# 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.
from db import Database
from configFileOps import configFileOps
from serviceConfig import serviceCfgBase
from cloudException import CloudRuntimeException, CloudInternalException
from utilities import bash
import os

class cloudManagementConfig(serviceCfgBase):
 def __init__(self, syscfg):
 super(cloudManagementConfig, self).__init__(syscfg)
 self.serviceName = "CloudStack Management Server"
 
 def config(self):
 def checkHostName():
 ret = bash("hostname --fqdn")
 if not ret.isSuccess():
 raise CloudInternalException("Cannot get hostname, 'hostname --fqdn failed'")

 if self.syscfg.env.svrMode == "mycloud":
 cfo = configFileOps("/usr/share/cloudstack-management/conf/environment.properties", self)
 cfo.addEntry("cloud-stack-components-specification", "components-cloudzones.xml")
 cfo.save()

 cfo = configFileOps("/usr/share/cloudstack-management/conf/db.properties", self)
 dbHost = cfo.getEntry("db.cloud.host")
 dbPort = cfo.getEntry("db.cloud.port")
 dbUser = cfo.getEntry("db.cloud.username")
 dbPass = cfo.getEntry("db.cloud.password")
 if dbPass.strip() == "":
 dbPass = None
 dbName = cfo.getEntry("db.cloud.name")
 db = Database(dbUser, dbPass, dbHost, dbPort, dbName)
 
 try:
 db.testConnection()
 except CloudRuntimeException, e:
 raise e
 except:
 raise CloudInternalException("Failed to connect to Mysql server")

 try:
 statement = """ UPDATE configuration SET value='%s' WHERE name='%s'"""
 
 db.execute(statement%('true','use.local.storage'))
 db.execute(statement%('20','max.template.iso.size'))
 
 statement = """ UPDATE vm_template SET url='%s',checksum='%s' WHERE id='%s' """
 db.execute(statement%('https://rightscale-cloudstack.s3.amazonaws.com/kvm/RightImage_CentOS_5.4_x64_v5.6.28.qcow2.bz2', '90fcd2fa4d3177e31ff296cecb9933b7', '4'))
 
 statement="""UPDATE disk_offering set use_local_storage=1"""
 db.execute(statement)
 except:
 raise e
 
 #add DNAT 443 to 8250
 if not bash("iptables-save |grep PREROUTING | grep 8250").isSuccess():
 bash("iptables -A PREROUTING -t nat -p tcp --dport 443 -j REDIRECT --to-port 8250 ")
 
 #generate keystore
 keyPath = "/var/cloudstack/management/web.keystore"
 if not os.path.exists(keyPath):
 cmd = bash("keytool -genkey -keystore %s -storepass \"cloud.com\" -keypass \"cloud.com\" -validity 3650 -dname cn=\"Cloudstack User\",ou=\"mycloud.cloud.com\",o=\"mycloud.cloud.com\",c=\"Unknown\""%keyPath)
 
 if not cmd.isSuccess():
 raise CloudInternalException(cmd.getErrMsg())
 
 cfo = configFileOps("/etc/cloudstack/management/tomcat6.conf", self)
 cfo.add_lines("JAVA_OPTS+=\" -Djavax.net.ssl.trustStore=%s \""%keyPath)
 elif self.syscfg.env.svrMode == "HttpsServer":
 if not os.path.exists("/etc/cloudstack/management/server-ssl.xml") or not os.path.exists("/etc/cloudstack/management/tomcat6-ssl.conf"):
 raise CloudRuntimeException("Cannot find /etc/cloudstack/management/server-ssl.xml or /etc/cloudstack/management/tomcat6-ssl.conf, https enables failed")
 if os.path.exists("/etc/cloudstack/management/server.xml"):
 bash("rm -f /etc/cloudstack/management/server.xml")
 if os.path.exists("/etc/cloudstack/management/tomcat6.conf"):
 bash("rm -f /etc/cloudstack/management/tomcat6.conf")
 bash("ln -s /etc/cloudstack/management/server-ssl.xml /etc/cloudstack/management/server.xml")
 bash("ln -s /etc/cloudstack/management/tomcat6-ssl.conf /etc/cloudstack/management/tomcat6.conf")
 if not bash("iptables-save |grep PREROUTING | grep 6443").isSuccess():
 bash("iptables -A PREROUTING -t nat -p tcp --dport 443 -j REDIRECT --to-port 6443")
 else:
 if not os.path.exists("/etc/cloudstack/management/server-nonssl.xml") or not os.path.exists("/etc/cloudstack/management/tomcat6-nonssl.conf"):
 raise CloudRuntimeException("Cannot find /etc/cloudstack/management/server-nonssl.xml or /etc/cloudstack/management/tomcat6-nonssl.conf, https enables failed")
 if os.path.exists("/etc/cloudstack/management/server.xml"):
 bash("rm -f /etc/cloudstack/management/server.xml")
 if os.path.exists("/etc/cloudstack/management/tomcat6.conf"):
 bash("rm -f /etc/cloudstack/management/tomcat6.conf")
 bash("ln -s /etc/cloudstack/management/server-nonssl.xml /etc/cloudstack/management/server.xml")
 bash("ln -s /etc/cloudstack/management/tomcat6-nonssl.conf /etc/cloudstack/management/tomcat6.conf")

 bash("touch /var/run/cloudstack-management.pid")
 bash("chown cloud.cloud /var/run/cloudstack-management.pid")
 #distro like sl 6.1 needs this folder, or tomcat6 failed to start
 checkHostName()
 bash("mkdir /var/log/cloudstack-management/")
 #set max process per account is unlimited
 if os.path.exists("/etc/security/limits.conf"):
 cfo = configFileOps("/etc/security/limits.conf")
 cfo.add_lines("cloud soft nproc -1\n")
 cfo.add_lines("cloud hard nproc -1\n")
 cfo.save()
 
 try:
 self.syscfg.svo.disableService("tomcat6")
 except:
 pass
 
 self.syscfg.svo.stopService("cloudstack-management")
 if self.syscfg.svo.enableService("cloudstack-management"):
 return True
 else:
 raise CloudRuntimeException("Failed to configure %s, please see the /var/log/cloudstack/setupManagement.log for detail"%self.serviceName)