| """Fetch and Deploy Cuttlefish images to specified GCE instance. |
| """ |
| |
| from cmdexec import Target |
| |
| class ConfigAction(object): |
| """This class configures remote instance. |
| """ |
| def __init__(self): |
| pass |
| |
| |
| @staticmethod |
| def configure(parser): |
| """Set up command line argument parser.""" |
| parser.add_argument('-i', '--instance', type=str, required=True, |
| help='IP address of GCE instance.') |
| parser.add_argument('--instance_folder', type=str, required=False, |
| default='/srv/cf', |
| help='Folder on the remote machine where images should be deployed.') |
| |
| |
| def execute(self, args): |
| """Configure remote instance.""" |
| try: |
| ssh_tgt = Target.for_remote_host(args.instance) |
| # Configure current user to allow them to use libvirt. |
| ssh_tgt.execute('sudo usermod -a -G libvirt ${USER}') |
| ssh_tgt.execute_no_wait('newgrp libvirt') |
| |
| # Give user and libvirt access rights to specified folder. |
| # Remote directory appears as 'no access rights' except for included |
| # users. |
| ssh_tgt.execute('sudo mkdir -p %s' % args.instance_folder) |
| ssh_tgt.execute('sudo chmod ugo= %s' % args.instance_folder) |
| ssh_tgt.execute('sudo setfacl -m g:libvirt:rwx %s' % args.instance_folder) |
| ssh_tgt.execute('sudo setfacl -m u:libvirt-qemu:rwx %s' % args.instance_folder) |
| |
| # Configure libvirt to allow qemu to connect to our sockets. |
| ssh_tgt.execute('sudo sed -i\'\' \'' |
| 's/[#\\s]*security_driver = ".*"\\s*$/security_driver = "none"/g' |
| '\' /etc/libvirt/qemu.conf') |
| # Disallow libvirt from altering file permissions. |
| ssh_tgt.execute('sudo sed -i\'\' \'' |
| 's/[#\\s]*dynamic_ownership = .*\\s*$/dynamic_ownership = 0/g' |
| '\' /etc/libvirt/qemu.conf') |
| ssh_tgt.execute('sudo service libvirtd restart') |
| ssh_tgt.execute('virsh net-create /usr/share/cuttlefish-common/network-abr0.xml') |
| |
| finally: |
| pass |
