def terminateRemoteCluster(request):
persistManager = request.state.persistManager
cluster = yield persistManager.loadCluster(request.body['cluster_name'],
request.body['user_name'])
authToken = auth_token.generateToken(
cluster.config('cluster.cluster_public_key'))
credClient = cred_client.CredentialClient(cluster.credName, request.mq,
request.state.conf)
try:
if cluster.master:
wwwTerminateCluster = clusters_client_www.terminateCluster
remoteTaskName = yield wwwTerminateCluster(
cluster.master['public_dns'], 'local', None, authToken)
localTask = yield tasks_tx.loadTask(request.body['task_name'])
yield tasks_tx.blockOnTaskAndForward('localhost',
request.body['cluster_name'],
remoteTaskName, localTask)
except errors.RemoteError, err:
# If the error is not an auth token one then kill it
# otherwise it means we think we own a cluster that
# we don't
#
# In this case another part of the system is in charge
# of forgetting about the clusters we shouldn't know
if err.name != 'igs.utils.auth_token.AuthTokenError':
log.err(err)
yield terminateCluster(credClient, persistManager,
request.body['cluster_name'],
request.body['user_name'])
else:
raise
def terminateRemoteCluster(request):
persistManager = request.state.persistManager
cluster = yield persistManager.loadCluster(request.body["cluster_name"], request.body["user_name"])
authToken = auth_token.generateToken(cluster.config("cluster.cluster_public_key"))
credClient = cred_client.CredentialClient(cluster.credName, request.mq, request.state.conf)
try:
if cluster.master:
wwwTerminateCluster = clusters_client_www.terminateCluster
remoteTaskName = yield wwwTerminateCluster(cluster.master["public_dns"], "local", None, authToken)
localTask = yield tasks_tx.loadTask(request.body["task_name"])
yield tasks_tx.blockOnTaskAndForward("localhost", request.body["cluster_name"], remoteTaskName, localTask)
except errors.RemoteError, err:
# If the error is not an auth token one then kill it
# otherwise it means we think we own a cluster that
# we don't
#
# In this case another part of the system is in charge
# of forgetting about the clusters we shouldn't know
if err.name != "igs.utils.auth_token.AuthTokenError":
log.err(err)
yield terminateCluster(credClient, persistManager, request.body["cluster_name"], request.body["user_name"])
else:
raise
def _parseInstances(importedClusters):
"""Parses out all instances associated with this cluster."""
instances = []
for cluster in importedClusters:
master = cluster.get('master')
if master and master.get('state') == 'running':
config = json.loads(cluster.get('config'))
srcCluster = config.get('general.src_cluster')
clusterKey = config.get('cluster.cluster_public_key')
authToken = auth_token.generateToken(clusterKey)
remoteClusters = yield clusters_www.listClusters(master.get('public_dns'),
{'cluster_name': srcCluster},
cluster.get('user_name'),
authToken)
remoteCluster = _formatLocalHostname(remoteClusters[0])
instances.extend([instanceFromDict(x) for x
in [remoteCluster.get('master'), remoteCluster.get('exec_nodes')]
if x and x.get('state') == 'running'])
defer.returnValue(instances)
def loadRemoteCluster(state, cl):
"""
Tries to load a cluster. Returns the cluster on success
otherwise throws an error.
If the cluster is not actually owned by us throws
auth_token.AuthTokenError
If it's unresponsive throws
errors.RemoteError
We also check for SSH being up and throw a RemoteError
if it is not responsive
"""
if cl.master:
authToken = auth_token.generateToken(
cl.config('cluster.cluster_public_key'))
try:
clusters = yield clusters_www_client.listClusters(
cl.master['public_dns'], {'cluster_name': 'local'},
None,
authToken,
timeout=10,
tries=3)
cluster = clusters[0]
yield ssh.runProcessSSH(cl.master['public_dns'],
'echo hello',
stdoutf=None,
stderrf=None,
sshUser=state.machineConf('ssh.user'),
sshFlags=state.machineConf('ssh.options'))
defer.returnValue(cluster)
except errors.RemoteError, err:
if err.name == 'igs.utils.auth_token.AuthTokenError':
raise auth_token.AuthTokenError()
else:
raise
except commands.ProgramRunError:
raise errors.RemoteError('SSH failed')
def loadRemoteCluster(state, cl):
"""
Tries to load a cluster. Returns the cluster on success
otherwise throws an error.
If the cluster is not actually owned by us throws
auth_token.AuthTokenError
If it's unresponsive throws
errors.RemoteError
We also check for SSH being up and throw a RemoteError
if it is not responsive
"""
if cl.master:
authToken = auth_token.generateToken(cl.config('cluster.cluster_public_key'))
try:
clusters = yield clusters_www_client.listClusters(cl.master['public_dns'],
{'cluster_name': 'local'},
None,
authToken,
timeout=10,
tries=3)
cluster = clusters[0]
yield ssh.runProcessSSH(cl.master['public_dns'],
'echo hello',
stdoutf=None,
stderrf=None,
sshUser=state.machineConf('ssh.user'),
sshFlags=state.machineConf('ssh.options'))
defer.returnValue(cluster)
except errors.RemoteError, err:
if err.name == 'igs.utils.auth_token.AuthTokenError':
raise auth_token.AuthTokenError()
else:
raise
except commands.ProgramRunError:
raise errors.RemoteError('SSH failed')
def updateClusterInfo(state):
try:
clusters = yield state.persistManager.loadClustersByAdmin({})
updateUnresponsiveClusters(state.unresponsiveClusters,
clusters)
# Kinda sloppy to have to create this dictionary each time
clustersMap = dict([((cluster.clusterName, cluster.userName), cluster)
for cluster in clusters])
for (clusterName, userName), duration in state.unresponsiveClusters.iteritems():
if duration > CLUSTER_TIMEOUT:
cluster = clustersMap.get((clusterName, userName))
log.msg('CLEANUP: Terminating cluster - ' + clusterName)
authToken = auth_token.generateToken(cluster.config('cluster.cluster_public_key'))
yield clusters_client.terminateCluster(clusterName, userName, authToken)
except Exception, err:
log.err('CLEANUP: Failed')
log.err(err)
#!/usr/bin/env python
##
# Generates an authorization token for cluster communication given a file
import sys
from igs.utils import auth_token
key_file = sys.argv[1]
if not key_file:
raise Exception('Must supply key file')
print auth_token.generateToken(key_file)
def importCluster(state, credClient, taskName, remoteHost, srcCluster,
cluster):
"""Handles retrieving metadata from the remote host and running through
a battery of tests to ensure that the VM being imported is in a running
state and reachable.
"""
@defer.inlineCallbacks
def _saveCluster(instances):
instances = yield credClient.updateInstances(instances)
cl = yield state.persistManager.loadCluster(cluster.clusterName,
cluster.userName)
cl = cl.setMaster(instances[0])
yield state.persistManager.saveCluster(cl)
defer.returnValue(func.Record(succeeded=instances, failed=[]))
authToken = auth_token.generateToken(
cluster.config('cluster.cluster_public_key'))
remoteClusters = yield clusters_client_www.listClusters(
remoteHost, {'cluster_name': srcCluster}, cluster.userName, authToken)
remoteCluster = remoteClusters[0]
if remoteCluster.get('state') in ['terminated', 'failed']:
raise Error('Imported cluster in TERMINATED or FAILED state')
# If we are importing a local cluster the public and private DNS will
# not be valid hostnames that we can query. Need to set them to the
# remote host provided in the import-clusters call
if 'clovr-' in remoteCluster['master']['public_dns']:
remoteCluster['master']['public_dns'] = remoteHost
remoteCluster['master']['private_dns'] = remoteHost
# Sorta hacky but we need to check whether or not a master node is
# associated with the cluster being imported before proceeding
_instances = yield waitForInstances([remoteCluster], [
updateTask(taskName, 'Waiting for populated master node'),
waitForPopulatedMasterNode(srcCluster, authToken, WAIT_FOR_STATE_TRIES)
])
if not _instances.succeeded:
raise Error('Could not retrieve master node from imported cluster.')
baseConf = config.configFromMap(cluster.config.conf)
remoteClusterConf = config.configFromMap(
{'general.src_cluster': srcCluster}, base=baseConf)
cl = cluster.update(config=remoteClusterConf)
cl = cl.setMaster(remoteCluster.get('master'))
yield state.persistManager.saveCluster(cl)
log.msg('DEBUG importCluster: About to run tests on master node')
_instances = yield waitForInstances([remoteCluster.get('master')], [
updateTask(taskName, 'Waiting for master'),
waitForState(credClient, 'running', WAIT_FOR_STATE_TRIES),
_saveCluster,
waitForSSH(cluster.config('ssh.user'), cluster.config('ssh.options'),
WAIT_FOR_SSH_TRIES), _saveCluster,
updateTask(taskName, 'SSH up'),
updateTask(taskName, 'Master in running state')
])
if not _instances.succeeded:
raise Error('Failed to import cluster')
# TODO: Maybe implement another set of checks here on our exec nodes.
if remoteCluster.get('exec_nodes'):
cl = cl.addExecNodes(remoteCluster.get('exec_nodes'))
yield state.persistManager.saveCluster(cl)
cl = yield state.persistManager.loadCluster(cl.clusterName, cl.userName)
cl = cl.setState(cl.RUNNING)
yield state.persistManager.saveCluster(cl)
defer.returnValue(cl)
def importCluster(state, credClient, taskName, remoteHost, srcCluster, cluster):
"""Handles retrieving metadata from the remote host and running through
a battery of tests to ensure that the VM being imported is in a running
state and reachable.
"""
@defer.inlineCallbacks
def _saveCluster(instances):
instances = yield credClient.updateInstances(instances)
cl = yield state.persistManager.loadCluster(cluster.clusterName,
cluster.userName)
cl = cl.setMaster(instances[0])
yield state.persistManager.saveCluster(cl)
defer.returnValue(func.Record(succeeded=instances,
failed=[]))
authToken = auth_token.generateToken(cluster.config('cluster.cluster_public_key'))
remoteClusters = yield clusters_client_www.listClusters(remoteHost,
{'cluster_name': srcCluster},
cluster.userName,
authToken)
remoteCluster = remoteClusters[0]
if remoteCluster.get('state') in ['terminated', 'failed']:
raise Error('Imported cluster in TERMINATED or FAILED state')
# If we are importing a local cluster the public and private DNS will
# not be valid hostnames that we can query. Need to set them to the
# remote host provided in the import-clusters call
if 'clovr-' in remoteCluster['master']['public_dns']:
remoteCluster['master']['public_dns'] = remoteHost
remoteCluster['master']['private_dns'] = remoteHost
# Sorta hacky but we need to check whether or not a master node is
# associated with the cluster being imported before proceeding
_instances = yield waitForInstances([remoteCluster],
[updateTask(taskName,
'Waiting for populated master node'),
waitForPopulatedMasterNode(srcCluster,
authToken,
WAIT_FOR_STATE_TRIES)])
if not _instances.succeeded:
raise Error('Could not retrieve master node from imported cluster.')
baseConf = config.configFromMap(cluster.config.conf)
remoteClusterConf = config.configFromMap({'general.src_cluster': srcCluster},
base=baseConf)
cl = cluster.update(config=remoteClusterConf)
cl = cl.setMaster(remoteCluster.get('master'))
yield state.persistManager.saveCluster(cl)
log.msg('DEBUG importCluster: About to run tests on master node')
_instances = yield waitForInstances([remoteCluster.get('master')],
[updateTask(taskName,
'Waiting for master'),
waitForState(credClient,
'running',
WAIT_FOR_STATE_TRIES),
_saveCluster,
waitForSSH(cluster.config('ssh.user'),
cluster.config('ssh.options'),
WAIT_FOR_SSH_TRIES),
_saveCluster,
updateTask(taskName,
'SSH up'),
updateTask(taskName,
'Master in running state')])
if not _instances.succeeded:
raise Error('Failed to import cluster')
# TODO: Maybe implement another set of checks here on our exec nodes.
if remoteCluster.get('exec_nodes'):
cl = cl.addExecNodes(remoteCluster.get('exec_nodes'))
yield state.persistManager.saveCluster(cl)
cl = yield state.persistManager.loadCluster(cl.clusterName,
cl.userName)
cl = cl.setState(cl.RUNNING)
yield state.persistManager.saveCluster(cl)
defer.returnValue(cl)
