Supports bash_completion for ceilometerclient

bash_completion feature can improve CLI user experience, projects like
nova, keystone, and cinder already support it.

NOTE: this patch just provides simple functionality, which means cache
for IDs and names is not used (like nova).

Change-Id: I1b04998a5e7c8818aed4b51f5fe5bf01efd0e14a
Closes-Bug: #1260939

1 files changed, 27 insertions, 0 deletions

diff --git a/tools/ceilometer.bash_completion b/tools/ceilometer.bash_completion
new file mode 100644
index 0000000..b2b48b2
--- /dev/null
+++ b/tools/ceilometer.bash_completion
@@ -0,0 +1,27 @@
+# bash completion for openstack ceilometer
+
+_ceilometer_opts="" # lazy init
+_ceilometer_flags="" # lazy init
+_ceilometer_opts_exp="" # lazy init
+_ceilometer()
+{
+    local cur prev kbc
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    if [ "x$_ceilometer_opts" == "x" ] ; then
+        kbc="`ceilometer bash-completion | sed -e "s/ -h / /"`"
+        _ceilometer_opts="`echo "$kbc" | sed -e "s/--[a-z0-9_-]*//g" -e "s/[ ][ ]*/ /g"`"
+        _ceilometer_flags="`echo " $kbc" | sed -e "s/ [^-][^-][a-z0-9_-]*//g" -e "s/[ ][ ]*/ /g"`"
+        _ceilometer_opts_exp="`echo $_ceilometer_opts | sed -e "s/[ ]/|/g"`"
+    fi
+
+    if [[ " ${COMP_WORDS[@]} " =~ " "($_ceilometer_opts_exp)" " && "$prev" != "help" ]] ; then
+        COMPREPLY=($(compgen -W "${_ceilometer_flags}" -- ${cur}))
+    else
+        COMPREPLY=($(compgen -W "${_ceilometer_opts}" -- ${cur}))
+    fi
+    return 0
+}
+complete -F _ceilometer ceilometer