add example for restart local sbd

Author: Yan Li

examples/restartSBD.py

@@ -0,0 +1,42 @@
+from pythonlsf import lsf
+import sys
+
+
+def restartSBD(opCode, message, hosts) :
+    if lsf.lsb_init("test") > 0:
+        print("failed to initialize")
+        return
+    req = lsf.hostCtrlReq()
+    req.opCode = opCode
+    req.message = message
+    if len(hosts) > 0 :
+        for h in hosts:
+            print("restarting sbatchd daemon on host <{}> ...".format(h))
+            req.host = h
+            cc = lsf.lsb_hostcontrol(req)
+            if cc == 0 :
+                print("sbatchd daemon restarted successfully.")
+            elif cc == -1 :
+                print("ERROR: sbatchd daemon failed to restart.")
+            else :
+                print("ERROR: return {} while trying to restart sbatchd.".format(cc))
+    else :
+        print("restarting sbatchd daemon on local host ...")
+        cc = lsf.lsb_hostcontrol(req)
+        if cc == 0 :
+            print("sbatchd daemon restarted successfully.")
+        elif cc == -1 :
+            print("ERROR: sbatchd daemon failed to restart.")
+        else :
+            print("ERROR: return {} while trying to restart sbatchd.".format(cc))
+    
+
+if __name__ == "__main__":
+    opCode = lsf.HOST_REBOOT
+    message = "reboot according to python-api"
+    if len(sys.argv) > 1 :
+        hosts = sys.argv[1:]
+    else :
+        hosts = []
+    restartSBD(opCode, message, hosts)
+