forked from rook/rook
Travis Nielsen
0298d1fb29
move core rados packages under cluster folder move daemons under daemon pkg rename flex crd package to attachment pin dep to k8s 1.8.2
216 lines
7.9 KiB
Go
216 lines
7.9 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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Some of the code below came from https://github.com/digitalocean/ceph_exporter
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which has the same license.
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*/
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package collectors
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import (
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"fmt"
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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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"os"
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"regexp"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/rook/rook/pkg/clusterd"
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exectest "github.com/rook/rook/pkg/util/exec/test"
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"github.com/stretchr/testify/assert"
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)
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func TestPoolUsageCollector(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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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "objects": 5, "rd": 4, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 20`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 5`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 4`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 6`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"objects": 5, "rd": 4, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 0`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 5`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 4`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 6`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "rd": 4, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 20`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 0`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 4`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 6`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "objects": 5, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 20`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 5`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 0`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 6`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "objects": 5, "rd": 4}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 20`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 5`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 4`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 0`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{{{{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "objects": 5, "rd": 4, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{},
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reUnmatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes`),
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regexp.MustCompile(`pool_objects_total`),
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regexp.MustCompile(`pool_read_total`),
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regexp.MustCompile(`pool_write_total`),
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},
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},
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{
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input: `
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{"pools": [
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{"name": "rbd", "id": 11, "stats": {"bytes_used": 20, "objects": 5, "rd": 4, "wr": 6}},
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{"name": "rbd-new", "id": 12, "stats": {"bytes_used": 50, "objects": 20, "rd": 10, "wr": 30}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_used_bytes{pool="rbd"} 20`),
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regexp.MustCompile(`pool_objects_total{pool="rbd"} 5`),
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regexp.MustCompile(`pool_read_total{pool="rbd"} 4`),
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regexp.MustCompile(`pool_write_total{pool="rbd"} 6`),
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regexp.MustCompile(`pool_used_bytes{pool="rbd-new"} 50`),
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regexp.MustCompile(`pool_objects_total{pool="rbd-new"} 20`),
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regexp.MustCompile(`pool_read_total{pool="rbd-new"} 10`),
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regexp.MustCompile(`pool_write_total{pool="rbd-new"} 30`),
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},
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reUnmatch: []*regexp.Regexp{},
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},
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{
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input: `
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{"pools": [
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{"name": "ssd", "id": 11, "stats": {"max_avail": 4618201748262, "objects": 5, "rd": 4, "wr": 6}}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`pool_available_bytes{pool="ssd"} 4.618201748262e\+12`),
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},
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},
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{
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input: `
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{"pools": [
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{"id": 32, "name": "cinder_sas", "stats": { "bytes_used": 71525351713, "dirty": 17124, "kb_used": 69848977, "max_avail": 6038098673664, "objects": 17124, "quota_bytes": 0, "quota_objects": 0, "raw_bytes_used": 214576054272, "rd": 348986643, "rd_bytes": 3288983853056, "wr": 45792703, "wr_bytes": 272268791808 }},
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{"id": 33, "name": "cinder_ssd", "stats": { "bytes_used": 68865564849, "dirty": 16461, "kb_used": 67251529, "max_avail": 186205372416, "objects": 16461, "quota_bytes": 0, "quota_objects": 0, "raw_bytes_used": 206596702208, "rd": 347, "rd_bytes": 12899328, "wr": 26721, "wr_bytes": 68882356224 }}
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]}`,
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reMatch: []*regexp.Regexp{
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regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_sas"} 6.038098673664e\+12`),
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regexp.MustCompile(`ceph_pool_dirty_objects_total{pool="cinder_sas"} 17124`),
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regexp.MustCompile(`ceph_pool_objects_total{pool="cinder_sas"} 17124`),
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regexp.MustCompile(`ceph_pool_raw_used_bytes{pool="cinder_sas"} 2.14576054272e\+11`),
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regexp.MustCompile(`ceph_pool_read_bytes_total{pool="cinder_sas"} 3.288983853056e\+12`),
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regexp.MustCompile(`ceph_pool_read_total{pool="cinder_sas"} 3.48986643e\+08`),
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regexp.MustCompile(`ceph_pool_used_bytes{pool="cinder_sas"} 7.1525351713e\+10`),
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regexp.MustCompile(`ceph_pool_write_bytes_total{pool="cinder_sas"} 2.72268791808e\+11`),
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regexp.MustCompile(`ceph_pool_write_total{pool="cinder_sas"} 4.5792703e\+07`),
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regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_ssd"} 1.86205372416e\+11`),
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regexp.MustCompile(`ceph_pool_dirty_objects_total{pool="cinder_ssd"} 16461`),
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regexp.MustCompile(`ceph_pool_objects_total{pool="cinder_ssd"} 16461`),
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regexp.MustCompile(`ceph_pool_raw_used_bytes{pool="cinder_ssd"} 2.06596702208e\+11`),
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regexp.MustCompile(`ceph_pool_read_bytes_total{pool="cinder_ssd"} 1.2899328e\+07`),
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regexp.MustCompile(`ceph_pool_read_total{pool="cinder_ssd"} 347`),
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regexp.MustCompile(`ceph_pool_used_bytes{pool="cinder_ssd"} 6.8865564849e\+10`),
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regexp.MustCompile(`ceph_pool_write_bytes_total{pool="cinder_ssd"} 6.8882356224e\+10`),
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regexp.MustCompile(`ceph_pool_write_total{pool="cinder_ssd"} 26721`),
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},
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},
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} {
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func() {
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executor := &exectest.MockExecutor{
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MockExecuteCommandWithOutputFile: func(debug bool, actionName string, command string, outFileArg string, args ...string) (string, error) {
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return tt.input, nil
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},
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}
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configDir, _ := ioutil.TempDir("", "")
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context := &clusterd.Context{Executor: executor, ConfigDir: configDir}
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defer os.RemoveAll(context.ConfigDir)
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collector := NewPoolUsageCollector(context, "mycluster")
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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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assert.True(t, re.Match(buf), fmt.Sprintf("failed matching: %q", re))
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}
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for _, re := range tt.reUnmatch {
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assert.False(t, re.Match(buf), fmt.Sprintf("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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