added affinity and tolerations

Signed-off-by: Gintautas Sulskus <gintautas.sulskus@gmail.com>

contrib/charts/cert-manager/templates/deployment.yaml

@@ -59,6 +59,14 @@ spec:
           {{- if .defaultACMEDNS01ChallengeProvider }}
           - --default-acme-issuer-dns01-provider-name={{ .defaultACMEDNS01ChallengeProvider }}
           {{- end }}
+          {{- end }}
+          {{- if .Values.affinity }}
+          affinity:
+{{ toYaml .Values.affinity | indent 10 }}
+          {{- end }}
+          {{- if .Values.tolerations }}
+          tolerations:
+{{ toYaml .Values.tolerations | indent 10 }}
           {{- end }}
           env:
           - name: POD_NAMESPACE

contrib/charts/cert-manager/values.yaml

@@ -81,3 +81,25 @@ createNamespaceResource: false
 # http_proxy: "http://proxy:8080"
 # http_proxy: "http://proxy:8080"
 # no_proxy: 127.0.0.1,localhost
+
+# expects input structure as per specification https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#affinity-v1-core
+# for example:
+#   affinity:
+#     nodeAffinity:
+#      requiredDuringSchedulingIgnoredDuringExecution:
+#        nodeSelectorTerms:
+#        - matchExpressions:
+#          - key: foo.bar.com/role
+#            operator: In
+#            values:
+#            - master
+affinity: {}
+
+# expects input structure as per specification https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#toleration-v1-core
+# for example:
+#   tolerations:
+#   - key: foo.bar.com/role
+#     operator: Equal
+#     value: master
+#     effect: NoSchedule
+tolerations: []