diff options
Diffstat (limited to '.app/lib')
-rw-r--r-- | .app/lib/app-conf | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/.app/lib/app-conf b/.app/lib/app-conf new file mode 100644 index 0000000..8cc4949 --- /dev/null +++ b/.app/lib/app-conf @@ -0,0 +1,138 @@ +#!/bin/bash + +key_expr="[a-zA-Z][_a-zA-Z0-9]*\.[a-zA-Z][_a-zA-Z0-9]*" + +get_conf() { + key=$1 + default=$2 + + file=$BASEDIR/$name/$instance/latest/etc/app.conf + + if [ ! -r $file ] + then + echo "$default" + return 0 + fi + + value=`sed -n "s,^${key}[ ]*=[ ]*\(.*\)$,\1,p" $file` + + if [ -z "$value" ] + then + echo "$default" + fi + + echo "$value" +} + +get_conf_all() { + local file=$BASEDIR/$name/$instance/latest/etc/app.conf + + if [ ! -r $file ] + then + return 0 + fi + + sed -n "s,^[ ]*\($key_expr\)[ ]*=[ ]*\(.*\)$,\1=\2,p" $file | sort +} + +get_conf_in_group() { + prefix=$1 + + get_conf_all | sed -n "s,^[ ]*${prefix}\.\([._a-zA-Z]*\)=\(.*\)$,\1=\2,p" +} + +assert_key() { + key=$1 + + local x=`echo $key | sed -n "/^$key_expr$/p"` + if [ -z "$x" ] + then + echo "Invalid key: $key" >&2 + exit 1 + fi +} + +conf_set() { + key=$1 + value=$2 + + local file=$BASEDIR/$name/$instance/latest/etc/app.conf + + assert_key "$key" + + sed "/^$key[ ]*=.*/d" $file > $file.tmp + echo "$key=$value" >> $file.tmp + mv $file.tmp $file +} + +conf_delete() { + key=$1 + + local file=$BASEDIR/$name/$instance/latest/etc/app.conf + + assert_key "$key" + + sed "/^$key[ ]*=.*/d" $file > $file.tmp + mv $file.tmp $file +} + +conf_usage() { + if [ -n "$1" ] + then + echo "Error:" $@ >&2 + fi + + echo "usage:" >&2 + echo "" + echo " $0 conf -n name -i instance" >&2 + echo " $0 conf -n name -i instance -s [group.key] [value]" >&2 + exit 1 +} + +method_conf() { + local mode="list" + + while getopts "n:i:s:d:" opt + do + case $opt in + n) + name=$OPTARG + ;; + i) + instance=$OPTARG + ;; + d) + mode="delete" + key=$OPTARG + ;; + s) + mode="set" + key=$OPTARG + # Remove all options so far + shift $((OPTIND-1)) + value=$1 + ;; + \?) + conf_usage "Invalid option: -$OPTARG" + ;; + esac + done + + assert_is_instance conf_usage "$name" "$instance" + + case $mode in + list) + get_conf_all | (IFS==; while read key value + do + printf "%-20s %-20s" "$key" "$value" + echo + done) + ;; + set) + conf_set "$key" "$value" + ;; + delete) + conf_delete "$key" + ;; + esac +} |