81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package server
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import (
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"path/filepath"
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"github.com/go-zoo/bone"
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)
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// ContainerInfo stores information about containers
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type ContainerInfo struct {
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Pid int `json:"pid"`
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Image string `json:"image"`
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CreatedTime int64 `json:"created_time"`
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Labels map[string]string `json:"labels"`
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Annotations map[string]string `json:"annotations"`
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LogPath string `json:"log_path"`
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Root string `json:"root"`
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}
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// CrioInfo stores information about the crio daemon
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type CrioInfo struct {
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StorageDriver string `json:"storage_driver"`
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StorageRoot string `json:"storage_root"`
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}
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// StartInfoEndpoints starts a http server that
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// serves container information requests and crio daemon information
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func (s *Server) StartInfoEndpoints(l net.Listener) error {
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mux := bone.New()
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mux.Get("/info", http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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ci := CrioInfo{
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StorageDriver: s.config.Config.Storage,
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StorageRoot: s.config.Config.Root,
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}
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js, err := json.Marshal(ci)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(js)
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}))
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mux.Get("/containers/:id", http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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containerID := bone.GetValue(req, "id")
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ctr := s.GetContainer(containerID)
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if ctr == nil {
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http.Error(w, fmt.Sprintf("container with id: %s not found", containerID), http.StatusNotFound)
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return
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}
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ctrState := ctr.State()
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if ctrState == nil {
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http.Error(w, fmt.Sprintf("container %s state is nil", containerID), http.StatusNotFound)
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return
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}
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ci := ContainerInfo{
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Pid: ctrState.Pid,
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Image: ctr.Image(),
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CreatedTime: ctrState.Created.UnixNano(),
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Labels: ctr.Labels(),
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Annotations: ctr.Annotations(),
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Root: ctr.MountPoint(),
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LogPath: filepath.Dir(ctr.LogPath()),
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}
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js, err := json.Marshal(ci)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(js)
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}))
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return http.Serve(l, mux)
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}
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