Enable DaemonSet configuration #78
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| # 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. | ||
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| apiVersion: v1 | ||
| kind: Namespace | ||
| metadata: | ||
| name: opentelemetry |
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| apiVersion: v1 | ||
| data: | ||
| collector.yaml: | | ||
| # 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. | ||
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| exporters: | ||
| googlecloud: | ||
| log: | ||
| default_log_name: opentelemetry-collector | ||
| user_agent: Google-Cloud-OTLP manifests:0.5.0 OpenTelemetry Collector Built By Google/0.131.0 (linux/amd64) | ||
| googlemanagedprometheus: | ||
| user_agent: Google-Cloud-OTLP manifests:0.5.0 OpenTelemetry Collector Built By Google/0.131.0 (linux/amd64) | ||
| # The otlphttp exporter is used to send traces to Google Cloud Trace using OTLP http/proto | ||
| # The otlp exporter could also be used to send them using OTLP grpc | ||
| otlphttp: | ||
| encoding: proto | ||
| endpoint: https://telemetry.googleapis.com | ||
| # Use the googleclientauth extension to authenticate with Google credentials | ||
| auth: | ||
| authenticator: googleclientauth | ||
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| extensions: | ||
| health_check: | ||
| endpoint: ${env:MY_POD_IP}:13133 | ||
| googleclientauth: | ||
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| processors: | ||
| filter/self-metrics: | ||
| metrics: | ||
| include: | ||
| match_type: strict | ||
| metric_names: | ||
| - otelcol_process_uptime | ||
| - otelcol_process_memory_rss | ||
| - otelcol_grpc_io_client_completed_rpcs | ||
| - otelcol_googlecloudmonitoring_point_count | ||
| batch: | ||
| send_batch_max_size: 200 | ||
| send_batch_size: 200 | ||
| timeout: 5s | ||
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| k8sattributes: | ||
|
Contributor
There was a problem hiding this comment. Please follow https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/processor/k8sattributesprocessor#deployment-scenarios to set the in DS mode so the collector won't buffer all pods in the cluster. |
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| filter: | ||
| node_from_env_var: KUBE_NODE_NAME | ||
| extract: | ||
| metadata: | ||
| - k8s.namespace.name | ||
| - k8s.deployment.name | ||
| - k8s.statefulset.name | ||
| - k8s.daemonset.name | ||
| - k8s.cronjob.name | ||
| - k8s.job.name | ||
| - k8s.replicaset.name | ||
| - k8s.node.name | ||
| - k8s.pod.name | ||
| - k8s.pod.uid | ||
| - k8s.pod.start_time | ||
| passthrough: false | ||
| pod_association: | ||
| - sources: | ||
| - from: resource_attribute | ||
| name: k8s.pod.ip | ||
| - sources: | ||
| - from: resource_attribute | ||
| name: k8s.pod.uid | ||
| - sources: | ||
| - from: connection | ||
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| memory_limiter: | ||
| check_interval: 1s | ||
| limit_percentage: 65 | ||
| spike_limit_percentage: 20 | ||
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| metricstransform/self-metrics: | ||
| transforms: | ||
| - action: update | ||
| include: otelcol_process_uptime | ||
| operations: | ||
| - action: add_label | ||
| new_label: version | ||
| new_value: Google-Cloud-OTLP manifests:0.5.0 OpenTelemetry Collector Built By Google/0.131.0 (linux/amd64) | ||
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| resourcedetection: | ||
| detectors: [gcp] | ||
| timeout: 10s | ||
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| transform/collision: | ||
| metric_statements: | ||
| - context: datapoint | ||
| statements: | ||
| - set(attributes["exported_location"], attributes["location"]) | ||
| - delete_key(attributes, "location") | ||
| - set(attributes["exported_cluster"], attributes["cluster"]) | ||
| - delete_key(attributes, "cluster") | ||
| - set(attributes["exported_namespace"], attributes["namespace"]) | ||
| - delete_key(attributes, "namespace") | ||
| - set(attributes["exported_job"], attributes["job"]) | ||
| - delete_key(attributes, "job") | ||
| - set(attributes["exported_instance"], attributes["instance"]) | ||
| - delete_key(attributes, "instance") | ||
| - set(attributes["exported_project_id"], attributes["project_id"]) | ||
| - delete_key(attributes, "project_id") | ||
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| # The relative ordering of statements between ReplicaSet & Deployment and Job & CronJob are important. | ||
| # The ordering of these controllers is decided based on the k8s controller documentation available at | ||
| # https://kubernetes.io/docs/concepts/workloads/controllers. | ||
| # The relative ordering of the other controllers in this list is inconsequential since they directly | ||
| # create pods. | ||
| transform/aco-gke: | ||
| metric_statements: | ||
| - context: datapoint | ||
| statements: | ||
| - set(attributes["top_level_controller_type"], "ReplicaSet") where resource.attributes["k8s.replicaset.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.replicaset.name"]) where resource.attributes["k8s.replicaset.name"] != nil | ||
| - set(attributes["top_level_controller_type"], "Deployment") where resource.attributes["k8s.deployment.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.deployment.name"]) where resource.attributes["k8s.deployment.name"] != nil | ||
| - set(attributes["top_level_controller_type"], "DaemonSet") where resource.attributes["k8s.daemonset.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.daemonset.name"]) where resource.attributes["k8s.daemonset.name"] != nil | ||
| - set(attributes["top_level_controller_type"], "StatefulSet") where resource.attributes["k8s.statefulset.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.statefulset.name"]) where resource.attributes["k8s.statefulset.name"] != nil | ||
| - set(attributes["top_level_controller_type"], "Job") where resource.attributes["k8s.job.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.job.name"]) where resource.attributes["k8s.job.name"] != nil | ||
| - set(attributes["top_level_controller_type"], "CronJob") where resource.attributes["k8s.cronjob.name"] != nil | ||
| - set(attributes["top_level_controller_name"], resource.attributes["k8s.cronjob.name"]) where resource.attributes["k8s.cronjob.name"] != nil | ||
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| # When sending telemetry to the GCP OTLP endpoint, the gcp.project_id resource attribute is required to be set to your project ID. | ||
| resource/gcp_project_id: | ||
| attributes: | ||
| - key: gcp.project_id | ||
| # MAKE SURE YOU REPLACE THIS WITH YOUR PROJECT ID | ||
| value: ${GOOGLE_CLOUD_PROJECT} | ||
| action: insert | ||
| # The metricstarttime processor is important to include if you are using the prometheus receiver to ensure the start time is set properly. | ||
| # It is a no-op otherwise. | ||
| metricstarttime: | ||
| strategy: subtract_initial_point | ||
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| receivers: | ||
| # This collector is configured to accept OTLP metrics, logs, and traces, and is designed to receive OTLP from workloads running in the cluster. | ||
| otlp: | ||
| protocols: | ||
| grpc: | ||
| endpoint: ${env:MY_POD_IP}:4317 | ||
| http: | ||
| cors: | ||
| allowed_origins: | ||
| - http://* | ||
| - https://* | ||
| endpoint: ${env:MY_POD_IP}:4318 | ||
| otlp/self-metrics: | ||
| protocols: | ||
| grpc: | ||
| endpoint: ${env:MY_POD_IP}:14317 | ||
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| service: | ||
| extensions: | ||
| - health_check | ||
| - googleclientauth | ||
| pipelines: | ||
| logs: | ||
| exporters: | ||
| - googlecloud | ||
| processors: | ||
| - k8sattributes | ||
| - resourcedetection | ||
| - memory_limiter | ||
| - batch | ||
| receivers: | ||
| - otlp | ||
| metrics/otlp: | ||
| exporters: | ||
| - googlemanagedprometheus | ||
| processors: | ||
| - k8sattributes | ||
| - memory_limiter | ||
| - metricstarttime | ||
| - resourcedetection | ||
| - transform/collision | ||
| - transform/aco-gke | ||
| - batch | ||
| receivers: | ||
| - otlp | ||
| metrics/self-metrics: | ||
| exporters: | ||
| - googlemanagedprometheus | ||
| processors: | ||
| - filter/self-metrics | ||
| - metricstransform/self-metrics | ||
| - k8sattributes | ||
| - memory_limiter | ||
| - resourcedetection | ||
| - batch | ||
| receivers: | ||
| - otlp/self-metrics | ||
| traces: | ||
| exporters: | ||
| - otlphttp | ||
| processors: | ||
| - k8sattributes | ||
| - memory_limiter | ||
| - resource/gcp_project_id | ||
| - resourcedetection | ||
| - batch | ||
| receivers: | ||
| - otlp | ||
| telemetry: | ||
| logs: | ||
| encoding: json | ||
| metrics: | ||
| readers: | ||
| - periodic: | ||
| exporter: | ||
| otlp: | ||
| protocol: grpc | ||
| endpoint: ${env:MY_POD_IP}:14317 | ||
| kind: ConfigMap | ||
| metadata: | ||
| creationTimestamp: null | ||
| name: collector-config | ||
| namespace: opentelemetry | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| # 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. | ||
|
|
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| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: opentelemetry-collector | ||
| namespace: opentelemetry | ||
| labels: | ||
| app.kubernetes.io/name: google-built-opentelemetry-collector | ||
| app.kubernetes.io/version: "0.131.0" | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRole | ||
| metadata: | ||
| name: opentelemetry-collector | ||
| namespace: opentelemetry | ||
| labels: | ||
| app.kubernetes.io/name: google-built-opentelemetry-collector | ||
| app.kubernetes.io/version: "0.131.0" | ||
| rules: | ||
| - apiGroups: [""] | ||
| resources: ["pods", "namespaces", "nodes"] | ||
| verbs: ["get", "watch", "list"] | ||
| - apiGroups: ["apps"] | ||
| resources: ["replicasets"] | ||
| verbs: ["get", "list", "watch"] | ||
| - apiGroups: ["extensions"] | ||
| resources: ["replicasets"] | ||
| verbs: ["get", "list", "watch"] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRoleBinding | ||
| metadata: | ||
| name: opentelemetry-collector | ||
| labels: | ||
| app.kubernetes.io/name: google-built-opentelemetry-collector | ||
| app.kubernetes.io/version: "0.131.0" | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: opentelemetry-collector | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: opentelemetry-collector | ||
| namespace: opentelemetry |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| # 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. | ||
|
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| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: opentelemetry-collector | ||
| namespace: opentelemetry | ||
| labels: | ||
| app: opentelemetry-collector | ||
| spec: | ||
| type: ClusterIP | ||
| selector: | ||
| app: opentelemetry-collector | ||
| internalTrafficPolicy: Cluster | ||
| trafficDistribution: PreferClose | ||
| ports: | ||
| - name: otel-grpc | ||
| protocol: TCP | ||
| port: 4317 | ||
| targetPort: 4317 | ||
| - name: otlp-http | ||
| port: 4318 | ||
| targetPort: 4318 | ||
| protocol: TCP |
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This is probably a good option for some users, but i'm not sure we want to document this as a best-practice for everyone. I realized this means it won't distribute traffic equally cluster-wide anymore: https://kubernetes.io/docs/reference/networking/virtual-ips/#considerations-for-using-traffic-distribution-control. HPA scaling won't interact properly with this because traffic will still prefer a node-local collector, even if that collector is overloaded and others are underutilized.
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Prefer zonal might make sense, but that also assumes that traffic is distributed equally across zones. I wonder if HPA can independently scale the deployment in each zone to match the zonal traffic...
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We can change the HPA to scale zonally also. I believe that a multizone GKE cluster would be the standard for most installations, however I can be wrong about this. This configuration has a preference for the zone communication and should work with a single zone. The equal distribution of traffic is also a standard, to my knowledge. However, we can also add these configurations as an overlay.