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import os
from typing import Dict, List, Optional, Tuple, Union
from ceph.cephadm.images import (
DEFAULT_HAPROXY_IMAGE,
DEFAULT_KEEPALIVED_IMAGE,
)
from ..constants import (
DATA_DIR_MODE,
)
from ..container_daemon_form import ContainerDaemonForm, daemon_to_container
from ..container_types import CephContainer, extract_uid_gid
from ..context import CephadmContext
from ..context_getters import fetch_configs
from ..daemon_form import register as register_daemon_form
from ..daemon_identity import DaemonIdentity
from ..data_utils import dict_get, is_fsid
from ..deployment_utils import to_deployment_container
from ..exceptions import Error
from ..file_utils import makedirs, populate_files
@register_daemon_form
class HAproxy(ContainerDaemonForm):
"""Defines an HAproxy container"""
daemon_type = 'haproxy'
required_files = ['haproxy.cfg']
default_image = DEFAULT_HAPROXY_IMAGE
@classmethod
def for_daemon_type(cls, daemon_type: str) -> bool:
return cls.daemon_type == daemon_type
def __init__(
self,
ctx: CephadmContext,
fsid: str,
daemon_id: Union[int, str],
config_json: Dict,
image: str,
) -> None:
self.ctx = ctx
self.fsid = fsid
self.daemon_id = daemon_id
self.image = image
# config-json options
self.files = dict_get(config_json, 'files', {})
self.validate()
@classmethod
def init(
cls, ctx: CephadmContext, fsid: str, daemon_id: Union[int, str]
) -> 'HAproxy':
return cls(ctx, fsid, daemon_id, fetch_configs(ctx), ctx.image)
@classmethod
def create(cls, ctx: CephadmContext, ident: DaemonIdentity) -> 'HAproxy':
return cls.init(ctx, ident.fsid, ident.daemon_id)
@property
def identity(self) -> DaemonIdentity:
return DaemonIdentity(self.fsid, self.daemon_type, self.daemon_id)
def create_daemon_dirs(self, data_dir: str, uid: int, gid: int) -> None:
"""Create files under the container data dir"""
if not os.path.isdir(data_dir):
raise OSError('data_dir is not a directory: %s' % (data_dir))
# create additional directories in data dir for HAproxy to use
if not os.path.isdir(os.path.join(data_dir, 'haproxy')):
makedirs(
os.path.join(data_dir, 'haproxy'), uid, gid, DATA_DIR_MODE
)
data_dir = os.path.join(data_dir, 'haproxy')
populate_files(data_dir, self.files, uid, gid)
def get_daemon_args(self) -> List[str]:
return ['haproxy', '-f', '/var/lib/haproxy/haproxy.cfg']
def validate(self):
# type: () -> None
if not is_fsid(self.fsid):
raise Error('not an fsid: %s' % self.fsid)
if not self.daemon_id:
raise Error('invalid daemon_id: %s' % self.daemon_id)
if not self.image:
raise Error('invalid image: %s' % self.image)
# check for the required files
if self.required_files:
for fname in self.required_files:
if fname not in self.files:
raise Error(
'required file missing from config-json: %s' % fname
)
def get_daemon_name(self):
# type: () -> str
return '%s.%s' % (self.daemon_type, self.daemon_id)
def get_container_name(self, desc=None):
# type: (Optional[str]) -> str
cname = 'ceph-%s-%s' % (self.fsid, self.get_daemon_name())
if desc:
cname = '%s-%s' % (cname, desc)
return cname
def uid_gid(self, ctx: CephadmContext) -> Tuple[int, int]:
# better directory for this?
print('UUUUU', extract_uid_gid)
return extract_uid_gid(self.ctx, file_path='/var/lib')
@staticmethod
def _get_container_mounts(data_dir: str) -> Dict[str, str]:
mounts = dict()
mounts[os.path.join(data_dir, 'haproxy')] = '/var/lib/haproxy'
return mounts
def customize_container_mounts(
self, ctx: CephadmContext, mounts: Dict[str, str]
) -> None:
data_dir = self.identity.data_dir(ctx.data_dir)
mounts.update(self._get_container_mounts(data_dir))
@staticmethod
def get_sysctl_settings() -> List[str]:
return [
'# IP forwarding and non-local bind',
'net.ipv4.ip_forward = 1',
'net.ipv4.ip_nonlocal_bind = 1',
]
def container(self, ctx: CephadmContext) -> CephContainer:
ctr = daemon_to_container(ctx, self)
return to_deployment_container(ctx, ctr)
def customize_container_args(
self, ctx: CephadmContext, args: List[str]
) -> None:
args.extend(
['--user=root']
) # haproxy 2.4 defaults to a different user
def customize_process_args(
self, ctx: CephadmContext, args: List[str]
) -> None:
args.extend(self.get_daemon_args())
@register_daemon_form
class Keepalived(ContainerDaemonForm):
"""Defines an Keepalived container"""
daemon_type = 'keepalived'
required_files = ['keepalived.conf']
default_image = DEFAULT_KEEPALIVED_IMAGE
@classmethod
def for_daemon_type(cls, daemon_type: str) -> bool:
return cls.daemon_type == daemon_type
def __init__(
self,
ctx: CephadmContext,
fsid: str,
daemon_id: Union[int, str],
config_json: Dict,
image: str,
) -> None:
self.ctx = ctx
self.fsid = fsid
self.daemon_id = daemon_id
self.image = image
# config-json options
self.files = dict_get(config_json, 'files', {})
self.validate()
@classmethod
def init(
cls, ctx: CephadmContext, fsid: str, daemon_id: Union[int, str]
) -> 'Keepalived':
return cls(ctx, fsid, daemon_id, fetch_configs(ctx), ctx.image)
@classmethod
def create(
cls, ctx: CephadmContext, ident: DaemonIdentity
) -> 'Keepalived':
return cls.init(ctx, ident.fsid, ident.daemon_id)
@property
def identity(self) -> DaemonIdentity:
return DaemonIdentity(self.fsid, self.daemon_type, self.daemon_id)
def create_daemon_dirs(self, data_dir: str, uid: int, gid: int) -> None:
"""Create files under the container data dir"""
if not os.path.isdir(data_dir):
raise OSError('data_dir is not a directory: %s' % (data_dir))
# create additional directories in data dir for keepalived to use
if not os.path.isdir(os.path.join(data_dir, 'keepalived')):
makedirs(
os.path.join(data_dir, 'keepalived'), uid, gid, DATA_DIR_MODE
)
# populate files from the config-json
populate_files(data_dir, self.files, uid, gid)
def validate(self):
# type: () -> None
if not is_fsid(self.fsid):
raise Error('not an fsid: %s' % self.fsid)
if not self.daemon_id:
raise Error('invalid daemon_id: %s' % self.daemon_id)
if not self.image:
raise Error('invalid image: %s' % self.image)
# check for the required files
if self.required_files:
for fname in self.required_files:
if fname not in self.files:
raise Error(
'required file missing from config-json: %s' % fname
)
def get_daemon_name(self):
# type: () -> str
return '%s.%s' % (self.daemon_type, self.daemon_id)
def get_container_name(self, desc=None):
# type: (Optional[str]) -> str
cname = 'ceph-%s-%s' % (self.fsid, self.get_daemon_name())
if desc:
cname = '%s-%s' % (cname, desc)
return cname
@staticmethod
def get_container_envs():
# type: () -> List[str]
envs = [
'KEEPALIVED_AUTOCONF=false',
'KEEPALIVED_CONF=/etc/keepalived/keepalived.conf',
'KEEPALIVED_CMD=/usr/sbin/keepalived -n -l -f /etc/keepalived/keepalived.conf',
'KEEPALIVED_DEBUG=false',
]
return envs
@staticmethod
def get_sysctl_settings() -> List[str]:
return [
'# IP forwarding and non-local bind',
'net.ipv4.ip_forward = 1',
'net.ipv4.ip_nonlocal_bind = 1',
]
def uid_gid(self, ctx: CephadmContext) -> Tuple[int, int]:
# better directory for this?
return extract_uid_gid(self.ctx, file_path='/var/lib')
@staticmethod
def _get_container_mounts(data_dir: str) -> Dict[str, str]:
mounts = dict()
mounts[
os.path.join(data_dir, 'keepalived.conf')
] = '/etc/keepalived/keepalived.conf'
return mounts
def customize_container_mounts(
self, ctx: CephadmContext, mounts: Dict[str, str]
) -> None:
data_dir = self.identity.data_dir(ctx.data_dir)
mounts.update(self._get_container_mounts(data_dir))
def container(self, ctx: CephadmContext) -> CephContainer:
ctr = daemon_to_container(ctx, self)
return to_deployment_container(ctx, ctr)
def customize_container_envs(
self, ctx: CephadmContext, envs: List[str]
) -> None:
envs.extend(self.get_container_envs())
def customize_container_args(
self, ctx: CephadmContext, args: List[str]
) -> None:
args.extend(['--cap-add=NET_ADMIN', '--cap-add=NET_RAW'])
|
