Update ci main (#7351)

* update actions, master to main:

* update cloud build and scripts

.github/ISSUE_TEMPLATE/bug_report.md

@@ -60,11 +60,11 @@ Help up us (if possible) reproducing the issue using minikube or kind.
 
 ## Install the ingress controller
 
-kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/baremetal/deploy.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/baremetal/deploy.yaml
 
 ## Install an application that will act as default backend (is just an echo app)
 
-kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/docs/examples/http-svc.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/docs/examples/http-svc.yaml
 
 ## Create an ingress (please add any additional annotation required)
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -28,6 +28,6 @@ fixes #
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 - [ ] My change requires a change to the documentation.
 - [ ] I have updated the documentation accordingly.
-- [ ] I've read the [CONTRIBUTION](https://github.com/kubernetes/ingress-nginx/blob/master/CONTRIBUTING.md) guide
+- [ ] I've read the [CONTRIBUTION](https://github.com/kubernetes/ingress-nginx/blob/main/CONTRIBUTING.md) guide
 - [ ] I have added tests to cover my changes.
 - [ ] All new and existing tests passed.

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ on:
 
   push:
     branches:
-      - master
+      - main
 
 jobs:
 

.github/workflows/docs.yaml

@@ -3,7 +3,7 @@ name: Documentation
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
 

.github/workflows/helm.yaml

@@ -3,7 +3,7 @@ name: Helm
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
 

cloudbuild.yaml

@@ -21,5 +21,5 @@ steps:
       && make release
 substitutions:
   _GIT_TAG: "12345"
-  _PULL_BASE_REF: "master"
+  _PULL_BASE_REF: "main"
   _PULL_BASE_SHA: '12345'

hack/generate-e2e-suite-doc.sh

@@ -22,7 +22,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-URL="https://github.com/kubernetes/ingress-nginx/tree/master/"
+URL="https://github.com/kubernetes/ingress-nginx/tree/main/"
 DIR=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd -P)
 
 echo "