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esxi_prov.py
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esxi_prov.py
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#!/usr/bin/python
"""
Name : esxi_contrailvm.py
Author : Prasad Miriyala, Kiran Desai
Description : Start Contrail VM, utilities
1) Prepare .vmx
2) Creating networking support for contrail vm
a. create vswitches
b. port groups and vlans
c. uplink
3) Create ContrailVM
a. ssh to esxi server
b. ftp vmx, vmdk
d. create think vmdk
f. register contrail vm
g. power on
Utilities
4) Power on/off/reset
5) Unregister VM from VC, will be useful for modifying VM Parameters
"""
import cgitb
import paramiko
import os
import logging as LOG
try:
from collections import OrderedDict
except ImportError:
from ordereddict import OrderedDict
import pdb
import socket
def ssh(host, user, passwd, log=LOG):
""" SSH to any host.
"""
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(host, username=user, password=passwd)
return ssh
# end ssh
def execute_cmd(session, cmd, log=LOG):
"""Executing long running commands in background has issues
So implemeted this to execute the command.
"""
log.debug("Executing command: %s" % cmd)
stdin, stdout, stderr = session.exec_command(cmd)
# end execute_cmd
def execute_cmd_out(session, cmd, log=LOG):
"""Executing long running commands in background through fabric has issues
So implemeted this to execute the command.
"""
stdin, stdout, stderr = session.exec_command(cmd)
out = None
err = None
out = stdout.read()
err = stderr.read()
#log.debug("STDERR: %s", err)
return (out, err)
# end execute_cmd_out
class ContrailVM(object):
"""
Create contrail VM
"""
def __init__(self, vm_params):
self.vm = vm_params['vm']
self.vmdk = vm_params['vmdk']
self.datastore = vm_params['datastore']
self.eth0_mac = vm_params['eth0_mac']
self.eth0_ip = vm_params['eth0_ip']
self.eth0_pg = vm_params['eth0_pg']
self.eth0_vswitch = vm_params['eth0_vswitch']
self.eth0_vlan = vm_params['eth0_vlan']
self.uplink_nic = vm_params['uplink_nic']
self.uplink_vswitch = vm_params['uplink_vswitch']
self.server = vm_params['server']
self.username = vm_params['username']
self.password = vm_params['password']
self.thindisk = vm_params['thindisk']
self.vmdk_download_path = vm_params['vmdk_download_path']
self.vm_domain = vm_params['domain']
self.vm_id = 0
self.vm_server = vm_params['vm_server']
self.vm_password = vm_params['vm_password']
self.vm_deb = vm_params['vm_deb']
self._create_networking()
print self._create_vm()
print self._install_contrailvm_pkg(self.eth0_ip, "root", self.vm_password, self.vm_domain, self.vm_server, self.vm_deb)
#end __init__
vmx_file = OrderedDict ((('.encoding', "UTF-8"),
('config.version', "8"),
('virtualHW.version', "8"),
('vmci0.present', "TRUE"),
('hpet0.present', "TRUE"),
('nvram', "ContrailVM.nvram"),
('virtualHW.productCompatibility', "hosted"),
('powerType.powerOff', "soft"),
('powerType.powerOn', "hard"),
('powerType.suspend', "hard"),
('powerType.reset', "soft"),
('displayName', "sample"),
('extendedConfigFile', "ContrailVM.vmxf"),
('floppy0.present', "FALSE"),
('numvcpus', "4"),
('cpuid.coresPerSocket', "4"),
('scsi0.present', "TRUE"),
('scsi0.sharedBus', "none"),
('scsi0.virtualDev', "lsilogic"),
('memsize', "8228"),
('scsi0:0.present', "TRUE"),
('scsi0:0.fileName', "Contrail.vmdk"),
('scsi0:0.deviceType', "scsi-hardDisk"),
('ethernet0.present', "TRUE"),
('ethernet0.virtualDev', "e1000"),
('ethernet0.networkName', "contrail-fab-pg"),
('ethernet0.addressType', "static"),
('ethernet0.address', "00:00:de:ad:be:ef"),
('chipset.onlineStandby', "FALSE"),
('guestOS', "ubuntu-64")))
def _create_vmx_file(self, vmname, vmdkname, eth0mac=None, eth0pg=None,
vswitch1=None, vswitch2=None, ):
if vmname is not None:
self.vmx_file['nvram'] = vmname + '.nvram'
self.vmx_file['extendedConfigFile'] = vmname + '.vmxf'
self.vmx_file['displayName'] = vmname
if vmdkname is not None:
self.vmx_file['scsi0:0.fileName'] = vmdkname + '.vmdk'
if eth0mac is not None:
self.vmx_file['ethernet0.address'] = eth0mac
if eth0pg is not None:
self.vmx_file['ethernet0.networkName'] = eth0pg
vmf_fp = open("/tmp/contrail.vmx", "w+")
for k, v in self.vmx_file.items():
vmf_fp.write(k+ " = "+"\""+v+"\"\n")
vmf_fp.close()
return
# end create_vmx_file
def _create_vm(self):
"""
Create vmx file and sftp to esxi host.
Copies the thin vmdk and expands it.
Register and power on contrail vm.
"""
self._create_vmx_file(self.vm, self.vmdk, self.eth0_mac, self.eth0_pg)
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
vm_store = self.datastore+"/"+self.vm+"/"
get_vmid = 0
get_vmid_cmd = ("vim-cmd vmsvc/getallvms | grep %s | awk \'{print $1}\'") % (self.vm)
get_vmid, err = execute_cmd_out(ssh_session, get_vmid_cmd)
if get_vmid is not 0:
out, err = execute_cmd_out(ssh_session, ("vim-cmd vmsvc/power.off %s") % (get_vmid))
out, err = execute_cmd_out(ssh_session, ("vim-cmd vmsvc/unregister %s") % (get_vmid))
out, err = execute_cmd_out(ssh_session, ("rm -rf %s") % (vm_store))
create_dir = ("%s %s/%s") % ("mkdir -p", self.datastore, self.vm)
execute_cmd_out(ssh_session, create_dir)
# open sftp and transfer .vmx and thin disk and close the channel
transport = paramiko.Transport((self.server, 22))
transport.connect(username=self.username, password=self.password)
sftp = paramiko.SFTPClient.from_transport(transport)
dst_vmx = self.vm+".vmx"
thin_vmdk = self.vmdk+"-disk.vmdk"
thick_vmdk = self.vmdk+".vmdk"
sftp.put("/tmp/contrail.vmx", vm_store+dst_vmx)
try:
if self.thindisk is None:
cmd = "wget "+self.vmdk_download_path+" -O /tmp/ContrailVM-disk1.vmdk"
os.system('%s' %(cmd))
self.thindisk = '/tmp/ContrailVM-disk1.vmdk'
sftp.put(self.thindisk, vm_store+thin_vmdk)
except Exception, e:
print '*** Caught exception: %s: %s' % (e.__class__, e)
transport.close()
return
transport.close()
# Convert thin to thick disk
#vmkfstools -i "thin" -d zeroedthick "thick"
src_vmdk = vm_store+thin_vmdk
dst_vmdk = vm_store+thick_vmdk
convert_thick_vmdk = ("vmkfstools -i \"%s\" -d zeroedthick \"%s\"") % (src_vmdk, dst_vmdk)
out, err = execute_cmd_out(ssh_session, convert_thick_vmdk)
# Regiser the VM
# vim-cmd solo/registervm <vmx file location>
register_vm = "vim-cmd solo/registervm "+ vm_store + dst_vmx
register_out, register_err = execute_cmd_out(ssh_session, register_vm)
if register_out:
# Upon regisstration successful power on the VM
try:
self.vm_id = int(register_out)
power_on_vm = ("vim-cmd vmsvc/power.on %s") % (self.vm_id)
power_on_out, power_on_err = execute_cmd_out(ssh_session, power_on_vm)
if power_on_err:
# Check the error and unregister_vm
ssh_session.close()
return power_on_err
elif power_on_out:
ssh_session.close()
return power_on_out
except ValueError:
ssh_session.close()
return register_out
None
if register_err:
# Close ssh session
ssh_session.close()
return register_err
# Close ssh session
ssh_session.close()
# end _create_vm
def _unregister_vm(self):
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
unregister_vm_cmd = ("vim-cmd vmsvc/unregister %s") % (self.vm_id)
out, err = execute_cmd_out(ssh_session, unregister_vm_cmd)
ssh_session.close()
# end _unregister_vm
def _power_off_vm(self):
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
power_off_vm_cmd = ("vim-cmd vmsvc/power.off %s") % (self.vm_id)
out, err = execute_cmd_out(ssh_session, power_off_vm_cmd)
ssh_session.close()
# end _power_off_vm
def _power_on_vm(self):
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
power_on_vm_cmd = ("vim-cmd vmsvc/power.on %s") % (self.vm_id)
out, err = execute_cmd_out(ssh_session, power_on_vm_cmd)
ssh_session.close()
# end _power_on_vm
def _power_reset_vm(self):
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
power_reset_vm_cmd = ("vim-cmd vmsvc/power.reset %s") % (self.vm_id)
out, err = execute_cmd_out(ssh_session, power_reset_vm_cmd)
ssh_session.close()
# end _power_reset_vm
def _create_networking(self):
# open ssh session
ssh_session = ssh(self.server, self.username, self.password)
if ssh_session is None:
return
if self.eth0_vswitch is not 'vSwitch0':
vswitch_cmd = ('esxcli network vswitch standard add --vswitch-name=%s') % (self.eth0_vswitch)
out, err = execute_cmd_out(ssh_session, vswitch_cmd)
if self.eth0_pg is not None:
pg_cmd = ('esxcli network vswitch standard portgroup add --portgroup-name=%s --vswitch-name=%s') % (
self.eth0_pg, self.eth0_vswitch)
out, err = execute_cmd_out(ssh_session, pg_cmd)
if self.eth0_vlan is not None and self.eth0_pg:
vlan_cmd = ('esxcli network vswitch standard portgroup set --portgroup-name=%s --vlan-id=%s') % (
self.eth0_pg, self.eth0_vlan)
out, err = execute_cmd_out(ssh_session, vlan_cmd)
if self.uplink_vswitch is not None:
uplink_cmd = ('esxcli network vswitch standard uplink add --uplink-name=%s --vswitch-name=%s') % (
self.uplink_nic, self.uplink_vswitch)
out, err = execute_cmd_out(ssh_session, uplink_cmd)
ssh_session.close()
# end _create_networking
def _install_contrailvm_pkg(self, ip, user, passwd, domain, server ,
pkg):
MAX_RETRIES = 5
retries = 0
connected = False
while retries <= MAX_RETRIES and connected == False:
try:
connected = True
ssh_session = paramiko.SSHClient()
ssh_session.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_session.connect(ip, username=user, password=passwd, timeout=300)
sftp = ssh_session.open_sftp()
except socket.error, paramiko.SSHException:
connected = False
ssh_session.close()
retries = retries + 1
continue
if retries > MAX_RETRIES:
return ( "Connection to %s failed" % (ip))
sftp.put(pkg, "/tmp/contrail_pkg")
sftp.close()
#Set up ntp
ntp_cmd = ('ntpdate "%s"') %(self.ntp_server)
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('mv /etc/ntp.conf /etc/ntp.conf.orig')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('touch /var/lib/ntp/drift')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('echo "driftfile /var/lib/ntp/drift" >> /etc/ntp.conf')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('echo "server %s" >> /etc/ntp.conf') % (self.ntp_server)
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('echo "restrict 127.0.0.1" >> /etc/ntp.conf')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('echo "restrict -6 ::1" >> /etc/ntp.conf')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
ntp_cmd = ('service ntp restart')
out, err = execute_cmd_out(ssh_session, ntp_cmd)
# end ntp setup
install_cmd = ("/usr/bin/dpkg -i %s") % ("/tmp/contrail_pkg")
out, err = execute_cmd_out(ssh_session, install_cmd)
setup_cmd = "/opt/contrail/contrail_packages/setup.sh"
out, err = execute_cmd_out(ssh_session, setup_cmd)
etc_host_cmd = ('echo "%s %s.%s %s" >> /etc/hosts') % (ip , server, domain, server)
out, err = execute_cmd_out(ssh_session, etc_host_cmd)
etc_host_cmd = ('echo "%s %s >> /etc/hosts') % (ip , server)
out, err = execute_cmd_out(ssh_session, etc_host_cmd)
# close ssh session
ssh_session.close()
print "Contrail package installed."
# end _install_contrailvm_pkg
#end class ContrailVM
'''
contrail_vm_params = { 'vm':"ContrailVM",
'vmdk':"ContrailVM",
'datastore':"/vmfs/volumes/cs_shared/",
'eth0_mac':"00:00:00:aa:bb:cc",
'eth0_ip':"10.204.216.101",
'eth0_pg':"contrail-fab-pg",
'eth0_vswitch':'vSwitch0',
'eth0_vlan': None,
'uplink_nic': 'vmnic0',
'uplink_vswitch':'vSwitch0',
'server':"127.0.0.1",
'username':"root",
'password':"c0ntrail123",
'thindisk':"/tmp/ContrailVM-disk.vmdk",
'domain':'englab.juniper.net',
'smgr_ip':'10.204.217.59',
'vm_server': 'contrail-vm',
'vm_password': 'c0ntrail123',
'vm_deb': '~/contrail-install-packages_1.05-5440~havana_all.deb'
}
def main(args_str=None):
ContrailVM(contrail_vm_params)
# end main
if __name__ == '__main__':
cgitb.enable(format='text')
main()
'''