create postgres helper functions for bash_it

plugins/available/postgres.plugin.bash

@@ -0,0 +1,87 @@
+cite about-plugin
+about-plugin 'postgres helper functions'
+
+
+export PGVERSION=`pg_config --version | awk '{print $2}'`
+export POSTGRES_BIN=`pg_config --bindir`
+COMMON_PGDATA_PATHS=("/usr/local/var/postgres" "/var/pgsql" "/Library/Server/PostgreSQL/Data")
+for possible in "${COMMON_PGDATA_PATHS[@]}"
+do
+   :
+   if [ -f "$possible/pg_hba.conf" ]
+   then
+       # echo "PGDATA: $possible"
+       export PGDATA=$possible    
+   fi
+done
+
+
+
+
+
+function postgres_start {
+  about 'Starts PostgresSQL server'
+  group 'postgres'
+
+  echo 'Starting PostgresSQL Server....'; 
+  $POSTGRES_BIN/pg_ctl -D $PGDATA -l $PGDATA/logfile  start
+}
+
+function postgres_stop {
+  about 'Steps PostgresSQL server'
+  group 'postgres'
+
+  echo 'Stopping PostgresSQL Server....'; 
+  $POSTGRES_BIN/pg_ctl -D $PGDATA -l $PGDATA/logfile stop -s -m fast
+}
+
+function postgres_status {
+  about 'Returns status of PostgresSQL server'
+  group 'postgres'
+
+  # $POSTGRES_BIN/pg_ctl -D $PGDATA status  
+  if [[ $(is_postgres_running) == "no server running" ]]
+  then
+    echo "Postgres service [STOPPED]"
+  else
+    echo "Postgres service [RUNNING]"
+  fi
+}
+
+
+function is_postgres_running {
+  $POSTGRES_BIN/pg_ctl -D $PGDATA status | egrep -o "no server running"
+}
+
+
+function postgres_restart {
+  about 'Restarts status of PostgresSQL server'
+  group 'postgres'
+
+  echo 'Restarting Postgres....'; 
+  $POSTGRES_BIN/pg_ctl -D $PGDATA restart
+}
+
+function postgres_logfile {
+  about 'View the last 500 lines from logfile'
+  group 'postgres'
+
+  tail -500 $PGDATA/logfile | less
+}
+
+function postgres_serverlog {
+  about 'View the last 500 lines from server.log'
+  group 'postgres'
+
+  tail -500 $PGDATA/server.log | less
+}
+
+
+# function postgres_syslog {
+#   about 'View the last 500 lines from syslog'
+#   group 'postgres'
+#
+#   tail -500 $PGDATA/pg_log/`ls -Art $PGDATA/pg_log | tail -n 1` | less
+# }
+#
+