package influxdb_test import ( "fmt" "net/http" "net/http/httptest" "testing" "github.com/influxdata/telegraf/plugins/inputs/influxdb" "github.com/influxdata/telegraf/testutil" "github.com/stretchr/testify/require" ) func TestBasic(t *testing.T) { fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/endpoint" { _, _ = w.Write([]byte(basicJSON)) } else { w.WriteHeader(http.StatusNotFound) } })) defer fakeServer.Close() plugin := &influxdb.InfluxDB{ URLs: []string{fakeServer.URL + "/endpoint"}, } var acc testutil.Accumulator require.NoError(t, acc.GatherError(plugin.Gather)) require.Len(t, acc.Metrics, 3) fields := map[string]interface{}{ // JSON will truncate floats to integer representations. // Since there's no distinction in JSON, we can't assume it's an int. "i": -1.0, "f": 0.5, "b": true, "s": "string", } tags := map[string]string{ "id": "ex1", "url": fakeServer.URL + "/endpoint", } acc.AssertContainsTaggedFields(t, "influxdb_foo", fields, tags) fields = map[string]interface{}{ "x": "x", } tags = map[string]string{ "id": "ex2", "url": fakeServer.URL + "/endpoint", } acc.AssertContainsTaggedFields(t, "influxdb_bar", fields, tags) acc.AssertContainsTaggedFields(t, "influxdb", map[string]interface{}{ "n_shards": 0, }, map[string]string{}) } func TestInfluxDB(t *testing.T) { fakeInfluxServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/endpoint" { _, _ = w.Write([]byte(influxReturn)) } else { w.WriteHeader(http.StatusNotFound) } })) defer fakeInfluxServer.Close() plugin := &influxdb.InfluxDB{ URLs: []string{fakeInfluxServer.URL + "/endpoint"}, } var acc testutil.Accumulator require.NoError(t, acc.GatherError(plugin.Gather)) require.Len(t, acc.Metrics, 34) fields := map[string]interface{}{ "heap_inuse": int64(18046976), "heap_released": int64(3473408), "mspan_inuse": int64(97440), "total_alloc": int64(201739016), "sys": int64(38537464), "mallocs": int64(570251), "frees": int64(381008), "heap_idle": int64(15802368), "pause_total_ns": int64(5132914), "pause_ns": int64(127053), "lookups": int64(77), "heap_sys": int64(33849344), "mcache_sys": int64(16384), "next_gc": int64(20843042), "gcc_pu_fraction": float64(4.287178819113636e-05), "other_sys": int64(1229737), "alloc": int64(17034016), "stack_inuse": int64(753664), "stack_sys": int64(753664), "buck_hash_sys": int64(1461583), "gc_sys": int64(1112064), "num_gc": int64(27), "heap_alloc": int64(17034016), "heap_objects": int64(189243), "mspan_sys": int64(114688), "mcache_inuse": int64(4800), "last_gc": int64(1460434886475114239), } tags := map[string]string{ "url": fakeInfluxServer.URL + "/endpoint", } acc.AssertContainsTaggedFields(t, "influxdb_memstats", fields, tags) acc.AssertContainsTaggedFields(t, "influxdb", map[string]interface{}{ "n_shards": 1, }, map[string]string{}) } func TestInfluxDB2(t *testing.T) { fakeInfluxServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/endpoint" { _, _ = w.Write([]byte(influxReturn2)) } else { w.WriteHeader(http.StatusNotFound) } })) defer fakeInfluxServer.Close() plugin := &influxdb.InfluxDB{ URLs: []string{fakeInfluxServer.URL + "/endpoint"}, } var acc testutil.Accumulator require.NoError(t, acc.GatherError(plugin.Gather)) require.Len(t, acc.Metrics, 34) acc.AssertContainsTaggedFields(t, "influxdb", map[string]interface{}{ "n_shards": 1, }, map[string]string{}) } func TestErrorHandling(t *testing.T) { badServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/endpoint" { _, _ = w.Write([]byte("not json")) } else { w.WriteHeader(http.StatusNotFound) } })) defer badServer.Close() plugin := &influxdb.InfluxDB{ URLs: []string{badServer.URL + "/endpoint"}, } var acc testutil.Accumulator require.Error(t, acc.GatherError(plugin.Gather)) } func TestErrorHandling404(t *testing.T) { badServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/endpoint" { _, _ = w.Write([]byte(basicJSON)) } else { w.WriteHeader(http.StatusNotFound) } })) defer badServer.Close() plugin := &influxdb.InfluxDB{ URLs: []string{badServer.URL}, } var acc testutil.Accumulator require.Error(t, acc.GatherError(plugin.Gather)) } func TestErrorResponse(t *testing.T) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusUnauthorized) w.Write([]byte(`{"error": "unable to parse authentication credentials"}`)) })) defer ts.Close() plugin := &influxdb.InfluxDB{ URLs: []string{ts.URL}, } var acc testutil.Accumulator err := plugin.Gather(&acc) require.NoError(t, err) expected := []error{ &influxdb.APIError{ StatusCode: http.StatusUnauthorized, Reason: fmt.Sprintf("%d %s", http.StatusUnauthorized, http.StatusText(http.StatusUnauthorized)), Description: "unable to parse authentication credentials", }, } require.Equal(t, expected, acc.Errors) } const basicJSON = ` { "_1": { "name": "foo", "tags": { "id": "ex1" }, "values": { "i": -1, "f": 0.5, "b": true, "s": "string" } }, "ignored": { "willBeRecorded": false }, "ignoredAndNested": { "hash": { "is": "nested" } }, "array": [ "makes parsing more difficult than necessary" ], "string": "makes parsing more difficult than necessary", "_2": { "name": "bar", "tags": { "id": "ex2" }, "values": { "x": "x" } }, "pointWithoutFields_willNotBeIncluded": { "name": "asdf", "tags": { "id": "ex3" }, "values": {} } } ` const influxReturn = ` { "cluster": {"name": "cluster", "tags": {}, "values": {}}, "cmdline": ["influxd"], "cq": {"name": "cq", "tags": {}, "values": {}}, "database:_internal": {"name": "database", "tags": {"database": "_internal"}, "values": {"numMeasurements": 8, "numSeries": 12}}, "database:udp": {"name": "database", "tags": {"database": "udp"}, "values": {"numMeasurements": 14, "numSeries": 38}}, "hh:/Users/csparr/.influxdb/hh": {"name": "hh", "tags": {"path": "/Users/csparr/.influxdb/hh"}, "values": {}}, "httpd::8086": {"name": "httpd", "tags": {"bind": ":8086"}, "values": {"req": 7, "reqActive": 1, "reqDurationNs": 4488799}}, "measurement:cpu_idle.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "cpu_idle"}, "values": {"numSeries": 1}}, "measurement:cpu_usage.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "cpu_usage"}, "values": {"numSeries": 1}}, "measurement:database._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "database"}, "values": {"numSeries": 2}}, "measurement:database.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "database"}, "values": {"numSeries": 2}}, "measurement:httpd.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "httpd"}, "values": {"numSeries": 1}}, "measurement:measurement.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "measurement"}, "values": {"numSeries": 22}}, "measurement:mem.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "mem"}, "values": {"numSeries": 1}}, "measurement:net.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "net"}, "values": {"numSeries": 1}}, "measurement:runtime._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "runtime"}, "values": {"numSeries": 1}}, "measurement:runtime.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "runtime"}, "values": {"numSeries": 1}}, "measurement:shard._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "shard"}, "values": {"numSeries": 2}}, "measurement:shard.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "shard"}, "values": {"numSeries": 1}}, "measurement:subscriber._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "subscriber"}, "values": {"numSeries": 1}}, "measurement:subscriber.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "subscriber"}, "values": {"numSeries": 1}}, "measurement:swap_used.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "swap_used"}, "values": {"numSeries": 1}}, "measurement:tsm1_cache._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "tsm1_cache"}, "values": {"numSeries": 2}}, "measurement:tsm1_cache.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "tsm1_cache"}, "values": {"numSeries": 2}}, "measurement:tsm1_wal._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "tsm1_wal"}, "values": {"numSeries": 2}}, "measurement:tsm1_wal.udp": {"name": "measurement", "tags": 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"queryExecutor": {"name": "queryExecutor", "tags": {}, "values": {}}, "shard:/Users/csparr/.influxdb/data/_internal/monitor/2:2": {"name": "shard", "tags": {"database": "_internal", "engine": "tsm1", "id": "2", "path": "/Users/csparr/.influxdb/data/_internal/monitor/2", "retentionPolicy": "monitor"}, "values": {}}, "shard:/Users/csparr/.influxdb/data/udp/default/1:1": {"name": "shard", "tags": {"database": "udp", "engine": "tsm1", "id": "1", "path": "/Users/csparr/.influxdb/data/udp/default/1", "retentionPolicy": "default"}, "values": {"fieldsCreate": 61, "seriesCreate": 33, "writePointsOk": 3613, "writeReq": 110}}, "subscriber": {"name": "subscriber", "tags": {}, "values": {"pointsWritten": 3613}}, "tsm1_cache:/Users/csparr/.influxdb/data/_internal/monitor/2": {"name": "tsm1_cache", "tags": {"database": "_internal", "path": "/Users/csparr/.influxdb/data/_internal/monitor/2", "retentionPolicy": "monitor"}, "values": {"WALCompactionTimeMs": 0, "cacheAgeMs": 1103932, "cachedBytes": 0, "diskBytes": 0, "memBytes": 40480, "snapshotCount": 0}}, "tsm1_cache:/Users/csparr/.influxdb/data/udp/default/1": {"name": "tsm1_cache", "tags": {"database": "udp", "path": "/Users/csparr/.influxdb/data/udp/default/1", "retentionPolicy": "default"}, "values": {"WALCompactionTimeMs": 0, "cacheAgeMs": 1103029, "cachedBytes": 0, "diskBytes": 0, "memBytes": 2359472, "snapshotCount": 0}}, "tsm1_filestore:/Users/csparr/.influxdb/data/_internal/monitor/2": {"name": "tsm1_filestore", "tags": {"database": "_internal", "path": "/Users/csparr/.influxdb/data/_internal/monitor/2", "retentionPolicy": "monitor"}, "values": {}}, "tsm1_filestore:/Users/csparr/.influxdb/data/udp/default/1": {"name": "tsm1_filestore", "tags": {"database": "udp", "path": "/Users/csparr/.influxdb/data/udp/default/1", "retentionPolicy": "default"}, "values": {}}, "tsm1_wal:/Users/csparr/.influxdb/wal/_internal/monitor/2": {"name": "tsm1_wal", "tags": {"database": "_internal", "path": "/Users/csparr/.influxdb/wal/_internal/monitor/2", "retentionPolicy": "monitor"}, "values": {"currentSegmentDiskBytes": 0, "oldSegmentsDiskBytes": 69532}}, "tsm1_wal:/Users/csparr/.influxdb/wal/udp/default/1": {"name": "tsm1_wal", "tags": {"database": "udp", "path": "/Users/csparr/.influxdb/wal/udp/default/1", "retentionPolicy": "default"}, "values": {"currentSegmentDiskBytes": 193728, "oldSegmentsDiskBytes": 1008330}}, "write": {"name": "write", "tags": {}, "values": {"pointReq": 3613, "pointReqLocal": 3613, "req": 110, "subWriteOk": 110, "writeOk": 110}} }` // InfluxDB 1.0+ with tags: null instead of tags: {}. const influxReturn2 = ` { "cluster": {"name": "cluster", "tags": null, "values": {}}, "cmdline": ["influxd"], "cq": {"name": "cq", "tags": null, "values": {}}, "database:_internal": {"name": "database", "tags": {"database": "_internal"}, "values": {"numMeasurements": 8, "numSeries": 12}}, "database:udp": {"name": "database", "tags": {"database": "udp"}, "values": {"numMeasurements": 14, "numSeries": 38}}, "hh:/Users/csparr/.influxdb/hh": {"name": "hh", "tags": {"path": "/Users/csparr/.influxdb/hh"}, "values": {}}, "httpd::8086": {"name": "httpd", "tags": {"bind": ":8086"}, "values": {"req": 7, "reqActive": 1, "reqDurationNs": 4488799}}, "measurement:cpu_idle.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "cpu_idle"}, "values": {"numSeries": 1}}, "measurement:cpu_usage.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "cpu_usage"}, "values": {"numSeries": 1}}, "measurement:database._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "database"}, "values": {"numSeries": 2}}, "measurement:database.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "database"}, "values": {"numSeries": 2}}, "measurement:httpd.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "httpd"}, "values": {"numSeries": 1}}, "measurement:measurement.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "measurement"}, "values": {"numSeries": 22}}, "measurement:mem.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "mem"}, "values": {"numSeries": 1}}, "measurement:net.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "net"}, "values": {"numSeries": 1}}, "measurement:runtime._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "runtime"}, "values": {"numSeries": 1}}, "measurement:runtime.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "runtime"}, "values": {"numSeries": 1}}, "measurement:shard._internal": {"name": "measurement", "tags": {"database": "_internal", "measurement": "shard"}, "values": {"numSeries": 2}}, "measurement:shard.udp": {"name": "measurement", "tags": {"database": "udp", "measurement": "shard"}, "values": {"numSeries": 1}}, "measurement:subscriber._internal": {"name": 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