// +build !windows package varnish import ( "bytes" "fmt" "github.com/influxdata/telegraf/testutil" "github.com/stretchr/testify/assert" "strings" "testing" ) func fakeVarnishStat(output string) func(string) (*bytes.Buffer, error) { return func(string) (*bytes.Buffer, error) { return bytes.NewBuffer([]byte(output)), nil } } func TestConfigsUsed(t *testing.T) { saved := varnishStat defer func() { varnishStat = saved }() expecations := map[string]string{ "": defaultBinary, "/foo/bar/baz": "/foo/bar/baz", } for in, expected := range expecations { varnishStat = func(actual string) (*bytes.Buffer, error) { assert.Equal(t, expected, actual) return &bytes.Buffer{}, nil } acc := &testutil.Accumulator{} v := &Varnish{Binary: in} v.Gather(acc) } } func TestGather(t *testing.T) { saved := varnishStat defer func() { varnishStat = saved }() varnishStat = fakeVarnishStat(smOutput) acc := &testutil.Accumulator{} v := &Varnish{Stats: []string{"all"}} v.Gather(acc) acc.HasMeasurement("varnish") for tag, fields := range parsedSmOutput { acc.AssertContainsTaggedFields(t, "varnish", fields, map[string]string{ "section": tag, }) } } func TestParseFullOutput(t *testing.T) { saved := varnishStat defer func() { varnishStat = saved }() varnishStat = fakeVarnishStat(fullOutput) acc := &testutil.Accumulator{} v := &Varnish{Stats: []string{"all"}} err := v.Gather(acc) assert.NoError(t, err) acc.HasMeasurement("varnish") flat := flatten(acc.Metrics) assert.Len(t, acc.Metrics, 6) assert.Equal(t, 293, len(flat)) } func TestFieldConfig(t *testing.T) { saved := varnishStat defer func() { varnishStat = saved }() varnishStat = fakeVarnishStat(fullOutput) expect := map[string]int{ "all": 293, "": 0, // default "MAIN.uptime": 1, "MEMPOOL.req0.sz_needed,MAIN.fetch_bad": 2, } for fieldCfg, expected := range expect { acc := &testutil.Accumulator{} v := &Varnish{Stats: strings.Split(fieldCfg, ",")} err := v.Gather(acc) assert.NoError(t, err) acc.HasMeasurement("varnish") flat := flatten(acc.Metrics) assert.Equal(t, expected, len(flat)) } } func flatten(metrics []*testutil.Metric) map[string]interface{} { flat := map[string]interface{}{} for _, m := range metrics { buf := &bytes.Buffer{} for k, v := range m.Tags { buf.WriteString(fmt.Sprintf("%s=%s", k, v)) } for k, v := range m.Fields { flat[fmt.Sprintf("%s %s", buf.String(), k)] = v } } return flat } var smOutput = ` MAIN.uptime 895 1.00 Child process uptime MAIN.cache_hit 95 0.00 Cache hits MAIN.cache_miss 5 0.00 Cache misses MGT.uptime 896 1.00 Management process uptime MGT.child_start 1 0.00 Child process started MEMPOOL.vbc.live 0 . In use MEMPOOL.vbc.pool 10 . In Pool MEMPOOL.vbc.sz_wanted 88 . Size requested ` var parsedSmOutput = map[string]map[string]interface{}{ "MAIN": map[string]interface{}{ "uptime": uint64(895), "cache_hit": uint64(95), "cache_miss": uint64(5), }, "MGT": map[string]interface{}{ "uptime": uint64(896), "child_start": uint64(1), }, "MEMPOOL": map[string]interface{}{ "vbc.live": uint64(0), "vbc.pool": uint64(10), "vbc.sz_wanted": uint64(88), }, } var fullOutput = ` MAIN.uptime 2872 1.00 Child process uptime MAIN.sess_conn 0 0.00 Sessions accepted MAIN.sess_drop 0 0.00 Sessions dropped MAIN.sess_fail 0 0.00 Session accept failures MAIN.sess_pipe_overflow 0 0.00 Session pipe overflow MAIN.client_req_400 0 0.00 Client requests received, subject to 400 errors MAIN.client_req_411 0 0.00 Client requests received, subject to 411 errors MAIN.client_req_413 0 0.00 Client requests received, subject to 413 errors MAIN.client_req_417 0 0.00 Client requests received, subject to 417 errors MAIN.client_req 0 0.00 Good client requests received MAIN.cache_hit 0 0.00 Cache hits MAIN.cache_hitpass 0 0.00 Cache hits for pass MAIN.cache_miss 0 0.00 Cache misses MAIN.backend_conn 0 0.00 Backend conn. success MAIN.backend_unhealthy 0 0.00 Backend conn. not attempted MAIN.backend_busy 0 0.00 Backend conn. too many MAIN.backend_fail 0 0.00 Backend conn. failures MAIN.backend_reuse 0 0.00 Backend conn. reuses MAIN.backend_toolate 0 0.00 Backend conn. was closed MAIN.backend_recycle 0 0.00 Backend conn. recycles MAIN.backend_retry 0 0.00 Backend conn. retry MAIN.fetch_head 0 0.00 Fetch no body (HEAD) MAIN.fetch_length 0 0.00 Fetch with Length MAIN.fetch_chunked 0 0.00 Fetch chunked MAIN.fetch_eof 0 0.00 Fetch EOF MAIN.fetch_bad 0 0.00 Fetch bad T-E MAIN.fetch_close 0 0.00 Fetch wanted close MAIN.fetch_oldhttp 0 0.00 Fetch pre HTTP/1.1 closed MAIN.fetch_zero 0 0.00 Fetch zero len body MAIN.fetch_1xx 0 0.00 Fetch no body (1xx) MAIN.fetch_204 0 0.00 Fetch no body (204) MAIN.fetch_304 0 0.00 Fetch no body (304) MAIN.fetch_failed 0 0.00 Fetch failed (all causes) MAIN.fetch_no_thread 0 0.00 Fetch failed (no thread) MAIN.pools 2 . Number of thread pools MAIN.threads 200 . Total number of threads MAIN.threads_limited 0 0.00 Threads hit max MAIN.threads_created 200 0.07 Threads created MAIN.threads_destroyed 0 0.00 Threads destroyed MAIN.threads_failed 0 0.00 Thread creation failed MAIN.thread_queue_len 0 . Length of session queue MAIN.busy_sleep 0 0.00 Number of requests sent to sleep on busy objhdr MAIN.busy_wakeup 0 0.00 Number of requests woken after sleep on busy objhdr MAIN.sess_queued 0 0.00 Sessions queued for thread MAIN.sess_dropped 0 0.00 Sessions dropped for thread MAIN.n_object 0 . object structs made MAIN.n_vampireobject 0 . unresurrected objects MAIN.n_objectcore 0 . objectcore structs made MAIN.n_objecthead 0 . objecthead structs made MAIN.n_waitinglist 0 . waitinglist structs made MAIN.n_backend 1 . Number of backends MAIN.n_expired 0 . Number of expired objects MAIN.n_lru_nuked 0 . Number of LRU nuked objects MAIN.n_lru_moved 0 . Number of LRU moved objects MAIN.losthdr 0 0.00 HTTP header overflows MAIN.s_sess 0 0.00 Total sessions seen MAIN.s_req 0 0.00 Total requests seen MAIN.s_pipe 0 0.00 Total pipe sessions seen MAIN.s_pass 0 0.00 Total pass-ed requests seen MAIN.s_fetch 0 0.00 Total backend fetches initiated MAIN.s_synth 0 0.00 Total synthethic responses made MAIN.s_req_hdrbytes 0 0.00 Request header bytes MAIN.s_req_bodybytes 0 0.00 Request body bytes MAIN.s_resp_hdrbytes 0 0.00 Response header bytes MAIN.s_resp_bodybytes 0 0.00 Response body bytes MAIN.s_pipe_hdrbytes 0 0.00 Pipe request header bytes MAIN.s_pipe_in 0 0.00 Piped bytes from client MAIN.s_pipe_out 0 0.00 Piped bytes to client MAIN.sess_closed 0 0.00 Session Closed MAIN.sess_pipeline 0 0.00 Session Pipeline MAIN.sess_readahead 0 0.00 Session Read Ahead MAIN.sess_herd 0 0.00 Session herd MAIN.shm_records 1918 0.67 SHM records MAIN.shm_writes 1918 0.67 SHM writes MAIN.shm_flushes 0 0.00 SHM flushes due to overflow MAIN.shm_cont 0 0.00 SHM MTX contention MAIN.shm_cycles 0 0.00 SHM cycles through buffer MAIN.sms_nreq 0 0.00 SMS allocator requests MAIN.sms_nobj 0 . SMS outstanding allocations MAIN.sms_nbytes 0 . SMS outstanding bytes MAIN.sms_balloc 0 . SMS bytes allocated MAIN.sms_bfree 0 . SMS bytes freed MAIN.backend_req 0 0.00 Backend requests made MAIN.n_vcl 1 0.00 Number of loaded VCLs in total MAIN.n_vcl_avail 1 0.00 Number of VCLs available MAIN.n_vcl_discard 0 0.00 Number of discarded VCLs MAIN.bans 1 . Count of bans MAIN.bans_completed 1 . Number of bans marked 'completed' MAIN.bans_obj 0 . Number of bans using obj.* MAIN.bans_req 0 . Number of bans using req.* MAIN.bans_added 1 0.00 Bans added MAIN.bans_deleted 0 0.00 Bans deleted MAIN.bans_tested 0 0.00 Bans tested against objects (lookup) MAIN.bans_obj_killed 0 0.00 Objects killed by bans (lookup) MAIN.bans_lurker_tested 0 0.00 Bans tested against objects (lurker) MAIN.bans_tests_tested 0 0.00 Ban tests tested against objects (lookup) MAIN.bans_lurker_tests_tested 0 0.00 Ban tests tested against objects (lurker) MAIN.bans_lurker_obj_killed 0 0.00 Objects killed by bans (lurker) MAIN.bans_dups 0 0.00 Bans superseded by other bans MAIN.bans_lurker_contention 0 0.00 Lurker gave way for lookup MAIN.bans_persisted_bytes 13 . Bytes used by the persisted ban lists MAIN.bans_persisted_fragmentation 0 . Extra bytes in persisted ban lists due to fragmentation MAIN.n_purges 0 . Number of purge operations executed MAIN.n_obj_purged 0 . Number of purged objects MAIN.exp_mailed 0 0.00 Number of objects mailed to expiry thread MAIN.exp_received 0 0.00 Number of objects received by expiry thread MAIN.hcb_nolock 0 0.00 HCB Lookups without lock MAIN.hcb_lock 0 0.00 HCB Lookups with lock MAIN.hcb_insert 0 0.00 HCB Inserts MAIN.esi_errors 0 0.00 ESI parse errors (unlock) MAIN.esi_warnings 0 0.00 ESI parse warnings (unlock) MAIN.vmods 0 . Loaded VMODs MAIN.n_gzip 0 0.00 Gzip operations MAIN.n_gunzip 0 0.00 Gunzip operations MAIN.vsm_free 972528 . Free VSM space MAIN.vsm_used 83962080 . Used VSM space MAIN.vsm_cooling 0 . Cooling VSM space MAIN.vsm_overflow 0 . Overflow VSM space MAIN.vsm_overflowed 0 0.00 Overflowed VSM space MGT.uptime 2871 1.00 Management process uptime MGT.child_start 1 0.00 Child process started MGT.child_exit 0 0.00 Child process normal exit MGT.child_stop 0 0.00 Child process unexpected exit MGT.child_died 0 0.00 Child process died (signal) MGT.child_dump 0 0.00 Child process core dumped MGT.child_panic 0 0.00 Child process panic MEMPOOL.vbc.live 0 . In use MEMPOOL.vbc.pool 10 . In Pool MEMPOOL.vbc.sz_wanted 88 . Size requested MEMPOOL.vbc.sz_needed 120 . Size allocated MEMPOOL.vbc.allocs 0 0.00 Allocations MEMPOOL.vbc.frees 0 0.00 Frees MEMPOOL.vbc.recycle 0 0.00 Recycled from pool MEMPOOL.vbc.timeout 0 0.00 Timed out from pool MEMPOOL.vbc.toosmall 0 0.00 Too small to recycle MEMPOOL.vbc.surplus 0 0.00 Too many for pool MEMPOOL.vbc.randry 0 0.00 Pool ran dry MEMPOOL.busyobj.live 0 . In use MEMPOOL.busyobj.pool 10 . In Pool MEMPOOL.busyobj.sz_wanted 65536 . Size requested MEMPOOL.busyobj.sz_needed 65568 . Size allocated MEMPOOL.busyobj.allocs 0 0.00 Allocations MEMPOOL.busyobj.frees 0 0.00 Frees MEMPOOL.busyobj.recycle 0 0.00 Recycled from pool MEMPOOL.busyobj.timeout 0 0.00 Timed out from pool MEMPOOL.busyobj.toosmall 0 0.00 Too small to recycle MEMPOOL.busyobj.surplus 0 0.00 Too many for pool MEMPOOL.busyobj.randry 0 0.00 Pool ran dry MEMPOOL.req0.live 0 . In use MEMPOOL.req0.pool 10 . In Pool MEMPOOL.req0.sz_wanted 65536 . Size requested MEMPOOL.req0.sz_needed 65568 . Size allocated MEMPOOL.req0.allocs 0 0.00 Allocations MEMPOOL.req0.frees 0 0.00 Frees MEMPOOL.req0.recycle 0 0.00 Recycled from pool MEMPOOL.req0.timeout 0 0.00 Timed out from pool MEMPOOL.req0.toosmall 0 0.00 Too small to recycle MEMPOOL.req0.surplus 0 0.00 Too many for pool MEMPOOL.req0.randry 0 0.00 Pool ran dry MEMPOOL.sess0.live 0 . In use MEMPOOL.sess0.pool 10 . In Pool MEMPOOL.sess0.sz_wanted 384 . Size requested MEMPOOL.sess0.sz_needed 416 . Size allocated MEMPOOL.sess0.allocs 0 0.00 Allocations MEMPOOL.sess0.frees 0 0.00 Frees MEMPOOL.sess0.recycle 0 0.00 Recycled from pool MEMPOOL.sess0.timeout 0 0.00 Timed out from pool MEMPOOL.sess0.toosmall 0 0.00 Too small to recycle MEMPOOL.sess0.surplus 0 0.00 Too many for pool MEMPOOL.sess0.randry 0 0.00 Pool ran dry MEMPOOL.req1.live 0 . In use MEMPOOL.req1.pool 10 . In Pool MEMPOOL.req1.sz_wanted 65536 . Size requested MEMPOOL.req1.sz_needed 65568 . Size allocated MEMPOOL.req1.allocs 0 0.00 Allocations MEMPOOL.req1.frees 0 0.00 Frees MEMPOOL.req1.recycle 0 0.00 Recycled from pool MEMPOOL.req1.timeout 0 0.00 Timed out from pool MEMPOOL.req1.toosmall 0 0.00 Too small to recycle MEMPOOL.req1.surplus 0 0.00 Too many for pool MEMPOOL.req1.randry 0 0.00 Pool ran dry MEMPOOL.sess1.live 0 . In use MEMPOOL.sess1.pool 10 . In Pool MEMPOOL.sess1.sz_wanted 384 . Size requested MEMPOOL.sess1.sz_needed 416 . Size allocated MEMPOOL.sess1.allocs 0 0.00 Allocations MEMPOOL.sess1.frees 0 0.00 Frees MEMPOOL.sess1.recycle 0 0.00 Recycled from pool MEMPOOL.sess1.timeout 0 0.00 Timed out from pool MEMPOOL.sess1.toosmall 0 0.00 Too small to recycle MEMPOOL.sess1.surplus 0 0.00 Too many for pool MEMPOOL.sess1.randry 0 0.00 Pool ran dry SMA.s0.c_req 0 0.00 Allocator requests SMA.s0.c_fail 0 0.00 Allocator failures SMA.s0.c_bytes 0 0.00 Bytes allocated SMA.s0.c_freed 0 0.00 Bytes freed SMA.s0.g_alloc 0 . Allocations outstanding SMA.s0.g_bytes 0 . Bytes outstanding SMA.s0.g_space 268435456 . Bytes available SMA.Transient.c_req 0 0.00 Allocator requests SMA.Transient.c_fail 0 0.00 Allocator failures SMA.Transient.c_bytes 0 0.00 Bytes allocated SMA.Transient.c_freed 0 0.00 Bytes freed SMA.Transient.g_alloc 0 . Allocations outstanding SMA.Transient.g_bytes 0 . Bytes outstanding SMA.Transient.g_space 0 . Bytes available VBE.default(127.0.0.1,,8080).vcls 1 . VCL references VBE.default(127.0.0.1,,8080).happy 0 . Happy health probes VBE.default(127.0.0.1,,8080).bereq_hdrbytes 0 0.00 Request header bytes VBE.default(127.0.0.1,,8080).bereq_bodybytes 0 0.00 Request body bytes VBE.default(127.0.0.1,,8080).beresp_hdrbytes 0 0.00 Response header bytes VBE.default(127.0.0.1,,8080).beresp_bodybytes 0 0.00 Response body bytes VBE.default(127.0.0.1,,8080).pipe_hdrbytes 0 0.00 Pipe request header bytes VBE.default(127.0.0.1,,8080).pipe_out 0 0.00 Piped bytes to backend VBE.default(127.0.0.1,,8080).pipe_in 0 0.00 Piped bytes from backend LCK.sms.creat 0 0.00 Created locks LCK.sms.destroy 0 0.00 Destroyed locks LCK.sms.locks 0 0.00 Lock Operations LCK.smp.creat 0 0.00 Created locks LCK.smp.destroy 0 0.00 Destroyed locks LCK.smp.locks 0 0.00 Lock Operations LCK.sma.creat 2 0.00 Created locks LCK.sma.destroy 0 0.00 Destroyed locks LCK.sma.locks 0 0.00 Lock Operations LCK.smf.creat 0 0.00 Created locks LCK.smf.destroy 0 0.00 Destroyed locks LCK.smf.locks 0 0.00 Lock Operations LCK.hsl.creat 0 0.00 Created locks LCK.hsl.destroy 0 0.00 Destroyed locks LCK.hsl.locks 0 0.00 Lock Operations LCK.hcb.creat 1 0.00 Created locks LCK.hcb.destroy 0 0.00 Destroyed locks LCK.hcb.locks 16 0.01 Lock Operations LCK.hcl.creat 0 0.00 Created locks LCK.hcl.destroy 0 0.00 Destroyed locks LCK.hcl.locks 0 0.00 Lock Operations LCK.vcl.creat 1 0.00 Created locks LCK.vcl.destroy 0 0.00 Destroyed locks LCK.vcl.locks 2 0.00 Lock Operations LCK.sessmem.creat 0 0.00 Created locks LCK.sessmem.destroy 0 0.00 Destroyed locks LCK.sessmem.locks 0 0.00 Lock Operations LCK.sess.creat 0 0.00 Created locks LCK.sess.destroy 0 0.00 Destroyed locks LCK.sess.locks 0 0.00 Lock Operations LCK.wstat.creat 1 0.00 Created locks LCK.wstat.destroy 0 0.00 Destroyed locks LCK.wstat.locks 930 0.32 Lock Operations LCK.herder.creat 0 0.00 Created locks LCK.herder.destroy 0 0.00 Destroyed locks LCK.herder.locks 0 0.00 Lock Operations LCK.wq.creat 3 0.00 Created locks LCK.wq.destroy 0 0.00 Destroyed locks LCK.wq.locks 1554 0.54 Lock Operations LCK.objhdr.creat 1 0.00 Created locks LCK.objhdr.destroy 0 0.00 Destroyed locks LCK.objhdr.locks 0 0.00 Lock Operations LCK.exp.creat 1 0.00 Created locks LCK.exp.destroy 0 0.00 Destroyed locks LCK.exp.locks 915 0.32 Lock Operations LCK.lru.creat 2 0.00 Created locks LCK.lru.destroy 0 0.00 Destroyed locks LCK.lru.locks 0 0.00 Lock Operations LCK.cli.creat 1 0.00 Created locks LCK.cli.destroy 0 0.00 Destroyed locks LCK.cli.locks 970 0.34 Lock Operations LCK.ban.creat 1 0.00 Created locks LCK.ban.destroy 0 0.00 Destroyed locks LCK.ban.locks 9413 3.28 Lock Operations LCK.vbp.creat 1 0.00 Created locks LCK.vbp.destroy 0 0.00 Destroyed locks LCK.vbp.locks 0 0.00 Lock Operations LCK.backend.creat 1 0.00 Created locks LCK.backend.destroy 0 0.00 Destroyed locks LCK.backend.locks 0 0.00 Lock Operations LCK.vcapace.creat 1 0.00 Created locks LCK.vcapace.destroy 0 0.00 Destroyed locks LCK.vcapace.locks 0 0.00 Lock Operations LCK.nbusyobj.creat 0 0.00 Created locks LCK.nbusyobj.destroy 0 0.00 Destroyed locks LCK.nbusyobj.locks 0 0.00 Lock Operations LCK.busyobj.creat 0 0.00 Created locks LCK.busyobj.destroy 0 0.00 Destroyed locks LCK.busyobj.locks 0 0.00 Lock Operations LCK.mempool.creat 6 0.00 Created locks LCK.mempool.destroy 0 0.00 Destroyed locks LCK.mempool.locks 15306 5.33 Lock Operations LCK.vxid.creat 1 0.00 Created locks LCK.vxid.destroy 0 0.00 Destroyed locks LCK.vxid.locks 0 0.00 Lock Operations LCK.pipestat.creat 1 0.00 Created locks LCK.pipestat.destroy 0 0.00 Destroyed locks LCK.pipestat.locks 0 0.00 Lock Operations `