fix: rateLimitDeployment ignoring pod labels and annotation merge #4228
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| creationTimestamp: null | ||
| labels: | ||
| app.kubernetes.io/component: ratelimit | ||
| app.kubernetes.io/managed-by: envoy-gateway | ||
| app.kubernetes.io/name: envoy-ratelimit | ||
| name: envoy-ratelimit | ||
| namespace: envoy-gateway-system | ||
| ownerReferences: | ||
| - apiVersion: apps/v1 | ||
| kind: Deployment | ||
| name: envoy-gateway | ||
| uid: test-owner-reference-uid-for-deployment | ||
| spec: | ||
| progressDeadlineSeconds: 600 | ||
| revisionHistoryLimit: 10 | ||
| selector: | ||
| matchLabels: | ||
| app.kubernetes.io/component: ratelimit | ||
| app.kubernetes.io/managed-by: envoy-gateway | ||
| app.kubernetes.io/name: envoy-ratelimit | ||
| strategy: | ||
| type: RollingUpdate | ||
| template: | ||
| metadata: | ||
| annotations: | ||
| prometheus.io/path: /metrics | ||
| prometheus.io/port: "19001" | ||
| prometheus.io/scrape: "true" | ||
| key1: value1 | ||
| key2: value2 | ||
| creationTimestamp: null | ||
| labels: | ||
| app.kubernetes.io/component: ratelimit | ||
| app.kubernetes.io/managed-by: envoy-gateway | ||
| app.kubernetes.io/name: envoy-ratelimit | ||
| spec: | ||
| automountServiceAccountToken: false | ||
| containers: | ||
| - command: | ||
| - /bin/ratelimit | ||
| env: | ||
| - name: RUNTIME_ROOT | ||
| value: /data | ||
| - name: RUNTIME_SUBDIRECTORY | ||
| value: ratelimit | ||
| - name: RUNTIME_IGNOREDOTFILES | ||
| value: "true" | ||
| - name: RUNTIME_WATCH_ROOT | ||
| value: "false" | ||
| - name: LOG_LEVEL | ||
| value: info | ||
| - name: USE_STATSD | ||
| value: "true" | ||
| - name: STATSD_PORT | ||
| value: "9125" | ||
| - name: CONFIG_TYPE | ||
| value: GRPC_XDS_SOTW | ||
| - name: CONFIG_GRPC_XDS_SERVER_URL | ||
| value: envoy-gateway:18001 | ||
| - name: CONFIG_GRPC_XDS_NODE_ID | ||
| value: envoy-ratelimit | ||
| - name: GRPC_SERVER_USE_TLS | ||
| value: "true" | ||
| - name: GRPC_SERVER_TLS_CERT | ||
| value: /certs/tls.crt | ||
| - name: GRPC_SERVER_TLS_KEY | ||
| value: /certs/tls.key | ||
| - name: GRPC_SERVER_TLS_CA_CERT | ||
| value: /certs/ca.crt | ||
| - name: CONFIG_GRPC_XDS_SERVER_USE_TLS | ||
| value: "true" | ||
| - name: CONFIG_GRPC_XDS_CLIENT_TLS_CERT | ||
| value: /certs/tls.crt | ||
| - name: CONFIG_GRPC_XDS_CLIENT_TLS_KEY | ||
| value: /certs/tls.key | ||
| - name: CONFIG_GRPC_XDS_SERVER_TLS_CACERT | ||
| value: /certs/ca.crt | ||
| - name: FORCE_START_WITHOUT_INITIAL_CONFIG | ||
| value: "true" | ||
| - name: REDIS_SOCKET_TYPE | ||
| value: tcp | ||
| - name: REDIS_URL | ||
| value: redis.redis.svc:6379 | ||
| image: envoyproxy/ratelimit:master | ||
| imagePullPolicy: IfNotPresent | ||
| name: envoy-ratelimit | ||
| ports: | ||
| - containerPort: 8081 | ||
| name: grpc | ||
| protocol: TCP | ||
| readinessProbe: | ||
| failureThreshold: 1 | ||
| httpGet: | ||
| path: /healthcheck | ||
| port: 8080 | ||
| scheme: HTTP | ||
| periodSeconds: 5 | ||
| successThreshold: 1 | ||
| timeoutSeconds: 1 | ||
| resources: | ||
| requests: | ||
| cpu: 100m | ||
| memory: 512Mi | ||
| securityContext: | ||
| allowPrivilegeEscalation: false | ||
| capabilities: | ||
| drop: | ||
| - ALL | ||
| privileged: false | ||
| readOnlyRootFilesystem: true | ||
| runAsGroup: 65534 | ||
| runAsNonRoot: true | ||
| runAsUser: 65534 | ||
| seccompProfile: | ||
| type: RuntimeDefault | ||
| startupProbe: | ||
| failureThreshold: 30 | ||
| httpGet: | ||
| path: /healthcheck | ||
| port: 8080 | ||
| scheme: HTTP | ||
| periodSeconds: 10 | ||
| successThreshold: 1 | ||
| timeoutSeconds: 1 | ||
| terminationMessagePath: /dev/termination-log | ||
| terminationMessagePolicy: File | ||
| volumeMounts: | ||
| - mountPath: /certs | ||
| name: certs | ||
| readOnly: true | ||
| - command: | ||
| - /bin/statsd_exporter | ||
| - --web.listen-address=:19001 | ||
| - --statsd.mapping-config=/etc/statsd-exporter/conf.yaml | ||
| image: prom/statsd-exporter:v0.18.0 | ||
| imagePullPolicy: IfNotPresent | ||
| name: prom-statsd-exporter | ||
| ports: | ||
| - containerPort: 9125 | ||
| name: statsd | ||
| protocol: TCP | ||
| - containerPort: 19001 | ||
| name: metrics | ||
| protocol: TCP | ||
| resources: | ||
| requests: | ||
| cpu: 100m | ||
| memory: 512Mi | ||
| securityContext: | ||
| allowPrivilegeEscalation: false | ||
| capabilities: | ||
| drop: | ||
| - ALL | ||
| privileged: false | ||
| readOnlyRootFilesystem: true | ||
| runAsGroup: 65534 | ||
| runAsNonRoot: true | ||
| runAsUser: 65534 | ||
| seccompProfile: | ||
| type: RuntimeDefault | ||
| terminationMessagePath: /dev/termination-log | ||
| terminationMessagePolicy: File | ||
| volumeMounts: | ||
| - mountPath: /etc/statsd-exporter | ||
| name: statsd-exporter-config | ||
| readOnly: true | ||
| dnsPolicy: ClusterFirst | ||
| restartPolicy: Always | ||
| schedulerName: default-scheduler | ||
| serviceAccountName: envoy-ratelimit | ||
| terminationGracePeriodSeconds: 300 | ||
| volumes: | ||
| - name: certs | ||
| secret: | ||
| defaultMode: 420 | ||
| secretName: envoy-rate-limit | ||
| - configMap: | ||
| defaultMode: 420 | ||
| name: statsd-exporter-config | ||
| optional: true | ||
| name: statsd-exporter-config | ||
| status: {} |
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can L195 be removed ? since L192 is already setting it
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So
maps.Copy(dest, src)overwrites keys existing in both maps with thesrcvalue. I want to make sure noone can override one of the selector labels from therateLimitLabels, so I'm doing the last maps.Copy to overwrite with the selector labels in case someone added one of those labels in their values.Also the destination map must not be nil so I cannot do something like:
as it will fail if no pod labels are provided.
It looks a bit funny, I just didn't want to implement a function that merges two maps, but maybe it's worth it for clarity's sake. Let me know if you think so.
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ah thats a good way to ensure the labels can't be overridden
nit: this as a code comment would be helpful so the next dev gets the "why"