def deployProbe(self, type_, name):
"""
Instantiates and registers a new probe.
Raises an exception in case of any error.
"""
self.getLogger().info("Deploying probe %s, type %s..." % (name, type_))
if not ProbeImplementationManager.getProbeImplementationClasses(
).has_key(type_):
raise Exception("No factory registered for probe type %s" % type_)
if self.probes.has_key(name):
raise Exception(
"A probe with this name is already deployed on this agent")
probeImplementation = ProbeImplementationManager.getProbeImplementationClasses(
)[type_]()
probe = ProbeImplementationAdapter(self, name, type_,
probeImplementation)
# We reference the probe as deployed, though the registration may fail...
self.probes[name] = probe
# We should raise exception in case of duplicated names, ...
if self.registered:
self.registerProbe(probe)
else:
self.getLogger().info(
"Deferred probe registration: agent not registered yet.")
def createProbe(uri, type_, transient=False):
"""
Instantiates a new Test Adapter (i.e. a Probe instance) with its adapter
from type_, uri.
If the uri if of the form name@agent, we look for a remote type, prefixing the
provided type with a "remote." to look for actually implemented type.
If it does not, this is a local implementation, and we prefix the type with
"local." (uri form: probe:name)
@type uri: string
@param uri: a valid probe uri (probe:name or probe:name@agent)
@type type_: string
@param type_: the test adapter implementation type.
Should not start with "remote." or "local.", as the
prefix is automatically added based on the uri format.
@rtype: Probe
@returns: a new probe instance, unconfigured, or None if no
implementation factory was found.
"""
# Derive the actual implementation identifier from the uri + given type
u = Messages.Uri(uri)
adapter = None
if u.getUser():
# The probe is remote.
# We may look for additional stubs (interceptors) here
adapter = RemoteProbeAdapter()
# No need for a local implementation.
else:
# We're looking for a local probe only.
# Search for an implementation in local plugin space
if ProbeImplementationManager.getProbeImplementationClasses().has_key(
type_):
probeImplementation = ProbeImplementationManager.getProbeImplementationClasses(
)[type_]()
adapter = LocalProbeAdapter(probeImplementation)
if adapter:
# May raise an exception if the attachment is not feasible (Stubs and remote probes)
adapter.attachToUri(uri, type_)
adapter.setTransient(transient)
return adapter
# Otherwise, nothing to do.
else:
raise TestermanSAException(
"No registered factory for test adapter/probe type %s" % type_)
return None
def createProbe(uri, type_, transient = False):
"""
Instantiates a new Test Adapter (i.e. a Probe instance) with its adapter
from type_, uri.
If the uri if of the form name@agent, we look for a remote type, prefixing the
provided type with a "remote." to look for actually implemented type.
If it does not, this is a local implementation, and we prefix the type with
"local." (uri form: probe:name)
@type uri: string
@param uri: a valid probe uri (probe:name or probe:name@agent)
@type type_: string
@param type_: the test adapter implementation type.
Should not start with "remote." or "local.", as the
prefix is automatically added based on the uri format.
@rtype: Probe
@returns: a new probe instance, unconfigured, or None if no
implementation factory was found.
"""
# Derive the actual implementation identifier from the uri + given type
u = Messages.Uri(uri)
adapter = None
if u.getUser():
# The probe is remote.
# We may look for additional stubs (interceptors) here
adapter = RemoteProbeAdapter()
# No need for a local implementation.
else:
# We're looking for a local probe only.
# Search for an implementation in local plugin space
if ProbeImplementationManager.getProbeImplementationClasses().has_key(type_):
probeImplementation = ProbeImplementationManager.getProbeImplementationClasses()[type_]()
adapter = LocalProbeAdapter(probeImplementation)
if adapter:
# May raise an exception if the attachment is not feasible (Stubs and remote probes)
adapter.attachToUri(uri, type_)
adapter.setTransient(transient)
return adapter
# Otherwise, nothing to do.
else:
raise TestermanSAException("No registered factory for test adapter/probe type %s" % type_)
return None
def deployProbe(self, type_, name):
"""
Instantiates and registers a new probe.
Raises an exception in case of any error.
"""
self.getLogger().info("Deploying probe %s, type %s..." % (name, type_))
if not ProbeImplementationManager.getProbeImplementationClasses().has_key(type_):
raise Exception("No factory registered for probe type %s" % type_)
if self.probes.has_key(name):
raise Exception("A probe with this name is already deployed on this agent")
probeImplementation = ProbeImplementationManager.getProbeImplementationClasses()[type_]()
probe = ProbeImplementationAdapter(self, name, type_, probeImplementation)
# We reference the probe as deployed, though the registration may fail...
self.probes[name] = probe
# We should raise exception in case of duplicated names, ...
if self.registered:
self.registerProbe(probe)
else:
self.getLogger().info("Deferred probe registration: agent not registered yet.")
def registerAgent(self):
self.registered = False
req = Messages.Request(method = "REGISTER", uri = self.getUri(), protocol = "Xa", version = "1.0")
# we should add a list of supported probe types, os, etc ?
req.setHeader("Agent-Supported-Probe-Types", ','.join(ProbeImplementationManager.getProbeImplementationClasses().keys()))
response = self.request(req)
if not response:
raise Exception("Timeout")
if response.getStatusCode() != 200:
raise Exception("Unable to register: " + response.getReasonPhrase())
self.registered = True
self.getLogger().info("Agent %s registered" % self.getUri())
