feat: add script to wait for deployer to exit

Author: Westlad

./workflows/dev.yml

@@ -114,16 +114,16 @@ jobs:
 SSH_HOST: ohio.nightfall3.com
 - name: Copy files
 run: |
-scp dev.env pull-images.sh docker-compose.beta.yml dev:~/
+scp dev.env pull-images.sh docker-compose.beta.yml await-deployer.sh dev:~/
 ssh dev 'mv dev.env .env'
 ssh dev 'mv docker-compose.beta.yml docker-compose.yml'
  - name: Login to docker registry
 run: echo "${{ secrets._TOKEN }}" | docker login ghcr.io -u $DOCKER_ACTOR --password-stdin
 - name: Pull docker images
-run: ssh dev './pull-images'
+run: ssh dev './pull-images.sh'
 - name: Run up nightfall
 run: ssh 'docker-compose up -d deployer optimist'
 - name: Run up applications
 run: |
-ssh dev 'await-deployer'
+ssh dev './await-deployer.sh'
 ssh dev 'docker-compose up -d proposer'

await-deployer.sh

@@ -0,0 +1,21 @@
+#! /bin/bash
+
+# Wait until deployer is up and then wait until it exists. Useful if you need
+# to wait until nightfall is deployed before you can do something
+
+while :
+do
+if [[ `docker ps` = *deployer* ]]; then
+break
+fi
+sleep 1
+done
+echo 'deployer container detected'
+while :
+do
+if [[ `docker ps` != *deployer* ]]; then
+break
+fi
+sleep 1
+done
+echo 'deployer container has exited'