{"id":43318,"date":"2023-04-25T20:36:36","date_gmt":"2023-11-24T11:24:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%a0%b9%e6%8d%aeprometheus%e6%94%b6%e9%9b%86%e7%9a%84%e6%8c%87%e6%a0%87%ef%bc%8c%e5%ae%9e%e7%8e%b0hpa%e5%92%8ckubectl-top%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/"},"modified":"2024-01-15T11:40:38","modified_gmt":"2024-01-15T03:40:38","slug":"%e6%a0%b9%e6%8d%aeprometheus%e6%94%b6%e9%9b%86%e7%9a%84%e6%8c%87%e6%a0%87%ef%bc%8c%e5%ae%9e%e7%8e%b0hpa%e5%92%8ckubectl-top%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%a0%b9%e6%8d%aeprometheus%e6%94%b6%e9%9b%86%e7%9a%84%e6%8c%87%e6%a0%87%ef%bc%8c%e5%ae%9e%e7%8e%b0hpa%e5%92%8ckubectl-top%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/","title":{"rendered":"\u6839\u636ePrometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0HPA\u548ckubectl top\u547d\u4ee4\u7684\u529f\u80fd"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u5728\u6267\u884cHorizontal Pod Autoscaler(HPA)\u6216kubectl top\u547d\u4ee4\u65f6\uff0c\u4f1a\u4ecemetrics.k8s.io\u7684APIService\u83b7\u53d6\u6307\u6807\u6570\u636e\u3002
\n\u5982\u679c\u73af\u5883\u4e2d\u672a\u9ed8\u8ba4\u90e8\u7f72Metrics Server\uff0c\u5219\u6267\u884ckubectl top\u547d\u4ee4\u4f1a\u51fa\u73b0\u4e0b\u8ff0\u9519\u8bef\u3002<\/p>\n

$<\/span> kubectl top node\r\nError from server (NotFound): the server could not find the requested resource (get services http:heapster:)\r\n<\/span><\/code><\/pre>\n
\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u4f7f\u7528Metrics Server\uff0c\u4f46\u8fd9\u6b21\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Prometheus Adapter\u3002<\/p>\n
\u73af\u5883<\/h2>\n
macOS Mojave 10.14.6
\nEKS 1.16
\nHelm 2.14.3
\nHelmfile 0.122.0<\/p>\n
macOS Mojave 10.14.6
\nEKS 1.16
\nHelm 2.14.3
\nHelmfile 0.122.0<\/p>\n
\u5f15\u5165<\/h2>\n
\u5047\u8bbe EKS \u5df2\u7ecf\u5efa\u7acb\u5e76\u5df2\u7ecf\u90e8\u7f72 Helm Tiller\u3002
\n\u6211\u4eec\u4f7f\u7528 Helmfile \u6765\u90e8\u7f72 Prometheus \u548c Prometheus-Adapter\u3002<\/p>\n
repositories<\/span>:<\/span>\r\n  -<\/span> name<\/span>:<\/span> stable<\/span>\r\n    url<\/span>:<\/span> https:\/\/kubernetes-charts.storage.googleapis.com<\/span>\r\n\r\nreleases<\/span>:<\/span>\r\n  # https:\/\/github.com\/helm\/charts\/tree\/master\/stable\/prometheus<\/span>\r\n  -<\/span> name<\/span>:<\/span> prometheus<\/span>\r\n    namespace<\/span>:<\/span> kube-system<\/span>\r\n    chart<\/span>:<\/span> stable\/prometheus<\/span>\r\n    version<\/span>:<\/span> 11.7.0<\/span>\r\n  # https:\/\/github.com\/helm\/charts\/tree\/master\/stable\/prometheus-adapter<\/span>\r\n  -<\/span> name<\/span>:<\/span> prometheus-adapter<\/span>\r\n    namespace<\/span>:<\/span> kube-system<\/span>\r\n    chart<\/span>:<\/span> stable\/prometheus-adapter<\/span>\r\n    version<\/span>:<\/span> 2.5.0<\/span>\r\n    values<\/span>:<\/span>\r\n      -<\/span> prometheus<\/span>:<\/span>\r\n          url<\/span>:<\/span> http:\/\/prometheus-server.kube-system.svc<\/span>\r\n          port<\/span>:<\/span> 80<\/span>\r\n        rules<\/span>:<\/span>\r\n          resource<\/span>:<\/span> \r\n            cpu<\/span>:<\/span>\r\n              containerQuery<\/span>:<\/span> sum(rate(container_cpu_usage_seconds_total{<<.LabelMatchers>>}[3m])) by (<<.GroupBy>>)<\/span>\r\n              nodeQuery<\/span>:<\/span> sum(rate(container_cpu_usage_seconds_total{<<.LabelMatchers>>, id='\/'}[3m])) by (<<.GroupBy>>)<\/span>\r\n              resources<\/span>:<\/span>\r\n                overrides<\/span>:<\/span>\r\n                  instance<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> node<\/span>\r\n                  namespace<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> namespace<\/span>\r\n                  pod<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> pod<\/span>\r\n              containerLabel<\/span>:<\/span> container<\/span>\r\n            memory<\/span>:<\/span>\r\n              containerQuery<\/span>:<\/span> sum(container_memory_working_set_bytes{<<.LabelMatchers>>}) by (<<.GroupBy>>)<\/span>\r\n              nodeQuery<\/span>:<\/span> sum(container_memory_working_set_bytes{<<.LabelMatchers>>,id='\/'}) by (<<.GroupBy>>)<\/span>\r\n              resources<\/span>:<\/span>\r\n                overrides<\/span>:<\/span>\r\n                  instance<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> node<\/span>\r\n                  namespace<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> namespace<\/span>\r\n                  pod<\/span>:<\/span>\r\n                    resource<\/span>:<\/span> pod<\/span>\r\n              containerLabel<\/span>:<\/span> container<\/span>\r\n            window<\/span>:<\/span> 3m<\/span>\r\n<\/code><\/pre>\n
$<\/span> helmfile -f<\/span> helmfile.yaml apply\r\n<\/code><\/pre>\n
\u5173\u4e8ePrometheus\u7684Helm Chart\u7684values\uff0c\u8fd9\u6b21\u6211\u4eec\u4e0d\u4f1a\u8fdb\u884c\u4efb\u4f55\u8bbe\u7f6e\u3002
\n\u5982\u679c\u9700\u8981\u4ece\u5916\u90e8\u8bbf\u95eePrometheus\uff0c\u5219\u9700\u8981\u6ce8\u610f\u8fdb\u884cIngress\u8bbe\u7f6e\u3002<\/p>\n
\u5728Helm Chart\u7684 values \u4e2d\u89e3\u91ca\u4e86 Prometheus Adapter\u3002\u9996\u5148\u662f.prometheus\u3002\u8fd9\u91cc\u6307\u5b9a\u4e86 Prometheus Service\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u8bbf\u95ee Prometheus Pod\u3002<\/p>\n
\u7136\u540e\u5c31\u662f.rules.resource\u3002\u5728\u8fd9\u91cc\u5b9a\u4e49\u7684\u5185\u5bb9\u53ef\u4ee5\u5728\/apis\/metrics.k8s.io\/v1beta1\u4e2d\u83b7\u53d6\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f7f\u7528HPA\u548ckubectl top\u547d\u4ee4\u4e86\u3002<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u770b\u51faAPIService\u5df2\u7ecf\u88ab\u521b\u5efa\u3002<\/p>\n
$<\/span> kubectl describe apiservice v1beta1.metrics.k8s.io   \r\nName:         v1beta1.metrics.k8s.io\r\nNamespace:    \r\nLabels:       app=prometheus-adapter\r\n              chart=prometheus-adapter-2.5.0\r\n              heritage=Tiller\r\n              release=prometheus-adapter\r\n<\/span>Annotations:  <none><\/span>\r\nAPI Version:  apiregistration.k8s.io\/v1\r\nKind:         APIService\r\nMetadata:\r\n  Creation Timestamp:  2020-07-19T09:24:54Z\r\n  Resource Version:    27240\r\n  Self Link:           \/apis\/apiregistration.k8s.io\/v1\/apiservices\/v1beta1.metrics.k8s.io\r\n  UID:                 e3c2e4f4-a58b-4294-8076-5f2cb51d6886\r\nSpec:\r\n  Group:                     metrics.k8s.io\r\n  Group Priority Minimum:    100\r\n  Insecure Skip TLS Verify:  true\r\n  Service:\r\n    Name:            prometheus-adapter\r\n    Namespace:       kube-system\r\n    Port:            443\r\n  Version:           v1beta1\r\n  Version Priority:  100\r\nStatus:\r\n  Conditions:\r\n    Last Transition Time:  2020-07-19T09:25:35Z\r\n    Message:               all checks passed\r\n    Reason:                Passed\r\n    Status:                True\r\n    Type:                  Available\r\n<\/span>Events:                    <none><\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4<\/h2>\n
\u4e3a\u4e86\u786e\u8ba4HPA\uff0c\u8bf7\u90e8\u7f72\u4ee5\u4e0b\u6e05\u5355\u6587\u4ef6\u3002<\/p>\n
apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> hpa-test<\/span>\r\nspec<\/span>:<\/span>\r\n  replicas<\/span>:<\/span> 1<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> hpa-test<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> hpa-test<\/span>\r\n    spec<\/span>:<\/span>\r\n      containers<\/span>:<\/span>\r\n        -<\/span> image<\/span>:<\/span> busybox<\/span>\r\n          name<\/span>:<\/span> hpa-test<\/span>\r\n          command<\/span>:<\/span> [<\/span>\"<\/span>dd\"<\/span>,<\/span> \"<\/span>if=\/dev\/zero\"<\/span>,<\/span> \"<\/span>of=\/dev\/null\"<\/span>]<\/span>\r\n          resources<\/span>:<\/span>\r\n            requests<\/span>:<\/span>\r\n              cpu<\/span>:<\/span> 100m<\/span>\r\n              memory<\/span>:<\/span> 64Mi<\/span>\r\n---<\/span>\r\napiVersion<\/span>:<\/span> autoscaling\/v2beta1<\/span>\r\nkind<\/span>:<\/span> HorizontalPodAutoscaler<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> hpa-test<\/span>\r\nspec<\/span>:<\/span>\r\n  scaleTargetRef<\/span>:<\/span>\r\n    apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\n    kind<\/span>:<\/span> Deployment<\/span>\r\n    name<\/span>:<\/span> hpa-test<\/span>\r\n  minReplicas<\/span>:<\/span> 1<\/span>\r\n  maxReplicas<\/span>:<\/span> 5<\/span>\r\n  metrics<\/span>:<\/span>\r\n    -<\/span> type<\/span>:<\/span> Resource<\/span>\r\n      resource<\/span>:<\/span>\r\n        name<\/span>:<\/span> cpu<\/span>\r\n        targetAverageUtilization<\/span>:<\/span> 50<\/span>\r\n<\/code><\/pre>\n
$<\/span> kubectl apply -f<\/span> hpa-test.yaml\r\n<\/code><\/pre>\n
\u8fc7\u4e86\u4e00\u4f1a\u513f\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u8ba4\u67095\u4e2aPod\u5df2\u7ecf\u8fbe\u5230\u6700\u5927\u6570\u91cf\u3002<\/p>\n
$<\/span> kubectl get pod\r\nNAME                       READY   STATUS    RESTARTS   AGE\r\nhpa-test-596d78d9d-2gwr5   1\/1     Running   0          3m39s\r\nhpa-test-596d78d9d-6l9jj   1\/1     Running   0          21s\r\nhpa-test-596d78d9d-hg7vc   1\/1     Running   0          21s\r\nhpa-test-596d78d9d-sxghk   1\/1     Running   0          6s\r\nhpa-test-596d78d9d-vntkf   1\/1     Running   0          21s\r\n<\/span><\/code><\/pre>\n
kubectl top\u547d\u4ee4\u4e5f\u80fd\u6b63\u5e38\u8fd0\u884c\u65e0\u8bef\u3002<\/p>\n
$<\/span> kubectl top node\r\nNAME                                              CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%   \r\nip-10-0-109-39.ap-northeast-1.compute.internal    1523m        78%    516Mi           15%       \r\nip-10-0-132-197.ap-northeast-1.compute.internal   1654m        85%    529Mi           15%       \r\nip-10-0-46-89.ap-northeast-1.compute.internal     833m         43%    741Mi           22%\r\n\r\n<\/span>$<\/span> kubectl top pod\r\nNAME                       CPU(cores)   MEMORY(bytes)   \r\nhpa-test-596d78d9d-2gwr5   1941m        1Mi             \r\nhpa-test-596d78d9d-6l9jj   1362m        1Mi             \r\nhpa-test-596d78d9d-hg7vc   1300m        1Mi             \r\nhpa-test-596d78d9d-sxghk   1145m        1Mi             \r\nhpa-test-596d78d9d-vntkf   1294m        2Mi\r\n<\/span><\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
\u6211\u4eec\u5df2\u7ecf\u786e\u8ba4\u4e86\u5728\u4e0d\u4f7f\u7528Metrics Server\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7Prometheus Adapter\u548cPrometheus\u6765\u6267\u884cHPA\u548ckubectl top\u547d\u4ee4\u3002
\n\u5728\u90e8\u7f72\u4e86Prometheus\u7684\u96c6\u7fa4\u73af\u5883\u4e2d\uff0c\u53ef\u80fd\u8fd8\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Prometheus Adapter\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u5728\u6267\u884cHorizontal Pod Autoscaler(HPA)\u6216kubectl top\u547d\u4ee4\u65f6\uff0c\u4f1a\u4ecem […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43318","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u6839\u636ePrometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0HPA\u548ckubectl top\u547d\u4ee4\u7684\u529f\u80fd - 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\/\u6839\u636eprometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0hpa\u548ckubectl-top\u547d\u4ee4\u7684\u529f\u80fd\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6839\u636ePrometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0HPA\u548ckubectl top\u547d\u4ee4\u7684\u529f\u80fd\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5728\u6267\u884cHorizontal Pod Autoscaler(HPA)\u6216kubectl top\u547d\u4ee4\u65f6\uff0c\u4f1a\u4ecem […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6839\u636eprometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0hpa\u548ckubectl-top\u547d\u4ee4\u7684\u529f\u80fd\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-24T11:24:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-15T03:40:38+00:00\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e6%a0%b9%e6%8d%aeprometheus%e6%94%b6%e9%9b%86%e7%9a%84%e6%8c%87%e6%a0%87%ef%bc%8c%e5%ae%9e%e7%8e%b0hpa%e5%92%8ckubectl-top%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e6%a0%b9%e6%8d%aeprometheus%e6%94%b6%e9%9b%86%e7%9a%84%e6%8c%87%e6%a0%87%ef%bc%8c%e5%ae%9e%e7%8e%b0hpa%e5%92%8ckubectl-top%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/\",\"name\":\"\u6839\u636ePrometheus\u6536\u96c6\u7684\u6307\u6807\uff0c\u5b9e\u73b0HPA\u548ckubectl top\u547d\u4ee4\u7684\u529f\u80fd - 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