plugin config file parser added

1 files changed, 40 insertions, 19 deletions

diff --git a/minimunin b/minimunin
index 4743009..15289bc 100755
--- a/minimunin
+++ b/minimunin
@@ -1,17 +1,14 @@
 #!/bin/sh
 
 PLUGIN_DIR=/usr/local/etc/minimunin-plugins
+CONFIG_DIR=/usr/local/etc/minimunin-configs
 BUILTIN="cpu load swap systat iostat uptime memory open_files"
+SYSCTL=/sbin/sysctl
+[ -f ${SYSCTL} ] || SYSCTL=/usr/sbin/sysctl
 
-# list plugins
+# list plugins, read configs
 PLUGINS=`/usr/bin/find ${PLUGIN_DIR} -type f -perm +111 -exec basename {} \; 2> /dev/null | /usr/bin/xargs`
-
-get_plugin() {
-    plug=`/usr/bin/find ${PLUGIN_DIR} -type f -perm +111 -name $1 | /usr/bin/head -n 1`
-    [ -z "${plug}" ] && return 1
-    printf %s ${plug}
-    return 0
-}
+CONFIGS=`/usr/bin/find ${CONFIG_DIR} -type f -exec /usr/bin/grep -v -e ^\# -e ^$ {} \; -exec /bin/echo [] \; 2> /dev/null`
 
 main() {
     # print banner
@@ -49,11 +46,7 @@ main() {
 print_fetch() {
 
 # see if we're serving a plugin
-plug=`get_plugin $1`
-if [ $? = 0 ]; then
-    eval ${plug}
-    return
-fi
+call_plugin $1 fetch && return 0
 
 # if not, let our builtins answer
 case $1 in
@@ -105,11 +98,7 @@ esac
 print_config() {
 
 # see if we're configuring a plugin
-plug=`get_plugin $1`
-if [ $? = 0 ]; then
-    eval ${plug} config
-    return
-fi
+call_plugin $1 config && return 0
 
 # if not, execute built in commands
 case $1 in
@@ -309,7 +298,39 @@ esac
 }
 
 get_sys() {
-    LANG=C LC_ALL=C /sbin/sysctl -n $@
+    LANG=C LC_ALL=C ${SYSCTL} -n $@
+}
+
+env_for_plugin_from_config() {
+    unset in_sect
+    while read line; do
+        case ${line## } in
+            \[*\])  v="${line#*[}"; v="${v%%]*}"
+                    case $1 in ${v}) in_sect=true;; *) unset in_sect ;; esac
+                    ;;
+            env.*)  [ "${in_sect}" ] || continue
+                    _pref=${line#*env.};
+                    printf "%s " ${_pref%% *}=\'${_pref#* }\'
+                    ;;
+        esac
+    done
+}
+
+call_plugin() {
+    _param=$2
+    _plug=`/usr/bin/find ${PLUGIN_DIR} -type f -perm +111 -name $1 2>/dev/null | /usr/bin/head -n 1`
+    [ -z "${_plug}" ] && return 1
+
+    printf %s "${CONFIGS}" | while read line; do
+      case line in
+        \[*\]) start_section;;
+        *)     in_section;;
+      esac
+    done
+
+    _env=$( printf "%s\n" "${CONFIGS}" | env_for_plugin_from_config ${_plug} )
+    eval env ${_env} ${_plug} ${_param}
+    return $?
 }
 
 # After function definitions, main() can use them