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# to you under the Apache License, Version 2.0 (the
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#
# http://www.apache.org/licenses/LICENSE-2.0
#
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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 as 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 ")
 elif self.syscfg.env.svrMode == "HttpsServer":
 if not bash("iptables-save |grep PREROUTING | grep 8443").isSuccess():
 bash("iptables -A PREROUTING -t nat -p tcp --dport 443 -j REDIRECT --to-port 8443")
 bash("touch /var/run/cloudstack-management.pid")
 bash("chown cloud.cloud /var/run/cloudstack-management.pid")
 checkHostName()
 bash("mkdir -p /var/lib/cloudstack/")
 bash("chown cloud:cloud -R /var/lib/cloudstack/")
 #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()

 if self.syscfg.env.noStart == False:
 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/management/setupManagement.log for detail"%self.serviceName)
 else:
 print("Configured successfully, but not starting management server.")
 return True