Container db-migration-worker need no volumes

You can simply run `docker-compose exec db-migration-worker migrate` and
that's it. Of course you have to provide all the environment variables.

.dockerignore

@@ -11,7 +11,6 @@ docker-compose*.yml
 ./*.png
 ./*.log
 
-kubernetes/
 node_modules/
 scripts/
 dist/

db-migration-worker/Dockerfile

@@ -1,4 +1,3 @@
-FROM neo4j:3.5.0 as neo4j
 FROM mongo:4
 
 RUN apt-get update
@@ -9,5 +8,5 @@ RUN apt-get update
 RUN apt-get -y install --no-install-recommends openjdk-8-jre openssh-client neo4j rsync \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
-COPY neo4j/ mongo/ ./
+COPY migration ./migration
 COPY migrate.sh /usr/local/bin/migrate

db-migration-worker/migrate.sh

@@ -1,2 +1,4 @@
 #!/usr/bin/env bash
-/mongo/import.sh && /neo4j/import.sh
+set -e
+/migration/mongo/import.sh
+/migration/neo4j/import.sh

db-migration-worker/migration/mongo/import.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-for var in "SSH_USERNAME" "SSH_HOST" "MONGODB_USERNAME" "MONGODB_PASSWORD" "MONGODB_DATABASE" "MONGODB_AUTH_DB" "UPLOADS_DIRECTORY"
+for var in "SSH_USERNAME" "SSH_HOST" "MONGODB_USERNAME" "MONGODB_PASSWORD" "MONGODB_DATABASE" "MONGODB_AUTH_DB"
 do
   if [[ -z "${!var}" ]]; then
     echo "${var} is undefined"
@@ -15,7 +15,6 @@ echo "MONGODB_USERNAME         ${MONGODB_USERNAME}"
 echo "MONGODB_PASSWORD         ${MONGODB_PASSWORD}"
 echo "MONGODB_DATABASE         ${MONGODB_DATABASE}"
 echo "MONGODB_AUTH_DB          ${MONGODB_AUTH_DB}"
-echo "UPLOADS_DIRECTORY        ${UPLOADS_DIRECTORY}"
 echo "-------------------------------------------------"
 
 mongo ${MONGODB_DATABASE} --eval "db.dropDatabase();"

db-migration-worker/migration/neo4j/import.sh

@@ -1,9 +1,17 @@
 #!/usr/bin/env bash
 set -e
 
+for var in "NEO4J_URI"
+do
+  if [[ -z "${!var}" ]]; then
+    echo "${var} is undefined"
+    exit 1
+  fi
+done
+
 SCRIPT_DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-echo "MATCH (n) OPTIONAL MATCH (n)-[r]-() DELETE n,r;" | cypher-shell
+echo "MATCH (n) OPTIONAL MATCH (n)-[r]-() DELETE n,r;" | cypher-shell -a $NEO4J_URI
 for collection in "badges" "categories" "users" "follows" "contributions" "shouts" "comments"
 do
-  echo "Import ${collection}..." && cypher-shell < $SCRIPT_DIRECTORY/$collection.cql
+  echo "Import ${collection}..." && cypher-shell -a $NEO4J_URI < $SCRIPT_DIRECTORY/$collection.cql
 done

docker-compose.override.yml

@@ -27,6 +27,8 @@ services:
       - ./db-migration-worker/.ssh/:/root/.ssh/
     networks:
       - hc-network
+    depends_on:
+      - backend
     environment:
       - NEO4J_URI=bolt://neo4j:7687
       - "SSH_USERNAME=${SSH_USERNAME}"
@@ -35,7 +37,6 @@ services:
       - "MONGODB_PASSWORD=${MONGODB_PASSWORD}"
       - "MONGODB_AUTH_DB=${MONGODB_AUTH_DB}"
       - "MONGODB_DATABASE=${MONGODB_DATABASE}"
-      - "UPLOADS_DIRECTORY=${UPLOADS_DIRECTORY}"
     command: "--smallfiles --logpath=/dev/null"
 
 volumes: