Promote operator.collector.rewritetargetallocator feature flag to sta…

…ble (#2797)

.chloggen/promote-rewrite-featuregate.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action)
+component: target allocator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Promote `operator.collector.rewritetargetallocator` feature flag to stable
+
+# One or more tracking issues related to the change
+issues: [2796]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

internal/manifests/collector/config_replace_test.go

@@ -18,57 +18,17 @@ import (
 	"os"
 	"testing"
 
-	"github.com/prometheus/prometheus/discovery/http"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	colfeaturegate "go.opentelemetry.io/collector/featuregate"
 	"gopkg.in/yaml.v2"
 
 	ta "github.com/open-telemetry/opentelemetry-operator/internal/manifests/targetallocator/adapters"
-	"github.com/open-telemetry/opentelemetry-operator/pkg/featuregate"
 )
 
 func TestPrometheusParser(t *testing.T) {
 	param, err := newParams("test/test-img", "testdata/http_sd_config_test.yaml")
 	assert.NoError(t, err)
 
-	t.Run("should update config with http_sd_config", func(t *testing.T) {
-		err := colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), false)
-		require.NoError(t, err)
-		t.Cleanup(func() {
-			_ = colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), true)
-		})
-		actualConfig, err := ReplaceConfig(param.OtelCol)
-		assert.NoError(t, err)
-
-		// prepare
-		var cfg Config
-		promCfgMap, err := ta.ConfigToPromConfig(actualConfig)
-		assert.NoError(t, err)
-
-		promCfg, err := yaml.Marshal(promCfgMap)
-		assert.NoError(t, err)
-
-		err = yaml.UnmarshalStrict(promCfg, &cfg)
-		assert.NoError(t, err)
-
-		// test
-		expectedMap := map[string]bool{
-			"prometheus": false,
-			"service-x":  false,
-		}
-		for _, scrapeConfig := range cfg.PromConfig.ScrapeConfigs {
-			assert.Len(t, scrapeConfig.ServiceDiscoveryConfigs, 1)
-			assert.Equal(t, scrapeConfig.ServiceDiscoveryConfigs[0].Name(), "http")
-			assert.Equal(t, scrapeConfig.ServiceDiscoveryConfigs[0].(*http.SDConfig).URL, "http://test-targetallocator:80/jobs/"+scrapeConfig.JobName+"/targets?collector_id=$POD_NAME")
-			expectedMap[scrapeConfig.JobName] = true
-		}
-		for k := range expectedMap {
-			assert.True(t, expectedMap[k], k)
-		}
-		assert.True(t, cfg.TargetAllocConfig == nil)
-	})
-
 	t.Run("should update config with targetAllocator block if block not present", func(t *testing.T) {
 		// Set up the test scenario
 		param.OtelCol.Spec.TargetAllocator.Enabled = true
@@ -171,26 +131,7 @@ func TestReplaceConfig(t *testing.T) {
 		assert.YAMLEq(t, expectedConfig, actualConfig)
 	})
 
-	t.Run("should rewrite scrape configs with SD config when TargetAllocator is enabled and feature flag is not set", func(t *testing.T) {
-		err := colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), false)
-		require.NoError(t, err)
-		t.Cleanup(func() {
-			_ = colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), true)
-		})
-
-		param.OtelCol.Spec.TargetAllocator.Enabled = true
-
-		expectedConfigBytes, err := os.ReadFile("testdata/relabel_config_expected_with_sd_config.yaml")
-		assert.NoError(t, err)
-		expectedConfig := string(expectedConfigBytes)
-
-		actualConfig, err := ReplaceConfig(param.OtelCol)
-		assert.NoError(t, err)
-
-		assert.YAMLEq(t, expectedConfig, actualConfig)
-	})
-
-	t.Run("should remove scrape configs if TargetAllocator is enabled and feature flag is set", func(t *testing.T) {
+	t.Run("should remove scrape configs if TargetAllocator is enabled", func(t *testing.T) {
 		param.OtelCol.Spec.TargetAllocator.Enabled = true
 
 		expectedConfigBytes, err := os.ReadFile("testdata/config_expected_targetallocator.yaml")

internal/manifests/collector/configmap_test.go

@@ -17,11 +17,7 @@ package collector
 import (
 	"testing"
 
-	colfeaturegate "go.opentelemetry.io/collector/featuregate"
-
 	"github.com/stretchr/testify/assert"
-
-	"github.com/open-telemetry/opentelemetry-operator/pkg/featuregate"
 )
 
 func TestDesiredConfigMap(t *testing.T) {
@@ -73,111 +69,6 @@ service:
 		}
 	})
 
-	t.Run("should return expected collector config map with http_sd_config if rewrite flag disabled", func(t *testing.T) {
-		err := colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), false)
-		assert.NoError(t, err)
-		t.Cleanup(func() {
-			_ = colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), true)
-		})
-		expectedLables["app.kubernetes.io/component"] = "opentelemetry-collector"
-		expectedLables["app.kubernetes.io/name"] = "test-collector"
-
-		expectedData := map[string]string{
-			"collector.yaml": `exporters:
-  debug:
-receivers:
-  jaeger:
-    protocols:
-      grpc: null
-  prometheus:
-    config:
-      scrape_configs:
-      - http_sd_configs:
-        - url: http://test-targetallocator:80/jobs/otel-collector/targets?collector_id=$POD_NAME
-        job_name: otel-collector
-        scrape_interval: 10s
-service:
-  pipelines:
-    metrics:
-      exporters:
-      - debug
-      processors: []
-      receivers:
-      - prometheus
-      - jaeger
-`,
-		}
-
-		param := deploymentParams()
-		param.OtelCol.Spec.TargetAllocator.Enabled = true
-		actual, err := ConfigMap(param)
-
-		assert.NoError(t, err)
-		assert.Equal(t, "test-collector", actual.GetName())
-		assert.Equal(t, expectedLables, actual.GetLabels())
-		assert.Equal(t, len(expectedData), len(actual.Data))
-		for k, expected := range expectedData {
-			assert.YAMLEq(t, expected, actual.Data[k])
-		}
-
-	})
-
-	t.Run("should return expected escaped collector config map with http_sd_config if rewrite flag disabled", func(t *testing.T) {
-		err := colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), false)
-		assert.NoError(t, err)
-		t.Cleanup(func() {
-			_ = colfeaturegate.GlobalRegistry().Set(featuregate.EnableTargetAllocatorRewrite.ID(), true)
-		})
-
-		expectedLables["app.kubernetes.io/component"] = "opentelemetry-collector"
-		expectedLables["app.kubernetes.io/name"] = "test-collector"
-		expectedLables["app.kubernetes.io/version"] = "latest"
-
-		expectedData := map[string]string{
-			"collector.yaml": `exporters:
-  debug:
-receivers:
-  prometheus:
-    config:
-      scrape_configs:
-      - http_sd_configs:
-        - url: http://test-targetallocator:80/jobs/serviceMonitor%2Ftest%2Ftest%2F0/targets?collector_id=$POD_NAME
-        job_name: serviceMonitor/test/test/0
-    target_allocator:
-      collector_id: ${POD_NAME}
-      endpoint: http://test-targetallocator:80
-      http_sd_config:
-        refresh_interval: 60s
-      interval: 30s
-service:
-  pipelines:
-    metrics:
-      exporters:
-      - debug
-      processors: []
-      receivers:
-      - prometheus
-`,
-		}
-
-		param, err := newParams("test/test-img", "testdata/http_sd_config_servicemonitor_test_ta_set.yaml")
-		assert.NoError(t, err)
-		param.OtelCol.Spec.TargetAllocator.Enabled = true
-		actual, err := ConfigMap(param)
-
-		assert.NoError(t, err)
-		assert.Equal(t, "test-collector", actual.Name)
-		assert.Equal(t, expectedLables, actual.Labels)
-		assert.Equal(t, len(expectedData), len(actual.Data))
-		for k, expected := range expectedData {
-			assert.YAMLEq(t, expected, actual.Data[k])
-		}
-
-		// Reset the value
-		expectedLables["app.kubernetes.io/version"] = "0.47.0"
-
-	})
-
 	t.Run("should return expected escaped collector config map with target_allocator config block", func(t *testing.T) {
 		expectedLables["app.kubernetes.io/component"] = "opentelemetry-collector"
 		expectedLables["app.kubernetes.io/name"] = "test-collector"

pkg/featuregate/featuregate.go

@@ -53,9 +53,10 @@ var (
 	// automatically be rewritten when the target allocator is enabled.
 	EnableTargetAllocatorRewrite = featuregate.GlobalRegistry().MustRegister(
 		"operator.collector.rewritetargetallocator",
-		featuregate.StageBeta,
+		featuregate.StageStable,
 		featuregate.WithRegisterDescription("controls whether the operator should configure the collector's targetAllocator configuration"),
 		featuregate.WithRegisterFromVersion("v0.76.1"),
+		featuregate.WithRegisterToVersion("v0.98.0"),
 	)
 
 	// PrometheusOperatorIsAvailable is the feature gate that enables features associated to the Prometheus Operator.