Merge pull request #149 from basho/jem-source-default-scripts

Source default config files in env.sh

priv/base/env.sh

@@ -212,9 +212,14 @@ check_user_internal() {
 
 # Function to su into correct user that is poorly named for historical
 # reasons (excuses)
+# This also serves as an entry point to most functions
 check_user() {
     check_user_internal
 
+    # This call must be before the su call, when the user is dropped
+    # optional config will be brought in if available
+    load_default_os_config
+
     # do not su again if we are already the runner user
     if ([ "$RUNNER_USER" ] && [ "x$WHOAMI" != "x$RUNNER_USER" ]); then
         # Escape any double quotes that might be in the command line
@@ -235,6 +240,18 @@ check_user() {
     fi
 }
 
+# Function to load default config files based on OS
+load_default_os_config() {
+    # Only run this if we already dropped to the runner user
+    if ([ "$RUNNER_USER" ] && [ "x$WHOAMI" = "x$RUNNER_USER" ]); then
+        # Common config file on Debian-like systems
+        [ -r /etc/default/$RUNNER_SCRIPT ] && . /etc/default/$RUNNER_SCRIPT
+
+        # Common config file on RPM-like systems
+        [ -r /etc/sysconfig/$RUNNER_SCRIPT ] && . /etc/sysconfig/$RUNNER_SCRIPT
+    fi
+}
+
 # Function to validate the node is down
 node_down_check() {
     MUTE=`ping_node 2> /dev/null`