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status.go
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/
status.go
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/*
* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"encoding/json"
"fmt"
"github.com/ctdk/goiardi/actor"
"github.com/ctdk/goiardi/node"
"github.com/ctdk/goiardi/util"
"net/http"
)
func statusHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You must be an admin to do that", http.StatusForbidden)
return
}
pathArray := splitPath(r.URL.Path)
if len(pathArray) < 3 {
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
var statusResponse interface{}
switch r.Method {
case "GET":
/* pathArray[1] will tell us what operation we're doing */
switch pathArray[1] {
// /status/all/nodes
case "all":
if len(pathArray) != 3 {
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
if pathArray[2] != "nodes" {
jsonErrorReport(w, r, "Invalid object to get status for", http.StatusBadRequest)
return
}
nodes := node.AllNodes()
sr := make([]map[string]string, len(nodes))
for i, n := range nodes {
ns, err := n.LatestStatus()
if err != nil {
nsbad := make(map[string]string)
nsbad["node_name"] = n.Name
nsbad["status"] = "no record"
sr[i] = nsbad
continue
}
sr[i] = ns.ToJSON()
nsurl := fmt.Sprintf("/status/node/%s/latest", n.Name)
sr[i]["url"] = util.CustomURL(nsurl)
}
statusResponse = sr
// /status/node/<nodeName>/(all|latest)
case "node":
if len(pathArray) != 4 {
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
nodeName := pathArray[2]
op := pathArray[3]
n, gerr := node.Get(nodeName)
if gerr != nil {
jsonErrorReport(w, r, gerr.Error(), gerr.Status())
return
}
switch op {
case "latest":
ns, err := n.LatestStatus()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
statusResponse = ns.ToJSON()
case "all":
ns, err := n.AllStatuses()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
sr := make([]map[string]string, len(ns))
for i, v := range ns {
sr[i] = v.ToJSON()
}
statusResponse = sr
default:
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
default:
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
default:
jsonErrorReport(w, r, "Method not allowed", http.StatusMethodNotAllowed)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&statusResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
}