biscuide/startDockerMongoDB.bash

startDockerMongoDB.bash · 1.8 KiB · Bash Raw

#!/usr/bin/env bash

# User-configurable variables
containerName="mongo-db-name"
dbUser="mongo-user"
dbPassword="mongo-password"
dbName="mongo-db"

hostPort=27017
containerPort=27017

initScriptPath="/tmp/init-mongo.js"

# Function to create the init script for mongoDB
create_init_script() {
  echo "Creating MongoDB initialization script at $initScriptPath..."
  cat <<EOF >"$initScriptPath"
db.createUser({
    user: '$dbUser',
    pwd: '$dbPassword',
    roles: [{
        role: 'readWrite',
        db: '$dbName'
    }]
});
EOF
}

# Function to create a new container
create_container() {
  echo "Creating container '$containerName'..."
  create_init_script
  docker run \
    --name "$containerName" \
    -e MONGO_INITDB_DATABASE="$dbName" \
    -v "$initScriptPath:/docker-entrypoint-initdb.d/init-mongo.js" \
    -p "$hostPort:$containerPort" \
    -d mongo
  # Remove the init script after starting the container
  rm "$initScriptPath"
}

# Function to start an existing container
start_container() {
  echo "Starting container '$containerName'..."
  docker start "$containerName"
}

# Main script logic

# Check whether the container exists (in any state)
containerExists=$(docker ps -a --filter "name=$containerName" --format "{{.Names}}")

if [ -n "$containerExists" ]; then
  # Container exists, check if it's running
  containerRunning=$(docker ps --filter "name=$containerName" --filter "status=running" --format "{{.Names}}")
  if [ -n "$containerRunning" ]; then
    echo "Container '$containerName' is already running."
  else
    echo "Container '$containerName' exists but is not running."
    if ! start_container; then
      echo "Failed to start container. Removing and recreating it..."
      docker rm "$containerName"
      create_container
    fi
  fi
else
  # Container does not exist, create it
  create_container
fi

1	#!/usr/bin/env bash
2
3	# User-configurable variables
4	containerName="mongo-db-name"
5	dbUser="mongo-user"
6	dbPassword="mongo-password"
7	dbName="mongo-db"
8
9	hostPort=27017
10	containerPort=27017
11
12	initScriptPath="/tmp/init-mongo.js"
13
14
15	# Function to create the init script for mongoDB
16	create_init_script() {
17	echo "Creating MongoDB initialization script at $initScriptPath..."
18	cat <<EOF >"$initScriptPath"
19	db.createUser({
20	user: '$dbUser',
21	pwd: '$dbPassword',
22	roles: [{
23	role: 'readWrite',
24	db: '$dbName'
25	}]
26	});
27	EOF
28	}
29
30
31	# Function to create a new container
32	create_container() {
33	echo "Creating container '$containerName'..."
34	create_init_script
35	docker run \
36	--name "$containerName" \
37	-e MONGO_INITDB_DATABASE="$dbName" \
38	-v "$initScriptPath:/docker-entrypoint-initdb.d/init-mongo.js" \
39	-p "$hostPort:$containerPort" \
40	-d mongo
41	# Remove the init script after starting the container
42	rm "$initScriptPath"
43	}
44
45
46	# Function to start an existing container
47	start_container() {
48	echo "Starting container '$containerName'..."
49	docker start "$containerName"
50	}
51
52
53	# Main script logic
54
55	# Check whether the container exists (in any state)
56	containerExists=$(docker ps -a --filter "name=$containerName" --format "{{.Names}}")
57
58	if [ -n "$containerExists" ]; then
59	# Container exists, check if it's running
60	containerRunning=$(docker ps --filter "name=$containerName" --filter "status=running" --format "{{.Names}}")
61	if [ -n "$containerRunning" ]; then
62	echo "Container '$containerName' is already running."
63	else
64	echo "Container '$containerName' exists but is not running."
65	if ! start_container; then
66	echo "Failed to start container. Removing and recreating it..."
67	docker rm "$containerName"
68	create_container
69	fi
70	fi
71	else
72	# Container does not exist, create it
73	create_container
74	fi
75