Feat: instruction for Windows WSL

Docker-compose/README.md

@@ -12,6 +12,8 @@
 
 ## Requirements
 
+The following instructions and provided scripts are intended to be used on a GNU/Linux based system. Success on Windows based system is currently not guaranteed.
+
 In order to execute the run script you need:
 
 * jq

Docker-compose/run-docker-compose.sh

@@ -1,23 +1,63 @@
 #!/bin/bash
 
+VOLUME_ALREADY_EXISTS=10
+VOLUME_CREATION_FAIL=20
+
 function create-volume {
-	if [ ! "$(docker volume ls -q -f name=$1)" ]
-	then
-	    echo -e "Il volume $1 non esiste, lo creo! \n"
-	    docker volume create --name=$1
-	    echo -e "\n"
-	    if [[ ! -z "$2" ]]
-	    then 
-	       echo -e "Ho creato il volume e ci copio i dati da $2 \n"
-	       sudo cp -R $2* `docker volume inspect $1 | jq .[0].Mountpoint | sed 's/"//g'`
-	    fi   
-	else
-	    echo -e "Il volume $1 esiste, non faccio nulla! \n"  
-	fi
+    if [ ! "$(docker volume ls -q -f name=$1)" ]; then 
+        echo -e "\nCreazione del docker volume $1"
+        docker volume create --name=$1
+        res=$?
+        if [[ $res != 0 ]]; then
+            return $VOLUME_CREATION_FAIL; fi
+    else 
+        echo -e "\nIgnorata creazione del docker volume $1: volume gia' esistente"
+        return $VOLUME_ALREADY_EXISTS
+    fi
+    return 0
+}
+
+function create-volume-with-data {
+    create-volume $1
+    res=$?
+    if [[ $res != 0 ]]; then
+        # skip data initialization if the volume creation fails or if it already exists
+        return $res; fi
+    echo -e "\nInizializzazione del docker volume $1 con dati provenienti da $2"
+    volume_mountpoint=$(docker volume inspect $1 | jq .[0].Mountpoint | sed 's/"//g')
+    sudo cp -R $2* $volume_mountpoint
+    res=$?
+    if [[ $res != 0 ]]; then
+        echo -e "\nFallback: inizializzazione del docker volume per creazione container temporaneo: questa operazione potrebbe richiedere un po' di tempo..."
+        tmp_container_name="tmp-$RANDOM$RANDOM$RANDOM"
+        docker run -d --rm --name $tmp_container_name -v $1:/root alpine tail -f /dev/null
+        res=$?
+        if [[ $res != 0 ]]; then
+            return $VOLUME_CREATION_FAIL; fi
+        docker cp $2/. $tmp_container_name:/root/
+        res=$?
+        docker stop $tmp_container_name
+        if [[ $res != 0 ]]; then
+            return $VOLUME_CREATION_FAIL; fi
+    fi
+    echo -e "\nInizializzazione del docker volume $1 terminata"
+    return 0
 }
 
-create-volume satosa-saml2spid_nginx_certs nginx/certs/
+create-volume-with-data satosa-saml2spid_nginx_certs nginx/certs/
+res=$?
+if [[ $res == $VOLUME_CREATION_FAIL ]]; then
+	echo -e "\nERRORE: setup docker volumes fallita\n"
+	return 1
+fi
+
 create-volume satosa-saml2spid_mongodata 
+res=$?
+if [[ $res == $VOLUME_CREATION_FAIL ]]; then
+	echo -e "\nERRORE: setup docker volumes fallita\n"
+	return 1
+fi
+
 
 echo -e "\n"