add support for pdb resource for gateway component

TykTechnologies · Oct 20, 2023 · 2a94252 · 2a94252
1 parent 41f16e3
commit 2a94252
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diff --git a/components/tyk-gateway/templates/pdb-gw.yaml b/components/tyk-gateway/templates/pdb-gw.yaml
@@ -0,0 +1,24 @@
+{{- if and .Values.gateway.minAvailable .Values.gateway.maxUnavailable }}
+{{- print "If gateway.minAvailable and gateway.maxUnavailable are set at the same time, minAvailable takes precedence." }}
+{{- end }}
+{{- if or .Values.gateway.minAvailable .Values.gateway.maxUnavailable }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: gateway-{{ include "tyk-gateway.fullname" . }}
+  labels:
+    app: gateway-{{ include "tyk-gateway.fullname" . }}
+    chart: {{ include "tyk-gateway.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  {{- if .Values.gateway.minAvailable }}
+  minAvailable: {{ .Values.gateway.minAvailable }}
+  {{- else if .Values.gateway.maxUnavailable }}
+  maxUnavailable: {{ .Values.gateway.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      app: gateway-{{ include "tyk-gateway.fullname" . }}
+      release: {{ .Release.Name }}
+{{- end}}
diff --git a/components/tyk-gateway/values.yaml b/components/tyk-gateway/values.yaml
@@ -149,6 +149,12 @@ gateway:
   # replicaCount specifies number of replicas to be created if kind is Deployment.
   replicaCount: 1
 
+  # minAvailable and maxUnavailable configure thresholds for PodDisruptionBudget resource
+  # per PodDisruptionBudget spec they are mutually exclusive, but this chart allows
+  # setting them both, in which case minAvailable will take precedence
+  minAvailable: ""
+  maxUnavailable: ""
+
   image:
     # image repository for Tyk Gateway
     repository: docker.tyk.io/tyk-gateway/tyk-gateway

diff --git a/tyk-mdcb-data-plane/values.yaml b/tyk-mdcb-data-plane/values.yaml
@@ -161,6 +161,12 @@ tyk-gateway:
     # replicaCount specifies number of replicas to be created if kind is Deployment.
     replicaCount: 1
 
+    # minAvailable and maxUnavailable configure thresholds for PodDisruptionBudget resource
+    # per PodDisruptionBudget spec they are mutually exclusive, but this chart allows
+    # setting them both, in which case minAvailable will take precedence
+    minAvailable: ""
+    maxUnavailable: ""
+
     image:
       # image repository for Tyk Gateway
       repository: tykio/tyk-gateway

diff --git a/tyk-oss/values.yaml b/tyk-oss/values.yaml
@@ -133,6 +133,12 @@ tyk-gateway:
     # replicaCount specifies number of replicas to be created if kind is Deployment.
     replicaCount: 1
 
+    # minAvailable and maxUnavailable configure thresholds for PodDisruptionBudget resource
+    # per PodDisruptionBudget spec they are mutually exclusive, but this chart allows
+    # setting them both, in which case minAvailable will take precedence
+    minAvailable: ""
+    maxUnavailable: ""
+
     image:
       # image repository for Tyk Gateway
       repository: docker.tyk.io/tyk-gateway/tyk-gateway

diff --git a/tyk-single-dc/values.yaml b/tyk-single-dc/values.yaml
@@ -232,6 +232,12 @@ tyk-gateway:
     # replicaCount specifies number of replicas to be created if kind is Deployment.
     replicaCount: 1
 
+    # minAvailable and maxUnavailable configure thresholds for PodDisruptionBudget resource
+    # per PodDisruptionBudget spec they are mutually exclusive, but this chart allows
+    # setting them both, in which case minAvailable will take precedence
+    minAvailable: ""
+    maxUnavailable: ""
+
     # analyticsEnabled property is used to enable/disable analytics.
     # If set to empty or nil, analytics will be enabled/disabled based on `global.components.pump`.
     analyticsEnabled: ""