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ceph_exporter/collectors/monitors_test.go

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// Copyright 2016 DigitalOcean
//
// 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 collectors
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"regexp"
"testing"
"github.com/prometheus/client_golang/prometheus"
)
func TestMonitorCollector(t *testing.T) {
for _, tt := range []struct {
input string
regexes []*regexp.Regexp
}{
{
`
{
"health": {
"health": {
"health_services": [
{
"mons": [
{
"name": "test-mon01",
"kb_total": 412718256,
"kb_used": 1812852,
"kb_avail": 389917500,
"avail_percent": 94,
"last_updated": "2015-12-28 15:54:03.763348",
"store_stats": {
"bytes_total": 1781282079,
"bytes_sst": 1,
"bytes_log": 609694,
"bytes_misc": 1780672385,
"last_updated": "0.000000"
},
"health": "HEALTH_OK"
},
{
"name": "test-mon02",
"kb_total": 412718256,
"kb_used": 1875304,
"kb_avail": 389855048,
"avail_percent": 94,
"last_updated": "2015-12-28 15:53:53.808657",
"store_stats": {
"bytes_total": 1844348214,
"bytes_sst": 2,
"bytes_log": 871605,
"bytes_misc": 1843476609,
"last_updated": "0.000000"
},
"health": "HEALTH_OK"
},
{
"name": "test-mon03",
"kb_total": 412718256,
"kb_used": 2095356,
"kb_avail": 389634996,
"avail_percent": 94,
"last_updated": "2015-12-28 15:53:06.292749",
"store_stats": {
"bytes_total": 2069468587,
"bytes_sst": 3,
"bytes_log": 871605,
"bytes_misc": 2068596982,
"last_updated": "0.000000"
},
"health": "HEALTH_OK"
},
{
"name": "test-mon04",
"kb_total": 412718256,
"kb_used": 1726276,
"kb_avail": 390004076,
"avail_percent": 94,
"last_updated": "2015-12-28 15:53:10.770775",
"store_stats": {
"bytes_total": 1691972147,
"bytes_sst": 4,
"bytes_log": 871605,
"bytes_misc": 1691100542,
"last_updated": "0.000000"
},
"health": "HEALTH_OK"
},
{
"name": "test-mon05",
"kb_total": 412718256,
"kb_used": 1883228,
"kb_avail": 389847124,
"avail_percent": 94,
"last_updated": "2015-12-28 15:53:11.407033",
"store_stats": {
"bytes_total": 1852485942,
"bytes_sst": 5,
"bytes_log": 871605,
"bytes_misc": 1851614337,
"last_updated": "0.000000"
},
"health": "HEALTH_OK"
}
]
}
]
},
"timechecks": {
"epoch": 70,
"round": 3362,
"round_status": "finished",
"mons": [
{
"name": "test-mon01",
"skew": 0.000000,
"latency": 0.000000,
"health": "HEALTH_OK"
},
{
"name": "test-mon02",
"skew": -0.000002,
"latency": 0.000815,
"health": "HEALTH_OK"
},
{
"name": "test-mon03",
"skew": -0.000002,
"latency": 0.000829,
"health": "HEALTH_OK"
},
{
"name": "test-mon04",
"skew": -0.000019,
"latency": 0.000609,
"health": "HEALTH_OK"
},
{
"name": "test-mon05",
"skew": -0.000628,
"latency": 0.000659,
"health": "HEALTH_OK"
}
]
},
"summary": [],
"overall_status": "HEALTH_OK",
"detail": []
},
"fsid": "6C9BF03E-044E-4EEB-9C5F-145A54ECF7DB",
"election_epoch": 70,
"quorum": [
0,
1,
2,
3,
4
],
"monmap": {
"epoch": 12,
"fsid": "6C9BF03E-044E-4EEB-9C5F-145A54ECF7DB",
"modified": "2015-11-25 07:58:56.388352",
"created": "0.000000",
"mons": [
{
"rank": 0,
"name": "test-mon01",
"addr": "10.123.1.25:6789\/0"
},
{
"rank": 1,
"name": "test-mon02",
"addr": "10.123.1.26:6789\/0"
},
{
"rank": 2,
"name": "test-mon03",
"addr": "10.123.2.25:6789\/0"
},
{
"rank": 3,
"name": "test-mon04",
"addr": "10.123.2.26:6789\/0"
},
{
"rank": 4,
"name": "test-mon05",
"addr": "10.123.2.27:6789\/0"
}
]
}
}
`,
[]*regexp.Regexp{
regexp.MustCompile(`ceph_monitor_avail_bytes{cluster="ceph",monitor="test-mon01"} 3.899175e`),
regexp.MustCompile(`ceph_monitor_avail_bytes{cluster="ceph",monitor="test-mon02"} 3.89855048e`),
regexp.MustCompile(`ceph_monitor_avail_bytes{cluster="ceph",monitor="test-mon03"} 3.89634996e`),
regexp.MustCompile(`ceph_monitor_avail_bytes{cluster="ceph",monitor="test-mon04"} 3.90004076e`),
regexp.MustCompile(`ceph_monitor_avail_bytes{cluster="ceph",monitor="test-mon05"} 3.89847124e`),
regexp.MustCompile(`ceph_monitor_avail_percent{cluster="ceph",monitor="test-mon01"} 94`),
regexp.MustCompile(`ceph_monitor_avail_percent{cluster="ceph",monitor="test-mon02"} 94`),
regexp.MustCompile(`ceph_monitor_avail_percent{cluster="ceph",monitor="test-mon03"} 94`),
regexp.MustCompile(`ceph_monitor_avail_percent{cluster="ceph",monitor="test-mon04"} 94`),
regexp.MustCompile(`ceph_monitor_avail_percent{cluster="ceph",monitor="test-mon05"} 94`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon01"} 0`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon02"} -2e-06`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon03"} -2e-06`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon04"} -1.9e-05`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon05"} -0.000628`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon01"} 0`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon02"} 0.000815`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon03"} 0.000829`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon04"} 0.000609`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon05"} 0.000659`),
regexp.MustCompile(`ceph_monitor_quorum_count{cluster="ceph"} 5`),
regexp.MustCompile(`ceph_monitor_store_log_bytes{cluster="ceph",monitor="test-mon01"} 609694`),
regexp.MustCompile(`ceph_monitor_store_log_bytes{cluster="ceph",monitor="test-mon02"} 871605`),
regexp.MustCompile(`ceph_monitor_store_log_bytes{cluster="ceph",monitor="test-mon03"} 871605`),
regexp.MustCompile(`ceph_monitor_store_log_bytes{cluster="ceph",monitor="test-mon04"} 871605`),
regexp.MustCompile(`ceph_monitor_store_log_bytes{cluster="ceph",monitor="test-mon05"} 871605`),
regexp.MustCompile(`ceph_monitor_store_misc_bytes{cluster="ceph",monitor="test-mon01"} 1.780672385e`),
regexp.MustCompile(`ceph_monitor_store_misc_bytes{cluster="ceph",monitor="test-mon02"} 1.843476609e`),
regexp.MustCompile(`ceph_monitor_store_misc_bytes{cluster="ceph",monitor="test-mon03"} 2.068596982e`),
regexp.MustCompile(`ceph_monitor_store_misc_bytes{cluster="ceph",monitor="test-mon04"} 1.691100542e`),
regexp.MustCompile(`ceph_monitor_store_misc_bytes{cluster="ceph",monitor="test-mon05"} 1.851614337e`),
regexp.MustCompile(`ceph_monitor_store_sst_bytes{cluster="ceph",monitor="test-mon01"} 1`),
regexp.MustCompile(`ceph_monitor_store_sst_bytes{cluster="ceph",monitor="test-mon02"} 2`),
regexp.MustCompile(`ceph_monitor_store_sst_bytes{cluster="ceph",monitor="test-mon03"} 3`),
regexp.MustCompile(`ceph_monitor_store_sst_bytes{cluster="ceph",monitor="test-mon04"} 4`),
regexp.MustCompile(`ceph_monitor_store_sst_bytes{cluster="ceph",monitor="test-mon05"} 5`),
regexp.MustCompile(`ceph_monitor_store_capacity_bytes{cluster="ceph",monitor="test-mon01"} 1.781282079e`),
regexp.MustCompile(`ceph_monitor_store_capacity_bytes{cluster="ceph",monitor="test-mon02"} 1.844348214e`),
regexp.MustCompile(`ceph_monitor_store_capacity_bytes{cluster="ceph",monitor="test-mon03"} 2.069468587e`),
regexp.MustCompile(`ceph_monitor_store_capacity_bytes{cluster="ceph",monitor="test-mon04"} 1.691972147e`),
regexp.MustCompile(`ceph_monitor_store_capacity_bytes{cluster="ceph",monitor="test-mon05"} 1.852485942e`),
regexp.MustCompile(`ceph_monitor_capacity_bytes{cluster="ceph",monitor="test-mon01"} 4.12718256e`),
regexp.MustCompile(`ceph_monitor_capacity_bytes{cluster="ceph",monitor="test-mon02"} 4.12718256e`),
regexp.MustCompile(`ceph_monitor_capacity_bytes{cluster="ceph",monitor="test-mon03"} 4.12718256e`),
regexp.MustCompile(`ceph_monitor_capacity_bytes{cluster="ceph",monitor="test-mon04"} 4.12718256e`),
regexp.MustCompile(`ceph_monitor_capacity_bytes{cluster="ceph",monitor="test-mon05"} 4.12718256e`),
regexp.MustCompile(`ceph_monitor_used_bytes{cluster="ceph",monitor="test-mon01"} 1.812852e`),
regexp.MustCompile(`ceph_monitor_used_bytes{cluster="ceph",monitor="test-mon02"} 1.875304e`),
regexp.MustCompile(`ceph_monitor_used_bytes{cluster="ceph",monitor="test-mon03"} 2.095356e`),
regexp.MustCompile(`ceph_monitor_used_bytes{cluster="ceph",monitor="test-mon04"} 1.726276e`),
regexp.MustCompile(`ceph_monitor_used_bytes{cluster="ceph",monitor="test-mon05"} 1.883228e`),
},
},
} {
func() {
collector := NewMonitorCollector(NewNoopConn(tt.input), "ceph")
if err := prometheus.Register(collector); err != nil {
t.Fatalf("collector failed to register: %s", err)
}
defer prometheus.Unregister(collector)
server := httptest.NewServer(prometheus.Handler())
defer server.Close()
resp, err := http.Get(server.URL)
if err != nil {
t.Fatalf("unexpected failed response from prometheus: %s", err)
}
defer resp.Body.Close()
buf, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed reading server response: %s", err)
}
for _, re := range tt.regexes {
if !re.Match(buf) {
t.Errorf("failed matching: %q", re)
}
}
}()
}
}
func TestMonitorTimeSyncStats(t *testing.T) {
for _, tt := range []struct {
input string
regexes []*regexp.Regexp
}{
{`
{
"time_skew_status": {
"test-mon01": {
"skew": 0.000022,
"latency": 0.000677,
"health": "HEALTH_OK"
},
"test-mon02": {
"skew": 0.001051,
"latency": 0.000682,
"health": "HEALTH_OK"
},
"test-mon03": {
"skew": 0.003029,
"latency": 0.000582,
"health": "HEALTH_OK"
},
"test-mon04": {
"skew": 0.000330,
"latency": 0.000667,
"health": "HEALTH_OK"
},
"test-mon05": {
"skew": 0.003682,
"latency": 0.000667,
"health": "HEALTH_OK"
}
},
"timechecks": {
"epoch": 84,
"round": 69600,
"round_status": "finished"
}
}
`,
[]*regexp.Regexp{
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon01"} 2.2e\-05`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon02"} 0.001051`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon03"} 0.003029`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon04"} 0.00033`),
regexp.MustCompile(`ceph_monitor_clock_skew_seconds{cluster="ceph",monitor="test-mon05"} 0.003682`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon01"} 0.000677`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon02"} 0.000682`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon03"} 0.000582`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon04"} 0.000667`),
regexp.MustCompile(`ceph_monitor_latency_seconds{cluster="ceph",monitor="test-mon05"} 0.000667`),
},
},
{`
{
"time_skew_status": {
"test-mon01": {
"skew": "wrong!",
"latency": 0.000677,
"health": "HEALTH_OK"
}
}
`,
[]*regexp.Regexp{},
},
{`
{
"time_skew_status": {
"test-mon01": {
"skew": 0.000334,
"latency": "wrong!",
"health": "HEALTH_OK"
}
}
`,
[]*regexp.Regexp{},
},
{`
{
"time_skew_status": {
"test-mon01": {
"skew"::: "0.000334",
"latency"::: "0.000677",
"health": "HEALTH_OK"
}
}
`,
[]*regexp.Regexp{},
},
} {
func() {
collector := NewMonitorCollector(NewNoopConn(tt.input), "ceph")
if err := prometheus.Register(collector); err != nil {
t.Fatalf("collector failed to register: %s", err)
}
defer prometheus.Unregister(collector)
server := httptest.NewServer(prometheus.Handler())
defer server.Close()
resp, err := http.Get(server.URL)
if err != nil {
t.Fatalf("unexpected failed response from prometheus: %s", err)
}
defer resp.Body.Close()
buf, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed reading server response: %s", err)
}
for _, re := range tt.regexes {
if !re.Match(buf) {
t.Errorf("failed matching: %q", re)
}
}
}()
}
}
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