mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
122 lines
3.6 KiB
Go
122 lines
3.6 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package api
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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prometheus "github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/arangodb/kube-arangodb/pkg/logging"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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operatorHTTP "github.com/arangodb/kube-arangodb/pkg/util/http"
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"github.com/arangodb/kube-arangodb/pkg/util/probe"
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"github.com/arangodb/kube-arangodb/pkg/version"
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)
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func buildHTTPHandler(s *Server, cfg ServerConfig, auth *authorization) (http.Handler, error) {
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gin.SetMode(gin.ReleaseMode)
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r := gin.New()
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r.Use(gin.Recovery())
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versionV1Responder, err := operatorHTTP.NewSimpleJSONResponse(version.GetVersionV1())
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if err != nil {
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return nil, errors.WithStack(err)
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}
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r.GET("/_api/version", gin.WrapF(versionV1Responder.ServeHTTP))
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r.GET("/api/v1/version", gin.WrapF(versionV1Responder.ServeHTTP))
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r.GET("/health", gin.WrapF(cfg.LivelinessProbe.LivenessHandler))
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var readyProbes []*probe.ReadyProbe
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if cfg.ProbeDeployment.Enabled {
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r.GET("/ready/deployment", gin.WrapF(cfg.ProbeDeployment.Probe.ReadyHandler))
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readyProbes = append(readyProbes, cfg.ProbeDeployment.Probe)
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}
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if cfg.ProbeDeploymentReplication.Enabled {
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r.GET("/ready/deployment-replication", gin.WrapF(cfg.ProbeDeploymentReplication.Probe.ReadyHandler))
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readyProbes = append(readyProbes, cfg.ProbeDeploymentReplication.Probe)
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}
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if cfg.ProbeStorage.Enabled {
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r.GET("/ready/storage", gin.WrapF(cfg.ProbeStorage.Probe.ReadyHandler))
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readyProbes = append(readyProbes, cfg.ProbeStorage.Probe)
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}
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r.GET("/ready", gin.WrapF(handleGetReady(readyProbes...)))
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r.GET("/metrics", auth.ensureHTTPAuth, gin.WrapH(prometheus.Handler()))
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r.GET("/log/level", auth.ensureHTTPAuth, s.handleGetLogLevel)
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r.POST("/log/level", auth.ensureHTTPAuth, s.handlePostLogLevel)
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return r, nil
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}
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func handleGetReady(probes ...*probe.ReadyProbe) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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for _, probe := range probes {
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if !probe.IsReady() {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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}
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w.WriteHeader(http.StatusOK)
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}
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}
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func (s *Server) handleGetLogLevel(c *gin.Context) {
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logLevels := s.getLogLevelsByTopics()
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topics := make(map[string]string, len(logLevels))
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for topic, level := range logLevels {
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topics[topic] = level.String()
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}
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c.JSON(http.StatusOK, gin.H{
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"topics": topics,
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})
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}
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func (s *Server) handlePostLogLevel(c *gin.Context) {
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var req = struct {
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Topics map[string]string `json:"topics"`
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}{}
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err := c.BindJSON(&req)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
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"msg": err.Error(),
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})
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return
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}
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logLevels := make(map[string]logging.Level, len(req.Topics))
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for topic, levelStr := range req.Topics {
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l, err := logging.ParseLogLevel(levelStr)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
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"msg": err.Error(),
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})
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return
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}
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logLevels[topic] = l
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}
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s.setLogLevelsByTopics(logLevels)
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c.JSON(http.StatusOK, gin.H{})
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}
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