def loadComponent(self, identity, componentType, componentId,
componentLabel, properties, workerName,
plugs, eaters, isClockMaster, virtualFeeds):
"""
Load a component into the manager configuration.
See L{flumotion.manager.admin.AdminAvatar.perspective_loadComponent}
for a definition of the argument types.
"""
self.debug('loading %s component %s on %s',
componentType, componentId, workerName)
parentName, compName = common.parseComponentId(componentId)
if isClockMaster:
raise NotImplementedError("Clock master components are not "
"yet supported")
if worker is None:
raise errors.ConfigError("Component %r needs to specify the"
" worker on which it should run"
% componentId)
state = self.state
compState = None
compConf = config.ConfigEntryComponent(compName, parentName,
componentType,
componentLabel,
properties,
plugs, workerName,
eaters, isClockMaster,
None, None, virtualFeeds)
if compConf.defs.getNeedsSynchronization():
raise NotImplementedError("Components that need "
"synchronization are not yet "
"supported")
if parentName == 'atmosphere':
parentState = state.get('atmosphere')
else:
flows = dict([(x.get('name'), x) for x in state.get('flows')])
if parentName in flows:
parentState = flows[parentName]
else:
self.info('creating flow %r', parentName)
parentState = planet.ManagerFlowState(name=parentName,
parent=state)
state.append('flows', parentState)
components = [x.get('name') for x in parentState.get('components')]
if compName in components:
self.debug('%r already has component %r', parentName, compName)
raise errors.ComponentAlreadyExistsError(compName)
compState = self._addComponent(compConf, parentState, identity)
self._startComponents([compState], identity)
return compState
def pollData(self, managerId, componentId, uiStateKey, dsName,
rrdFile):
def stateListToDict(l):
return dict([(x.get('name'), x) for x in l])
if managerId in self.multi.admins:
admin = self.multi.admins[managerId]
flowName, componentName = common.parseComponentId(componentId)
flows = stateListToDict(admin.planet.get('flows'))
if flowName not in flows:
self.warning('not polling %s%s:%s: no such flow %s',
managerId, componentId, uiStateKey,
flowName)
return
components = stateListToDict(flows[flowName].get('components'))
if componentName not in components:
self.warning('not polling %s%s:%s: no such component %s',
managerId, componentId, uiStateKey,
componentId)
return
state = components[componentName]
def gotUIState(uiState):
if not uiState.hasKey(uiStateKey):
self.warning('while polling %s%s:%s: uiState has no '
'key %s', managerId, componentId,
uiStateKey, uiStateKey)
else:
try:
value = '%d:%s' % (int(time.time()),
uiState.get(uiStateKey))
self.log("polled %s%s:%s, updating ds %s = %s",
managerId, componentId, uiStateKey,
dsName, value)
rrdtool.update(rrdFile, "-t", dsName, value)
except rrdtool.error, e:
self.warning('error updating rrd file %s for '
'%s%s:%s', rrdFile, managerId,
componentId, uiStateKey)
self.debug('error reason: %s',
log.getExceptionMessage(e))
def errback(failure):
self.warning('not polling %s%s:%s: failed to get ui '
'state')
self.debug('reason: %s', log.getFailureMessage(failure))
d = admin.componentCallRemote(state, 'getUIState')
d.addCallbacks(gotUIState, errback)
def _getAuthenticatorForFeed(self, eaterAliasOrFeedName):
# The avatarId on the keycards issued by the authenticator will
# identify us to the remote component. Attempt to use our
# fullFeedId, for debugging porpoises.
if hasattr(self.authenticator, "copy"):
tup = common.parseComponentId(self.authenticator.avatarId)
flowName, componentName = tup
fullFeedId = common.fullFeedId(flowName, componentName, eaterAliasOrFeedName)
return self.authenticator.copy(fullFeedId)
else:
return self.authenticator
def _getAuthenticatorForFeed(self, eaterAliasOrFeedName):
# The avatarId on the keycards issued by the authenticator will
# identify us to the remote component. Attempt to use our
# fullFeedId, for debugging porpoises.
if hasattr(self.authenticator, 'copy'):
tup = common.parseComponentId(self.authenticator.avatarId)
flowName, componentName = tup
fullFeedId = common.fullFeedId(flowName, componentName,
eaterAliasOrFeedName)
return self.authenticator.copy(fullFeedId)
else:
return self.authenticator
def pollData(self, managerId, componentId, uiStateKey, dsName, rrdFile):
def stateListToDict(l):
return dict([(x.get('name'), x) for x in l])
if managerId in self.multi.admins:
admin = self.multi.admins[managerId]
flowName, componentName = common.parseComponentId(componentId)
flows = stateListToDict(admin.planet.get('flows'))
if flowName not in flows:
self.warning('not polling %s%s:%s: no such flow %s', managerId,
componentId, uiStateKey, flowName)
return
components = stateListToDict(flows[flowName].get('components'))
if componentName not in components:
self.warning('not polling %s%s:%s: no such component %s',
managerId, componentId, uiStateKey, componentId)
return
state = components[componentName]
def gotUIState(uiState):
if not uiState.hasKey(uiStateKey):
self.warning(
'while polling %s%s:%s: uiState has no '
'key %s', managerId, componentId, uiStateKey,
uiStateKey)
else:
try:
value = '%d:%s' % (int(
time.time()), uiState.get(uiStateKey))
self.log("polled %s%s:%s, updating ds %s = %s",
managerId, componentId, uiStateKey, dsName,
value)
rrdtool.update(rrdFile, "-t", dsName, value)
except rrdtool.error, e:
self.warning(
'error updating rrd file %s for '
'%s%s:%s', rrdFile, managerId, componentId,
uiStateKey)
self.debug('error reason: %s',
log.getExceptionMessage(e))
def errback(failure):
self.warning('not polling %s%s:%s: failed to get ui ' 'state')
self.debug('reason: %s', log.getFailureMessage(failure))
d = admin.componentCallRemote(state, 'getUIState')
d.addCallbacks(gotUIState, errback)
def findComponent(planet, avatarId):
"""
Finds the component with the given avatarId in the given planet.
returns: the component state or None.
"""
flowName, componentName = common.parseComponentId(avatarId)
if flowName == 'atmosphere':
for c in planet.get('atmosphere').get('components'):
if c.get('name') == componentName:
return c
return None
for f in planet.get('flows'):
if f.get('name') == flowName:
for c in f.get('components'):
if c.get('name') == componentName:
return c
return None
def findComponent(planet, avatarId):
"""
Finds the component with the given avatarId in the given planet.
returns: the component state or None.
"""
flowName, componentName = common.parseComponentId(avatarId)
if flowName == 'atmosphere':
for c in planet.get('atmosphere').get('components'):
if c.get('name') == componentName:
return c
return None
for f in planet.get('flows'):
if f.get('name') == flowName:
for c in f.get('components'):
if c.get('name') == componentName:
return c
return None
