def refresh_credentials(vps247_account, ip_address, new_root_password,
new_stats_password, new_stats_username):
ssh = psi_ssh.make_ssh_session(ip_address, vps247_account.base_ssh_port,
'root', vps247_account.base_root_password,
None)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password, ))
ssh.exec_command('useradd -M -d /var/log -s /bin/sh -g adm %s' %
(new_stats_username))
ssh.exec_command('echo "%s:%s" | chpasswd' %
(new_stats_username, new_stats_password))
user_exists = ssh.exec_command('grep %s /etc/ssh/sshd_config' %
new_stats_username)
if not user_exists:
ssh.exec_command(
'sed -i "s/^AllowUsers.*/& %s/" /etc/ssh/sshd_config' %
new_stats_username)
ssh.exec_command('service ssh restart')
ssh.exec_command('rm /home/debian/*')
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def set_host_name(digitalocean_account, ip_address, password, new_hostname):
# Note: hostnamectl is for systemd servers
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command('hostnamectl set-hostname %s' % new_hostname)
def get_egress_ip_address(linode_account, ip_address, password,
host_public_key):
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', password, host_public_key)
egress_ip = ssh.exec_command(
"/sbin/ifconfig eth0 | grep 'inet ' | awk '{print $2}'")
return egress_ip.split("\n")[0]
def refresh_credentials(digitalocean_account, ip_address, new_root_password,
new_stats_password, stats_username):
"""
Sets a new unique password on the droplet and removes the old ssh_host key.
digitalocean_account : Digitalocean account details
ip_address : droplet.ip_address
new_root_password : new root password to set
new_stats_password : new stats password to set
stats_username : stats username to change password for
"""
# Note: using auto-add-policy for host's SSH public key here since we can't get it through the API.
# There's a risk of man-in-the-middle.
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password, ))
ssh.exec_command('useradd -M -d /var/log -s /bin/sh -g adm %s' %
(stats_username))
ssh.exec_command('echo "%s:%s" | chpasswd' %
(stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command(
'export DEBIAN_FRONTEND=noninteractive && dpkg-reconfigure openssh-server'
)
ssh.exec_command(
'sed -i -e "/^PasswordAuthentication no/s/^.*$/PasswordAuthentication yes/" /etc/ssh/sshd_config'
)
ssh.exec_command('service ssh restart')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def set_allowed_users(linode_account, ip_address, password, host_public_key, stats_username):
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', password, host_public_key)
user_exists = ssh.exec_command('grep %s /etc/ssh/sshd_config' % stats_username)
if not user_exists:
ssh.exec_command('sed -i "s/^AllowUsers.*/& %s/" /etc/ssh/sshd_config' % stats_username)
ssh.exec_command('service ssh restart')
def update_system_packages(digitalocean_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command(
'export DEBIAN_FRONTEND=noninteractive && aptitude update -q && aptitude safe-upgrade -y -o Dpkg::Options::="--force-confdef"'
)
def install_tcs(vps247_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, 22, 'root',
vps247_account.base_root_password, None)
ssh.exec_command(
'bash /home/debian/native.sh > /home/debian/installing.log')
ssh.close()
return
def _refresh_credentials(self, ssh_info, new_root_password, new_stats_password):
ssh = psi_ssh.make_ssh_session(*ssh_info, verbose=self._verbose)
ssh.exec_command('echo "%s:%s" | chpasswd' % (self._account.root_username, new_root_password,))
ssh.exec_command('echo "%s:%s" | chpasswd' % (self._account.stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def _reboot(self, ssh_info):
'''
Reboots the server and waits until it is available again.
This function SSHes into the server and issues a reboot command.
Alternatively, we could use the ElasticHosts API to do an ACPI reboot.
'''
ssh = psi_ssh.make_ssh_session(*ssh_info, verbose=self._verbose)
ssh.exec_command('reboot')
ssh.close()
# Try to connect again, retrying. When it succeeds, the reboot will be done.
# Wait a little to make sure we're not connecting *before* the reboot.
time.sleep(5)
ssh = psi_ssh.make_ssh_session(*ssh_info, verbose=self._verbose)
ssh.close()
def add_swap_file(scaleway_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, scaleway_account.base_ssh_port, 'root', None, None, host_auth_key=scaleway_account.base_rsa_private_key)
ssh.exec_command('dd if=/dev/zero of=/swapfile bs=1024 count=1048576 && mkswap /swapfile && chown root:root /swapfile && chmod 0600 /swapfile')
ssh.exec_command('echo "/swapfile swap swap defaults 0 0" >> /etc/fstab')
ssh.exec_command('swapon -a')
ssh.close()
return
def set_allowed_users(scaleway_account, ip_address, stats_username):
ssh = psi_ssh.make_ssh_session(ip_address, scaleway_account.base_ssh_port,
'root', None, None,
host_auth_key=scaleway_account.base_rsa_private_key)
user_exists = ssh.exec_command('grep %s /etc/ssh/sshd_config' % stats_username)
if not user_exists:
ssh.exec_command('sed -i "s/^AllowUsers.*/& %s/" /etc/ssh/sshd_config' % stats_username)
ssh.exec_command('service ssh restart')
def update_kernel(digitalocean_account, do_mgr, droplet):
"""
This updates the kernel to use the same one as provided in the apt
system packages.
digitalocean_account : DigitalOcean account information
do_mgr : digitalocean.Manager
droplet : droplet details. Gathered from droplet.load()
returns:
droplet : droplet details.
"""
current_kernel_name = None
ssh = psi_ssh.make_ssh_session(droplet.ip_address, digitalocean_account.base_ssh_port,
'root', None, None, digitalocean_account.base_rsa_private_key)
droplet_kernel_pkg = ssh.exec_command('aptitude show linux-image-`uname -r`').split('\n')
droplet_uname = ssh.exec_command('uname -r').strip()
if len(droplet_kernel_pkg) > 0:
for line in droplet_kernel_pkg:
if 'State: installed' in line:
print line
if 'Version: ' in line:
print line
current_kernel_name = line.split(': ')[1].split('+')[0]
break
if not current_kernel_name:
raise Exception('Current Kernel version is not found')
droplet_kernels = droplet.get_kernel_available()
new_kernel = None
if current_kernel_name not in droplet.kernel['name']:
for kernel in droplet_kernels:
if current_kernel_name in kernel.name and droplet_uname == kernel.version:
print 'Kernel found. ID: %s, Name: %s' % (kernel.id, kernel.name)
new_kernel = kernel
break
if new_kernel:
print 'Change to use new kernel. ID: %s' % (new_kernel.id)
result = droplet.change_kernel(new_kernel)
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30, 'change_kernel', 'completed'):
raise Exception('Event did not complate on time')
droplet = droplet.load()
result = droplet.power_cycle()
print result
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30, 'power_cycle', 'completed'):
raise Exception('Event did not complete in time')
droplet = droplet.load()
if droplet.status != 'active':
result = droplet.power_on()
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30, 'power_on', 'completed'):
raise Exception('Event did not complete in time')
droplet = droplet.load()
return droplet
def refresh_credentials(linode_account, ip_address, new_root_password, new_stats_password):
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', linode_account.base_root_password,
linode_account.base_host_public_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password,))
ssh.exec_command('echo "%s:%s" | chpasswd' % (linode_account.base_stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def refresh_credentials(digitalocean_account, ip_address, new_root_password, new_stats_password):
# Note: using auto-add-policy for host's SSH public key here since we can't get it through the API.
# There's a risk of man-in-the-middle.
ssh = psi_ssh.make_ssh_session(ip_address, digitalocean_account.base_ssh_port, 'root', None, None, digitalocean_account.base_rsa_private_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password,))
ssh.exec_command('echo "%s:%s" | chpasswd' % (digitalocean_account.base_stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def refresh_credentials(scaleway_account, ip_address, new_root_password, new_stats_password, stats_username):
ssh = psi_ssh.make_ssh_session(ip_address, scaleway_account.base_ssh_port,
'root', None, None,
host_auth_key=scaleway_account.base_rsa_private_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password,))
ssh.exec_command('useradd -M -d /var/log -s /bin/sh -g adm %s' % (stats_username))
ssh.exec_command('echo "%s:%s" | chpasswd' % (stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('export DEBIAN_FRONTEND=noninteractive && dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def update_system_packages(digitalocean_account, ip_address):
"""
Updates system packages using apt. This should only be used when
updating the base image.
digitalocean_account : DigitalOcean account details
ip_address : droplet.ip_address
"""
ssh = psi_ssh.make_ssh_session(ip_address, digitalocean_account.base_ssh_port, 'root', None, None, digitalocean_account.base_rsa_private_key)
ssh.exec_command('export DEBIAN_FRONTEND=noninteractive && aptitude update -q && aptitude safe-upgrade -y -o Dpkg::Options::="--force-confdef"')
ssh.close()
def _change_hostname(self, ssh_info, random_name, reboot):
'''
Changes the hostname of the host (ElasticHosts "server") at ip_address.
Note that the name change won't actually take place until the server is
rebooted.
'''
# Note: using base image credentials; call before changing credentials
ssh = psi_ssh.make_ssh_session(*ssh_info, verbose=self._verbose)
ssh.exec_command('echo "%s" > /etc/hostname' % random_name).strip()
if reboot: self._reboot(ssh_info)
def add_swap_file(vps247_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, vps247_account.base_ssh_port,
'root', vps247_account.base_root_password,
None)
ssh.exec_command(
'dd if=/dev/zero of=/swapfile bs=1024 count=1048576 && mkswap /swapfile && chown root:root /swapfile && chmod 0600 /swapfile'
)
ssh.exec_command('echo "/swapfile swap swap defaults 0 0" >> /etc/fstab')
ssh.exec_command('swapon -a')
ssh.close()
return
def upload_certs(vps247_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, vps247_account.base_ssh_port,
'root', vps247_account.base_root_password,
None)
ssh.put_file(AUTOMATION_DIR + "/ssl/logs.cert.pem",
"/opt/psiphon/certs/logs.cert.pem")
ssh.put_file(AUTOMATION_DIR + "/ssl/beats.psiphon3.com.cert.pem",
"/opt/psiphon/certs/beats.psiphon3.com.cert.pem")
ssh.put_file(AUTOMATION_DIR + "/ssl/beats.psiphon3.com.key.pem",
"/opt/psiphon/certs/beats.psiphon3.com.key.pem")
ssh.close()
return
def refresh_credentials(ramnode_account, ip_address, password, host_public_key,
new_root_password, new_stats_password, stats_username):
ssh = psi_ssh.make_ssh_session(ip_address, ramnode_account.base_ssh_port,
'root', password, host_public_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password, ))
ssh.exec_command('useradd -M -d /var/log -s /bin/sh -g adm %s' %
(stats_username))
ssh.exec_command('echo "%s:%s" | chpasswd' %
(stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def reset_root_password(vps247_account, ip_address, init_pass):
ssh = psi_ssh.make_ssh_session(ip_address, 22, 'debian', None, None,
vps247_account.base_rsa_private_key)
ssh.put_file(AUTOMATION_DIR + "/update_root_password.sh",
"/home/debian/update.sh")
ssh.put_file(AUTOMATION_DIR + "/base_image_init_native.sh",
"/home/debian/native.sh")
cmd = 'sh -c "sleep 1; echo ' + init_pass + '" | script -qc "su -c \'bash /home/debian/update.sh\' - root"'
ssh.exec_command(cmd)
ssh.close()
return
def upload_certs(vps247_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, vps247_account.base_ssh_port,
'root', vps247_account.base_root_password,
None)
ssh.put_file(AUTOMATION_DIR + "/ssl/old-ca.pem",
"/opt/psiphon/certs/old-ca.pem")
ssh.put_file(AUTOMATION_DIR + "/ssl/new-ca.pem",
"/opt/psiphon/certs/new-ca.pem")
ssh.put_file(AUTOMATION_DIR + "/ssl/client-psiphon3.pem",
"/opt/psiphon/certs/client-psiphon3.pem")
ssh.put_file(AUTOMATION_DIR + "/ssl/client-psiphon3-key.pem",
"/opt/psiphon/certs/client-psiphon3-key.pem")
ssh.exec_command("chmod 400 /opt/psiphon/certs/*")
ssh.close()
return
def refresh_credentials(digitalocean_account, ip_address, new_root_password,
new_stats_password):
# Note: using auto-add-policy for host's SSH public key here since we can't get it through the API.
# There's a risk of man-in-the-middle.
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command('echo "root:%s" | chpasswd' % (new_root_password, ))
ssh.exec_command(
'echo "%s:%s" | chpasswd' %
(digitalocean_account.base_stats_username, new_stats_password))
ssh.exec_command('rm /etc/ssh/ssh_host_*')
ssh.exec_command('rm -rf /root/.ssh')
ssh.exec_command('dpkg-reconfigure openssh-server')
return ssh.exec_command('cat /etc/ssh/ssh_host_rsa_key.pub')
def pave_linode(linode_account, ip_address, password):
# Note: using auto-add-policy for host's SSH public key here since we can't get it through the Linode API.
# There's a risk of man-in-the-middle.
ssh = psi_ssh.make_ssh_session(ip_address, 22, 'root', password, None)
ssh.exec_command('mkdir -p /root/.ssh')
ssh.exec_command('echo "%s" > /root/.ssh/known_hosts' % (linode_account.base_known_hosts_entry,))
ssh.exec_command('echo "%s" > /root/.ssh/id_rsa' % (linode_account.base_rsa_private_key,))
ssh.exec_command('chmod 600 /root/.ssh/id_rsa')
ssh.exec_command('echo "%s" > /root/.ssh/id_rsa.pub' % (linode_account.base_rsa_public_key,))
ssh.exec_command('scp -P %d root@%s:%s %s' % (linode_account.base_ssh_port,
linode_account.base_ip_address,
linode_account.base_tarball_path,
linode_account.base_tarball_path))
ssh.exec_command('apt-get update > /dev/null')
ssh.exec_command('apt-get install -y bzip2 > /dev/null')
ssh.exec_command('tar xvpfj %s -C / > /dev/null' % (linode_account.base_tarball_path,))
def update_system_packages(digitalocean_account, ip_address):
"""
Updates system packages using apt. This should only be used when
updating the base image.
digitalocean_account : DigitalOcean account details
ip_address : droplet.ip_address
"""
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command(
'export DEBIAN_FRONTEND=noninteractive && aptitude update -q && aptitude safe-upgrade -y -o Dpkg::Options::="--force-confdef"'
)
ssh.close()
def upgrade_debian_distro(digitalocean_account, ip_address, old_version, new_version):
'''upgrade_debian_distro is used to perform a distribution upgrade on a host.
'''
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port,
'root',
None,
None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command("cp /etc/apt/sources.list{,.old}")
ssh.exec_command("sed -i 's/%s/%s/g' /etc/apt/sources.list" % (old_version, new_version))
ssh.exec_command("sed -i 's/%s/%s/g' /etc/apt/sources.list" % (old_version, new_version))
ssh.exec_command('export DEBIAN_FRONTEND=noninteractive && apt-get update -q && apt-get dist-upgrade -y -f -o Dpkg::Options::="--force-confdef"')
ssh.exec_command('apt-get update && apt-get autoremove -y -f')
ssh.exec_command('shutdown -r now')
ssh.close()
def upgrade_debian_distro(digitalocean_account, ip_address, old_version,
new_version):
'''upgrade_debian_distro is used to perform a distribution upgrade on a host.
'''
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
ssh.exec_command("cp /etc/apt/sources.list{,.old}")
ssh.exec_command("sed -i 's/%s/%s/g' /etc/apt/sources.list" %
(old_version, new_version))
ssh.exec_command("sed -i 's/%s/%s/g' /etc/apt/sources.list" %
(old_version, new_version))
ssh.exec_command(
'export DEBIAN_FRONTEND=noninteractive && apt-get update -q && apt-get dist-upgrade -y -f -o Dpkg::Options::="--force-confdef"'
)
ssh.exec_command('apt-get update && apt-get autoremove -y -f')
ssh.exec_command('shutdown -r now')
ssh.close()
def set_allowed_users(digitalocean_account, ip_address, password,
stats_username):
"""
Adds user account to AllowUsers config in /etc/ssh/sshd_config
digitalocean_account : Digitalocean account details
ip_address : droplet IP address
password : password to connect to server
host_public_key : droplet ssh public key
stats_username : user account to add to AllowUsers
"""
ssh = psi_ssh.make_ssh_session(ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
user_exists = ssh.exec_command('grep %s /etc/ssh/sshd_config' %
stats_username)
if not user_exists:
ssh.exec_command(
'sed -i "s/^AllowUsers.*/& %s/" /etc/ssh/sshd_config' %
stats_username)
ssh.exec_command('service ssh restart')
def set_host_name(linode_account, ip_address, password, host_public_key,
new_hostname):
# Note: hostnamectl is for systemd servers
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', password, host_public_key)
ssh.exec_command('hostnamectl set-hostname %s' % new_hostname)
def set_host_name(scaleway_account, ip_address, new_hostname):
# Note: hostnamectl is for systemd servers
ssh = psi_ssh.make_ssh_session(ip_address, scaleway_account.base_ssh_port,
'root', None, None,
host_auth_key=scaleway_account.base_rsa_private_key)
ssh.exec_command('hostnamectl set-hostname %s' % new_hostname)
def get_host_name(scaleway_account, ip_address):
# Note: using base image credentials; call before changing credentials
ssh = psi_ssh.make_ssh_session(ip_address, scaleway_account.base_ssh_port,
'root',None, None,
host_auth_key=scaleway_account.base_rsa_private_key)
return ssh.exec_command('hostname').strip()
def update_kernel(digitalocean_account, do_mgr, droplet):
"""
This updates the kernel to use the same one as provided in the apt
system packages.
digitalocean_account : DigitalOcean account information
do_mgr : digitalocean.Manager
droplet : droplet details. Gathered from droplet.load()
returns:
droplet : droplet details.
"""
current_kernel_name = None
ssh = psi_ssh.make_ssh_session(droplet.ip_address,
digitalocean_account.base_ssh_port, 'root',
None, None,
digitalocean_account.base_rsa_private_key)
droplet_kernel_pkg = ssh.exec_command(
'aptitude show linux-image-`uname -r`').split('\n')
droplet_uname = ssh.exec_command('uname -r').strip()
if len(droplet_kernel_pkg) > 0:
for line in droplet_kernel_pkg:
if 'State: installed' in line:
print line
if 'Version: ' in line:
print line
current_kernel_name = line.split(': ')[1].split('+')[0]
break
if not current_kernel_name:
raise Exception('Current Kernel version is not found')
droplet_kernels = droplet.get_kernel_available()
new_kernel = None
if current_kernel_name not in droplet.kernel['name']:
for kernel in droplet_kernels:
if current_kernel_name in kernel.name and droplet_uname == kernel.version:
print 'Kernel found. ID: %s, Name: %s' % (kernel.id,
kernel.name)
new_kernel = kernel
break
if new_kernel:
print 'Change to use new kernel. ID: %s' % (new_kernel.id)
result = droplet.change_kernel(new_kernel)
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30,
'change_kernel', 'completed'):
raise Exception('Event did not complate on time')
droplet = droplet.load()
result = droplet.power_cycle()
print result
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30,
'power_cycle', 'completed'):
raise Exception('Event did not complete in time')
droplet = droplet.load()
if droplet.status != 'active':
result = droplet.power_on()
if not wait_on_action(do_mgr, droplet, result['action']['id'], 30,
'power_on', 'completed'):
raise Exception('Event did not complete in time')
droplet = droplet.load()
return droplet
def get_host_name(linode_account, ip_address):
# Note: using base image credentials; call before changing credentials
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', linode_account.base_root_password,
linode_account.base_host_public_key)
return ssh.exec_command('hostname').strip()
def update_system_packages(digitalocean_account, ip_address):
ssh = psi_ssh.make_ssh_session(ip_address, digitalocean_account.base_ssh_port, 'root', None, None, digitalocean_account.base_rsa_private_key)
ssh.exec_command('export DEBIAN_FRONTEND=noninteractive && aptitude update -q && aptitude safe-upgrade -y -o Dpkg::Options::="--force-confdef"')
def get_host_name(linode_account, ip_address):
# Note: using base image credentials; call before changing credentials
ssh = psi_ssh.make_ssh_session(ip_address, linode_account.base_ssh_port,
'root', linode_account.base_root_password,
linode_account.base_host_public_key)
return ssh.exec_command('hostname').strip()
