- update deploy script to get sendgrid api key from backend to templa…

…te into alertmanager config

- Update manifest to pull alertmanager binary and start it

tdrs-backend/plg/alertmanager/manifest.yml

@@ -1,10 +1,15 @@
 version: 1
 applications:
   - name: alertmanager
-    memory: 512M
-    disk_quota: 1G
+    memory: 128M
+    disk_quota: 5G
     instances: 1
     command: |
-      mkdir /tmp
+      mkdir data
+      wget https://github.com/prometheus/alertmanager/releases/download/v0.27.0/alertmanager-0.27.0.linux-amd64.tar.gz
+      tar -zxvf alertmanager-0.27.0.linux-amd64.tar.gz
+      mv alertmanager-0.27.0.linux-amd64 alertmanager
+      rm -rf alertmanager-0.27.0.linux-amd64.tar.gz
+      ./alertmanager --config.file=/home/vcap/app/alertmanager.prod.yml --storage.path=/home/vcap/app/data --log.level=debug --web.external-url=http://alertmanager.apps.internal:8080/alerts --web.route-prefix=/alerts --cluster.listen-address=""
     buildpacks:
     - https://github.com/cloudfoundry/binary-buildpack

tdrs-backend/plg/deploy.sh

@@ -103,6 +103,10 @@ deploy_loki() {
 
 deploy_alertmanager() {
     pushd alertmanager
+    CONFIG=alertmanager.prod.yml
+    cp alertmanager.yml $CONFIG
+    SENDGRID_API_KEY=$(cf env tdp-backend-prod | grep SENDGRID | cut -d " " -f2-)
+    yq eval -i ".global.smtp_auth_password = \"$SENDGRID_API_KEY\"" $CONFIG
     cf push --no-route -f manifest.yml -t 180  --strategy rolling
     cf map-route alertmanager apps.internal --hostname alertmanager
 
@@ -118,6 +122,7 @@ deploy_alertmanager() {
     done
     cf add-network-policy alertmanager $PROD_FRONTEND --protocol tcp --port 80
     cf add-network-policy $PROD_FRONTEND alertmanager -s tanf-prod --protocol tcp --port 8080
+    rm $CONFIG
     popd
 }