Add support for Docker secrets

Author: Dominik

.gitignore

@@ -0,0 +1,4 @@
+idrac_host.txt
+idrac_password.txt
+idrac_user.txt
+idrac_port.txt

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '2'
+version: '3.1'
 
 services:
   idrac1:
@@ -21,11 +21,18 @@ services:
     ports:
       - 5801:5800
       - 5901:5900
-    environment:
-      - IDRAC_HOST=idrac2.example.org
-      - IDRAC_USER=root
-      - IDRAC_PASSWORD=1234
+    secrets:
+      - idrac_host
+      - idrac_user
+      - idrac_password
     volumes:
       - /path/to/app:/app
       - /path/to/media:/vmedia
       - /path/to/screenshots:/screenshots
+secrets:
+  idrac_host:
+    file: ./idrac_host.txt
+  idrac_user:
+    file: ./idrac_user.txt
+  idrac_password:
+    file: ./idrac_password.txt

startapp.sh

@@ -6,6 +6,26 @@ NC='\033[0m'
 
 echo "Starting"
 
+if [ -f "/run/secrets/idrac_host" ]; then
+    echo "Using Docker secret for IDRAC_HOST"
+    IDRAC_HOST="$(cat /run/secrets/idrac_host)"
+fi
+
+if [ -f "/run/secrets/idrac_port" ]; then
+    echo "Using Docker secret for IDRAC_PORT"
+    IDRAC_PORT="$(cat /run/secrets/idrac_port)"
+fi
+
+if [ -f "/run/secrets/idrac_user" ]; then
+    echo "Using Docker secret for IDRAC_USER"
+    IDRAC_USER="$(cat /run/secrets/idrac_user)"
+fi
+
+if [ -f "/run/secrets/idrac_password" ]; then
+    echo "Using Docker secret for IDRAC_PASSWORD"
+    IDRAC_PASSWORD="$(cat /run/secrets/idrac_password)"
+fi
+
 if [ -z "${IDRAC_HOST}" ]; then
     echo "${RED}Please set a proper idrac host with IDRAC_HOST${NC}"
     sleep 2