[ci] Add ssh token for publishing gh-pages (#10338)

* [ci] Added ssh token for publishing gh-pages

* changed ssh commands for gh-pages

* return github_token back to vault secrets

* check simnet-tests-quick without vault secrets

* remove vault secrets from simnet jobs

substrate/.gitlab-ci.yml

@@ -204,6 +204,9 @@ default:
     GITHUB_PR_TOKEN:
       vault:                       cicd/gitlab/parity/GITHUB_PR_TOKEN@kv
       file:                        false
+    GITHUB_TOKEN:
+      vault:                       cicd/gitlab/parity/GITHUB_TOKEN@kv
+      file:                        false
     AWS_ACCESS_KEY_ID:
       vault:                       cicd/gitlab/$CI_PROJECT_PATH/AWS_ACCESS_KEY_ID@kv
       file:                        false
@@ -228,9 +231,9 @@ default:
     GITHUB_RELEASE_TOKEN:
       vault:                       cicd/gitlab/$CI_PROJECT_PATH/GITHUB_RELEASE_TOKEN@kv
       file:                        false
-    GITHUB_TOKEN:
-      vault:                       cicd/gitlab/$CI_PROJECT_PATH/GITHUB_TOKEN@kv
-      file:                        false
+    GITHUB_SSH_PRIV_KEY:
+      vault:                       cicd/gitlab/$CI_PROJECT_PATH/GITHUB_SSH_PRIV_KEY@kv
+      file:                        true
     GITHUB_USER:
       vault:                       cicd/gitlab/$CI_PROJECT_PATH/GITHUB_USER@kv
       file:                        false
@@ -809,12 +812,14 @@ publish-rustdoc:
     # Putting spaces at the front and back to ensure we are not matching just any substring, but the
     # whole space-separated value.
     - '[[ " ${RUSTDOCS_DEPLOY_REFS} " =~ " ${CI_COMMIT_REF_NAME} " ]] || exit 0'
+    # setup ssh
+    - apt-get update && apt-get install -y ssh
     - rm -rf /tmp/*
     # Set git config
-    - rm -rf .git/config
+    - git config core.sshCommand "ssh -i ${GITHUB_SSH_PRIV_KEY} -F /dev/null -o StrictHostKeyChecking=no"
     - git config user.email "devops-team@parity.io"
     - git config user.name "${GITHUB_USER}"
-    - git config remote.origin.url "https://${GITHUB_TOKEN}@github.com/paritytech/${CI_PROJECT_NAME}.git"
+    - git config remote.origin.url "git@github.com:/paritytech/${CI_PROJECT_NAME}.git"
     - git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
     - git fetch origin gh-pages
     # Install `ejs` and generate index.html based on RUSTDOCS_DEPLOY_REFS
@@ -909,7 +914,6 @@ simnet-tests:
   stage:                           deploy
   image:                           docker.io/paritytech/simnet:${SIMNET_REF}
   <<:                              *kubernetes-env
-  <<:                              *vault-secrets
   rules:
     - if: $CI_PIPELINE_SOURCE == "pipeline"
       when: never
@@ -939,7 +943,6 @@ simnet-tests-quick:
   stage:                           deploy
   image:                           docker.io/paritytech/simnet:${SIMNET_REF}
   <<:                              *kubernetes-env
-  <<:                              *vault-secrets
   <<:                              *test-refs-no-trigger-prs-only
   variables:
     SIMNET_FEATURES:               "${SIMNET_FEATURES_PATH}/quick"