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Promote Agent mode to it's own cmdline flag

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Signed-off-by: Arthur Silva Sens <arthursens2005@gmail.com>
This commit is contained in:
Arthur Silva Sens 2024-08-29 14:45:09 -03:00 committed by Jan Fajerski
parent befcfadf78
commit ca1f30bb6e
3 changed files with 8 additions and 7 deletions
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3
cmd/prometheus/main.go
View file

@ -200,9 +200,6 @@ func (c *flagConfig) setFeatureListOptions(logger log.Logger) error {
case "new-service-discovery-manager":
c.enableNewSDManager = true
level.Info(logger).Log("msg", "Experimental service discovery manager")
case "agent":
agentMode = true
level.Info(logger).Log("msg", "Experimental agent mode enabled.")
case "promql-per-step-stats":
c.enablePerStepStats = true
level.Info(logger).Log("msg", "Experimental per-step statistics reporting")

8
cmd/prometheus/main_test.go
View file

@ -348,7 +348,7 @@ func getCurrentGaugeValuesFor(t *testing.T, reg prometheus.Gatherer, metricNames
}
func TestAgentSuccessfulStartup(t *testing.T) {
prom := exec.Command(promPath, "-test.main", "--enable-feature=agent", "--web.listen-address=0.0.0.0:0", "--config.file="+agentConfig)
prom := exec.Command(promPath, "-test.main", "--agent", "--web.listen-address=0.0.0.0:0", "--config.file="+agentConfig)
require.NoError(t, prom.Start())
actualExitStatus := 0
@ -366,7 +366,7 @@ func TestAgentSuccessfulStartup(t *testing.T) {
}
func TestAgentFailedStartupWithServerFlag(t *testing.T) {
prom := exec.Command(promPath, "-test.main", "--enable-feature=agent", "--storage.tsdb.path=.", "--web.listen-address=0.0.0.0:0", "--config.file="+promConfig)
prom := exec.Command(promPath, "-test.main", "--agent", "--storage.tsdb.path=.", "--web.listen-address=0.0.0.0:0", "--config.file="+promConfig)
output := bytes.Buffer{}
prom.Stderr = &output
@ -393,7 +393,7 @@ func TestAgentFailedStartupWithServerFlag(t *testing.T) {
}
func TestAgentFailedStartupWithInvalidConfig(t *testing.T) {
prom := exec.Command(promPath, "-test.main", "--enable-feature=agent", "--web.listen-address=0.0.0.0:0", "--config.file="+promConfig)
prom := exec.Command(promPath, "-test.main", "--agent", "--web.listen-address=0.0.0.0:0", "--config.file="+promConfig)
require.NoError(t, prom.Start())
actualExitStatus := 0
@ -431,7 +431,7 @@ func TestModeSpecificFlags(t *testing.T) {
args := []string{"-test.main", tc.arg, t.TempDir(), "--web.listen-address=0.0.0.0:0"}
if tc.mode == "agent" {
args = append(args, "--enable-feature=agent", "--config.file="+agentConfig)
args = append(args, "--agent", "--config.file="+agentConfig)
} else {
args = append(args, "--config.file="+promConfig)
}

4
docs/command-line/prometheus.md
View file

@ -55,7 +55,11 @@ The Prometheus monitoring server
| <code class="text-nowrap">--query.timeout</code> | Maximum time a query may take before being aborted. Use with server mode only. | `2m` |
| <code class="text-nowrap">--query.max-concurrency</code> | Maximum number of queries executed concurrently. Use with server mode only. | `20` |
| <code class="text-nowrap">--query.max-samples</code> | Maximum number of samples a single query can load into memory. Note that queries will fail if they try to load more samples than this into memory, so this also limits the number of samples a query can return. Use with server mode only. | `50000000` |
<<<<<<< HEAD
| <code class="text-nowrap">--enable-feature</code> <code class="text-nowrap">...<code class="text-nowrap"> | Comma separated feature names to enable. Valid options: auto-gomemlimit, exemplar-storage, expand-external-labels, memory-snapshot-on-shutdown, promql-per-step-stats, promql-experimental-functions, extra-scrape-metrics, new-service-discovery-manager, auto-gomaxprocs, no-default-scrape-port, native-histograms, otlp-write-receiver, created-timestamp-zero-ingestion, concurrent-rule-eval. See https://prometheus.io/docs/prometheus/latest/feature_flags/ for more details. | |
=======
| <code class="text-nowrap">--enable-feature</code> | Comma separated feature names to enable. Valid options: auto-gomemlimit, exemplar-storage, expand-external-labels, memory-snapshot-on-shutdown, promql-per-step-stats, promql-experimental-functions, extra-scrape-metrics, new-service-discovery-manager, auto-gomaxprocs, no-default-scrape-port, native-histograms, otlp-write-receiver, created-timestamp-zero-ingestion, concurrent-rule-eval. See https://prometheus.io/docs/prometheus/latest/feature_flags/ for more details. | |
>>>>>>> 60b9e9fc1 (Promote Agent mode to it's own cmdline flag)
| <code class="text-nowrap">--agent</code> | Run Prometheus in 'Agent mode'. | |
| <code class="text-nowrap">--log.level</code> | Only log messages with the given severity or above. One of: [debug, info, warn, error] | `info` |
| <code class="text-nowrap">--log.format</code> | Output format of log messages. One of: [logfmt, json] | `logfmt` |