add option for skipping checks

Author: chuckp22

backup.config-example

@@ -20,6 +20,10 @@ GHE_NUM_SNAPSHOTS=10
 # ghe-pruning-snapshots will need to be invoked separately via cron
 #GHE_PRUNING_SCHEDULED=yes
 
+# If set to true or when backup is run with `-s` or `--skip-checks` ghe-host-check 
+# disk space validation is disabled.
+# GHE_SKIP_CHECKS=false
+
 # The hostname of the GitHub appliance to restore. If you've set up a separate
 # GitHub appliance to act as a standby for recovery, specify its IP or hostname
 # here. The host to restore to may also be specified directly when running

bin/ghe-backup

@@ -5,9 +5,11 @@
 #/ the MySQL database, instance settings, GitHub Pages data, etc.
 #/
 #/ OPTIONS:
-#/   -v | --verbose    Enable verbose output.
-#/   -h | --help       Show this message.
-#/        --version    Display version information.
+#/   -v | --verbose       Enable verbose output.
+#/   -h | --help          Show this message.
+#/        --version       Display version information.
+#/   -i | --incremental   Incremental backup
+#/   -s | --skip-checks   Skip storage/sw version checks
 #/
 
 set -e
@@ -31,6 +33,10 @@ while true; do
       export GHE_INCREMENTAL=true
       shift
       ;;
+    -s|--skip-checks)
+      export GHE_SKIP_CHECKS=true
+      shift
+      ;;
     -*)
       echo "Error: invalid argument: '$1'" 1>&2
       exit 1

bin/ghe-host-check

@@ -144,7 +144,12 @@ if [ -z "$supported" ]; then
   exit 1
 fi
 
-if [[ "$CALLING_SCRIPT" == "ghe-backup" ]]; then
+if [[ "$CALLING_SCRIPT" == "ghe-backup" && "$GHE_SKIP_CHECKS" != "true" ]]; then
+  cat << SKIP_MSG 1>&2
+**You can disable the following storage & version checks by updating GHE_SKIP_CHECKS to 'true' in your backup.config file.
+
+SKIP_MSG
+
   # Bring in the requirements file
   min_rsync=""
   min_openssh=""
@@ -184,6 +189,7 @@ minio: $minio_disk_size MB
 mysql: $mysql_disk_size MB
 actions: $actions_disk_size MB
 mssql: $mssql_disk_size MB
+
 DATA_TRANSFER_SIZE
 
   if [[ $((available_space / (1024 * 1024))) -lt $min_disk_req ]]; then