Update otelcontribcol to 0.106.0-gke.2

This change updates otelcoontribcol to latest and modifies to fit breaking changes from 0.104.0 and 0.106.0.

Breaking change in 0.104.0 https://github.com/open-telemetry/opentelemetry-collector-contrib/releases/tag/v0.104.0
Breaking change in 0.106.0 open-telemetry/opentelemetry-collector-contrib#34430

- Localhost is now the default setting, while otel-agent and otel-collector require 0.0.0.0, so the feature gate has been removed.
- The format of the environment variable was updated to meet the new syntax requirements. The otel-agent ConfigMap was split between the reconciler and controllers, ensuring that sync-related labels are only applied to reconcilers.
- A `no_op_label` has been added to ensure that the aggregation in the metricstransform processor filters on all metric labels. This is a temporary workaround until a permanent fix is implemented upstream.

Author: tiffanny29631

Makefile

@@ -89,7 +89,7 @@ COSIGN := $(BIN_DIR)/cosign
 GIT_SYNC_VERSION := v4.3.0-gke.4__linux_amd64
 GIT_SYNC_IMAGE_NAME := gcr.io/config-management-release/git-sync:$(GIT_SYNC_VERSION)
 
-OTELCONTRIBCOL_VERSION := v0.103.0-gke.5
+OTELCONTRIBCOL_VERSION := v0.106.0-gke.2
 OTELCONTRIBCOL_IMAGE_NAME := gcr.io/config-management-release/otelcontribcol:$(OTELCONTRIBCOL_VERSION)
 
 # Directory used for staging Docker contexts.

manifests/base/kustomization.yaml

@@ -23,6 +23,7 @@ resources:
 - ../ns-reconciler-base-cluster-role.yaml
 - ../root-reconciler-base-cluster-role.yaml
 - ../otel-agent-cm.yaml
+- ../otel-agent-reconciler-cm.yaml
 - ../reconciler-manager-service-account.yaml
 - ../reposync-crd.yaml
 - ../rootsync-crd.yaml

manifests/otel-agent-cm.yaml

@@ -32,24 +32,6 @@ data:
         tls:
           insecure: true
     processors:
-      # Attributes processor adds custom configsync metric labels to applicable
-      # metrics to identify the sync object used to configure this deployment.
-      #
-      # Note: configsync.sync.generation is explicitly excluded here, because it
-      # is high cardinality. So we don't want to send it as a label, only as a
-      # resource attribute. That way it's only propagated to Prometheus, and not
-      # Monarch or Cloud Monitoring, which ignore custom resource attributes.
-      attributes:
-        actions:
-          - key: configsync.sync.kind
-            action: upsert
-            value: $CONFIGSYNC_SYNC_KIND
-          - key: configsync.sync.name
-            action: upsert
-            value: $CONFIGSYNC_SYNC_NAME
-          - key: configsync.sync.namespace
-            action: upsert
-            value: $CONFIGSYNC_SYNC_NAMESPACE
       batch:
       # Populate resource attributes from OTEL_RESOURCE_ATTRIBUTES env var and
       # the GCE metadata service, if available.
@@ -62,7 +44,7 @@ data:
       pipelines:
         metrics:
           receivers: [opencensus]
-          processors: [batch, resourcedetection, attributes]
+          processors: [batch, resourcedetection]
           exporters: [opencensus]
       telemetry:
         logs:

manifests/otel-agent-reconciler-cm.yaml

@@ -0,0 +1,69 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: otel-agent-reconciler
+  namespace: config-management-system
+  labels:
+    app: opentelemetry
+    component: otel-agent
+    configmanagement.gke.io/system: "true"
+    configmanagement.gke.io/arch: "csmr"
+data:
+  otel-agent-reconciler-config.yaml: |
+    receivers:
+      opencensus:
+    exporters:
+      opencensus:
+        endpoint: otel-collector.config-management-monitoring:55678
+        tls:
+          insecure: true
+    processors:
+      # Attributes processor adds custom configsync metric labels to applicable
+      # metrics to identify the sync object used to configure this deployment.
+      #
+      # Note: configsync.sync.generation is explicitly excluded here, because it
+      # is high cardinality. So we don't want to send it as a label, only as a
+      # resource attribute. That way it's only propagated to Prometheus, and not
+      # Monarch or Cloud Monitoring, which ignore custom resource attributes.
+      attributes:
+        actions:
+          - key: configsync.sync.kind
+            action: upsert
+            value: ${CONFIGSYNC_SYNC_KIND}
+          - key: configsync.sync.name
+            action: upsert
+            value: ${CONFIGSYNC_SYNC_NAME}
+          - key: configsync.sync.namespace
+            action: upsert
+            value: ${CONFIGSYNC_SYNC_NAMESPACE}
+      batch:
+      # Populate resource attributes from OTEL_RESOURCE_ATTRIBUTES env var and
+      # the GCE metadata service, if available.
+      resourcedetection:
+        detectors: [env, gcp]
+    extensions:
+      health_check:
+    service:
+      extensions: [health_check]
+      pipelines:
+        metrics:
+          receivers: [opencensus]
+          processors: [batch, resourcedetection, attributes]
+          exporters: [opencensus]
+      telemetry:
+        logs:
+          level: "INFO"

manifests/templates/otel-collector.yaml

@@ -101,6 +101,7 @@ spec:
         # The prometheus transformer appends `_ratio` to gauge metrics: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.86.0/pkg/translator/prometheus/normalize_name.go#L149
         # Add the feature gate to enable metric suffix trimming.
         - "--feature-gates=-pkg.translator.prometheus.NormalizeName"
+        - "--feature-gates=-component.UseLocalHostAsDefaultHost"
         resources:
           limits:
             cpu: 1

manifests/templates/reconciler-manager-configmap.yaml

@@ -175,10 +175,11 @@ data:
            command:
            - /otelcontribcol
            args:
-           - "--config=/conf/otel-agent-config.yaml"
+           - "--config=/conf/otel-agent-reconciler-config.yaml"
            # The prometheus transformer appends `_ratio` to gauge metrics: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.86.0/pkg/translator/prometheus/normalize_name.go#L149
            # Add the feature gate to enable metric suffix trimming.
            - "--feature-gates=-pkg.translator.prometheus.NormalizeName"
+           - "--feature-gates=-component.UseLocalHostAsDefaultHost"
            securityContext:
              allowPrivilegeEscalation: false
              readOnlyRootFilesystem: true
@@ -191,7 +192,7 @@ data:
            - containerPort: 8888  # Metrics.
              protocol: TCP
            volumeMounts:
-           - name: otel-agent-config-vol
+           - name: otel-agent-config-reconciler-vol
              mountPath: /conf
            readinessProbe:
              httpGet:
@@ -282,9 +283,9 @@ data:
            secret:
              secretName: git-creds
              defaultMode: 288
-         - name: otel-agent-config-vol
+         - name: otel-agent-config-reconciler-vol
            configMap:
-             name: otel-agent
+             name: otel-agent-reconciler
              defaultMode: 420
          - name: service-account
            emptyDir: {}

manifests/templates/reconciler-manager.yaml

@@ -71,6 +71,7 @@ spec:
         # The prometheus transformer appends `_ratio` to gauge metrics: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.86.0/pkg/translator/prometheus/normalize_name.go#L149
         # Add the feature gate to enable metric suffix trimming.
         - "--feature-gates=-pkg.translator.prometheus.NormalizeName"
+        - "--feature-gates=-component.UseLocalHostAsDefaultHost"
         resources:
           limits:
             cpu: 1

manifests/templates/resourcegroup-manifest.yaml

@@ -232,6 +232,7 @@ spec:
       - args:
         - --config=/conf/otel-agent-config.yaml
         - --feature-gates=-pkg.translator.prometheus.NormalizeName
+        - --feature-gates=-component.UseLocalHostAsDefaultHost
         command:
         - /otelcontribcol
         env:

pkg/metrics/otel.go

@@ -184,7 +184,9 @@ processors:
         new_name: current_declared_resources
         operations:
           - action: aggregate_labels
-            label_set: []
+            # Using a no_op_label to get around issue in the upstream
+            # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34430
+            label_set: [no_op_label]
             aggregation_type: max
       - include: kcc_resource_count
         action: update
@@ -255,14 +257,18 @@ processors:
         new_name: resource_conflicts_count
         operations:
           - action: aggregate_labels
-            label_set: []
+            # Using a no_op_label to get around issue in the upstream
+            # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34430
+            label_set: [no_op_label]
             aggregation_type: max
       - include: internal_errors_total
         action: update
         new_name: internal_errors_count
         operations:
           - action: aggregate_labels
-            label_set: []
+            # Using a no_op_label to get around issue in the upstream
+            # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34430
+            label_set: [no_op_label]
             aggregation_type: max
       - include: remediate_duration_seconds
         action: update
@@ -322,13 +328,17 @@ processors:
         action: update
         operations:
           - action: aggregate_labels
-            label_set: []
+            # Using a no_op_label to get around issue in the upstream
+            # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34430
+            label_set: [no_op_label]
             aggregation_type: max
       - include: kustomize_build_latency
         action: update
         operations:
           - action: aggregate_labels
-            label_set: []
+            # Using a no_op_label to get around issue in the upstream
+            # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34430
+            label_set: [no_op_label]
             aggregation_type: max
 extensions:
   health_check:

pkg/reconcilermanager/controllers/otel_controller_test.go

@@ -49,7 +49,7 @@ const (
 	// otel-collector ConfigMap.
 	// See `CollectorConfigGooglecloud` in `pkg/metrics/otel.go`
 	// Used by TestOtelReconcilerGooglecloud.
-	depAnnotationGooglecloud = "c2f6078a9afe1f32721173e9e15bbab5"
+	depAnnotationGooglecloud = "bfa02552b80a227256e825c807254b40"
 	// depAnnotationGooglecloud is the expected hash of the custom
 	// otel-collector ConfigMap test artifact.
 	// Used by TestOtelReconcilerCustom.