Update README.md and fix typo (#8)

resolve #6 

* Add ec2:CreateTags to README.md
* Update logging

Co-authored-by: Ryan Golhar <ryan.golhar@bms.com>

README.md

@@ -85,7 +85,8 @@ In the above, we assume that the `MyInstanceProfileWithProperPermissions` EC2 In
                 "ec2:ModifyInstanceAttribute",
                 "ec2:DescribeVolumeAttribute",
                 "ec2:CreateVolume",
-                "ec2:DeleteVolume"
+                "ec2:DeleteVolume",
+                "ec2:CreateTags"
             ],
             "Resource": "*"
         }

bin/ebs-autoscale

@@ -122,11 +122,12 @@ add_space () {
 
     exit_status=$?
     if [ $exit_status -eq 0 ]; then
-      logthis "Adding device ${DEVICE} to logical volume ${MOUNTPOINT}"
       if [ "${FILE_SYSTEM}" = "btrfs" ]; then
+        logthis "Adding device ${DEVICE} to logical volume ${MOUNTPOINT}"
         btrfs device add ${DEVICE} ${MOUNTPOINT}
         btrfs balance start -m ${MOUNTPOINT}
       else
+        logthis "Adding device ${DEVICE} to logical volume /dev/mapper/${LVM_VG}-${LVM_LV}"
         vgextend ${LVM_VG} ${DEVICE}
         lvresize -l 100%VG /dev/mapper/${LVM_VG}-${LVM_LV}
         resize2fs /dev/mapper/${LVM_VG}-${LVM_LV}
@@ -169,7 +170,7 @@ while true; do
     LOG_COUNT=LOG_INTERVAL
   fi
   if [ "${LOG_COUNT}" -ge "${LOG_INTERVAL}" ]; then
-    logthis "Devices ${NUM_DEVICES} : Size ${TOTAL_SIZE} : Used ${USED} : Aailable ${AVAILABLE} : Used% ${PCT_UTILIZATION}% : Threshold ${THRESHOLD}%"
+    logthis "Devices ${NUM_DEVICES} : Size ${TOTAL_SIZE} : Used ${USED} : Available ${AVAILABLE} : Used% ${PCT_UTILIZATION}% : Threshold ${THRESHOLD}%"
     LOG_COUNT=0
   fi
   THRESHOLD=$(calc_threshold)

config/ebs-autoscale.json

@@ -14,4 +14,4 @@
         "log_file": "/var/log/ebs-autoscale.log",
         "log_interval": 300
     }
-}
+}