add configurable rolling update strategy.

istio · Jul 17, 2019 · b8c66ce · b8c66ce
1 parent 6e0a06a
commit b8c66ce
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Showing 14 changed files with 38 additions and 10 deletions.
diff --git a/install/kubernetes/helm/istio/charts/galley/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/galley/templates/deployment.yaml
@@ -16,8 +16,8 @@ spec:
       istio: galley
   strategy:
     rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+      maxSurge: {{ .Values.rollingMaxSurge }}
+      maxUnavailable: {{ .Values.rollingMaxUnavailable }}
   template:
     metadata:
       labels:

diff --git a/install/kubernetes/helm/istio/charts/galley/values.yaml b/install/kubernetes/helm/istio/charts/galley/values.yaml
@@ -3,6 +3,8 @@
 #
 enabled: true
 replicaCount: 1
+rollingMaxSurge: 100%
+rollingMaxUnavailable: 25%
 image: galley
 nodeSelector: {}
 tolerations: []

diff --git a/install/kubernetes/helm/istio/charts/gateways/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/gateways/templates/deployment.yaml
@@ -26,6 +26,10 @@ spec:
       {{- range $key, $val := $spec.labels }}
       {{ $key }}: {{ $val }}
       {{- end }}
+  strategy:
+    rollingUpdate:
+      maxSurge: {{ $spec.rollingMaxSurge }}
+      maxUnavailable: {{ $spec.rollingMaxUnavailable }}
   template:
     metadata:
       labels:

diff --git a/install/kubernetes/helm/istio/charts/gateways/values.yaml b/install/kubernetes/helm/istio/charts/gateways/values.yaml
@@ -34,6 +34,8 @@ istio-ingressgateway:
   autoscaleMax: 5
   # specify replicaCount when autoscaleEnabled: false
   # replicaCount: 1
+  rollingMaxSurge: 100%
+  rollingMaxUnavailable: 25%
   resources:
     requests:
       cpu: 100m
@@ -164,6 +166,8 @@ istio-egressgateway:
   autoscaleMax: 5
   # specify replicaCount when autoscaleEnabled: false
   # replicaCount: 1
+  rollingMaxSurge: 100%
+  rollingMaxUnavailable: 25%
   resources:
     requests:
       cpu: 100m
@@ -243,6 +247,8 @@ istio-ilbgateway:
   autoscaleMax: 5
   # specify replicaCount when autoscaleEnabled: false
   # replicaCount: 1
+  rollingMaxSurge: 100%
+  rollingMaxUnavailable: 25%
   cpu:
     targetAverageUtilization: 80
   resources:

diff --git a/install/kubernetes/helm/istio/charts/istiocoredns/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/istiocoredns/templates/deployment.yaml
@@ -13,6 +13,10 @@ spec:
   selector:
     matchLabels:
       app: istiocoredns
+  strategy:
+    rollingUpdate:
+      maxSurge: {{ .Values.rollingMaxSurge }}
+      maxUnavailable: {{ .Values.rollingMaxUnavailable }}
   template:
     metadata:
       name: istiocoredns

diff --git a/install/kubernetes/helm/istio/charts/istiocoredns/values.yaml b/install/kubernetes/helm/istio/charts/istiocoredns/values.yaml
@@ -3,6 +3,8 @@
 #
 enabled: false
 replicaCount: 1
+rollingMaxSurge: 100%
+rollingMaxUnavailable: 25%
 coreDNSImage: coredns/coredns:1.1.2
 # Source code for the plugin can be found at
 # https://github.com/istio-ecosystem/istio-coredns-plugin

diff --git a/install/kubernetes/helm/istio/charts/mixer/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/mixer/templates/deployment.yaml
@@ -387,8 +387,8 @@ spec:
 {{- end }}
   strategy:
     rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+      maxSurge: {{ $spec.rollingMaxSurge }}
+      maxUnavailable: {{ $spec.rollingMaxUnavailable }}
   selector:
     matchLabels:
       istio: mixer

diff --git a/install/kubernetes/helm/istio/charts/mixer/values.yaml b/install/kubernetes/helm/istio/charts/mixer/values.yaml
@@ -17,6 +17,8 @@ policy:
   autoscaleMax: 5
   cpu:
     targetAverageUtilization: 80
+  rollingMaxSurge: 100%
+  rollingMaxUnavailable: 25%
 
 telemetry:
   enabled: true
@@ -26,6 +28,8 @@ telemetry:
   autoscaleMax: 5
   cpu:
     targetAverageUtilization: 80
+  rollingMaxSurge: 100%
+  rollingMaxUnavailable: 25%
   sessionAffinityEnabled: false
 
   # mixer load shedding configuration.

diff --git a/install/kubernetes/helm/istio/charts/pilot/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/pilot/templates/deployment.yaml
@@ -22,8 +22,8 @@ spec:
 {{- end }}
   strategy:
     rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+      maxSurge: {{ .Values.rollingMaxSurge }}
+      maxUnavailable: {{ .Values.rollingMaxUnavailable }}
   selector:
     matchLabels:
       istio: pilot

diff --git a/install/kubernetes/helm/istio/charts/pilot/values.yaml b/install/kubernetes/helm/istio/charts/pilot/values.yaml
@@ -7,6 +7,8 @@ autoscaleMin: 1
 autoscaleMax: 5
 # specify replicaCount when autoscaleEnabled: false
 # replicaCount: 1
+rollingMaxSurge: 100%
+rollingMaxUnavailable: 25%
 image: pilot
 sidecar: true
 traceSampling: 1.0

diff --git a/install/kubernetes/helm/istio/charts/security/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/security/templates/deployment.yaml
@@ -17,8 +17,8 @@ spec:
       istio: citadel
   strategy:
     rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+      maxSurge: {{ .Values.rollingMaxSurge }}
+      maxUnavailable: {{ .Values.rollingMaxUnavailable }}
   template:
     metadata:
       labels:

diff --git a/install/kubernetes/helm/istio/charts/security/values.yaml b/install/kubernetes/helm/istio/charts/security/values.yaml
@@ -3,6 +3,8 @@
 #
 enabled: true
 replicaCount: 1
+rollingMaxSurge: 100%
+rollingMaxUnavailable: 25%
 image: citadel
 selfSigned: true # indicate if self-signed CA is used.
 createMeshPolicy: true

diff --git a/install/kubernetes/helm/istio/charts/sidecarInjectorWebhook/templates/deployment.yaml b/install/kubernetes/helm/istio/charts/sidecarInjectorWebhook/templates/deployment.yaml
@@ -16,8 +16,8 @@ spec:
       istio: sidecar-injector
   strategy:
     rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+      maxSurge: {{ .Values.rollingMaxSurge }}
+      maxUnavailable: {{ .Values.rollingMaxUnavailable }}
   template:
     metadata:
       labels:

diff --git a/install/kubernetes/helm/istio/charts/sidecarInjectorWebhook/values.yaml b/install/kubernetes/helm/istio/charts/sidecarInjectorWebhook/values.yaml
@@ -3,6 +3,8 @@
 #
 enabled: true
 replicaCount: 1
+rollingMaxSurge: 100%
+rollingMaxUnavailable: 25%
 image: sidecar_injector
 enableNamespacesByDefault: false
 nodeSelector: {}