Merge pull request #9626 from FrankYang0529/fix/render-double-curly-b…

…races

fix(docs): render double curly braces

docs/development/adding_a_feature.md

@@ -57,20 +57,20 @@ one file per range of Kubernetes versions. These files are referenced by upup/pk
 First we add to the `cilium-config` ConfigMap:
 
 ```go
-  {{ with .Ipam }}
-  ipam: {{ . }}
-  {{ if eq . "eni" }}
+  {{ '{{ with .Ipam }}' }}
+  ipam: {{ '{{ . }}' }}
+  {{ '{{ if eq . "eni" }}' }}
   enable-endpoint-routes: "true"
   auto-create-cilium-node-resource: "true"
   blacklist-conflicting-routes: "false"
-  {{ end }}
-  {{ end }}
+  {{ '{{ end }}' }}
+  {{ '{{ end }}' }}
 ```
 
 Then we conditionally move cilium-operator to masters:
 
 ```go
-      {{ if eq .Ipam "eni" }}
+      {{ '{{ if eq .Ipam "eni" }}' }}
       nodeSelector:
         node-role.kubernetes.io/master: ""
       tolerations:
@@ -84,7 +84,7 @@ Then we conditionally move cilium-operator to masters:
         key: node.kubernetes.io/unreachable
         operator: Exists
         tolerationSeconds: 300
-      {{ end }}
+      {{ '{{ end }}' }}
 ```
 
 ## Configuring kubelet

docs/operations/cluster_template.md

@@ -13,21 +13,21 @@ apiVersion: kops.k8s.io/v1alpha2
 kind: InstanceGroup
 metadata:
   labels:
-  kops.k8s.io/cluster: {{.clusterName}}.{{.dnsZone}}
+  kops.k8s.io/cluster: {{ '{{.clusterName}}.{{.dnsZone}}' }}
   name: nodes
 spec:
   image: coreos.com/CoreOS-stable-1409.6.0-hvm
-  kubernetesVersion: {{.kubernetesVersion}
+  kubernetesVersion: {{ '{{.kubernetesVersion}}' }}
   machineType: m4.large
   maxPrice: "0.5"
   maxSize: 20
   minSize: 15
   role: Node
   rootVolumeSize: 100
   subnets:
-  - {{.awsRegion}}a
-  - {{.awsRegion}}b
-  - {{.awsRegion}}c
+  - {{ '{{.awsRegion}}' }}a
+  - {{ '{{.awsRegion}}' }}b
+  - {{ '{{.awsRegion}}' }}c
 ```
 
 You can pass configuration such as an environment file by using the `--values PATH` command line option. Note `--values` is a slice so can be defined multiple times; the configuration is overridden by each configuration file *(so order is important assuming duplicating values)*; a use-case for this would be a default configuration which upstream clusters can override.
@@ -108,26 +108,26 @@ The example below assumes you have placed the appropriate files i.e. *(nodes.jso
 apiVersion: kops.k8s.io/v1alpha2
 kind: Cluster
 metadata:
-  name: {{ .environment }}.{{ .dns_zone }}
+  name: {{ '{{ .environment }}.{{ .dns_zone }}' }}
 spec:
   docker:
-    {{ include "docker" . | indent 4 }}
+    {{ '{{ include "docker" . | indent 4 }}' }}
   additionalPolicies:
     master: |
-      {{ include "masters.json" . | indent 6 }}
+      {{ '{{ include "masters.json" . | indent 6 }}' }}
     node: |
-      {{ include "nodes.json" . | indent 6 }}
+      {{ '{{ include "nodes.json" . | indent 6 }}' }}
 ```
 
 ### Template Functions
 
 The entire set of https://github.com/Masterminds/sprig functions are available within the templates for you. Note if you want to use the 'defaults' functions switch off the verification check on the command line by `--fail-on-missing=false`;
 
 ```YAML
-image: {{ default $image $node.image }}
-machineType: {{ default $instance $node.machine_type }}
-maxSize: {{ default "10" $node.max_size }}
-minSize: {{ default "1" $node.min_size }}
+image: {{ '{{ default $image $node.image }}' }}
+machineType: {{ '{{ default $instance $node.machine_type }}' }}
+maxSize: {{ '{{ default "10" $node.max_size }}' }}
+minSize: {{ '{{ default "1" $node.min_size }}' }}
 ```
 
 ### Formatting