{"id":43193,"date":"2023-11-07T09:18:28","date_gmt":"2022-12-01T19:54:07","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/openshift-%e9%85%8d%e7%bd%ae-prometheus-%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e5%8d%b7-pv-%e7%9a%84%e6%96%b9%e5%bc%8f\/"},"modified":"2024-01-15T11:39:47","modified_gmt":"2024-01-15T03:39:47","slug":"openshift-%e9%85%8d%e7%bd%ae-prometheus-%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e5%8d%b7-pv-%e7%9a%84%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/openshift-%e9%85%8d%e7%bd%ae-prometheus-%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e5%8d%b7-pv-%e7%9a%84%e6%96%b9%e5%bc%8f\/","title":{"rendered":"[OpenShift] \u914d\u7f6e Prometheus \u7684\u6301\u4e45\u5316\u5377 (PV) \u7684\u65b9\u5f0f"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u786e\u8ba4\u4f7f\u7528\u96c6\u7fa4\u76d1\u63a7\u64cd\u4f5c\u7b26\uff08Cluster Monitoring Operator\uff09\u6765\u8bbe\u7f6e\uff0c\u5e76\u5c06OpenShift\u7684Prometheus\u76d1\u63a7\u6570\u636e\u7684\u5b58\u50a8\u4f4d\u7f6e\u66f4\u6539\u4e3a\u6301\u4e45\u5316\u5377\uff08Persistent Volume\uff09\u3002<\/p>\n

OCP\u7684\u7248\u672c\u662f4.5.4\u3002<\/p>\n

$ oc version \r\nClient Version: 4.5.4\r\nServer Version: 4.5.4\r\nKubernetes Version: v1.18.3+012b3ec\r\n<\/code><\/pre>\n
\u68c0\u67e5 ConfigMap<\/h1>\n
\u8981\u8bbe\u7f6e Cluster Monitoring Operator\uff0c\u9700\u8981\u5728 openshift-monitoring \u547d\u540d\u7a7a\u95f4\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a cluster-monitoring-config \u7684 ConfigMap\u3002\u8fd9\u4e2a ConfigMap \u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u4e0d\u5b58\u5728\u7684\u3002<\/p>\n
$ oc get configmap cluster-monitoring-config -n openshift-monitoring\r\nError from server (NotFound): configmaps \"cluster-monitoring-config\" not found\r\n<\/code><\/pre>\n
\u786e\u8ba4 Prometheus Pod<\/h1>\n
\u68c0\u67e5 Prometheus Pod\uff0c\u5e76\u67e5\u770b \/prometheus \u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n
$ oc get pod -n openshift-monitoring |grep prometheus\r\nprometheus-adapter-6f55bb555b-lqr7d           1\/1     Running   0          5d17h\r\nprometheus-adapter-6f55bb555b-zt2l5           1\/1     Running   0          5d17h\r\nprometheus-k8s-0                              7\/7     Running   0          16h\r\nprometheus-k8s-1                              7\/7     Running   0          16h\r\nprometheus-operator-9f7877d6f-pr6zb           2\/2     Running   1          5d17h\r\n$ oc exec -it -n openshift-monitoring -c prometheus prometheus-k8s-0 -- \/bin\/bash\r\nbash-4.2$\r\nbash-4.2$ mount |grep prometheus\r\n\/dev\/mapper\/coreos-luks-root-nocrypt on \/prometheus type xfs (rw,relatime,seclabel,attr2,inode64,prjquota)\r\n\u30fb\u30fb\u30fb\r\nbash-4.2$ exit\r\n<\/code><\/pre>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528emptyDir\u6765\u4f7f\u7528\u8282\u70b9\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n
\u521b\u5efaConfigmap<\/h1>\n
\u672c\u6b21\u4f7f\u7528NFS\u4f5c\u4e3aPV\u3002StorageClass\u5df2\u7ecf\u8bbe\u7f6e\u597d\u3002
\n\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cPrometheus\u63a8\u8350\u4f7f\u7528\u5757\u5b58\u50a8\u800c\u4e0d\u662fNFS\u3002\u4f46\u56e0\u4e3a\u8fd9\u6b21\u53ea\u80fd\u51c6\u5907NFS\u3002<\/p>\n
$ oc get storageclasses.storage.k8s.io \r\nNAME                    PROVISIONER               RECLAIMPOLICY   VOLUMEBINDINGMODE   ALLOWVOLUMEEXPANSION   AGE\r\nnfs-storage (default)   nfs-storage-provisioner   Delete          Immediate           false                  183d\r\n<\/code><\/pre>\n
\u4e3a\u4e86\u914d\u7f6eConfigmap\u6587\u4ef6\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
prometheusK8s<\/span>:<\/span>\r\n  retention<\/span>:<\/span> 15d<\/span>\r\n  volumeClaimTemplate<\/span>:<\/span>\r\n    spec<\/span>:<\/span>\r\n      storageClassName<\/span>:<\/span> nfs-storage<\/span>\r\n      resources<\/span>:<\/span>\r\n        requests<\/span>:<\/span>\r\n          storage<\/span>:<\/span> 40Gi<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u8fd9\u4e2a\u6587\u4ef6\u6765\u521b\u5efaConfigmap\u3002<\/p>\n
$ oc create configmap cluster-monitoring-config --from-file config.yaml=pv.yaml -n openshift-monitoring\r\nconfigmap\/cluster-monitoring-config created\r\n<\/code><\/pre>\n
\u786e\u8ba4<\/h1>\n
\u8bf7\u7a0d\u7b49\u4e00\u4e0b\uff0c\u6211\u4f1a\u786e\u8ba4\u4e00\u4e0b PVC \u662f\u5426\u5df2\u7ecf\u8bbe\u7f6e\u597d\u3002<\/p>\n
$ oc get pvc -n openshift-monitoring \r\nNAME                                 STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\nprometheus-k8s-db-prometheus-k8s-0   Bound    pvc-de9e9b7b-47c9-4055-889f-14d15d9f6e1c   40Gi       RWO            nfs-storage    9s\r\nprometheus-k8s-db-prometheus-k8s-1   Bound    pvc-af01886e-b110-4d11-a8c5-e1f4db7057bb   40Gi       RWO            nfs-storage    9s\r\n<\/code><\/pre>\n
\u767b\u5f55\u5230\u5bb9\u5668\uff0c\u5e76\u68c0\u67e5\u6302\u8f7d\u5728\/prometheus\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n
$ oc exec -it -n openshift-monitoring -c prometheus prometheus-k8s-0 -- \/bin\/bash\r\nbash-4.2$ mount |grep prometheus\r\n192.168.5.254:\/exports\/openshift-monitoring-prometheus-k8s-db-prometheus-k8s-0-pvc-de9e9b7b-47c9-4055-889f-14d15d9f6e1c\/prometheus-db on \/prometheus type nfs (rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.5.254,mountvers=3,mountport=20048,mountproto=tcp,local_lock=all,addr=192.168.5.254)\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u786e\u8ba4NFS\u5df2\u88ab\u6302\u8f7d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u786e\u8ba4\u4f7f\u7528\u96c6\u7fa4\u76d1\u63a7\u64cd\u4f5c\u7b26\uff08Cluster Monitoring Operator\uff09\u6765\u8bbe\u7f6e\uff0c\u5e76\u5c06OpenSh […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43193","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n[OpenShift] \u914d\u7f6e Prometheus \u7684\u6301\u4e45\u5316\u5377 (PV) \u7684\u65b9\u5f0f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/openshift-\u914d\u7f6e-prometheus-\u7684\u6301\u4e45\u5316\u5377-pv-\u7684\u65b9\u5f0f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[OpenShift] \u914d\u7f6e Prometheus \u7684\u6301\u4e45\u5316\u5377 (PV) \u7684\u65b9\u5f0f\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u786e\u8ba4\u4f7f\u7528\u96c6\u7fa4\u76d1\u63a7\u64cd\u4f5c\u7b26\uff08Cluster Monitoring Operator\uff09\u6765\u8bbe\u7f6e\uff0c\u5e76\u5c06OpenSh […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/openshift-\u914d\u7f6e-prometheus-\u7684\u6301\u4e45\u5316\u5377-pv-\u7684\u65b9\u5f0f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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