package prometheus import ( "testing" "time" "github.com/stretchr/testify/assert" ) var exptime = time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC) const validUniqueGauge = `# HELP cadvisor_version_info A metric with a constant '1' value labeled by kernel version, OS version, docker version, cadvisor version & cadvisor revision. # TYPE cadvisor_version_info gauge cadvisor_version_info{cadvisorRevision="",cadvisorVersion="",dockerVersion="1.8.2",kernelVersion="3.10.0-229.20.1.el7.x86_64",osVersion="CentOS Linux 7 (Core)"} 1 ` const validUniqueCounter = `# HELP get_token_fail_count Counter of failed Token() requests to the alternate token source # TYPE get_token_fail_count counter get_token_fail_count 0 ` const validUniqueLine = `# HELP get_token_fail_count Counter of failed Token() requests to the alternate token source ` const validUniqueSummary = `# HELP http_request_duration_microseconds The HTTP request latencies in microseconds. # TYPE http_request_duration_microseconds summary http_request_duration_microseconds{handler="prometheus",quantile="0.5"} 552048.506 http_request_duration_microseconds{handler="prometheus",quantile="0.9"} 5.876804288e+06 http_request_duration_microseconds{handler="prometheus",quantile="0.99"} 5.876804288e+06 http_request_duration_microseconds_sum{handler="prometheus"} 1.8909097205e+07 http_request_duration_microseconds_count{handler="prometheus"} 9 ` const validUniqueHistogram = `# HELP apiserver_request_latencies Response latency distribution in microseconds for each verb, resource and client. # TYPE apiserver_request_latencies histogram apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="125000"} 1994 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="250000"} 1997 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="500000"} 2000 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="1e+06"} 2005 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="2e+06"} 2012 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="4e+06"} 2017 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="8e+06"} 2024 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="+Inf"} 2025 apiserver_request_latencies_sum{resource="bindings",verb="POST"} 1.02726334e+08 apiserver_request_latencies_count{resource="bindings",verb="POST"} 2025 ` const validData = `# HELP cadvisor_version_info A metric with a constant '1' value labeled by kernel version, OS version, docker version, cadvisor version & cadvisor revision. # TYPE cadvisor_version_info gauge cadvisor_version_info{cadvisorRevision="",cadvisorVersion="",dockerVersion="1.8.2",kernelVersion="3.10.0-229.20.1.el7.x86_64",osVersion="CentOS Linux 7 (Core)"} 1 # HELP go_gc_duration_seconds A summary of the GC invocation durations. # TYPE go_gc_duration_seconds summary go_gc_duration_seconds{quantile="0"} 0.013534896000000001 go_gc_duration_seconds{quantile="0.25"} 0.02469263 go_gc_duration_seconds{quantile="0.5"} 0.033727822000000005 go_gc_duration_seconds{quantile="0.75"} 0.03840335 go_gc_duration_seconds{quantile="1"} 0.049956604 go_gc_duration_seconds_sum 1970.341293002 go_gc_duration_seconds_count 65952 # HELP http_request_duration_microseconds The HTTP request latencies in microseconds. # TYPE http_request_duration_microseconds summary http_request_duration_microseconds{handler="prometheus",quantile="0.5"} 552048.506 http_request_duration_microseconds{handler="prometheus",quantile="0.9"} 5.876804288e+06 http_request_duration_microseconds{handler="prometheus",quantile="0.99"} 5.876804288e+06 http_request_duration_microseconds_sum{handler="prometheus"} 1.8909097205e+07 http_request_duration_microseconds_count{handler="prometheus"} 9 # HELP get_token_fail_count Counter of failed Token() requests to the alternate token source # TYPE get_token_fail_count counter get_token_fail_count 0 # HELP apiserver_request_latencies Response latency distribution in microseconds for each verb, resource and client. # TYPE apiserver_request_latencies histogram apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="125000"} 1994 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="250000"} 1997 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="500000"} 2000 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="1e+06"} 2005 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="2e+06"} 2012 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="4e+06"} 2017 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="8e+06"} 2024 apiserver_request_latencies_bucket{resource="bindings",verb="POST",le="+Inf"} 2025 apiserver_request_latencies_sum{resource="bindings",verb="POST"} 1.02726334e+08 apiserver_request_latencies_count{resource="bindings",verb="POST"} 2025 ` const prometheusMulti = ` cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 ` const prometheusMultiSomeInvalid = ` cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,cpu=cpu3, host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,cpu=cpu4 , usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 ` func TestParseValidPrometheus(t *testing.T) { parser := PrometheusParser{} // Gauge value metrics, err := parser.Parse([]byte(validUniqueGauge)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "cadvisor_version_info", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "gauge": float64(1), }, metrics[0].Fields()) assert.Equal(t, map[string]string{ "osVersion": "CentOS Linux 7 (Core)", "dockerVersion": "1.8.2", "kernelVersion": "3.10.0-229.20.1.el7.x86_64", }, metrics[0].Tags()) // Counter value //parser.SetDefaultTags(map[string]string{"mytag": "mytagvalue"}) metrics, err = parser.Parse([]byte(validUniqueCounter)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "get_token_fail_count", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "counter": float64(0), }, metrics[0].Fields()) assert.Equal(t, map[string]string{}, metrics[0].Tags()) // Summary data //parser.SetDefaultTags(map[string]string{}) metrics, err = parser.Parse([]byte(validUniqueSummary)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "http_request_duration_microseconds", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "0.5": 552048.506, "0.9": 5.876804288e+06, "0.99": 5.876804288e+06, "count": 9.0, "sum": 1.8909097205e+07, }, metrics[0].Fields()) assert.Equal(t, map[string]string{"handler": "prometheus"}, metrics[0].Tags()) // histogram data metrics, err = parser.Parse([]byte(validUniqueHistogram)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "apiserver_request_latencies", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "500000": 2000.0, "count": 2025.0, "sum": 1.02726334e+08, "250000": 1997.0, "2e+06": 2012.0, "4e+06": 2017.0, "8e+06": 2024.0, "+Inf": 2025.0, "125000": 1994.0, "1e+06": 2005.0, }, metrics[0].Fields()) assert.Equal(t, map[string]string{"verb": "POST", "resource": "bindings"}, metrics[0].Tags()) } func TestParseLineInvalidPrometheus(t *testing.T) { parser := PrometheusParser{} metric, err := parser.ParseLine(validUniqueLine) assert.NotNil(t, err) assert.Nil(t, metric) }