service: add support for legacy custom actions

This adds support for legacy initscript actions such as
  service iptables save

Packages wishing to provide legacy actions should install programs (probably
scripts, but could be binaries) named
  /usr/libexec/initscripts/legacy-actions/<service>/<action>

It should be emphasized that this feature is meant to be used only in packages
where compatibility of custom actions with previous releases is desired.
Adding of entirely new actions is discouraged. Useful tools should be
shipped by upstreams as programs in /usr/bin, not in distro-specific hacks.

[ Modifications from original : change from /usr/lib to /usr/libexec - notting ]

https://bugzilla.redhat.com/show_bug.cgi?id=796663

1 files changed, 10 insertions, 4 deletions

diff --git a/service b/service
index 6aabd6fc..86b6f29f 100755
--- a/service
+++ b/service
@@ -5,8 +5,10 @@
 VERSION="$(basename $0) ver. 0.91"
 USAGE="Usage: $(basename $0) < option > | --status-all | \
 [ service_name [ command | --full-restart ] ]"
-SERVICE=
 SERVICEDIR="/etc/init.d"
+ACTIONDIR="/usr/libexec/initscripts/legacy-actions"
+SERVICE=
+ACTION=
 OPTIONS=
 
 if [ $# -eq 0 ]; then
@@ -58,6 +60,8 @@ while [ $# -gt 0 ]; do
           fi
        elif [ -z "${SERVICE}" ]; then
          SERVICE="${1}"
+       elif [ -z "${ACTION}" ]; then
+         ACTION="${1}"
        else
          OPTIONS="${OPTIONS} ${1}"
        fi
@@ -67,8 +71,10 @@ while [ $# -gt 0 ]; do
 done
 
 if [ -f "${SERVICEDIR}/${SERVICE}" ]; then
-   env -i PATH="$PATH" TERM="$TERM" SYSTEMCTL_IGNORE_DEPENDENCIES=${SYSTEMCTL_IGNORE_DEPENDENCIES} SYSTEMCTL_SKIP_REDIRECT=${SYSTEMCTL_SKIP_REDIRECT} "${SERVICEDIR}/${SERVICE}" ${OPTIONS}
+   env -i PATH="$PATH" TERM="$TERM" SYSTEMCTL_IGNORE_DEPENDENCIES=${SYSTEMCTL_IGNORE_DEPENDENCIES} SYSTEMCTL_SKIP_REDIRECT=${SYSTEMCTL_SKIP_REDIRECT} "${SERVICEDIR}/${SERVICE}" ${ACTION} ${OPTIONS}
+elif [ -x "${ACTIONDIR}/${SERVICE}/${ACTION}" ]; then
+   env -i PATH="$PATH" TERM="$TERM" SYSTEMCTL_IGNORE_DEPENDENCIES=${SYSTEMCTL_IGNORE_DEPENDENCIES} SYSTEMCTL_SKIP_REDIRECT=${SYSTEMCTL_SKIP_REDIRECT} "${ACTIONDIR}/${SERVICE}/${ACTION}" ${OPTIONS}
 else
-   echo $"Redirecting to /bin/systemctl ${OPTIONS} ${SERVICE}.service" >&2
-   exec /bin/systemctl ${OPTIONS} ${SERVICE}.service
+   echo $"Redirecting to /bin/systemctl ${ACTION} ${OPTIONS} ${SERVICE}.service" >&2
+   exec /bin/systemctl ${ACTION} ${OPTIONS} ${SERVICE}.service
 fi