Make leader election configurable via chart values and change defaults

rancher · Nov 30, 2023 · d1d7396 · d1d7396
1 parent d0178fa
commit d1d7396
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diff --git a/charts/fleet/templates/deployment.yaml b/charts/fleet/templates/deployment.yaml
@@ -39,6 +39,18 @@ spec:
         - name: FLEET_CPU_PPROF_PERIOD
           value: {{ quote .Values.cpuPprof.period }}
         {{- end }}
+        {{- if .Values.leaderElection.leaseDuration }}
+        - name: CATTLE_ELECTION_LEASE_DURATION
+          value: {{.Values.leaderElection.leaseDuration}}
+        {{- end }}
+        {{- if .Values.leaderElection.retryPeriod }}
+        - name: CATTLE_ELECTION_RETRY_PERIOD
+          value: {{.Values.leaderElection.retryPeriod}}
+        {{- end }}
+        {{- if .Values.leaderElection.renewDeadline }}
+        - name: CATTLE_ELECTION_RENEW_DEADLINE
+          value: {{.Values.leaderElection.renewDeadline}}
+        {{- end }}
         {{- if .Values.debug }}
         - name: CATTLE_DEV_MODE
           value: "true"
@@ -80,6 +92,18 @@ spec:
         - name: CATTLE_DEV_MODE
           value: "true"
         {{- end }}
+        {{- if .Values.leaderElection.leaseDuration }}
+        - name: CATTLE_ELECTION_LEASE_DURATION
+          value: {{.Values.leaderElection.leaseDuration}}
+        {{- end }}
+        {{- if .Values.leaderElection.retryPeriod }}
+        - name: CATTLE_ELECTION_RETRY_PERIOD
+          value: {{.Values.leaderElection.retryPeriod}}
+        {{- end }}
+        {{- if .Values.leaderElection.renewDeadline }}
+        - name: CATTLE_ELECTION_RENEW_DEADLINE
+          value: {{.Values.leaderElection.renewDeadline}}
+        {{- end }}
         image: '{{ template "system_default_registry" . }}{{ .Values.image.repository }}:{{ .Values.image.tag }}'
         name: fleet-cleanup
         imagePullPolicy: "{{ .Values.image.imagePullPolicy }}"
@@ -108,6 +132,18 @@ spec:
         - name: CATTLE_DEV_MODE
           value: "true"
         {{- end }}
+        {{- if .Values.leaderElection.leaseDuration }}
+        - name: CATTLE_ELECTION_LEASE_DURATION
+          value: {{.Values.leaderElection.leaseDuration}}
+        {{- end }}
+        {{- if .Values.leaderElection.retryPeriod }}
+        - name: CATTLE_ELECTION_RETRY_PERIOD
+          value: {{.Values.leaderElection.retryPeriod}}
+        {{- end }}
+        {{- if .Values.leaderElection.renewDeadline }}
+        - name: CATTLE_ELECTION_RENEW_DEADLINE
+          value: {{.Values.leaderElection.renewDeadline}}
+        {{- end }}
         image: '{{ template "system_default_registry" . }}{{ .Values.image.repository }}:{{ .Values.image.tag }}'
         name: fleet-agentmanagement
         imagePullPolicy: "{{ .Values.image.imagePullPolicy }}"

diff --git a/charts/fleet/values.yaml b/charts/fleet/values.yaml
@@ -81,3 +81,9 @@ propagateDebugSettingsToAgents: true
 
 migrations:
   clusterRegistrationCleanup: true
+
+## Leader election configuration
+leaderElection:
+  leaseDuration: 30s
+  retryPeriod: 10s
+  renewDeadline: 25s