ceph-post-file: use getopt for multiple options, add longopts to help

Fixes: #7993
Signed-off-by: Dan Mick <dan.mick@inktank.com>

diff --git a/src/ceph-post-file.in b/src/ceph-post-file.in
index ba366dbfd4a430ffb9e149b9b751c1d8564b82c7..9b922a6c94153c6e91b782c592108943b8be13c9 100755 (executable)
--- a/src/ceph-post-file.in
+++ b/src/ceph-post-file.in
@@ -30,17 +30,17 @@ WARNING:
   directories that contain Ceph secrets).
 
 Options:
-  -d <description>  Description for this post
-                      [Default: none]
-  -u <user>         User identifier
-                      [Default: \`whoami\`@\`hostname -f\`]
-  -r <user@host>    Remote to upload to
-                      [Default: postfile@drop.ceph.com]
-  -k <path>         known_hosts file
-                      [Default: /usr/share/ceph/known_hosts_drop.ceph.com]
+  -d|--description <desc>    Description for this post
+                               [Default: none]
+  -u|--user <user>           User identifier
+                               [Default: \`whoami\`@\`hostname -f\`]
+  -r|--remote <user@host>    Remote to upload to
+                               [Default: postfile@drop.ceph.com]
+  -k|--known_hosts <path>    known_hosts file
+                               [Default: /usr/share/ceph/known_hosts_drop.ceph.com]
   -i <path>         Ssh identity file
                       [Default: /usr/share/ceph/id_dsa_drop.ceph.com]
-  -h                Show this usage information
+  -h|--help         Show this usage information
 "
 }
 
@@ -52,37 +52,48 @@ fi
 description=""
 user="`whoami`@`hostname -f`"
 remote="postfile@drop.ceph.com"
-case $1 in
-    -d | --description)
-       description="$2"
-       shift
-       shift
-       ;;
-    -u | --user)
-       user="$2"
-       shift
-       shift
-       ;;
-    -h | --help)
-       usage
-       exit 0
-       ;;
-    -k | --known-hosts)
-       known_hosts="$1"
-       shift
-       shift
-       ;;
-    -i)
-       ssh_key="$1"
-       shift
-       shift
-       ;;
-    -r | --remote)
-       remote="$1"
-       shift
-       shift
-       ;;
-esac
+
+ARGS=$(getopt -n "ceph-post-file" -o 'd:u:hk:i:r:' -l "description:,user:,help,known-hosts:,remote:" -- "$@")
+eval set -- $ARGS
+
+while true; do
+       echo "args: $@"
+       case $1 in
+           -d | --description)
+               description="$2"
+               shift
+               shift
+               ;;
+           -u | --user)
+               user="$2"
+               shift
+               shift
+               ;;
+           -h | --help)
+               usage
+               exit 0
+               ;;
+           -k | --known-hosts)
+               known_hosts="$2"
+               shift
+               shift
+               ;;
+           -i)
+               ssh_key="$2"
+               shift
+               shift
+               ;;
+           -r | --remote)
+               remote="$2"
+               shift
+               shift
+               ;;
+           --)
+               shift
+               break
+               ;;
+       esac
+done
 
 # this id should be shared
 id=`uuidgen`