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import json
import ssl
import base64
from urllib.error import HTTPError, URLError
from typing import List, Any, Dict, Tuple, Optional, MutableMapping
from .cephadmservice import CephadmDaemonDeploySpec, CephService
from ceph.deployment.service_spec import ServiceSpec, PlacementSpec
from ceph.utils import http_req
from orchestrator import OrchestratorError
class NodeProxy(CephService):
TYPE = 'node-proxy'
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
daemon_id, host = daemon_spec.daemon_id, daemon_spec.host
if not self.mgr.http_server.agent:
raise OrchestratorError('Cannot deploy node-proxy before creating cephadm endpoint')
keyring = self.get_keyring_with_caps(self.get_auth_entity(daemon_id, host=host), [])
daemon_spec.keyring = keyring
self.mgr.node_proxy_cache.update_keyring(host, keyring)
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def generate_config(self, daemon_spec: CephadmDaemonDeploySpec) -> Tuple[Dict[str, Any], List[str]]:
# node-proxy is re-using the agent endpoint and therefore
# needs similar checks to see if the endpoint is ready.
self.agent_endpoint = self.mgr.http_server.agent
try:
assert self.agent_endpoint
assert self.agent_endpoint.ssl_certs.get_root_cert()
assert self.agent_endpoint.server_port
except Exception:
raise OrchestratorError(
'Cannot deploy node-proxy daemons until cephadm endpoint has finished generating certs')
listener_cert, listener_key = self.agent_endpoint.ssl_certs.generate_cert(daemon_spec.host, self.mgr.inventory.get_addr(daemon_spec.host))
cfg = {
'target_ip': self.mgr.get_mgr_ip(),
'target_port': self.agent_endpoint.server_port,
'name': f'node-proxy.{daemon_spec.host}',
'keyring': daemon_spec.keyring,
'root_cert.pem': self.agent_endpoint.ssl_certs.get_root_cert(),
'listener.crt': listener_cert,
'listener.key': listener_key,
}
config = {'node-proxy.json': json.dumps(cfg)}
return config, sorted([str(self.mgr.get_mgr_ip()), str(self.agent_endpoint.server_port),
self.agent_endpoint.ssl_certs.get_root_cert()])
def handle_hw_monitoring_setting(self) -> bool:
# function to apply or remove node-proxy service spec depending
# on whether the hw_mointoring config option is set or not.
# It should return True when it either creates or deletes a spec
# and False otherwise.
if self.mgr.hw_monitoring:
if 'node-proxy' not in self.mgr.spec_store:
spec = ServiceSpec(
service_type='node-proxy',
placement=PlacementSpec(host_pattern='*')
)
self.mgr.spec_store.save(spec)
return True
return False
else:
if 'node-proxy' in self.mgr.spec_store:
self.mgr.spec_store.rm('node-proxy')
return True
return False
def get_ssl_ctx(self) -> ssl.SSLContext:
ssl_root_crt = self.mgr.http_server.agent.ssl_certs.get_root_cert()
ssl_ctx = ssl.create_default_context()
ssl_ctx.check_hostname = True
ssl_ctx.verify_mode = ssl.CERT_REQUIRED
ssl_ctx.load_verify_locations(cadata=ssl_root_crt)
return ssl_ctx
def led(self, light_type: str, action: str, hostname: str, device: Optional[str] = None) -> Dict[str, Any]:
ssl_ctx: ssl.SSLContext = self.get_ssl_ctx()
header: MutableMapping[str, str] = {}
method: str = 'PATCH' if action in ['on', 'off'] else 'GET'
payload: Optional[Dict[str, str]] = None
addr: str = self.mgr.inventory.get_addr(hostname)
endpoint: List[str] = ['led', light_type]
_device: str = device if device else ''
if light_type == 'drive':
endpoint.append(_device)
if method == 'PATCH':
payload = dict(state=action)
header = self.generate_auth_header(hostname)
endpoint = f'/{"/".join(endpoint)}'
try:
headers, result, status = http_req(hostname=addr,
port='9456',
headers=header,
method=method,
data=json.dumps(payload),
endpoint=endpoint,
ssl_ctx=ssl_ctx)
result_json = json.loads(result)
except HTTPError as e:
self.mgr.log.error(e)
raise
except URLError as e:
raise RuntimeError(e)
return result_json
def generate_auth_header(self, hostname: str) -> Dict[str, str]:
try:
username = self.mgr.node_proxy_cache.oob[hostname]['username']
password = self.mgr.node_proxy_cache.oob[hostname]['password']
auth: bytes = f'{username}:{password}'.encode('utf-8')
auth_str: str = base64.b64encode(auth).decode('utf-8')
header = {'Authorization': f'Basic {auth_str}'}
except KeyError as e:
self.mgr.log.error(f'Check oob information is provided for {hostname}.')
raise RuntimeError(e)
return header
def shutdown(self, hostname: str, force: Optional[bool] = False) -> Dict[str, Any]:
ssl_ctx: ssl.SSLContext = self.get_ssl_ctx()
header: Dict[str, str] = self.generate_auth_header(hostname)
addr: str = self.mgr.inventory.get_addr(hostname)
endpoint = '/shutdown'
payload: Dict[str, Optional[bool]] = dict(force=force)
try:
headers, result, status = http_req(hostname=addr,
port='9456',
headers=header,
data=json.dumps(payload),
endpoint=endpoint,
ssl_ctx=ssl_ctx)
result_json = json.loads(result)
except HTTPError as e:
self.mgr.log.error(e)
raise
except URLError as e:
raise RuntimeError(e)
return result_json
def powercycle(self, hostname: str) -> Dict[str, Any]:
ssl_ctx: ssl.SSLContext = self.get_ssl_ctx()
header: Dict[str, str] = self.generate_auth_header(hostname)
addr: str = self.mgr.inventory.get_addr(hostname)
endpoint = '/powercycle'
try:
headers, result, status = http_req(hostname=addr,
port='9456',
headers=header,
data="{}",
endpoint=endpoint,
ssl_ctx=ssl_ctx)
result_json = json.loads(result)
except HTTPError as e:
self.mgr.log.error(e)
raise
except URLError as e:
raise RuntimeError(e)
return result_json
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