mirror of https://github.com/status-im/consul.git
98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
package agent
|
|
|
|
import (
|
|
"github.com/stretchr/testify/require"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func checkForShortTesting(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
}
|
|
|
|
func recordPromMetrics(t *testing.T, a *TestAgent, respRec *httptest.ResponseRecorder) {
|
|
req, err := http.NewRequest("GET", "/v1/agent/metrics?format=prometheus", nil)
|
|
require.NoError(t, err, "Failed to generate new http request.")
|
|
|
|
_, err = a.srv.AgentMetrics(respRec, req)
|
|
require.NoError(t, err, "Failed to serve agent metrics")
|
|
|
|
}
|
|
|
|
func assertMetricExistsWithValue(t *testing.T, respRec *httptest.ResponseRecorder, metric string, value string) {
|
|
if respRec.Body.String() == "" {
|
|
t.Fatalf("Response body is empty.")
|
|
}
|
|
|
|
// eg "consul_autopilot_healthy NaN"
|
|
target := metric + " " + value
|
|
|
|
if !strings.Contains(respRec.Body.String(), target) {
|
|
t.Fatalf("Could not find the metric \"%s\" with value \"%s\" in the /v1/agent/metrics response", metric, value)
|
|
}
|
|
}
|
|
|
|
func assertMetricNotExists(t *testing.T, respRec *httptest.ResponseRecorder, metric string) {
|
|
if respRec.Body.String() == "" {
|
|
t.Fatalf("Response body is empty.")
|
|
}
|
|
|
|
if strings.Contains(respRec.Body.String(), metric) {
|
|
t.Fatalf("Didn't expect to find the metric \"%s\" in the /v1/agent/metrics response", metric)
|
|
}
|
|
}
|
|
|
|
// TestHTTPHandlers_AgentMetrics_ConsulAutopilot_Prometheus adds testing around
|
|
// the published autopilot metrics on https://www.consul.io/docs/agent/telemetry#autopilot
|
|
func TestHTTPHandlers_AgentMetrics_ConsulAutopilot_Prometheus(t *testing.T) {
|
|
checkForShortTesting(t)
|
|
// This test cannot use t.Parallel() since we modify global state, ie the global metrics instance
|
|
|
|
t.Run("Check consul_autopilot_* are not emitted metrics on clients", func(t *testing.T) {
|
|
hcl := `
|
|
telemetry = {
|
|
prometheus_retention_time = "5s"
|
|
disable_hostname = true
|
|
metrics_prefix = "agent_1"
|
|
}
|
|
bootstrap = false
|
|
server = false
|
|
`
|
|
|
|
a := StartTestAgent(t, TestAgent{HCL: hcl})
|
|
defer a.Shutdown()
|
|
|
|
respRec := httptest.NewRecorder()
|
|
recordPromMetrics(t, a, respRec)
|
|
|
|
assertMetricNotExists(t, respRec, "agent_1_autopilot_healthy")
|
|
assertMetricNotExists(t, respRec, "agent_1_autopilot_failure_tolerance")
|
|
})
|
|
|
|
t.Run("Check consul_autopilot_healthy metric value on startup", func(t *testing.T) {
|
|
// don't bootstrap agent so as not to
|
|
// become a leader
|
|
hcl := `
|
|
telemetry = {
|
|
prometheus_retention_time = "5s",
|
|
disable_hostname = true
|
|
metrics_prefix = "agent_2"
|
|
}
|
|
bootstrap = false
|
|
`
|
|
|
|
a := StartTestAgent(t, TestAgent{HCL: hcl})
|
|
defer a.Shutdown()
|
|
|
|
respRec := httptest.NewRecorder()
|
|
recordPromMetrics(t, a, respRec)
|
|
|
|
assertMetricExistsWithValue(t, respRec, "agent_2_autopilot_healthy", "NaN")
|
|
assertMetricExistsWithValue(t, respRec, "agent_2_autopilot_failure_tolerance", "NaN")
|
|
})
|
|
}
|