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ceph_test.go
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ceph_test.go
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package ceph
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
"github.com/stretchr/testify/require"
"github.com/influxdata/telegraf/testutil"
)
const (
epsilon = float64(0.00000001)
)
type expectedResult struct {
metric string
fields map[string]interface{}
tags map[string]string
}
func TestParseSockId(t *testing.T) {
s := parseSockID(sockFile(osdPrefix, 1), osdPrefix, sockSuffix)
require.Equal(t, s, "1")
}
func TestParseMonDump(t *testing.T) {
c := &Ceph{Log: testutil.Logger{}}
dump, err := c.parseDump(monPerfDump)
require.NoError(t, err)
require.InEpsilon(t, int64(5678670180), dump["cluster"]["osd_kb_used"], epsilon)
require.InEpsilon(t, 6866.540527000, dump["paxos"]["store_state_latency.sum"], epsilon)
}
func TestParseOsdDump(t *testing.T) {
c := &Ceph{Log: testutil.Logger{}}
dump, err := c.parseDump(osdPerfDump)
require.NoError(t, err)
require.InEpsilon(t, 552132.109360000, dump["filestore"]["commitcycle_interval.sum"], epsilon)
require.Equal(t, float64(0), dump["mutex-FileJournal::finisher_lock"]["wait.avgcount"])
}
func TestParseMdsDump(t *testing.T) {
c := &Ceph{Log: testutil.Logger{}}
dump, err := c.parseDump(mdsPerfDump)
require.NoError(t, err)
require.InEpsilon(t, 2408386.600934982, dump["mds"]["reply_latency.sum"], epsilon)
require.Equal(t, float64(0), dump["throttle-write_buf_throttle"]["wait.avgcount"])
}
func TestParseRgwDump(t *testing.T) {
c := &Ceph{Log: testutil.Logger{}}
dump, err := c.parseDump(rgwPerfDump)
require.NoError(t, err)
require.InEpsilon(t, 0.002219876, dump["rgw"]["get_initial_lat.sum"], epsilon)
require.Equal(t, float64(0), dump["rgw"]["put_initial_lat.avgcount"])
}
func TestDecodeStatus(t *testing.T) {
acc := &testutil.Accumulator{}
err := decodeStatus(acc, clusterStatusDump)
require.NoError(t, err)
for _, r := range cephStatusResults {
acc.AssertContainsTaggedFields(t, r.metric, r.fields, r.tags)
}
}
func TestDecodeDf(t *testing.T) {
acc := &testutil.Accumulator{}
err := decodeDf(acc, cephDFDump)
require.NoError(t, err)
for _, r := range cephDfResults {
acc.AssertContainsTaggedFields(t, r.metric, r.fields, r.tags)
}
}
func TestDecodeOSDPoolStats(t *testing.T) {
acc := &testutil.Accumulator{}
err := decodeOsdPoolStats(acc, cephODSPoolStatsDump)
require.NoError(t, err)
for _, r := range cephOSDPoolStatsResults {
acc.AssertContainsTaggedFields(t, r.metric, r.fields, r.tags)
}
}
func TestGather(t *testing.T) {
saveFind := findSockets
saveDump := perfDump
defer func() {
findSockets = saveFind
perfDump = saveDump
}()
findSockets = func(c *Ceph) ([]*socket, error) {
return []*socket{{"osd.1", typeOsd, ""}}, nil
}
perfDump = func(binary string, s *socket) (string, error) {
return osdPerfDump, nil
}
acc := &testutil.Accumulator{}
c := &Ceph{}
require.NoError(t, c.Gather(acc))
}
func TestFindSockets(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "socktest")
require.NoError(t, err)
defer func() {
err := os.Remove(tmpdir)
require.NoError(t, err)
}()
c := &Ceph{
CephBinary: "foo",
OsdPrefix: "ceph-osd",
MonPrefix: "ceph-mon",
MdsPrefix: "ceph-mds",
RgwPrefix: "ceph-client",
SocketDir: tmpdir,
SocketSuffix: "asok",
CephUser: "client.admin",
CephConfig: "/etc/ceph/ceph.conf",
GatherAdminSocketStats: true,
GatherClusterStats: false,
}
for _, st := range sockTestParams {
require.NoError(t, createTestFiles(tmpdir, st))
sockets, err := findSockets(c)
require.NoError(t, err)
for i := 1; i <= st.osds; i++ {
assertFoundSocket(t, tmpdir, typeOsd, i, sockets)
}
for i := 1; i <= st.mons; i++ {
assertFoundSocket(t, tmpdir, typeMon, i, sockets)
}
for i := 1; i <= st.mdss; i++ {
assertFoundSocket(t, tmpdir, typeMds, i, sockets)
}
for i := 1; i <= st.rgws; i++ {
assertFoundSocket(t, tmpdir, typeRgw, i, sockets)
}
require.NoError(t, cleanupTestFiles(tmpdir, st))
}
}
func assertFoundSocket(t *testing.T, dir, sockType string, i int, sockets []*socket) {
var prefix string
if sockType == typeOsd {
prefix = osdPrefix
} else if sockType == typeMds {
prefix = mdsPrefix
} else if sockType == typeRgw {
prefix = rgwPrefix
} else {
prefix = monPrefix
}
expected := filepath.Join(dir, sockFile(prefix, i))
found := false
for _, s := range sockets {
_, err := fmt.Printf("Checking %s\n", s.socket)
require.NoError(t, err)
if s.socket == expected {
found = true
require.Equal(t, s.sockType, sockType, "Unexpected socket type for '%s'", s)
require.Equal(t, s.sockID, strconv.Itoa(i))
}
}
require.True(t, found, "Did not find socket: %s", expected)
}
func sockFile(prefix string, i int) string {
return strings.Join([]string{prefix, strconv.Itoa(i), sockSuffix}, ".")
}
func createTestFiles(dir string, st *SockTest) error {
writeFile := func(prefix string, i int) error {
f := sockFile(prefix, i)
fpath := filepath.Join(dir, f)
return ioutil.WriteFile(fpath, []byte(""), 0777)
}
return tstFileApply(st, writeFile)
}
func cleanupTestFiles(dir string, st *SockTest) error {
rmFile := func(prefix string, i int) error {
f := sockFile(prefix, i)
fpath := filepath.Join(dir, f)
return os.Remove(fpath)
}
return tstFileApply(st, rmFile)
}
func tstFileApply(st *SockTest, fn func(string, int) error) error {
for i := 1; i <= st.osds; i++ {
if err := fn(osdPrefix, i); err != nil {
return err
}
}
for i := 1; i <= st.mons; i++ {
if err := fn(monPrefix, i); err != nil {
return err
}
}
for i := 1; i <= st.mdss; i++ {
if err := fn(mdsPrefix, i); err != nil {
return err
}
}
for i := 1; i <= st.rgws; i++ {
if err := fn(rgwPrefix, i); err != nil {
return err
}
}
return nil
}
type SockTest struct {
osds int
mons int
mdss int
rgws int
}
var sockTestParams = []*SockTest{
{
osds: 2,
mons: 2,
mdss: 2,
rgws: 2,
},
{
mons: 1,
},
{
osds: 1,
},
{
mdss: 1,
},
{
rgws: 1,
},
{},
}
var monPerfDump = `
{ "cluster": { "num_mon": 2,
"num_mon_quorum": 2,
"num_osd": 26,
"num_osd_up": 26,
"num_osd_in": 26,
"osd_epoch": 3306,
"osd_kb": 11487846448,
"osd_kb_used": 5678670180,
"osd_kb_avail": 5809176268,
"num_pool": 12,
"num_pg": 768,
"num_pg_active_clean": 768,
"num_pg_active": 768,
"num_pg_peering": 0,
"num_object": 397616,
"num_object_degraded": 0,
"num_object_unfound": 0,
"num_bytes": 2917848227467,
"num_mds_up": 0,
"num_mds_in": 0,
"num_mds_failed": 0,
"mds_epoch": 1},
"leveldb": { "leveldb_get": 321950312,
"leveldb_transaction": 18729922,
"leveldb_compact": 0,
"leveldb_compact_range": 74141,
"leveldb_compact_queue_merge": 0,
"leveldb_compact_queue_len": 0},
"mon": {},
"paxos": { "start_leader": 0,
"start_peon": 1,
"restart": 4,
"refresh": 9363435,
"refresh_latency": { "avgcount": 9363435,
"sum": 5378.794002000},
"begin": 9363435,
"begin_keys": { "avgcount": 0,
"sum": 0},
"begin_bytes": { "avgcount": 9363435,
"sum": 110468605489},
"begin_latency": { "avgcount": 9363435,
"sum": 5850.060682000},
"commit": 9363435,
"commit_keys": { "avgcount": 0,
"sum": 0},
"commit_bytes": { "avgcount": 0,
"sum": 0},
"commit_latency": { "avgcount": 0,
"sum": 0.000000000},
"collect": 1,
"collect_keys": { "avgcount": 1,
"sum": 1},
"collect_bytes": { "avgcount": 1,
"sum": 24},
"collect_latency": { "avgcount": 1,
"sum": 0.000280000},
"collect_uncommitted": 0,
"collect_timeout": 0,
"accept_timeout": 0,
"lease_ack_timeout": 0,
"lease_timeout": 0,
"store_state": 9363435,
"store_state_keys": { "avgcount": 9363435,
"sum": 176572789},
"store_state_bytes": { "avgcount": 9363435,
"sum": 216355887217},
"store_state_latency": { "avgcount": 9363435,
"sum": 6866.540527000},
"share_state": 0,
"share_state_keys": { "avgcount": 0,
"sum": 0},
"share_state_bytes": { "avgcount": 0,
"sum": 0},
"new_pn": 0,
"new_pn_latency": { "avgcount": 0,
"sum": 0.000000000}},
"throttle-mon_client_bytes": { "val": 246,
"max": 104857600,
"get": 896030,
"get_sum": 45854374,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 0,
"take_sum": 0,
"put": 896026,
"put_sum": 45854128,
"wait": { "avgcount": 0,
"sum": 0.000000000}},
"throttle-mon_daemon_bytes": { "val": 0,
"max": 419430400,
"get": 2773768,
"get_sum": 3627676976,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 0,
"take_sum": 0,
"put": 2773768,
"put_sum": 3627676976,
"wait": { "avgcount": 0,
"sum": 0.000000000}},
"throttle-msgr_dispatch_throttler-mon": { "val": 0,
"max": 104857600,
"get": 34504949,
"get_sum": 226860281124,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 0,
"take_sum": 0,
"put": 34504949,
"put_sum": 226860281124,
"wait": { "avgcount": 0,
"sum": 0.000000000}}}
`
var osdPerfDump = `
{ "WBThrottle": { "bytes_dirtied": 28405539,
"bytes_wb": 0,
"ios_dirtied": 93,
"ios_wb": 0,
"inodes_dirtied": 86,
"inodes_wb": 0},
"filestore": { "journal_queue_max_ops": 0,
"journal_queue_ops": 0,
"journal_ops": 1108008,
"journal_queue_max_bytes": 0,
"journal_queue_bytes": 0,
"journal_bytes": 73233416196,
"journal_latency": { "avgcount": 1108008,
"sum": 290.981036000},
"journal_wr": 1091866,
"journal_wr_bytes": { "avgcount": 1091866,
"sum": 74925682688},
"journal_full": 0,
"committing": 0,
"commitcycle": 110389,
"commitcycle_interval": { "avgcount": 110389,
"sum": 552132.109360000},
"commitcycle_latency": { "avgcount": 110389,
"sum": 178.657804000},
"op_queue_max_ops": 50,
"op_queue_ops": 0,
"ops": 1108008,
"op_queue_max_bytes": 104857600,
"op_queue_bytes": 0,
"bytes": 73226768148,
"apply_latency": { "avgcount": 1108008,
"sum": 947.742722000},
"queue_transaction_latency_avg": { "avgcount": 1108008,
"sum": 0.511327000}},
"leveldb": { "leveldb_get": 4361221,
"leveldb_transaction": 4351276,
"leveldb_compact": 0,
"leveldb_compact_range": 0,
"leveldb_compact_queue_merge": 0,
"leveldb_compact_queue_len": 0},
"mutex-FileJournal::completions_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-FileJournal::finisher_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-FileJournal::write_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-FileJournal::writeq_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-JOS::ApplyManager::apply_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-JOS::ApplyManager::com_lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-JOS::SubmitManager::lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"mutex-WBThrottle::lock": { "wait": { "avgcount": 0,
"sum": 0.000000000}},
"objecter": { "op_active": 0,
"op_laggy": 0,
"op_send": 0,
"op_send_bytes": 0,
"op_resend": 0,
"op_ack": 0,
"op_commit": 0,
"op": 0,
"op_r": 0,
"op_w": 0,
"op_rmw": 0,
"op_pg": 0,
"osdop_stat": 0,
"osdop_create": 0,
"osdop_read": 0,
"osdop_write": 0,
"osdop_writefull": 0,
"osdop_append": 0,
"osdop_zero": 0,
"osdop_truncate": 0,
"osdop_delete": 0,
"osdop_mapext": 0,
"osdop_sparse_read": 0,
"osdop_clonerange": 0,
"osdop_getxattr": 0,
"osdop_setxattr": 0,
"osdop_cmpxattr": 0,
"osdop_rmxattr": 0,
"osdop_resetxattrs": 0,
"osdop_tmap_up": 0,
"osdop_tmap_put": 0,
"osdop_tmap_get": 0,
"osdop_call": 0,
"osdop_watch": 0,
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"pull": 0,
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"RepRecovering_latency": { "avgcount": 16,
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"activating_latency": { "avgcount": 514,
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"throttle-msgr_dispatch_throttler-hb_front_server": { "val": 0,
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"throttle-msgr_dispatch_throttler-hbclient": { "val": 0,
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"throttle-msgr_dispatch_throttler-ms_objecter": { "val": 0,
"max": 104857600,
"get": 0,
"get_sum": 0,
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"throttle-objecter_bytes": { "val": 0,
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"take": 0,
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"throttle-objecter_ops": { "val": 0,
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"take": 0,
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"throttle-osd_client_bytes": { "val": 0,
"max": 524288000,
"get": 24241,
"get_sum": 1241992581,
"get_or_fail_fail": 0,
"get_or_fail_success": 0,
"take": 0,
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"wait": { "avgcount": 0,
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"throttle-osd_client_messages": { "val": 0,
"max": 100,
"get": 49214,
"get_sum": 49214,
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"take": 0,
"take_sum": 0,
"put": 49214,
"put_sum": 49214,
"wait": { "avgcount": 0,
"sum": 0.000000000}}}
`
var mdsPerfDump = `
{
"AsyncMessenger::Worker-0": {
"msgr_recv_messages": 2723536628,
"msgr_send_messages": 1160771414,
"msgr_recv_bytes": 1112936719134,
"msgr_send_bytes": 1368194904867,
"msgr_created_connections": 18281,
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"msgr_running_total_time": 109001.938705141,
"msgr_running_send_time": 33686.215323581,
"msgr_running_recv_time": 8374950.111041426,
"msgr_running_fast_dispatch_time": 5828.083761243
},
"AsyncMessenger::Worker-1": {
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"msgr_send_messages": 783174767,
"msgr_recv_bytes": 800620150187,
"msgr_send_bytes": 1394738277392,
"msgr_created_connections": 17677,
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"msgr_running_total_time": 70660.929329800,
"msgr_running_send_time": 24190.940207198,
"msgr_running_recv_time": 3920894.209204916,
"msgr_running_fast_dispatch_time": 8206.816536602
},
"AsyncMessenger::Worker-2": {
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"msgr_send_messages": 2757725529,
"msgr_recv_bytes": 1331676471794,
"msgr_send_bytes": 2593968875674,
"msgr_created_connections": 16714,
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"msgr_running_total_time": 167020.893916556,
"msgr_running_send_time": 61197.682840176,
"msgr_running_recv_time": 5816036.495319415,
"msgr_running_fast_dispatch_time": 8581.768789481
},
"finisher-PurgeQueue": {
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"complete_latency": {
"avgcount": 20170260,
"sum": 70213.859039869,
"avgtime": 0.003481058
}
},
"mds": {
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"reply_latency": {
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"sum": 2408386.600934982,
"avgtime": 0.001111157
},
"forward": 0,
"dir_fetch": 585012985,
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"caps": 6370838,
"subtrees": 2,
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"load_cent": 1966748,
"q": 976,
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"openino_dir_fetch": 22725418,
"openino_backtrace_fetch": 6,
"openino_peer_discover": 0
},
"mds_cache": {
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"num_strays_delayed": 0,
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"strays_created": 29140050,
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"num_recovering_processing": 0,
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"recovery_started": 229,
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"ireq_enqueue_scrub": 0,
"ireq_exportdir": 0,
"ireq_flush": 0,
"ireq_fragmentdir": 15,
"ireq_fragstats": 0,
"ireq_inodestats": 0
},
"mds_log": {
"evadd": 1920368707,
"evex": 1920372003,
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"ev": 106627,
"evexg": 0,
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"segexd": 5,
"expos": 24852063335817,
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"jlat": {
"avgcount": 182241259,
"sum": 1732094.198366820,
"avgtime": 0.009504402
},
"replayed": 109923
},
"mds_mem": {
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"dir": 22827008,
"dir+": 591593031,
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"cap": 6370838,
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"rss": 167723320,
"heap": 322260,
"buf": 0
},
"mds_server": {
"dispatch_client_request": 2932764331,
"dispatch_server_request": 0,
"handle_client_request": 2167457412,
"handle_client_session": 10929454,
"handle_slave_request": 0,
"req_create_latency": {
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"sum": 23887.274170412,
"avgtime": 0.000780876
},
"req_getattr_latency": {
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"sum": 718160.497644305,
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},
"req_getfilelock_latency": {
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},
"req_link_latency": {
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"sum": 2.371499732,
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},
"req_lookup_latency": {
"avgcount": 474590034,
"sum": 452548.849373476,
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},
"req_lookuphash_latency": {
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},
"req_lookupino_latency": {
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},
"req_lookupname_latency": {
"avgcount": 9794,
"sum": 54.118496591,
"avgtime": 0.005525678
},
"req_lookupparent_latency": {
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},
"req_lookupsnap_latency": {
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},
"req_lssnap_latency": {
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},
"req_mkdir_latency": {
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},
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},
"req_mksnap_latency": {
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},
"req_open_latency": {