File: status.go

package info (click to toggle)
goiardi 0.11.9-3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 2,728 kB
  • sloc: sql: 4,994; makefile: 156; sh: 95; python: 30
file content (130 lines) | stat: -rw-r--r-- 3,551 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (c) 2013-2017, 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/node"
	"github.com/ctdk/goiardi/reqctx"
	"github.com/ctdk/goiardi/util"
	"net/http"
)

func statusHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	opUser, oerr := reqctx.CtxReqUser(r.Context())
	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 http.MethodHead:
		// HEAD responses don't look real meaningful here
		headDefaultResponse(w, r)
		return
	case http.MethodGet:
		/* 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)
	}
}