add monitoring apis
This commit is contained in:
Carman Zhang
193
pkg/models/metrics/metrics_rule.go
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193
pkg/models/metrics/metrics_rule.go
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/*
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Copyright 2018 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"strings"
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"github.com/emicklei/go-restful"
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)
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func MakeWorkloadRule(request *restful.Request) string {
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// kube_pod_info{created_by_kind="DaemonSet",created_by_name="fluent-bit",endpoint="https-main",
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// host_ip="192.168.0.14",instance="10.244.114.187:8443",job="kube-state-metrics",
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// namespace="kube-system",node="i-k89a62il",pod="fluent-bit-l5vxr",
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// pod_ip="10.244.114.175",service="kube-state-metrics"}
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rule := `kube_pod_info{created_by_kind="$1",created_by_name=$2,namespace="$3"}`
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kind := strings.Trim(request.PathParameter("workload_kind"), " ")
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name := strings.Trim(request.QueryParameter("workload_name"), " ")
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namespace := strings.Trim(request.PathParameter("ns_name"), " ")
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if namespace == "" {
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namespace = ".*"
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}
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// kind alertnatives values: Deployment StatefulSet ReplicaSet DaemonSet
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kind = strings.ToLower(kind)
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switch kind {
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case "deployment":
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kind = "ReplicaSet"
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if name != "" {
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name = "~\"" + name + ".*\""
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} else {
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name = "~\".*\""
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}
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rule = strings.Replace(rule, "$1", kind, -1)
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rule = strings.Replace(rule, "$2", name, -1)
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rule = strings.Replace(rule, "$3", namespace, -1)
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return rule
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case "replicaset":
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kind = "ReplicaSet"
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case "statefulset":
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kind = "StatefulSet"
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case "daemonset":
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kind = "DaemonSet"
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}
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if name == "" {
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name = "~\".*\""
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} else {
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name = "\"" + name + "\""
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}
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rule = strings.Replace(rule, "$1", kind, -1)
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rule = strings.Replace(rule, "$2", name, -1)
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rule = strings.Replace(rule, "$3", namespace, -1)
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return rule
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}
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func MakeContainerPromQL(request *restful.Request) string {
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nsName := strings.Trim(request.PathParameter("ns_name"), " ")
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poName := strings.Trim(request.PathParameter("pod_name"), " ")
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containerName := strings.Trim(request.PathParameter("container_name"), " ")
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// metricType container_cpu_utilisation container_memory_utilisation container_memory_utilisation_wo_cache
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metricType := strings.Trim(request.QueryParameter("metrics_name"), " ")
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var promql = ""
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if containerName == "" {
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// all containers maybe use filter
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metricType += "_all"
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promql = RulePromQLTmplMap[metricType]
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promql = strings.Replace(promql, "$1", nsName, -1)
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promql = strings.Replace(promql, "$2", poName, -1)
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containerFilter := strings.Trim(request.QueryParameter("containers_filter"), " ")
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if containerFilter == "" {
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containerFilter = ".*"
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}
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promql = strings.Replace(promql, "$3", containerFilter, -1)
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return promql
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}
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promql = RulePromQLTmplMap[metricType]
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promql = strings.Replace(promql, "$1", nsName, -1)
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promql = strings.Replace(promql, "$2", poName, -1)
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promql = strings.Replace(promql, "$3", containerName, -1)
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return promql
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}
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func MakePodPromQL(request *restful.Request, params []string) string {
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metricType := params[0]
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nsName := params[1]
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nodeID := params[2]
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podName := params[3]
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podFilter := params[4]
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var promql = ""
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if nsName != "" {
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// get pod metrics by namespace
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if podName != "" {
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// specific pod
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promql = RulePromQLTmplMap[metricType]
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promql = strings.Replace(promql, "$1", nsName, -1)
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promql = strings.Replace(promql, "$2", podName, -1)
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} else {
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// all pods
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metricType += "_all"
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promql = RulePromQLTmplMap[metricType]
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if podFilter == "" {
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podFilter = ".*"
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}
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promql = strings.Replace(promql, "$1", nsName, -1)
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promql = strings.Replace(promql, "$2", podFilter, -1)
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}
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} else if nodeID != "" {
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// get pod metrics by nodeid
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metricType += "_node"
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promql = RulePromQLTmplMap[metricType]
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promql = strings.Replace(promql, "$3", nodeID, -1)
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if podName != "" {
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// specific pod
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promql = strings.Replace(promql, "$2", podName, -1)
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} else {
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// choose pod use re2 expression
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podFilter := strings.Trim(request.QueryParameter("pods_filter"), " ")
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if podFilter == "" {
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podFilter = ".*"
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}
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promql = strings.Replace(promql, "$2", podFilter, -1)
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}
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}
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return promql
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}
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func MakeNamespacePromQL(request *restful.Request, metricsName string) string {
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nsName := strings.Trim(request.PathParameter("ns_name"), " ")
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metricType := metricsName
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var recordingRule = RulePromQLTmplMap[metricType]
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nsFilter := strings.Trim(request.QueryParameter("namespaces_filter"), " ")
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if nsName != "" {
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nsFilter = nsName
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} else {
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if nsFilter == "" {
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nsFilter = ".*"
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}
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}
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recordingRule = strings.Replace(recordingRule, "$1", nsFilter, -1)
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return recordingRule
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}
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func MakeNodeorClusterRule(request *restful.Request, metricsName string) string {
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nodeID := request.PathParameter("node_id")
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var rule = RulePromQLTmplMap[metricsName]
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if strings.Contains(request.SelectedRoutePath(), "monitoring/cluster") {
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// cluster
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return rule
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} else {
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// node
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nodesFilter := strings.Trim(request.QueryParameter("nodes_filter"), " ")
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if nodesFilter == "" {
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nodesFilter = ".*"
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}
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if strings.Contains(metricsName, "disk") && (!(strings.Contains(metricsName, "read") || strings.Contains(metricsName, "write"))) {
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// disk size promql
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nodesFilter := ""
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if nodeID != "" {
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nodesFilter = "{" + "node" + "=" + "\"" + nodeID + "\"" + "}"
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} else {
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nodesFilter = "{" + "node" + "=~" + "\"" + nodesFilter + "\"" + "}"
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}
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rule = strings.Replace(rule, "$1", nodesFilter, -1)
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} else {
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// cpu, memory, network, disk_iops rules
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if nodeID != "" {
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// specific node
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rule = rule + "{" + "node" + "=" + "\"" + nodeID + "\"" + "}"
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} else {
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// all nodes or specific nodes filted with re2 syntax
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rule = rule + "{" + "node" + "=~" + "\"" + nodesFilter + "\"" + "}"
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}
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}
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}
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return rule
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}
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