69 lines
2.4 KiB
YAML
69 lines
2.4 KiB
YAML
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# please keep this file synchronized with cluster/addons/fluentd-gcp/fluentd-gcp-ds.yaml
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apiVersion: v1
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kind: Pod
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metadata:
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name: fluentd-cloud-logging
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namespace: kube-system
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labels:
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k8s-app: fluentd-logging
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spec:
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dnsPolicy: Default
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containers:
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- name: fluentd-cloud-logging
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image: gcr.io/google_containers/fluentd-gcp:1.32
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# If fluentd consumes its own logs, the following situation may happen:
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# fluentd fails to send a chunk to the server => writes it to the log =>
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# tries to send this message to the server => fails to send a chunk and so on.
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# Writing to a file, which is not exported to the back-end prevents it.
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# It also allows to increase the fluentd verbosity by default.
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command:
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- '/bin/sh'
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- '-c'
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- '/run.sh $FLUENTD_ARGS 2>&1 >>/var/log/fluentd.log'
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resources:
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limits:
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memory: 200Mi
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requests:
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# Any change here should be accompanied by a proportional change in CPU
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# requests of other per-node add-ons (e.g. kube-proxy).
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cpu: 100m
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memory: 200Mi
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volumeMounts:
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- name: varlog
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mountPath: /var/log
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- name: varlibdockercontainers
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mountPath: /var/lib/docker/containers
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readOnly: true
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- name: libsystemddir
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mountPath: /host/lib
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# Liveness probe is aimed to help in situarions where fluentd
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# silently hangs for no apparent reasons until manual restart.
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# The idea of this probe is that if fluentd is not queueing or
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# flushing chunks for 5 minutes, something is not right. If
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# you want to change the fluentd configuration, reducing amount of
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# logs fluentd collects, consider changing the threshold or turning
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# liveness probe off completely.
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livenessProbe:
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initialDelaySeconds: 600
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periodSeconds: 60
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exec:
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command:
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- '/bin/sh'
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- '-c'
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- >
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LIVENESS_THRESHOLD_SECONDS=${LIVENESS_THRESHOLD_SECONDS:-600};
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LAST_MODIFIED_DATE=`stat /var/log/fluentd-buffers | grep Modify | sed -r "s/Modify: (.*)/\1/"`;
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LAST_MODIFIED_TIMESTAMP=`date -d "$LAST_MODIFIED_DATE" +%s`;
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if [ `date +%s` -gt `expr $LAST_MODIFIED_TIMESTAMP + $LIVENESS_THRESHOLD_SECONDS` ]; then exit 1; fi;
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terminationGracePeriodSeconds: 30
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volumes:
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- name: varlog
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hostPath:
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path: /var/log
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- name: varlibdockercontainers
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hostPath:
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path: /var/lib/docker/containers
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- name: libsystemddir
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hostPath:
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path: /usr/lib64
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