Merge pull request #18 from seekingalpha/sa_devops_create_gh_deploy_w…

…orkflow

Sa devops create gh deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,49 @@
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        type: string
+        description: |
+          RC version + git commit number.
+
+          For a list of available versions, look in
+
+          s3://seekingalpha-rocketchat-builds/
+
+          for rocket.chat-VERSION.tgz
+
+          Special versions:
+
+          latest  = version last built
+
+          staging = version last deployed to staging
+
+          production = version last deployed to production
+        required: true
+
+      environment:
+        type: choice
+        description: chose the AWS environment
+        options:
+          - staging
+          - production
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  deploy:
+    name: deploy
+    environment: ${{ inputs.environment }}
+    runs-on: [rocketchat]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: test
+        run: |
+          echo "test"

github.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+
+set -o errexit
+
+case $JOB_BASE_NAME in
+  *staging*)    environment=staging ;;
+  *production*) environment=production ;;
+  *)            echo "ERROR: Can’t infer environment from job name!"; exit 99 ;;
+esac
+
+rc_dir="/opt/rocket-chat"
+s3_bucket="seekingalpha-rocketchat-builds"
+
+## Note: $version is a Jenkins job parameter.
+## We accept either the full tarball filename or just its version substring.
+if [[ "$version" == rocket.chat-*.tgz ]]
+then
+  rc_tarball="$version"
+else
+  rc_tarball="rocket.chat-$version.tgz"
+fi
+
+function hr() {
+  echo "==========================================================================="
+}
+
+
+## Strip off the trailing letter from the region: Use us-west-2, not us-west-2a
+export AWS_DEFAULT_REGION=$(ec2metadata --availability-zone | awk '{print substr($0,1,length($0)-1)}')
+
+## EXPORTED variables ending in _ENVSUBST are for expansion in the .tpl template files.
+export AWS_DEFAULT_REGION_ENVSUBST=$AWS_DEFAULT_REGION
+export ENV_ENVSUBST=$environment
+export RC_DIR_ENVSUBST=$rc_dir
+export S3_BUCKET_ENVSUBST=$s3_bucket
+export RC_TARBALL_ENVSUBST=$rc_tarball
+
+## Render Script Templates
+envsubst_varlist=$( ruby -e 'puts ENV.keys.select{ |name| name.end_with?("_ENVSUBST") }.map{ |name| "$#{name}" }.join(",")' )
+envsubst "$envsubst_varlist" < ./pre_install.sh.tpl  > ./pre_install.sh
+envsubst "$envsubst_varlist" < ./rotate_version.sh.tpl > ./rotate_version.sh
+
+## When deploying to production, run using the "rocketchat-deploy" role
+if [[ $environment == production ]] ; then
+  assumed_role_json=$(
+    aws \
+      --output json \
+      sts assume-role \
+      --role-arn arn:aws:iam::618678420696:role/switch-account-deploy-rocket-chat \
+      --role-session-name rocketchat-deploy
+  )
+  assumed_role_variables=$(
+    echo "${assumed_role_json}" | jq -r \
+    '
+      "export AWS_SESSION_TOKEN=" + .Credentials.SessionToken + "\n" +
+      "export AWS_ACCESS_KEY_ID=" + .Credentials.AccessKeyId + "\n" +
+      "export AWS_SECRET_ACCESS_KEY=" + .Credentials.SecretAccessKey + "\n"
+    '
+  )
+  eval "$assumed_role_variables"
+fi
+
+## Get instance IPs one per line (multiline string)
+rc_instance_ips=$(
+  aws ec2 describe-instances \
+      --filters Name=instance-state-name,Values=running \
+                Name=tag:aws:autoscaling:groupName,Values=rocketchat \
+      --query "Reservations[*].Instances[*].NetworkInterfaces[0].PrivateIpAddress" \
+      --output text
+)
+
+
+## Install RC tarball (and its dependencies) onto all RC nodes
+hr
+echo "Installing new build onto all RC nodes:"
+parallel-ssh \
+  --inline --timeout 600 --user deploy \
+  --hosts <(echo "$rc_instance_ips") \
+  --send-input < ./pre_install.sh
+hr
+
+## Activate new version
+echo "Activating new build on all RC nodes:"
+parallel-ssh \
+  --inline --timeout 600 --user deploy \
+  --hosts <(echo "$rc_instance_ips") \
+  --send-input < ./rotate_version.sh
+hr
+
+## Update the version marker file
+echo "Mark which RC build is now active..."
+current_marker_file="rocket.chat-$environment.tgz"
+aws s3 cp "s3://$s3_bucket/$rc_tarball" "s3://$s3_bucket/$current_marker_file" --acl public-read
+hr
+
+## Flush CDN
+echo "Flushing $environment CDN"
+unset AWS_SESSION_TOKEN
+unset AWS_ACCESS_KEY_ID
+unset AWS_SECRET_ACCESS_KEY
+FASTLY_SERVICE=$(aws ssm get-parameter --name /rocketchat/fastly_service_id --with-decryption --query Parameter.Value --output text)
+FASTLY_TOKEN=$(aws ssm get-parameter --name /rocketchat/fastly_api_key --with-decryption --query Parameter.Value --output text)
+curl -X POST -H "Fastly-Key: $FASTLY_TOKEN" "https://api.fastly.com/service/$FASTLY_SERVICE/purge/$environment"