cloudstack/agent/bindir/mycloud-setup-agent
2011-08-23 19:52:19 -07:00

138 lines
4.6 KiB
Python
Executable File

#!/usr/bin/python
import os
import logging
import sys
import socket
import subprocess
import time
from cloudutils.cloudException import CloudRuntimeException, CloudInternalException
from cloudutils.utilities import initLoging, bash
from cloudutils.configFileOps import configFileOps
from cloudutils.globalEnv import globalEnv
from cloudutils.networkConfig import networkConfig
from cloudutils.syscfg import sysConfigFactory
from optparse import OptionParser
url="http://rightscale-cloudstack.s3.amazonaws.com/kvm/centos/5.4/RightImage_CentOS_5.4_x64_v5.6.34.qcow2.bz2"
destFolder="/mnt/template/tmpl/1/4/"
metaFile="template.properties"
def getUserInputs():
print "Welcome to myCloud Setup:"
mgtSvr = "myagent.cloud.com"
cfo = configFileOps("/etc/cloud/agent/agent.properties")
oldToken = cfo.getEntry("zone")
if oldToken == "default":
oldToken = ""
zoneToken = raw_input("Please input the Zone Token:[%s]"%oldToken)
if zoneToken == "":
if oldToken == "":
print "Please input a valid zone token"
exit(1)
zoneToken = oldToken
try:
defaultNic = networkConfig.getDefaultNetwork()
except:
print "Failed to get default route. Please configure your network to add a default route"
exit(1)
network = defaultNic.name
return [mgtSvr, zoneToken, network]
def downloadTemplate():
if not os.path.exists(destFolder):
os.makedirs(destFolder)
oldName =url.split("/")[-1]
templateFile=url.split("/")[-1].replace(".bz2","")
templateFullPath = destFolder + templateFile
metaFullPath = destFolder + metaFile
if os.path.exists(templateFullPath):
if os.path.exists(metaFullPath):
return True
os.remove(templateFullPath)
print "Need to download myCloud template into your local disk, from " + url + " to " + destFolder + " :"
try:
proc = subprocess.Popen(["/bin/bash", "-c", "wget -O - " + url + " | bunzip2 > " + destFolder + templateFile])
proc.communicate()
ret = proc.poll()
if ret is None or ret < 0:
raise CloudRuntimeException("Failed to download template")
except KeyboardInterrupt:
if os.path.exists(templateFullPath):
os.remove(templateFullPath)
raise CloudRuntimeException("Downloading process is interrupted")
file = open(metaFullPath, "w")
physicalSize = os.stat(templateFullPath).st_size
virtualSize = bash("qemu-img info " + templateFullPath + " |grep virtual").getStdout().split("(")[1].split(" ")[0]
cfo = configFileOps(metaFullPath)
cfo.addEntry("filename", templateFile)
cfo.addEntry("id", "4")
cfo.addEntry("qcow2.size", str(physicalSize))
cfo.addEntry("public", "true")
cfo.addEntry("uniquename", "Rightscale CentOS 5.4")
cfo.addEntry("qcow2.virtualsize", virtualSize)
cfo.addEntry("virtualsize", virtualSize)
cfo.addEntry("hvm", "true")
cfo.addEntry("description", "Rightscale CentOS 5.4")
cfo.addEntry("qcow2", "true")
cfo.addEntry("qcow2.filename", templateFile)
cfo.addEntry("size", str(physicalSize))
cfo.save()
if __name__ == '__main__':
initLoging("/var/log/cloud/setupAgent.log")
glbEnv = globalEnv()
glbEnv.mode = "Agent"
glbEnv.agentMode = "myCloud"
parser = OptionParser()
parser.add_option("-z", "--zone-token", dest="zone", help="zone token")
(options, args) = parser.parse_args()
if options.zone is None:
userInputs = getUserInputs()
glbEnv.mgtSvr = userInputs[0]
glbEnv.zone = userInputs[1]
glbEnv.defaultNic = userInputs[2]
else:
glbEnv.zone = options.zone
try:
defaultNic = networkConfig.getDefaultNetwork()
glbEnv.defaultNic = defaultNic.name
except:
print "Failed to get default route. Please configure your network to have a default route"
sys.exit(2)
#generate UUID
glbEnv.uuid = configFileOps("/etc/cloud/agent/agent.properties").getEntry("guid")
if glbEnv.uuid == "":
glbEnv.uuid = bash("uuidgen").getStdout()
print "Starting to configure your system:"
syscfg = sysConfigFactory.getSysConfigFactory(glbEnv)
try:
syscfg.config()
downloadTemplate()
syscfg.svo.stopService("cloud-agent")
syscfg.svo.enableService("cloud-agent")
print "myCloud setup is Done!"
except (CloudRuntimeException,CloudInternalException), e:
print e
print "Try to restore your system:"
try:
syscfg.restore()
except:
pass