckubectl create secret docker-registry\u65f6\u9700\u8981\u63d0\u4f9bprivate registry\u7684\u8bbf\u95eeUserName\u548cPassword\uff1a<\/p>\n<pre><code># kubectl create secret docker-registry registrykey-m2-1 --docker-server=registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api --docker-username={UserName} --docker-password={Password} --docker-email=team@domain.com\nsecret \"registrykey-m2-1\" created\n\n# kubectl get secret\nNAME                  TYPE                                  DATA      AGE\nregistrykey-m2-1      kubernetes.io\/dockercfg               1         29s\n<\/code><\/pre>\n<p>secret: registrykey-m2-1\u521b\u5efa\u6210\u529f\u3002\u6211\u4eec\u6765\u6d4b\u8bd5\u4e00\u4e0b\u5f15\u7528\u8fd9\u4e2asecret\u5bf9\u8c61\u7684Pod\u662f\u5426\u80fdPull Image\u6210\u529f\u5e76Run\u8d77\u6765\u3002Pod yaml\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-registrykey-m2-1.yaml\n\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-registrykey-m2-1\nspec:\n  containers:\n  - name: rbd-rest-api-registrykey-m2-1\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n  imagePullSecrets:\n  - name: registrykey-m2-1\n\n<\/code><\/pre>\n<p>\u521b\u5efaPod\uff0c\u5e76\u89c2\u5bdfPod\u72b6\u6001\uff1a<\/p>\n<pre><code># kubectl create -f rbd-rest-api-registrykey-m2-1.yaml\npod \"rbd-rest-api-registrykey-m2-1\" created\n\n# kubectl get pods\nNAME                             READY     STATUS             RESTARTS   AGE\nrbd-rest-api-registrykey-m2-1    1\/1       Running            0          7s\nrbd-rest-api-using-node-config   0\/1       ImagePullBackOff   0          29m\n<\/code><\/pre>\n<p>\u901a\u8fc7describe pod\uff0c\u67e5\u770b\u521b\u5efa\u7684event\u5e8f\u5217\uff1a<\/p>\n<pre><code>Events:\n  FirstSeen    LastSeen    Count    From            SubobjectPath                    Type        Reason        Message\n  ---------    --------    -----    ----            -------------                    --------    ------        -------\n  1m        1m        1    {default-scheduler }                            Normal        Scheduled    Successfully assigned rbd-rest-api-registrykey-m2-1 to 10.57.136.60\n  1m        1m        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-registrykey-m2-1}    Normal        Pulling        pulling image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\"\n  1m        1m        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-registrykey-m2-1}    Normal        Pulled        Successfully pulled image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\"\n  1m        1m        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-registrykey-m2-1}    Normal        Created        Created container with docker id d842565e762d\n  1m        1m        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-registrykey-m2-1}    Normal        Started        Started container with docker id d842565e762d\n<\/code><\/pre>\n<p>\u6b63\u5982\u6211\u4eec\u671f\u671b\u7684\u90a3\u6837\uff0c\u5f15\u7528\u4e86secret: registrykey-m2-1\u7684Pod\u6210\u529fRun\u8d77\u6765\u4e86\u3002<\/p>\n<p>\u5982\u679c\u4e00\u4e2apod\u4e2d\u6709\u6765\u81ea\u4e0d\u540c\u79c1\u6709\u4ed3\u5e93\u7684\u4e0d\u540c\u955c\u50cf\uff0c\u6211\u4eec\u9700\u8981\u600e\u4e48\u505a\u5462\uff1f\u901a\u8fc7kubectl create secret docker-registry\u6211\u4eec\u4e00\u6b21\u53ea\u80fd\u5efa\u7acb\u4e00\u4e2aregistrykey\uff0c\u5982\u679c\u8981\u8bbf\u95ee\u4e24\u4e2a\u955c\u50cf\u4ed3\u5e93\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5206\u522b\u4e3a\u6bcf\u4e2a\u4ed3\u5e93\u521b\u5efa\u4e00\u4e2aregistrykey\u3002\u6211\u4eec\u518d\u6765\u521b\u5efa\u4e00\u4e2aregistrykey\uff0c\u5bf9\u5e94\u7684\u4ed3\u5e93\u4e3a\uff1aregistry.cn-hangzhou.aliyuncs.com\/xxxx\/test\uff1a<\/p>\n<pre><code># kubectl create secret docker-registry registrykey-m2-2 --docker-server=registry.cn-hangzhou.aliyuncs.com\/xxxx\/test --docker-username={UserName} --docker-password={Password} --docker-email=team@domain.com\nsecret \"registrykey-m2-2\" created\n\nroot@node1:~\/pullimagetest\/test# kubectl get secret\nNAME                  TYPE                                  DATA      AGE\nregistrykey-m2-1      kubernetes.io\/dockercfg               1         1h\nregistrykey-m2-2      kubernetes.io\/dockercfg               1         6s\n\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u5efa\u4e00\u4e2a\u5305\u542b\u591a\u4e2acontainer\u7684Pod\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-multi-registrykeys-m2-2.yaml\n\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-multi-registrykeys-m2-2\nspec:\n  containers:\n  - name: rbd-rest-api-multi-registrykeys-m2-2\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n  - name: test-multi-registrykeys-m2-2\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/test:latest\n    imagePullPolicy: Always\n    command:\n       - \"tail\"\n       - \"-f\"\n       - \"\/var\/log\/bootstrap.log\"\n  imagePullSecrets:\n  - name: registrykey-m2-1\n  - name: registrykey-m2-2\n<\/code><\/pre>\n<p>\u5728secret\u5f15\u7528\u4e2d\uff0c\u6211\u4eec\u5c06\u4e24\u4e2akey\u90fd\u5f15\u7528\u4e86\u8fdb\u6765\u3002<\/p>\n<p>\u521b\u5efa\u8be5Pod\uff1a<\/p>\n<pre><code># kubectl create -f rbd-rest-api-multi-registrykeys-m2-2.yaml\npod \"rbd-rest-api-multi-registrykeys-m2-2\" created\n\n# kubectl get pod\nNAME                                   READY     STATUS             RESTARTS   AGE\nrbd-rest-api-multi-registrykeys-m2-2   2\/2       Running            0          5s\n<\/code><\/pre>\n<p>\u901a\u8fc7pod\u7684event\uff0c\u6211\u4eec\u770b\u770b\u542f\u52a8\u7684\u64cd\u4f5c\u987a\u5e8f\uff1a<\/p>\n<pre><code>Events:\n  FirstSeen    LastSeen    Count    From            SubobjectPath                        Type        Reason        Message\n  ---------    --------    -----    ----            -------------                        --------    ------        -------\n  44s        44s        1    {default-scheduler }                                Normal        Scheduled    Successfully assigned rbd-rest-api-multi-registrykeys-m2-2 to 10.57.136.60\n  43s        43s        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-multi-registrykeys-m2-2}    Normal        Pulling        pulling image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\"\n  43s        43s        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-multi-registrykeys-m2-2}    Normal        Pulled        Successfully pulled image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\"\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-multi-registrykeys-m2-2}    Normal        Created        Created container with docker id 7c09048a41f6\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{rbd-rest-api-multi-registrykeys-m2-2}    Normal        Started        Started container with docker id 7c09048a41f6\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{test-multi-registrykeys-m2-2}        Normal        Pulling        pulling image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/test:latest\"\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{test-multi-registrykeys-m2-2}        Normal        Pulled        Successfully pulled image \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/test:latest\"\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{test-multi-registrykeys-m2-2}        Normal        Created        Created container with docker id 9930834fe4a3\n  42s        42s        1    {kubelet 10.57.136.60}    spec.containers{test-multi-registrykeys-m2-2}        Normal        Started        Started container with docker id 9930834fe4a3\n<\/code><\/pre>\n<p>k8s\u5206\u522b\u4ece\u4e24\u4e2a\u955c\u50cf\u4ed3\u5e93\u5c1d\u8bd5pull image\uff0c\u5e76\u4e14\u6700\u7ec8\u90fd\u6210\u529f\u4e86\uff01<\/p>\n<h4>\u56db\u3001\u65b9\u6cd53\uff1a\u901a\u8fc7secret yaml\u6587\u4ef6\u521b\u5efapull image\u6240\u7528\u7684secret<\/h4>\n<p>\u9664\u4e86\u4e0a\u9762\u901a\u8fc7kubectl\u53ef\u4ee5\u5feb\u6377\u7684\u521b\u5efapull image\u6240\u7528\u7684secret\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5e38\u89c4\u7684\u624b\u6bb5-yaml\u63cf\u8ff0\u6587\u4ef6\u6765\u521b\u5efa\u6211\u4eec\u9700\u8981\u7684secret\u8d44\u6e90\u3002<\/p>\n<pre><code>\/\/registrykey-m3-1.yaml\napiVersion: v1\nkind: Secret\nmetadata:\n  name: registrykey-m3-1\n  namespace: default\ndata:\n    .dockerconfigjson: {base64 -w 0 ~\/.docker\/config.json}\ntype: kubernetes.io\/dockerconfigjson\n<\/code><\/pre>\n<p>\u524d\u9762\u8bf4\u8fc7docker login\u4f1a\u5728~\/.docker\u4e0b\u9762\u521b\u5efa\u4e00\u4e2aconfig.json\u6587\u4ef6\u4fdd\u5b58\u9274\u6743\u4e32\uff0c\u8fd9\u91ccsecret yaml\u7684.dockerconfigjson\u540e\u9762\u7684\u6570\u636e\u5c31\u662f\u90a3\u4e2ajson\u6587\u4ef6\u7684base64\u7f16\u7801\u8f93\u51fa\uff08-w 0\u8ba9base64\u8f93\u51fa\u5728\u5355\u884c\u4e0a\uff0c\u907f\u514d\u6298\u884c\uff09\u3002<\/p>\n<p>\u521b\u5efaregistrykey-m3-1 secret\uff1a<\/p>\n<pre><code># kubectl create -f registrykey-m3-1.yaml\nsecret \"registrykey-m3-1\" created\n\n# kubectl get secret\nNAME                  TYPE                                  DATA      AGE\nmyregistrykey3        kubernetes.io\/dockerconfigjson        1         3h\nregistrykey-m2-1      kubernetes.io\/dockercfg               1         1h\nregistrykey-m2-2      kubernetes.io\/dockercfg               1         23m\nregistrykey-m3-1      kubernetes.io\/dockerconfigjson        1         29s\n<\/code><\/pre>\n<p>\u5bf9\u6bd4\u540e\uff0c\u6211\u4eec\u53d1\u73b0\u901a\u8fc7kubectl\u548cyaml\u521b\u5efa\u7684\u4e24\u4e2aregistrykey secret\u7684\u7c7b\u578b\u7565\u6709\u4e0d\u540c\uff0c\u524d\u8005\u662fkubernetes.io\/dockercfg\uff0c\u540e\u8005\u662fkubernetes.io\/dockerconfigjson\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u5f15\u7528\u4e86registrykey-m3-1\u7684Pod\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-registrykey-m3-1.yaml\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-registrykey-m3-1\nspec:\n  containers:\n  - name: rbd-rest-api-registrykey-m3-1\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n  imagePullSecrets:\n  - name: registrykey-m3-1\n<\/code><\/pre>\n<p>\u521b\u5efaPod\uff1a<\/p>\n<pre><code># kubectl create -f rbd-rest-api-registrykey-m3-1.yaml\npod \"rbd-rest-api-registrykey-m3-1\" created\n# kubectl get pods\nNAME                            READY     STATUS             RESTARTS   AGE\nrbd-rest-api-registrykey-m3-1   1\/1       Running            0          8s\n<\/code><\/pre>\n<p>\u521b\u5efa\u6210\u529f\u3002<\/p>\n<p>\u90a3\u4e48\u8fd9\u79cd\u65b9\u6cd5\u5982\u4f55\u5e94\u5bf9\u542b\u6709\u6765\u81ea\u591a\u4e2a\u955c\u50cf\u4ed3\u5e93container\u7684Pod\u7684\u5462\uff1f\u8fd9\u91cc\u7684\u601d\u8def\u4e0e\u65b9\u6cd52\u7565\u6709\u4e0d\u540c\u3002\u6211\u4eec\u4e0d\u9700\u8981\u521b\u5efa\u5e76\u5f15\u7528\u4e24\u4e2a\u6216\u591a\u4e2asecret\uff0c\u800c\u662f\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u8bbf\u95ee\u591a\u4e2a\u79c1\u6709\u955c\u50cf\u4ed3\u5e93\u7684secret\uff0c\u6211\u4eec\u9700\u8981\u5c06\u591a\u4e2a\u955c\u50cf\u4ed3\u5e93\u7684\u8bbf\u95ee\u9274\u6743\u4e32\u90fd\u653e\u5230~\/.docker\/config.json\u4e2d\uff1a<\/p>\n<p>\u6309\u7167\u65b9\u6cd51\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5148login registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\uff0c\u5f97\u5230config.json\u5982\u4e0b\uff1a<\/p>\n<pre><code>{\n    \"auths\": {\n        \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\": {\n            \"auth\": \"....\u7701\u7565....\"\n        }\n    }\n}\n\n<\/code><\/pre>\n<p>\u6211\u4eec\u518dlogin registry.cn-hangzhou.aliyuncs.com\/xxxx\/test\uff0c\u5f97\u5230config.json\u5982\u4e0b\uff1a<\/p>\n<pre><code>{\n    \"auths\": {\n        \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\": {\n            \"auth\": \"....\u7701\u7565....\"\n        },\n        \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/test\": {\n            \"auth\": \"....\u7701\u7565....\"\n        }\n    }\n}\n\n<\/code><\/pre>\n<p>\u6211\u4eec\u770b\u5230Docker\u81ea\u52a8\u5c06\u65b0login\u7684private registry\u7684\u9274\u6743\u4e32merge\u5230\u4e86\u540c\u4e00\u4e2aconfig.json\u4e2d\u4e86\u3002\u73b0\u5728\u6211\u4eec\u57fa\u4e8e\u8be5\u5305\u542b\u4e86\u4e24\u4e2a\u5e93\u9274\u6743\u4e32\u7684config.json\u521b\u5efa\u4e00\u4e2a\u65b0secret\uff1aregistrykey-m3-2\uff1a<\/p>\n<pre><code>\/\/registrykey-m3-2.yaml\n\napiVersion: v1\nkind: Secret\nmetadata:\n  name: registrykey-m3-2\n  namespace: default\ndata:\n  .dockerconfigjson: {base64 -w 0 ~\/.docker\/config.json}\ntype: kubernetes.io\/dockerconfigjson\n\n<\/code><\/pre>\n<p>\u521b\u5efasecret: registrykey-m3-2<\/p>\n<pre><code># kubectl create -f registrykey-m3-2.yaml\nsecret \"registrykey-m3-2\" created\n\n# kubectl get secrets\nNAME                  TYPE                                  DATA      AGE\nregistrykey-m2-1      kubernetes.io\/dockercfg               1         1h\nregistrykey-m2-2      kubernetes.io\/dockercfg               1         42m\nregistrykey-m3-1      kubernetes.io\/dockerconfigjson        1         19m\nregistrykey-m3-2      kubernetes.io\/dockerconfigjson        1         6s\n\n<\/code><\/pre>\n<p>\u6211\u4eec\u7f16\u8f91\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u5bb9\u5668\uff0c\u5f15\u7528secret \u201cregistrykey-m3-2\u2033 \u7684Pod yaml\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-multi-registrykeys-m3-2.yaml\n\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-multi-registrykeys-m3-2\nspec:\n  containers:\n  - name: rbd-rest-api-multi-registrykeys-m3-2\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n  - name: test-multi-registrykeys-m3-2\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/test:latest\n    imagePullPolicy: Always\n    command:\n       - \"tail\"\n       - \"-f\"\n       - \"\/var\/log\/bootstrap.log\"\n  imagePullSecrets:\n  - name: registrykey-m3-2\n<\/code><\/pre>\n<p>\u521b\u5efa\u8be5Pod\uff1a<\/p>\n<pre><code># kubectl create -f rbd-rest-api-multi-registrykeys-m3-2.yaml\npod \"rbd-rest-api-multi-registrykeys-m3-2\" created\n\n# kubectl get pod\nNAME                                   READY     STATUS             RESTARTS   AGE\nrbd-rest-api-multi-registrykeys-m3-2   2\/2       Running            0          4s\n<\/code><\/pre>\n<p>Pod\u521b\u5efa\u6210\u529f\uff01<\/p>\n<h4>\u4e94\u3001\u8c03\u7528API\u521b\u5efaregistrykey secret<\/h4>\n<p>\u5bf9\u6bd4\u4e86\u65b9\u6cd52\u548c\u65b9\u6cd53\uff0c\u65b9\u6cd52\u66f4\u7b80\u6d01\uff0c\u65b9\u6cd53\u66f4\u5f3a\u5927\u3002\u4f46\u5728\u4efb\u4f55\u4e00\u4e2a\u4ea7\u54c1\u4e2d\uff0csecret\u90fd\u4e0d\u5e94\u8be5\u662f\u624b\u52a8\u521b\u5efa\u7684\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c<a href=\"http:\/\/kubernetes.io\/docs\/api-reference\/v1\/operations\/\">API<\/a>\u521b\u5efa<a href=\"http:\/\/kubernetes.io\/docs\/api-reference\/v1\/definitions\/#_v1_secret\">registrykey secret<\/a>\u4fbf\u662f\u5fc5\u7ecf\u4e4b\u8def\u3002\u4e00\u65e6\u9009\u62e9\u901a\u8fc7API\u521b\u5efa\uff0c\u6211\u4eec\u663e\u7136\u5c06\u4f9d\u4ed7\u7740\u65b9\u6cd52\u4e2d\u7684\u539f\u7406\uff0c\u5c06config.json\u4e2d\u7684\u5185\u5bb9\u901a\u8fc7API\u8bf7\u6c42\u7684Body Post\u7ed9K8s api server\u3002<\/p>\n<p>\u5982\u4f55\u5728\u8fdc\u7aef\u6784\u5efa\u51faconfig.json\u7684\u5185\u5bb9\u5462\u7ee7\u800c\u6784\u5efa\u51fasecret yaml\u4e2d.dockerconfigjson\u7684\u503c\u6570\u636e\u5462\uff1f\u6211\u4eec\u53d1\u73b0config.json\u5957\u8def\u4e2d\uff0c\u552f\u4e00\u4e0d\u786e\u5b9a\u7684\u5c31\u662f\u6bcf\u4e2aprivate repository\u4e0b\u7684auth\u4e32\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4e32\u662f\u5565\u5462\uff1f\u4f60\u5927\u53efbase64 -d\u4e00\u4e0b\uff1a<\/p>\n<pre><code># echo -n \"VXNlck5hbWU6UGFzc3dvcmQ=\"|base64 -d\nUserName:Password\n<\/code><\/pre>\n<p>\u6ca1\u9519\uff0c\u5b9e\u8d28\u4e0a\u8fd9\u4e2aauth\u4e32\u5c31\u662fUserName:Password\u7684base64\u7f16\u7801\u503c\u3002\u56e0\u6b64\uff0c\u4f60\u9996\u5148\u8981\u7528\u67d0\u4e2a\u4ed3\u5e93\u7684UserName\u548cPassword\u6309\u7167\u2019UserName:Password\u2019\u683c\u5f0f\u8fdb\u884cbase64\u7f16\u7801\uff0c\u5229\u7528\u7f16\u7801\u7684\u7ed3\u679c\u503c\u6784\u9020json\u5185\u5bb9\uff0c\u6bd4\u5982\uff1a<\/p>\n<pre><code>{\n    \"auths\": {\n        \"registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api\": {\n            \"auth\": \"VXNlck5hbWU6UGFzc3dvcmQ=\"\n        }\n}\n\n<\/code><\/pre>\n<p>\u7136\u540e\u5bf9\u8fd9\u6bb5json\u6570\u636e\u518d\u505abase64\u7f16\u7801\uff0c\u6240\u5f97\u5230\u7684\u503c\u5c31\u662fsecret yaml\u4e2d\u7684.dockerconfigjson\u7684\u503c\u6570\u636e\u3002\u81f3\u6b64\uff0c\u6211\u4eec\u6765\u901a\u8fc7API\u521b\u5efa\u4e00\u4e2asecret\uff1a<\/p>\n<pre><code>$ curl -v -H \"Content-type: application\/json\"  -X POST -d ' {\n  \"apiVersion\": \"v1\",\n  \"kind\": \"Secret\",\n  \"metadata\": {\n    \"name\": \"registrykey-m4-1\",\n    \"namespace\": \"default\"\n  },\n  \"data\": {\n    \".dockerconfigjson\": \"{cat ~\/.docker\/config.json |base64 -w 0}\"\n  },\n  \"type\": \"kubernetes.io\/dockerconfigjson\"\n}' http:\/\/10.57.136.60:8080\/api\/v1\/namespaces\/default\/secrets\n\n# kubectl get secret\nNAME                  TYPE                                  DATA      AGE\nregistrykey-m2-1      kubernetes.io\/dockercfg               1         2h\nregistrykey-m2-2      kubernetes.io\/dockercfg               1         1h\nregistrykey-m3-1      kubernetes.io\/dockerconfigjson        1         43m\nregistrykey-m3-2      kubernetes.io\/dockerconfigjson        1         24m\nregistrykey-m4-1      kubernetes.io\/dockerconfigjson        1         18s\n\n<\/code><\/pre>\n<p>\u57fa\u4e8eregistrykey-m4-1\uff0c\u6211\u4eec\u542f\u52a8\u4e00\u4e2aPod\uff1a<\/p>\n<pre><code>\/\/rbd-rest-api-registrykey-m4-1.yaml\n\napiVersion: v1\nkind: Pod\nmetadata:\n  name: rbd-rest-api-registrykey-m4-1\nspec:\n  containers:\n  - name: rbd-rest-api-registrykey-m4-1\n    image: registry.cn-hangzhou.aliyuncs.com\/xxxx\/rbd-rest-api:latest\n    imagePullPolicy: Always\n  imagePullSecrets:\n  - name: registrykey-m4-1\n\n# kubectl create -f rbd-rest-api-registrykey-m4-1.yaml\npod \"rbd-rest-api-registrykey-m4-1\" created\n\n# kubectl get pod\nNAME                            READY     STATUS             RESTARTS   AGE\nrbd-rest-api-registrykey-m4-1   1\/1       Running            0          5s\n<\/code><\/pre>\n<p>Pod\u521b\u5efa\u6210\u529f\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bdd\u63a5\u4e0a\u6587\uff0c\u5728\u300a\u4f7f\u7528go-ceph\u7ba1\u7406Ceph RBD\u6620\u50cf\u300b\u4e00\u6587\u4e2d\u6211\u4eec\u63d0\u5230\u4e86\uff0c\u6211\u4eec\u9700\u8981\u81ea\u5efa\u4e00\u4e2aceph rbd api service\u7528\u4e8e\u7ed9\u6211\u7684\u4ea7\u54c1\u63a7\u5236\u53f0\u63d0\u4f9bRESTful API\u670d\u52a1\u63a5\u53e3\u3002\u8fd9\u4e2a\u670d\u52a1\u6211\u4e5f\u662f\u6253\u7b97\u653e\u5728kubernetes\u96c6\u7fa4\u4e2d\u4f5c\u4e3a\u4e00\u4e2aService\u8fd0\u884c\u7684\u3002\u8fd9\u4e24\u5929\u5b8c\u6210\u4e86\u8fd9\u4e2a\u670d\u52a1\u5f00\u53d1\uff0c\u5e76\u7f16\u5199\u5b8cService\u7684Dockerfile\uff0c\u5c06\u955c\u50cfbuild, tag\u5e76push\u5230\u4e86\u6211\u4eec\u5728\u963f\u91cc\u4e91\u7684\u79c1\u6709\u955c\u50cf\u5e93\u3002\u4f46\u5728\u901a\u8fc7kubectl\u521b\u5efa\u8fd9\u4e2aService\u65f6\uff0c\u6211\u4eec\u9047\u5230\u4e86 ErrImagePull\u3001ImagePullBackOff\u7b49Pod status\uff0c\u901a\u8fc7kubectl describe pod\/{MyPod}\u547d\u4ee4\u67e5\u770b\uff0c\u53d1\u73b0\u4e0b\u9762\u9519\u8bef\u63d0\u793a\uff1a 23s 5s 2 {kubelet 10.57.136.60} spec.containers{rbd-rest-api} Warning Failed Failed 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