def importHost(host):
sshConfigPath = str(Path.home()) + "/.ssh/config"
config = ConfigParser(sshConfigPath)
config.load()
hostConfig = config.search_host(host)
if (hostConfig == []):
raise Exception("Host does not exists in %s" % sshConfigPath)
return hostConfig
class SSHConfig():
def __init__(self, module):
self.module = module
self.params = module.params
self.user = self.params.get('user')
self.group = self.params.get('group') or self.user
self.host = self.params.get('host')
self.config_file = self.params.get('ssh_config_file')
self.identity_file = self.params['identity_file']
self.check_ssh_config_path()
try:
self.config = ConfigParser(self.config_file)
except FileNotFoundError:
self.module.fail_json(msg="Failed to find %s" % self.config_file)
self.config.load()
def check_ssh_config_path(self):
if self.user:
self.config_file = os.path.join(
os.path.expanduser('~%s' % self.user), '.ssh', 'config')
elif self.config_file is None:
self.config_file = '/etc/ssh/ssh_config'
# See if the identity file exists or not, relative to the config file
if os.path.exists(self.config_file) and self.identity_file is not None:
dirname = os.path.dirname(self.config_file)
self.identity_file = os.path.join(dirname, self.identity_file)
if not os.path.exists(self.identity_file):
self.module.fail_json(msg='IdentityFile %s does not exist' %
self.params['identity_file'])
def ensure_state(self):
hosts_result = self.config.search_host(self.host)
state = self.params['state']
args = dict(
hostname=self.params.get('hostname'),
port=self.params.get('port'),
identity_file=self.params.get('identity_file'),
user=self.params.get('remote_user'),
strict_host_key_checking=self.params.get(
'strict_host_key_checking'),
user_known_hosts_file=self.params.get('user_known_hosts_file'),
proxycommand=self.params.get('proxycommand'),
)
config_changed = False
hosts_changed = []
hosts_change_diff = []
hosts_removed = []
hosts_added = []
hosts_result = [
host for host in hosts_result if host['host'] == self.host
]
if hosts_result:
for host in hosts_result:
if state == 'absent':
# Delete host from the configuration
config_changed = True
hosts_removed.append(host['host'])
self.config.delete_host(host['host'])
else:
# Update host in the configuration
changed, options = self.change_host(
host['options'], **args)
if changed:
config_changed = True
self.config.update_host(host['host'], options)
hosts_changed.append(host['host'])
hosts_change_diff.append({
host['host']: {
'old': host['options'],
'new': options,
}
})
elif state == 'present':
changed, options = self.change_host(dict(), **args)
if changed:
config_changed = True
hosts_added.append(self.host)
self.config.add_host(self.host, options)
if config_changed and not self.module.check_mode:
try:
self.config.write_to_ssh_config()
except PermissionError as perm_exec:
self.module.fail_json(
msg="Failed to write to %s due to permission issue: %s" %
(self.config_file, to_native(perm_exec)))
# Make sure we set the permission
perm_mode = '0600'
if self.config_file == '/etc/ssh/ssh_config':
perm_mode = '0644'
self.module.set_mode_if_different(self.config_file, perm_mode,
False)
# Make sure the file is owned by the right user and group
self.module.set_owner_if_different(self.config_file, self.user,
False)
self.module.set_group_if_different(self.config_file, self.group,
False)
self.module.exit_json(changed=config_changed,
hosts_changed=hosts_changed,
hosts_removed=hosts_removed,
hosts_change_diff=hosts_change_diff,
hosts_added=hosts_added)
@staticmethod
def change_host(options, **kwargs):
options = deepcopy(options)
changed = False
for k, v in kwargs.items():
if '_' in k:
k = k.replace('_', '')
if not v:
if options.get(k):
del options[k]
changed = True
elif options.get(k) != v and not (isinstance(options.get(k), list)
and v in options.get(k)):
options[k] = v
changed = True
return changed, options
class DigitalOcean:
"""Automate Digital Ocean droplet deployment & management"""
def __init__(self, api_token):
self.api_token = api_token
self.ssh_id = self.get_ssh_keys()
self.ssh_config = StormParser(expanduser('~/.ssh/config'))
self.droplet = {}
self.droplet_attrs = ['name', 'disk', 'image', 'size_slug', 'ip_address']
def update_ssh(self):
"""Update ssh config with new ip address and add missing users"""
self.ssh_config.load()
users = {'do': 'root', 'do2': 'kaggle'}
for host in users.keys():
if self.ssh_config.search_host(host):
self.ssh_config.update_host(host, {'user': users[host], 'hostname': self.droplet['ip_address']})
else:
self.ssh_config.add_host(host, {'user': users[host], 'hostname': self.droplet['ip_address']})
self.ssh_config.write_to_ssh_config()
def update_config_script(self, user=None, password=None, authorized_key='id_rsa', hdf=False):
"""Make requisite substitutions in base cloud-config file"""
with open('cloud-config.txt') as txt:
user_data = txt.read()
if user and password:
user_data = user_data.replace('KAGGLE_CREDENTIALS',
' - export KAGGLE_USER={0}\n - export KAGGLE_PASSWD={1}'.format(user,
password))
download_instructions = open('download_instructions.txt').read()
if hdf:
download_instructions += "\n - python3 -c 'from kaggle_data import data_to_hdf; data_to_hdf()'"
user_data = user_data.replace('DATA_DOWNLOAD', download_instructions)
else:
user_data = user_data.replace('KAGGLE_CREDENTIALS', '')
user_data = user_data.replace('DATA_DOWNLOAD', '')
if authorized_key:
user_data = user_data.replace('SSH_AUTHORIZED_KEYS', 'ssh-authorized-keys:\n - {}'.format(
open(expanduser('~/.ssh/{}.pub'.format(authorized_key))).read()))
else:
user_data.replace('SSH_AUTHORIZED_KEYS', '')
return user_data
def launch(self, name='kaggle-droplet', region='nyc2', image='ubuntu-16-04-x64', size='512mb', user=None,
password=None, authorized_key='id_rsa', hdf=False):
"""Launch DigitalOcean droplet instance"""
user_data = self.update_config_script(user=user, password=password, authorized_key=authorized_key, hdf=hdf)
droplet = Droplet(token=self.api_token, name=name, region=region, image=image, size_slug=size, backups=False,
ssh_keys=self.ssh_id, user_data=user_data)
droplet.create()
self.droplet['id'] = droplet.id
while not self.droplet.get('ip_address', None):
self.droplet['ip_address'] = droplet.load().ip_address
self.update_ssh()
pprint.pprint(('Name: {}'.format(droplet.name), 'Image: {}'.format(droplet.image.get('slug')),
'Memory: {}'.format(droplet.size_slug), 'Disk Size: {}'.format(droplet.disk),
'IP Address: {}'.format(droplet.ip_address)))
def get_droplets(self):
"""Get active droplets"""
manager = Manager(token=self.api_token)
my_droplets = manager.get_all_droplets()
return my_droplets
def destroy(self):
"""Destroy all active droplets"""
my_droplets = self.get_droplets()
for droplet in my_droplets:
droplet.destroy()
def get_ssh_keys(self):
"""Get ssh keys stored with DigitalOcean"""
do_ssh_url = 'https://api.digitalocean.com/v2/account/keys'
headers = dict(Authorization='Bearer {}'.format(self.api_token))
response = requests.get(url=do_ssh_url, headers=headers)
ssh_keys = []
for ssh_key in response.json().get('ssh_keys'):
ssh_keys.append(ssh_key.get('id'))
return ssh_keys
class DigitalOcean:
"""Automate Digital Ocean droplet deployment & management"""
def __init__(self, api_token):
self.api_token = api_token
self.ssh_id = self.get_ssh_keys()
self.ssh_config = StormParser(expanduser('~/.ssh/config'))
self.droplet = {}
self.droplet_attrs = [
'name', 'disk', 'image', 'size_slug', 'ip_address'
]
def update_ssh(self):
"""Update ssh config with new ip address and add missing users"""
self.ssh_config.load()
users = {'do': 'root', 'do2': 'kaggle'}
for host in users.keys():
if self.ssh_config.search_host(host):
self.ssh_config.update_host(
host, {
'user': users[host],
'hostname': self.droplet['ip_address']
})
else:
self.ssh_config.add_host(host, {
'user': users[host],
'hostname': self.droplet['ip_address']
})
self.ssh_config.write_to_ssh_config()
def update_config_script(self,
user=None,
password=None,
authorized_key='id_rsa',
hdf=False):
"""Make requisite substitutions in base cloud-config file"""
with open('cloud-config.txt') as txt:
user_data = txt.read()
if user and password:
user_data = user_data.replace(
'KAGGLE_CREDENTIALS',
' - export KAGGLE_USER={0}\n - export KAGGLE_PASSWD={1}'.
format(user, password))
download_instructions = open('download_instructions.txt').read()
if hdf:
download_instructions += "\n - python3 -c 'from kaggle_data import data_to_hdf; data_to_hdf()'"
user_data = user_data.replace('DATA_DOWNLOAD',
download_instructions)
else:
user_data = user_data.replace('KAGGLE_CREDENTIALS', '')
user_data = user_data.replace('DATA_DOWNLOAD', '')
if authorized_key:
user_data = user_data.replace(
'SSH_AUTHORIZED_KEYS', 'ssh-authorized-keys:\n - {}'.format(
open(expanduser(
'~/.ssh/{}.pub'.format(authorized_key))).read()))
else:
user_data.replace('SSH_AUTHORIZED_KEYS', '')
return user_data
def launch(self,
name='kaggle-droplet',
region='nyc2',
image='ubuntu-16-04-x64',
size='512mb',
user=None,
password=None,
authorized_key='id_rsa',
hdf=False):
"""Launch DigitalOcean droplet instance"""
user_data = self.update_config_script(user=user,
password=password,
authorized_key=authorized_key,
hdf=hdf)
droplet = Droplet(token=self.api_token,
name=name,
region=region,
image=image,
size_slug=size,
backups=False,
ssh_keys=self.ssh_id,
user_data=user_data)
droplet.create()
self.droplet['id'] = droplet.id
while not self.droplet.get('ip_address', None):
self.droplet['ip_address'] = droplet.load().ip_address
self.update_ssh()
pprint.pprint(('Name: {}'.format(droplet.name), 'Image: {}'.format(
droplet.image.get('slug')), 'Memory: {}'.format(droplet.size_slug),
'Disk Size: {}'.format(droplet.disk),
'IP Address: {}'.format(droplet.ip_address)))
def get_droplets(self):
"""Get active droplets"""
manager = Manager(token=self.api_token)
my_droplets = manager.get_all_droplets()
return my_droplets
def destroy(self):
"""Destroy all active droplets"""
my_droplets = self.get_droplets()
for droplet in my_droplets:
droplet.destroy()
def get_ssh_keys(self):
"""Get ssh keys stored with DigitalOcean"""
do_ssh_url = 'https://api.digitalocean.com/v2/account/keys'
headers = dict(Authorization='Bearer {}'.format(self.api_token))
response = requests.get(url=do_ssh_url, headers=headers)
ssh_keys = []
for ssh_key in response.json().get('ssh_keys'):
ssh_keys.append(ssh_key.get('id'))
return ssh_keys