Consolidate YAML files [part-4] (#9241)

This PR consolidates YAML files used in the `tasks/debug-application-cluster` subdirectory. Depends-On: #9236
2018-07-03 02:17:19 +08:00
parent a11e02d575
commit d15da5a726
20 changed files with 38 additions and 49 deletions
@@ -0,0 +1,113 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: fluentd-gcp-v2.0
+  labels:
+    k8s-app: fluentd-gcp
+    kubernetes.io/cluster-service: "true"
+    addonmanager.kubernetes.io/mode: Reconcile
+    version: v2.0
+spec:
+  selector:
+    matchLabels:
+      k8s-app: fluentd-gcp
+      kubernetes.io/cluster-service: "true"
+      version: v2.0
+  updateStrategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        k8s-app: fluentd-gcp
+        kubernetes.io/cluster-service: "true"
+        version: v2.0
+      # This annotation ensures that fluentd does not get evicted if the node
+      # supports critical pod annotation based priority scheme.
+      # Note that this does not guarantee admission on the nodes (#40573).
+      annotations:
+        scheduler.alpha.kubernetes.io/critical-pod: ''
+    spec:
+      dnsPolicy: Default
+      containers:
+      - name: fluentd-gcp
+        image: k8s.gcr.io/fluentd-gcp:2.0.2
+        # If fluentd consumes its own logs, the following situation may happen:
+        # fluentd fails to send a chunk to the server => writes it to the log =>
+        # tries to send this message to the server => fails to send a chunk and so on.
+        # Writing to a file, which is not exported to the back-end prevents it.
+        # It also allows to increase the fluentd verbosity by default.
+        command:
+          - '/bin/sh'
+          - '-c'
+          - '/run.sh $FLUENTD_ARGS 2>&1 >>/var/log/fluentd.log'
+        env:
+        - name: FLUENTD_ARGS
+          value: --no-supervisor
+        resources:
+          limits:
+            memory: 300Mi
+          requests:
+            cpu: 100m
+            memory: 200Mi
+        volumeMounts:
+        - name: varlog
+          mountPath: /var/log
+        - name: varlibdockercontainers
+          mountPath: /var/lib/docker/containers
+          readOnly: true
+        - name: libsystemddir
+          mountPath: /host/lib
+          readOnly: true
+        - name: config-volume
+          mountPath: /etc/fluent/config.d
+        # Liveness probe is aimed to help in situations where fluentd
+        # silently hangs for no apparent reasons until manual restart.
+        # The idea of this probe is that if fluentd is not queueing or
+        # flushing chunks for 5 minutes, something is not right. If
+        # you want to change the fluentd configuration, reducing amount of
+        # logs fluentd collects, consider changing the threshold or turning
+        # liveness probe off completely.
+        livenessProbe:
+          initialDelaySeconds: 600
+          periodSeconds: 60
+          exec:
+            command:
+            - '/bin/sh'
+            - '-c'
+            - >
+              LIVENESS_THRESHOLD_SECONDS=${LIVENESS_THRESHOLD_SECONDS:-300};
+              STUCK_THRESHOLD_SECONDS=${LIVENESS_THRESHOLD_SECONDS:-900};
+              if [ ! -e /var/log/fluentd-buffers ];
+              then
+                exit 1;
+              fi;
+              LAST_MODIFIED_DATE=`stat /var/log/fluentd-buffers | grep Modify | sed -r "s/Modify: (.*)/\1/"`;
+              LAST_MODIFIED_TIMESTAMP=`date -d "$LAST_MODIFIED_DATE" +%s`;
+              if [ `date +%s` -gt `expr $LAST_MODIFIED_TIMESTAMP + $STUCK_THRESHOLD_SECONDS` ];
+              then
+                rm -rf /var/log/fluentd-buffers;
+                exit 1;
+              fi;
+              if [ `date +%s` -gt `expr $LAST_MODIFIED_TIMESTAMP + $LIVENESS_THRESHOLD_SECONDS` ];
+              then
+                exit 1;
+              fi;
+      nodeSelector:
+        beta.kubernetes.io/fluentd-ds-ready: "true"
+      tolerations:
+      - key: "node.alpha.kubernetes.io/ismaster"
+        effect: "NoSchedule"
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: varlog
+        hostPath:
+          path: /var/log
+      - name: varlibdockercontainers
+        hostPath:
+          path: /var/lib/docker/containers
+      - name: libsystemddir
+        hostPath:
+          path: /usr/lib64
+      - name: config-volume
+        configMap:
+          name: fluentd-gcp-config