add servicectl (to eventually be init system agnostic service frontend)

1 files changed, 98 insertions, 0 deletions

diff --git a/servicectl b/servicectl
new file mode 100755
index 0000000..d8201ec
--- /dev/null
+++ b/servicectl
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+
+## CHECK DEPS
+
+if ! type readlink >/dev/null 2>&1; then
+  printf "readlink command not found.\n"
+  exit 1
+fi
+
+## UTIL FUNCTIONS
+
+reverse_array () {
+  unset _b
+  for a in $@; do
+    [ -n "$_b" ] && _b="$a $_b" || _b="$a"
+  done
+  echo $_b
+}
+
+## FIND INIT
+
+INIT="$(readlink $(type init) )"
+
+if [ "$INIT" = "openrc-init" ]; then
+  OPENRC=y
+  unset RUNIT S6 DINIT
+fi
+
+## CHECK PRIVS
+
+if [ "$(whoami)" != "root" ]; then
+  ROOTCMD="sudo"
+fi
+
+## SERVICE FUNCTIONS
+
+start_service () {
+  if [ -n "$OPENRC" ]; then
+    $ROOTCMD rc-service $1 start
+  fi
+}
+
+stop_service () {
+  if [ -n "$OPENRC" ]; then
+    $ROOTCMD rc-service $1 stop
+  fi
+}
+
+enable_service () {
+  if [ -n "$OPENRC" ]; then
+    $ROOTCMD rc-update add $1 default
+  fi
+}
+
+disable_service () {
+  if [ -n "$OPENRC" ]; then
+    $ROOTCMD rc-update del $1 default
+  fi
+}
+
+## MAIN LOOP
+
+case "$1" in
+  "start")
+    for i in "${@:2}"; do
+      printf "start $i\n"
+      start_service $i
+    done
+    ;;
+  "stop")
+    for i in "${@:2}"; do
+      printf "stop $i\n"
+      stop_service $i
+    done
+    ;;
+  "enable")
+    for i in "${@:2}"; do
+      printf "enable $i\n"
+      enable_service $i
+    done
+    ;;
+  "disable")
+    for i in "${@:2}"; do
+      printf "disable $i\n"
+      disable_service $i
+    done
+    ;;
+  "restart")
+    for i in `reverse_array ${@:2}`; do
+      printf "stop $i\n"
+      stop_service $i
+    done
+    for i in ${@:2}; do
+      printf "start $i\n"
+      start_service $i
+    done
+    ;;
+esac