added the --show-hosts option for the distcc module

git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@198 cd1c1023-2f26-0410-ae45-c471fc1f0318

handlers/enzyme

@@ -80,6 +80,7 @@ def print_help():
     entropyTools.print_info(" \t\t "+entropyTools.red("--remove-host")+"\t\t remove a hostname/ip")
     entropyTools.print_info(" \t\t "+entropyTools.red("--enable")+"\t\t enable the DistCC funcionality")
     entropyTools.print_info(" \t\t "+entropyTools.red("--disable")+"\t\t disable the DistCC funcionality")
+    entropyTools.print_info(" \t\t "+entropyTools.red("--show-hosts")+"\t\t show the currently enabled hosts")
     entropyTools.print_info(" \t"+entropyTools.green(entropyTools.bold("cleanup"))+entropyTools.yellow("\t\t to clean temporary files"))
 
 options = sys.argv[1:]

libraries/entropyTools.py

@@ -1262,6 +1262,12 @@ def removeDistCCHosts(hosts):
 def getDistCCStatus():
     return etpConst['distcc-status']
 
+def isIPAvailable(ip):
+    rc = os.system("ping -c 1 "+ip+" &> /dev/null")
+    if (rc):
+	return False
+    return True
+
 def getFileUnixMtime(path):
     return os.path.getmtime(path)
 

libraries/enzymeTools.py

@@ -936,6 +936,7 @@ def distcc(options):
 	addDistCCHosts(myhosts)
 	myhosts = string.join(myhosts," ")
 	print_info(green(" * ")+red("Hosts: ")+blue(myhosts)+red(" added."))
+
     elif (options[0] == "--remove-host"):
 	if (not getDistCCStatus()):
 	    print_warning(yellow(" * ")+red("Attention: distcc is not enabled."))
@@ -948,3 +949,18 @@ def distcc(options):
 	myhosts = string.join(myhosts," ")
 	print_info(green(" * ")+red("Hosts: ")+blue(myhosts)+red(" removed."))
 
+    elif (options[0] == "--show-hosts"):
+	if (not getDistCCStatus()):
+	    print_warning(yellow(" * ")+red("Attention: distcc is not enabled."))
+	hosts = getDistCCHosts()
+	if len(hosts) == 0:
+	    print_warning(yellow(" * ")+red("Attention: no hosts selected."))
+	    sys.exit(205)
+	print_info(green(" * ")+red("Showing DistCC hosts table:"))
+	for host in hosts:
+	    availability = isIPAvailable(host)
+	    if (availability):
+		availability = green("running")
+	    else:
+		availability = green("not running")
+	    print_info(green(" * ")+yellow("\tHost:\t")+blue(host)+red(" :: ")+availability)