[ATLAS-651] Add atlas_status.py script

distro/src/bin/atlas_status.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import os
+from signal import SIGTERM
+import sys
+import traceback
+
+import atlas_config as mc
+
+def main():
+
+    atlas_home = mc.atlasDir()
+    confdir = mc.dirMustExist(mc.confDir(atlas_home))
+    mc.executeEnvSh(confdir)
+    piddir = mc.dirMustExist(mc.logDir(atlas_home))
+
+    atlas_pid_file = mc.pidFile(atlas_home)
+
+    try:
+        pf = file(atlas_pid_file, 'r')
+        pid = int(pf.read().strip())
+        pf.close()
+    except:
+        pid = None
+    if not pid:
+        sys.stdout.write("Server is not running (no PID file found)\n")
+        return
+    if  mc.ON_POSIX:
+
+            if not mc.unix_exist_pid(pid):
+               sys.stdout.write("Server is not running (%s not used anymore)\n" %pid)
+               return
+    else:
+        if mc.IS_WINDOWS:
+            if not mc.win_exist_pid((str)(pid)):
+                sys.stdout.write("Server is not running (%s not used anymore)\n" %pid)
+                return
+
+    sys.stdout.write("Server is running (%s)\n" %pid)
+
+if __name__ == '__main__':
+    try:
+        returncode = main()
+    except Exception as e:
+        print "Exception: %s " % str(e)
+        print traceback.format_exc()
+        returncode = -1
+
+    sys.exit(returncode)