mirror of
https://github.com/digitalocean/ceph_exporter
synced 2025-02-11 00:47:18 +00:00
96 lines
3.6 KiB
Go
96 lines
3.6 KiB
Go
// Copyright 2019 DigitalOcean
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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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package collectors
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import (
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"io/ioutil"
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"log"
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"net/http"
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"net/http/httptest"
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"regexp"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestPoolInfoCollector(t *testing.T) {
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log.SetOutput(ioutil.Discard)
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for _, tt := range []struct {
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input string
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reMatch, reUnmatch []*regexp.Regexp
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}{
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{
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input: `
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[
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{"pool_name": "rbd", "size": 6, "min_size": 4, "pg_num": 8192, "pg_placement_num": 8192, "quota_max_bytes": 1024, "quota_max_objects": 2048, "erasure_code_profile": "ec-4-2", "stripe_width": 4096},
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{"pool_name": "rbd", "size": 3, "min_size": 2, "pg_num": 16384, "pg_placement_num": 16384, "quota_max_bytes": 512, "quota_max_objects": 1024, "erasure_code_profile": "replicated-ruleset", "stripe_width": 4096}
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]`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_size{cluster="ceph",pool="rbd",profile="ec-4-2"} 6`),
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regexp.MustCompile(`pool_min_size{cluster="ceph",pool="rbd",profile="ec-4-2"} 4`),
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regexp.MustCompile(`pool_pg_num{cluster="ceph",pool="rbd",profile="ec-4-2"} 8192`),
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regexp.MustCompile(`pool_pgp_num{cluster="ceph",pool="rbd",profile="ec-4-2"} 8192`),
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regexp.MustCompile(`pool_quota_max_bytes{cluster="ceph",pool="rbd",profile="ec-4-2"} 1024`),
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regexp.MustCompile(`pool_quota_max_objects{cluster="ceph",pool="rbd",profile="ec-4-2"} 2048`),
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regexp.MustCompile(`pool_stripe_width{cluster="ceph",pool="rbd",profile="ec-4-2"} 4096`),
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regexp.MustCompile(`pool_size{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 3`),
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regexp.MustCompile(`pool_min_size{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 2`),
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regexp.MustCompile(`pool_pg_num{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 16384`),
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regexp.MustCompile(`pool_pgp_num{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 16384`),
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regexp.MustCompile(`pool_quota_max_bytes{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 512`),
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regexp.MustCompile(`pool_quota_max_objects{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 1024`),
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regexp.MustCompile(`pool_stripe_width{cluster="ceph",pool="rbd",profile="replicated-ruleset"} 4096`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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} {
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func() {
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collector := NewPoolInfoCollector(NewNoopConn(tt.input), "ceph")
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if err := prometheus.Register(collector); err != nil {
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t.Fatalf("collector failed to register: %s", err)
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}
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defer prometheus.Unregister(collector)
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server := httptest.NewServer(prometheus.Handler())
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defer server.Close()
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resp, err := http.Get(server.URL)
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if err != nil {
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t.Fatalf("unexpected failed response from prometheus: %s", err)
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}
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defer resp.Body.Close()
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buf, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("failed reading server response: %s", err)
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}
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for _, re := range tt.reMatch {
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if !re.Match(buf) {
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t.Errorf("failed matching: %q", re)
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}
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}
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for _, re := range tt.reUnmatch {
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if re.Match(buf) {
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t.Errorf("should not have matched: %q", re)
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}
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}
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}()
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}
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}
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