def process_all(self):
"""
Process data when no virtual server and no real server are provided.
"""
# Retrieve all data
for oid in self.oids:
w = defer.waitForDeferred(self.proxy.walk(self.oids[oid]))
yield w
w.getResult()
# For each virtual server, build it
for ov in self.cache('ltmVirtualServAddrType'):
# Grab HTTP class
try:
classes = self.cache(('ltmVsHttpClassProfileName', ".".join([str(x) for x in ov]))).values()
except KeyError:
classes = []
for httpclass in classes + [None]:
v = oid2str(ov)
vs = defer.waitForDeferred(self.process_vs(v, httpclass))
yield vs
vs = vs.getResult()
if vs is not None:
if httpclass is not None:
self.lb.virtualservers["%s;%s" % (v, httpclass)] = vs
else:
self.lb.virtualservers[v] = vs
yield self.lb
return
def process_all(self):
"""
Process data when no virtual server and no real server are provided.
"""
# Retrieve all data
for oid in self.oids:
w = defer.waitForDeferred(self.proxy.walk(self.oids[oid]))
yield w
w.getResult()
# For each virtual server, build it
for ov in self.cache('ltmVirtualServAddrType'):
# Grab HTTP class
try:
classes = self.cache(
('ltmVsHttpClassProfileName',
".".join([str(x) for x in ov]))).values()
except KeyError:
classes = []
for httpclass in classes + [None]:
v = oid2str(ov)
vs = defer.waitForDeferred(self.process_vs(v, httpclass))
yield vs
vs = vs.getResult()
if vs is not None:
if httpclass is not None:
self.lb.virtualservers["%s;%s" % (v, httpclass)] = vs
else:
self.lb.virtualservers[v] = vs
yield self.lb
return
def get_protocol(self, ov):
"""
Get protocol for a given virtual server.
@param ov: virtual server as an OID string
@return: deferred protocol
"""
if not self.is_cached(('ltmVirtualServProfileType', ov)):
# This OID is buggy. It is not possible to walk it
c = defer.waitForDeferred(self.proxy.walk(self.oids['ltmVirtualServProfileType']))
yield c
c.getResult()
for k in self.cache(('ltmVirtualServProfileType', ov)):
yield oid2str(k)
break
return
def get_protocol(self, ov):
"""
Get protocol for a given virtual server.
@param ov: virtual server as an OID string
@return: deferred protocol
"""
if not self.is_cached(('ltmVirtualServProfileType', ov)):
# This OID is buggy. It is not possible to walk it
c = defer.waitForDeferred(
self.proxy.walk(self.oids['ltmVirtualServProfileType']))
yield c
c.getResult()
for k in self.cache(('ltmVirtualServProfileType', ov)):
yield oid2str(k)
break
return
def process_all(self):
"""
Process data when no virtual server and no real server are provided.
@return: a deferred C{ILoadBalancer}
"""
# Retrieve all data
for oid in self.oids:
w = defer.waitForDeferred(self.proxy.walk(self.oids[oid]))
yield w
w.getResult()
# For each virtual server, build it
for o in self.cache('apCntIPAddress'):
owner, content = oid2str(o)
vs = defer.waitForDeferred(self.process_vs(owner, content))
yield vs
vs = vs.getResult()
if vs is not None:
self.lb.virtualservers["%s|%s" % (owner, content)] = vs
yield self.lb
return
def process_all(self):
"""
Process data when no virtual server and no real server are provided.
@return: a deferred C{ILoadBalancer}
"""
# Retrieve all data
for oid in self.oids:
w = defer.waitForDeferred(self.proxy.walk(self.oids[oid]))
yield w
w.getResult()
# For each virtual server, build it
for o in self.cache('apCntIPAddress'):
owner, content = oid2str(o)
vs = defer.waitForDeferred(self.process_vs(owner, content))
yield vs
vs = vs.getResult()
if vs is not None:
self.lb.virtualservers["%s|%s" % (owner, content)] = vs
yield self.lb
return
def process_vs(self, owner, content):
"""
Process data for a given virtual server when no real server is provided
@param owner: owner of the content
@param content: content name
@return: a deferred C{IVirtualServer} or None
"""
oowner = str2oid(owner)
ocontent = str2oid(content)
# Retrieve some data if needed
oids = []
for o in self.oids:
if o.startswith("apCnt") and not o.startswith("apCntsvc"):
oids.append((o, oowner, ocontent))
oids = tuple(oids)
c = defer.waitForDeferred(self.cache_or_get(*oids))
yield c
c.getResult()
# Let's build our virtual server
vip = "%s:%d" % tuple(self.cache(('apCntIPAddress', oowner, ocontent),
('apCntPort', oowner, ocontent)))
protocol = self.protocols[self.cache(('apCntIPProtocol', oowner, ocontent))]
mode = self.modes[self.cache(('apCntBalance', oowner, ocontent))]
vs = VirtualServer(content, vip, protocol, mode)
# Add some extra information
vs.extra["URL"] = self.cache(('apCntUrl', oowner, ocontent))
vs.extra["sticky"] = self.sticky[
self.cache(('apCntSticky', oowner, ocontent))]
vs.extra["virtual server status"] = self.status[
self.cache(('apCntEnable', oowner, ocontent))] and "up" or "down"
vs.extra["persistence"] = self.status[
self.cache(('apCntPersistence', oowner, ocontent))] and "enabled" or "disabled"
vs.extra["content type"] = self.contents[
self.cache(('apCntContentType', oowner, ocontent))]
# Find and attach real servers
if not self.is_cached(('apCntsvcSvcName', oowner, ocontent)):
services = defer.waitForDeferred(
self.proxy.walk("%s.%s.%s" % (self.oids['apCntsvcSvcName'],
oowner, ocontent)))
yield services
services.getResult()
for r in self.cache(('apCntsvcSvcName', oowner, ocontent)):
service = oid2str(r)
rs = defer.waitForDeferred(self.process_rs(owner, content, service))
yield rs
rs = rs.getResult()
if rs is not None:
vs.realservers[service] = rs
# Add backups
for backup in ["primary", "second"]:
service = self.cache(('apCnt%sSorryServer' % backup.capitalize(),
oowner, ocontent))
if not service: continue
rs = defer.waitForDeferred(self.process_rs(owner, content, service, backup))
yield rs
rs = rs.getResult()
if rs is not None:
vs.realservers[service] = rs
yield vs
return
def process_vs(self, owner, content):
"""
Process data for a given virtual server when no real server is provided
@param owner: owner of the content
@param content: content name
@return: a deferred C{IVirtualServer} or None
"""
oowner = str2oid(owner)
ocontent = str2oid(content)
# Retrieve some data if needed
oids = []
for o in self.oids:
if o.startswith("apCnt") and not o.startswith("apCntsvc"):
oids.append((o, oowner, ocontent))
oids = tuple(oids)
c = defer.waitForDeferred(self.cache_or_get(*oids))
yield c
c.getResult()
# Let's build our virtual server
vip = "%s:%d" % tuple(
self.cache(('apCntIPAddress', oowner, ocontent),
('apCntPort', oowner, ocontent)))
protocol = self.protocols[self.cache(
('apCntIPProtocol', oowner, ocontent))]
mode = self.modes[self.cache(('apCntBalance', oowner, ocontent))]
vs = VirtualServer(content, vip, protocol, mode)
# Add some extra information
vs.extra["URL"] = self.cache(('apCntUrl', oowner, ocontent))
vs.extra["sticky"] = self.sticky[self.cache(
('apCntSticky', oowner, ocontent))]
vs.extra["virtual server status"] = self.status[self.cache(
('apCntEnable', oowner, ocontent))] and "up" or "down"
vs.extra["persistence"] = self.status[self.cache(
('apCntPersistence', oowner,
ocontent))] and "enabled" or "disabled"
vs.extra["content type"] = self.contents[self.cache(
('apCntContentType', oowner, ocontent))]
# Find and attach real servers
if not self.is_cached(('apCntsvcSvcName', oowner, ocontent)):
services = defer.waitForDeferred(
self.proxy.walk(
"%s.%s.%s" %
(self.oids['apCntsvcSvcName'], oowner, ocontent)))
yield services
services.getResult()
for r in self.cache(('apCntsvcSvcName', oowner, ocontent)):
service = oid2str(r)
rs = defer.waitForDeferred(self.process_rs(owner, content,
service))
yield rs
rs = rs.getResult()
if rs is not None:
vs.realservers[service] = rs
# Add backups
for backup in ["primary", "second"]:
service = self.cache(
('apCnt%sSorryServer' % backup.capitalize(), oowner, ocontent))
if not service: continue
rs = defer.waitForDeferred(
self.process_rs(owner, content, service, backup))
yield rs
rs = rs.getResult()
if rs is not None:
vs.realservers[service] = rs
yield vs
return
