update mount script

Author: mwunderl

.ebextensions/efs-mount.config

@@ -9,9 +9,9 @@ container_commands:
 
 option_settings:
   aws:elasticbeanstalk:application:environment:
-    EFS_VOLUME_ID: '`{"Ref" : "FileSystem"}`'
-    EFS_MOUNT_DIR: '/wpfiles'
-    EFS_REGION: '`{"Ref": "AWS::Region"}`'
+    FILE_SYSTEM_ID: '`{"Ref" : "FileSystem"}`'
+    MOUNT_DIRECTORY: '/wpfiles'
+    REGION: '`{"Ref": "AWS::Region"}`'
 
 packages:
   yum:
@@ -28,9 +28,9 @@ files:
       content : |
         #!/bin/bash
 
-        EFS_REGION=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.EFS_REGION')
-        EFS_MOUNT_DIR=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.EFS_MOUNT_DIR')
-        EFS_VOLUME_ID=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.EFS_VOLUME_ID')
+        EFS_REGION=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.REGION')
+        EFS_MOUNT_DIR=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.MOUNT_DIRECTORY')
+        EFS_FILE_SYSTEM_ID=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.FILE_SYSTEM_ID')
 
         echo "Mounting EFS filesystem ${EFS_DNS_NAME} to directory ${EFS_MOUNT_DIR} ..."
 
@@ -54,26 +54,28 @@ files:
                 echo 'ERROR: Directory creation failed!'
                 exit 1
             fi
-            chmod 777 ${EFS_MOUNT_DIR}
-            if [ $? -ne 0 ]; then
-                echo 'ERROR: Permission update failed!'
-                exit 1
-            fi
         else
             echo "Directory ${EFS_MOUNT_DIR} already exists!"
         fi
 
         mountpoint -q ${EFS_MOUNT_DIR}
         if [ $? -ne 0 ]; then
-            AZ=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)
-            echo "mount -t nfs4 -o nfsvers=4.1 ${AZ}.${EFS_VOLUME_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}"
-            mount -t nfs4 -o nfsvers=4.1 ${AZ}.${EFS_VOLUME_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}
+            echo "mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${EFS_FILE_SYSTEM_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}"
+            mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${EFS_FILE_SYSTEM_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}
             if [ $? -ne 0 ] ; then
                 echo 'ERROR: Mount command failed!'
                 exit 1
             fi
+            chmod 777 ${EFS_MOUNT_DIR}
+            runuser -l  ec2-user -c "touch ${EFS_MOUNT_DIR}/it_works"
+            if [[ $? -ne 0 ]]; then
+                echo 'ERROR: Permission Error!'
+                exit 1
+            else
+                runuser -l  ec2-user -c "rm -f ${EFS_MOUNT_DIR}/it_works"
+            fi
         else
             echo "Directory ${EFS_MOUNT_DIR} is already a valid mountpoint!"
         fi
 
-        echo 'EFS mount complete.'
+        echo 'EFS mount complete.'