async def _handle_join(self, conn: IncomingConnection,
msg: JoinMessageModel) -> None:
logger.debug(f"handle join {msg}")
assert self._state is not None
if msg.token != self._token:
logger.info(f"handle join > bad token from {conn}")
await conn.send_msg(
MessageModel(
type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(what="bad token",
code=status.HTTP_401_UNAUTHORIZED),
))
return
if not msg.address or not msg.hostname:
logger.info(f"handle join > missing address or host from {conn}")
await conn.send_msg(
MessageModel(
type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(
what="missing address or hostname",
code=status.HTTP_400_BAD_REQUEST,
),
))
return
orch = Orchestrator(self.gstate.ceph_mgr)
pubkey: str = orch.get_public_key()
cephconf_path: Path = Path("/etc/ceph/ceph.conf")
keyring_path: Path = Path("/etc/ceph/ceph.client.admin.keyring")
assert cephconf_path.exists()
assert keyring_path.exists()
cephconf: str = cephconf_path.read_text("utf-8")
keyring: str = keyring_path.read_text("utf-8")
assert len(cephconf) > 0
assert len(keyring) > 0
logger.debug(f"handle join > pubkey: {pubkey}")
welcome = WelcomeMessageModel(pubkey=pubkey,
cephconf=cephconf,
keyring=keyring)
try:
logger.debug(f"handle join > send welcome: {welcome}")
await conn.send_msg(
MessageModel(type=MessageTypeEnum.WELCOME,
data=welcome.dict()))
except Exception as e:
logger.error(f"handle join > error: {str(e)}")
return
logger.debug(f"handle join > welcome sent: {welcome}")
self._joining[conn.address] = JoiningNodeModel(address=msg.address,
hostname=msg.hostname)
async def _handle_ready_to_add(self, conn: IncomingConnection,
msg: ReadyToAddMessageModel) -> None:
logger.debug(f"handle ready to add from {conn}")
address: str = conn.address
if address not in self._joining:
logger.info(f"handle ready to add > unknown node {conn}")
await conn.send_msg(
MessageModel(
type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(
what="node not joining",
code=status.HTTP_428_PRECONDITION_REQUIRED,
),
))
return
node: JoiningNodeModel = self._joining[address]
logger.info("handle ready to add > "
f"hostname: {node.hostname}, address: {node.address}")
orch = Orchestrator(self.gstate.ceph_mgr)
if not orch.host_add(node.hostname, node.address):
logger.error("handle ready > failed adding host to orch")
# reset default crush ruleset, and adjust pools to use a multi-node
# ruleset, spreading replicas across hosts rather than osds.
mon = self.gstate.ceph_mon
if not mon.set_replicated_ruleset():
logger.error(
"handle ready to add > unable to set replicated ruleset")
await self._set_pool_default_size()
async def _handle_join(self, conn: IncomingConnection,
msg: JoinMessageModel) -> None:
logger.debug(f"handle join {msg}")
assert self._state is not None
if msg.token != self._token:
logger.info(f"handle join > bad token from {conn}")
await conn.send_msg(
MessageModel(type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(
what="bad token",
code=status.HTTP_401_UNAUTHORIZED)))
return
if not msg.address or not msg.hostname:
logger.info(f"handle join > missing address or host from {conn}")
await conn.send_msg(
MessageModel(type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(
what="missing address or hostname",
code=status.HTTP_400_BAD_REQUEST)))
return
orch = Orchestrator()
pubkey: str = orch.get_public_key()
logger.debug(f"handle join > pubkey: {pubkey}")
welcome = WelcomeMessageModel(pubkey=pubkey)
try:
logger.debug(f"handle join > send welcome: {welcome}")
await conn.send_msg(
MessageModel(type=MessageTypeEnum.WELCOME,
data=welcome.dict()))
except Exception as e:
logger.error(f"handle join > error: {str(e)}")
return
logger.debug(f"handle join > welcome sent: {welcome}")
self._joining[conn.address] = \
JoiningNodeModel(address=msg.address, hostname=msg.hostname)
async def _handle_ready_to_add(self, conn: IncomingConnection,
msg: ReadyToAddMessageModel) -> None:
logger.debug(f"handle ready to add from {conn}")
address: str = conn.address
if address not in self._joining:
logger.info(f"handle ready to add > unknown node {conn}")
await conn.send_msg(
MessageModel(type=MessageTypeEnum.ERROR,
data=ErrorMessageModel(
what="node not joining",
code=status.HTTP_428_PRECONDITION_REQUIRED)))
return
node: JoiningNodeModel = self._joining[address]
logger.info("handle ready to add > "
f"hostname: {node.hostname}, address: {node.address}")
orch = Orchestrator()
if not orch.host_add(node.hostname, node.address):
logger.error("handle ready > failed adding host to orch")
async def on_receive(self, websocket: WebSocket, data: Any) -> None:
logger.debug(f"incoming -- recv from {websocket.client}: {data}")
connmgr: ConnMgr = get_conn_mgr()
assert connmgr.is_started()
msg: MessageModel = MessageModel.parse_raw(data)
await connmgr.on_incoming_receive(self, msg)
async def receive(self) -> MessageModel:
assert self._ws
raw = await self._ws.recv()
return MessageModel.parse_raw(raw)
async def send(self, msg: MessageModel) -> None:
assert self._ws
await self._ws.send(msg.json())
async def send_msg(self, data: MessageModel) -> None:
logger.debug(f"incoming -- send to {self._ws} data {data}")
assert self._ws
await self._ws.send_text(data.json())
async def join(self, leader_address: str, token: str) -> bool:
logger.debug(f"join > with leader {leader_address}, token: {token}")
if self._init_stage == NodeInitStage.NONE:
raise NodeNotStartedError()
elif self._init_stage > NodeInitStage.PRESTART:
raise NodeCantJoinError()
assert self._state
assert self._state.hostname
assert self._state.address
if self._state.stage == NodeStageEnum.BOOTSTRAPPING:
raise NodeBootstrappingError()
elif self._state.stage == NodeStageEnum.BOOTSTRAPPED:
raise NodeHasBeenDeployedError()
elif self._state.stage == NodeStageEnum.JOINING:
raise NodeAlreadyJoiningError()
elif self._state.stage == NodeStageEnum.READY:
raise NodeHasJoinedError()
assert self._state.stage == NodeStageEnum.NONE
assert self._state.role == NodeRoleEnum.NONE
uri: str = f"ws://{leader_address}/api/nodes/ws"
conn = await self._connmgr.connect(uri)
logger.debug(f"join > conn: {conn}")
joinmsg = JoinMessageModel(uuid=self._state.uuid,
hostname=self._state.hostname,
address=self._state.address,
token=token)
msg = MessageModel(type=MessageTypeEnum.JOIN, data=joinmsg.dict())
await conn.send(msg)
self._state.stage = NodeStageEnum.JOINING
self._save_state()
reply: MessageModel = await conn.receive()
logger.debug(f"join > recv: {reply}")
if reply.type == MessageTypeEnum.ERROR:
errmsg = ErrorMessageModel.parse_obj(reply.data)
logger.error(f"join > error: {errmsg.what}")
await conn.close()
self._state.stage = NodeStageEnum.NONE
self._save_state()
return False
assert reply.type == MessageTypeEnum.WELCOME
welcome = WelcomeMessageModel.parse_obj(reply.data)
assert welcome.pubkey
authorized_keys: Path = Path("/root/.ssh/authorized_keys")
if not authorized_keys.parent.exists():
authorized_keys.parent.mkdir(0o700)
with authorized_keys.open("a") as fd:
fd.writelines([welcome.pubkey])
logger.debug(f"join > wrote pubkey to {authorized_keys}")
readymsg = ReadyToAddMessageModel()
await conn.send(
MessageModel(type=MessageTypeEnum.READY_TO_ADD, data=readymsg))
await conn.close()
self._state.stage = NodeStageEnum.READY
self._state.role = NodeRoleEnum.FOLLOWER
self._save_state()
self._token = token
self._save_token(should_exist=False)
self._node_start()
return True
async def join(
self,
leader_address: str,
token: str,
uuid: UUID,
hostname: str,
address: str,
disks: DeploymentDisksConfig,
) -> bool:
logger.debug(f"join > with leader {leader_address}, token: {token}")
assert self._state
assert hostname
assert address
if self._state.bootstrapping:
raise NodeBootstrappingError()
elif self._state.deployed:
raise NodeHasBeenDeployedError()
elif self._state.joining:
raise NodeAlreadyJoiningError()
elif self._state.ready:
raise NodeHasJoinedError()
assert self._state.nostage
uri: str = f"ws://{leader_address}/api/nodes/ws"
conn = await self._connmgr.connect(uri)
logger.debug(f"join > conn: {conn}")
joinmsg = JoinMessageModel(
uuid=uuid, hostname=hostname, address=address, token=token
)
msg = MessageModel(type=MessageTypeEnum.JOIN, data=joinmsg.dict())
await conn.send(msg)
reply: MessageModel = await conn.receive()
logger.debug(f"join > recv: {reply}")
if reply.type == MessageTypeEnum.ERROR:
errmsg = ErrorMessageModel.parse_obj(reply.data)
logger.error(f"join > error: {errmsg.what}")
await conn.close()
self._state.mark_error(
code=DeploymentErrorEnum.CANT_JOIN, msg=errmsg.what
)
return False
assert reply.type == MessageTypeEnum.WELCOME
welcome = WelcomeMessageModel.parse_obj(reply.data)
assert welcome.pubkey
assert welcome.cephconf
assert welcome.keyring
# create system disk after we are certain we are joining.
# ensure all state writes happen only after the disk has been created.
systemdisk = SystemDisk(self._gstate)
try:
await systemdisk.create(disks.system)
await systemdisk.enable()
except GravelError as e:
raise NodeCantJoinError(e.message)
self._state.mark_join()
await self._set_hostname(hostname)
authorized_keys: Path = Path("/root/.ssh/authorized_keys")
if not authorized_keys.parent.exists():
authorized_keys.parent.mkdir(0o700)
with authorized_keys.open("a") as fd:
fd.writelines([welcome.pubkey])
logger.debug(f"join > wrote pubkey to {authorized_keys}")
cephconf_path: Path = Path("/etc/ceph/ceph.conf")
keyring_path: Path = Path("/etc/ceph/ceph.client.admin.keyring")
if not cephconf_path.parent.exists():
cephconf_path.parent.mkdir(0o755)
cephconf_path.write_text(welcome.cephconf)
keyring_path.write_text(welcome.keyring)
keyring_path.chmod(0o600)
cephconf_path.chmod(0o644)
# We've got ceph.conf and the admin keyring now, kick the kvstore
# to get a connection.
await self._gstate.store.ensure_connection()
# get NTP address
ntp_addr = await self._gstate.store.get("/nodes/ntp_addr")
assert ntp_addr
await self._set_ntp_addr(ntp_addr)
readymsg = ReadyToAddMessageModel()
await conn.send(
MessageModel(type=MessageTypeEnum.READY_TO_ADD, data=readymsg)
)
await conn.close()
logger.debug("join > wait for host to be added")
orch = Orchestrator(self._gstate.ceph_mgr)
try:
await asyncio.wait_for(orch.wait_host_added(hostname), 30.0)
except TimeoutError:
logger.error("join > timeout waiting for host to be added")
raise NodeCantJoinError("host was not added to the cluster")
logger.debug("join > host added, continue")
try:
await self._assimilate_devices(hostname, disks.storage)
except DeploymentError as e:
raise NodeCantJoinError(e.message)
self._state.mark_ready()
return True
async def join(
self,
leader_address: str,
token: str,
uuid: UUID,
hostname: str,
address: str,
disks: DeploymentDisksConfig,
) -> bool:
logger.debug(f"join > with leader {leader_address}, token: {token}")
assert self._state
assert hostname
assert address
if self._state.bootstrapping:
raise NodeBootstrappingError()
elif self._state.deployed:
raise NodeHasBeenDeployedError()
elif self._state.joining:
raise NodeAlreadyJoiningError()
elif self._state.ready:
raise NodeHasJoinedError()
assert self._state.nostage
uri: str = f"ws://{leader_address}/api/nodes/ws"
conn = await self._connmgr.connect(uri)
logger.debug(f"join > conn: {conn}")
joinmsg = JoinMessageModel(uuid=uuid,
hostname=hostname,
address=address,
token=token)
msg = MessageModel(type=MessageTypeEnum.JOIN, data=joinmsg.dict())
await conn.send(msg)
reply: MessageModel = await conn.receive()
logger.debug(f"join > recv: {reply}")
if reply.type == MessageTypeEnum.ERROR:
errmsg = ErrorMessageModel.parse_obj(reply.data)
logger.error(f"join > error: {errmsg.what}")
await conn.close()
self._state.mark_error(code=DeploymentErrorEnum.CANT_JOIN,
msg=errmsg.what)
return False
assert reply.type == MessageTypeEnum.WELCOME
welcome = WelcomeMessageModel.parse_obj(reply.data)
assert welcome.pubkey
assert welcome.cephconf
assert welcome.keyring
self._state.mark_join()
await self._prepare_node(
disks.system,
hostname,
ntpaddr=None,
pubkey=welcome.pubkey,
keyring=welcome.keyring,
cephconf=welcome.cephconf,
containerconf=None,
is_join=True,
progress_cb=None,
)
readymsg = ReadyToAddMessageModel()
await conn.send(
MessageModel(type=MessageTypeEnum.READY_TO_ADD, data=readymsg))
await conn.close()
logger.debug("join > wait for host to be added")
orch = Orchestrator(self._gstate.ceph_mgr)
try:
await asyncio.wait_for(orch.wait_host_added(hostname), 30.0)
except TimeoutError:
logger.error("join > timeout waiting for host to be added")
raise NodeCantJoinError("Host was not added to the cluster.")
logger.debug("join > host added, continue")
try:
await self._assimilate_devices(hostname, disks.storage)
except DeploymentError as e:
raise NodeCantJoinError(e.message)
self._state.mark_ready()
return True
