github.com/hashicorp/nomad/api@v0.0.0-20240306165712-3193ac204f65/operator_metrics_test.go (about)

     1  // Copyright (c) HashiCorp, Inc.
     2  // SPDX-License-Identifier: MPL-2.0
     3  
     4  package api
     5  
     6  import (
     7  	"testing"
     8  
     9  	"github.com/hashicorp/nomad/api/internal/testutil"
    10  	"github.com/shoenig/test/must"
    11  )
    12  
    13  func TestOperator_MetricsSummary(t *testing.T) {
    14  	testutil.Parallel(t)
    15  
    16  	c, s := makeClient(t, nil, func(c *testutil.TestServerConfig) {
    17  		c.DevMode = true
    18  	})
    19  	defer s.Stop()
    20  
    21  	operator := c.Operator()
    22  	qo := &QueryOptions{
    23  		Params: map[string]string{
    24  			"pretty": "1",
    25  		},
    26  	}
    27  
    28  	metrics, qm, err := operator.MetricsSummary(qo)
    29  	must.NoError(t, err)
    30  	must.NotNil(t, metrics)
    31  	must.NotNil(t, qm)
    32  	must.NotNil(t, metrics.Timestamp)       // should always get a TimeStamp
    33  	must.SliceEmpty(t, metrics.Points)      // may not have points yet
    34  	must.SliceNotEmpty(t, metrics.Gauges)   // should have at least 1 gauge
    35  	must.SliceNotEmpty(t, metrics.Counters) // should have at least 1 counter
    36  	must.SliceNotEmpty(t, metrics.Samples)  // should have at least 1 sample
    37  }
    38  
    39  func TestOperator_Metrics_Prometheus(t *testing.T) {
    40  	testutil.Parallel(t)
    41  
    42  	c, s := makeClient(t, nil, func(c *testutil.TestServerConfig) {
    43  		c.DevMode = true
    44  		c.Telemetry = &testutil.Telemetry{PrometheusMetrics: true}
    45  	})
    46  	defer s.Stop()
    47  
    48  	operator := c.Operator()
    49  	qo := &QueryOptions{
    50  		Params: map[string]string{
    51  			"format": "prometheus",
    52  		},
    53  	}
    54  
    55  	metrics, err := operator.Metrics(qo)
    56  	must.NoError(t, err)
    57  	must.NotNil(t, metrics)
    58  	metricString := string(metrics[:])
    59  	must.StrContains(t, metricString, "# HELP")
    60  }