def poll_packages(self, release, server_arch, timestamp=0, uuid=None):
log_debug(1, release, server_arch, timestamp, uuid)
# make sure we're dealing with strings here
release = str(release)
server_arch = rhnLib.normalize_server_arch(server_arch)
timestamp = str(timestamp)
uuid = str(uuid)
# get a list of acceptable channels
channel_list = []
channel_list = rhnChannel.applet_channels_for_uuid(uuid)
# it's possible the tie between uuid and rhnServer.id wasn't yet
# made, default to normal behavior
if not channel_list:
channel_list = rhnChannel.get_channel_for_release_arch(
release, server_arch)
channel_list = [channel_list]
# bork if no channels returned
if not channel_list:
log_debug(
8, "No channels for release = '%s', arch = '%s', uuid = '%s'" %
(release, server_arch, uuid))
return {'last_modified': 0, 'contents': []}
last_channel_changed_ts = max(
[a["last_modified"] for a in channel_list])
# make satellite content override a cache caused by hosted
last_channel_changed_ts = str(LongType(last_channel_changed_ts) + 1)
# gotta be careful about channel unsubscriptions...
client_cache_invalidated = None
# we return rhnServer.channels_changed for each row
# in the satellite case, pluck it off the first...
if "server_channels_changed" in channel_list[0]:
sc_ts = channel_list[0]["server_channels_changed"]
if sc_ts and (sc_ts >= last_channel_changed_ts):
client_cache_invalidated = 1
if (last_channel_changed_ts <=
timestamp) and (not client_cache_invalidated):
# XXX: I hate these freaking return codes that return
# different members in the dictinary depending on what
# sort of data you get
log_debug(3, "Client has current data")
return {'use_cached_copy': 1}
# we'll have to return something big - compress
rhnFlags.set("compress_response", 1)
# Mark the response as being already XMLRPC-encoded
rhnFlags.set("XMLRPC-Encoded-Response", 1)
# next, check the cache if we have something with this timestamp
label_list = [str(a["id"]) for a in channel_list]
label_list.sort()
log_debug(4, "label_list", label_list)
cache_key = "applet-poll-%s" % string.join(label_list, "-")
ret = rhnCache.get(cache_key, last_channel_changed_ts)
if ret: # we have a good entry with matching timestamp
log_debug(3, "Cache HIT for", cache_key)
return ret
# damn, need to do some real work from chip's requirements:
# The package list should be an array of hashes with the keys
# nvre, name, version, release, epoch, errata_advisory,
# errata_id, with the errata fields being empty strings if the
# package isn't from an errata.
ret = {'last_modified': last_channel_changed_ts, 'contents': []}
# we search for packages only in the allowed channels - build
# the SQL helper string and dictionary to make the foo IN (
# list ) constructs use bind variables
qlist = []
qdict = {}
for c in channel_list:
v = c["id"]
k = "channel_%s" % v
qlist.append(":%s" % k)
qdict[k] = v
qlist = string.join(qlist, ", ")
# This query is kind of big. One of these days I'm gonna start
# pulling them out and transforming them into views. We can
# also simulate this using several functions exposed out of
# rhnChannel, but there is no difference in speed because we
# need to do more than one query; besides, we cache the hell
# out of it
h = rhnSQL.prepare("""
select distinct
pn.name,
pe.version,
pe.release,
pe.epoch,
e_sq.errata_advisory,
e_sq.errata_synopsis,
e_sq.errata_id
from
rhnPackageName pn,
rhnPackageEVR pe,
rhnChannelNewestPackage cnp
left join
( select sq_e.id as errata_id,
sq_e.synopsis as errata_synopsis,
sq_e.advisory as errata_advisory,
sq_ep.package_id
from
rhnErrata sq_e,
rhnErrataPackage sq_ep,
rhnChannelErrata sq_ce
where sq_ce.errata_id = sq_ep.errata_id
and sq_ce.errata_id = sq_e.id
and sq_ce.channel_id in ( %s )
) e_sq
on cnp.package_id = e_sq.package_id
where
cnp.channel_id in ( %s )
and cnp.name_id = pn.id
and cnp.evr_id = pe.id
""" % (qlist, qlist))
h.execute(**qdict)
plist = h.fetchall_dict()
if not plist:
# We've set XMLRPC-Encoded-Response above
ret = xmlrpclib.dumps((ret, ), methodresponse=1)
return ret
contents = {}
for p in plist:
for k in list(p.keys()):
if p[k] is None:
p[k] = ""
p["nevr"] = "%s-%s-%s:%s" % (p["name"], p["version"], p["release"],
p["epoch"])
p["nvr"] = "%s-%s-%s" % (p["name"], p["version"], p["release"])
pkg_name = p["name"]
if pkg_name in contents:
stored_pkg = contents[pkg_name]
s = [
stored_pkg["name"], stored_pkg["version"],
stored_pkg["release"], stored_pkg["epoch"]
]
n = [p["name"], p["version"], p["release"], p["epoch"]]
log_debug(7, "comparing vres", s, n)
if rhn_rpm.nvre_compare(s, n) < 0:
log_debug(7, "replacing %s with %s" % (pkg_name, p))
contents[pkg_name] = p
else:
# already have a higher vre stored...
pass
else:
log_debug(7, "initial store for %s" % pkg_name)
contents[pkg_name] = p
ret["contents"] = list(contents.values())
# save it in the cache
# We've set XMLRPC-Encoded-Response above
ret = xmlrpclib.dumps((ret, ), methodresponse=1)
rhnCache.set(cache_key, ret, last_channel_changed_ts)
return ret
def poll_packages(self, release, server_arch, timestamp = 0, uuid = None):
log_debug(1, release, server_arch, timestamp, uuid)
# make sure we're dealing with strings here
release = str(release)
server_arch = rhnLib.normalize_server_arch(server_arch)
timestamp = str(timestamp)
uuid = str(uuid)
# get a list of acceptable channels
channel_list = []
channel_list = rhnChannel.applet_channels_for_uuid(uuid)
# it's possible the tie between uuid and rhnServer.id wasn't yet
# made, default to normal behavior
if not channel_list:
channel_list = rhnChannel.get_channel_for_release_arch(release,
server_arch)
channel_list = [channel_list]
# bork if no channels returned
if not channel_list:
log_debug(8, "No channels for release = '%s', arch = '%s', uuid = '%s'" % (
release, server_arch, uuid))
return { 'last_modified' : 0, 'contents' : [] }
last_channel_changed_ts = max(map(lambda a: a["last_modified"], channel_list))
# make satellite content override a cache caused by hosted
last_channel_changed_ts = str(long(last_channel_changed_ts) + 1)
# gotta be careful about channel unsubscriptions...
client_cache_invalidated = None
# we return rhnServer.channels_changed for each row
# in the satellite case, pluck it off the first...
if channel_list[0].has_key("server_channels_changed"):
sc_ts = channel_list[0]["server_channels_changed"]
if sc_ts and (sc_ts >= last_channel_changed_ts):
client_cache_invalidated = 1
if (last_channel_changed_ts <= timestamp) and (not client_cache_invalidated):
# XXX: I hate these freaking return codes that return
# different members in the dictinary depending on what
# sort of data you get
log_debug(3, "Client has current data")
return { 'use_cached_copy' : 1 }
# we'll have to return something big - compress
rhnFlags.set("compress_response", 1)
# Mark the response as being already XMLRPC-encoded
rhnFlags.set("XMLRPC-Encoded-Response", 1)
# next, check the cache if we have something with this timestamp
label_list = map(lambda a: str(a["id"]), channel_list)
label_list.sort()
log_debug(4, "label_list", label_list)
cache_key = "applet-poll-%s" % string.join(label_list, "-")
ret = rhnCache.get(cache_key, last_channel_changed_ts)
if ret: # we have a good entry with matching timestamp
log_debug(3, "Cache HIT for", cache_key)
return ret
# damn, need to do some real work from chip's requirements:
# The package list should be an array of hashes with the keys
# nvre, name, version, release, epoch, errata_advisory,
# errata_id, with the errata fields being empty strings if the
# package isn't from an errata.
ret = { 'last_modified' : last_channel_changed_ts, 'contents' : [] }
# we search for packages only in the allowed channels - build
# the SQL helper string and dictionary to make the foo IN (
# list ) constructs use bind variables
qlist = []
qdict = {}
for c in channel_list:
v = c["id"]
k = "channel_%s" % v
qlist.append(":%s" % k)
qdict[k] = v
qlist = string.join(qlist, ", ")
# This query is kind of big. One of these days I'm gonna start
# pulling them out and transforming them into views. We can
# also simulate this using several functions exposed out of
# rhnChannel, but there is no difference in speed because we
# need to do more than one query; besides, we cache the hell
# out of it
h = rhnSQL.prepare("""
select distinct
pn.name,
pe.version,
pe.release,
pe.epoch,
e_sq.errata_advisory,
e_sq.errata_synopsis,
e_sq.errata_id
from
rhnPackageName pn,
rhnPackageEVR pe,
rhnChannelNewestPackage cnp
left join
( select sq_e.id as errata_id,
sq_e.synopsis as errata_synopsis,
sq_e.advisory as errata_advisory,
sq_ep.package_id
from
rhnErrata sq_e,
rhnErrataPackage sq_ep,
rhnChannelErrata sq_ce
where sq_ce.errata_id = sq_ep.errata_id
and sq_ce.errata_id = sq_e.id
and sq_ce.channel_id in ( %s )
) e_sq
on cnp.package_id = e_sq.package_id
where
cnp.channel_id in ( %s )
and cnp.name_id = pn.id
and cnp.evr_id = pe.id
""" % (qlist, qlist))
h.execute(**qdict)
plist = h.fetchall_dict()
if not plist:
# We've set XMLRPC-Encoded-Response above
ret = xmlrpclib.dumps((ret, ), methodresponse=1)
return ret
contents = {}
for p in plist:
for k in p.keys():
if p[k] is None:
p[k] = ""
p["nevr"] = "%s-%s-%s:%s" % (
p["name"], p["version"], p["release"], p["epoch"])
p["nvr"] = "%s-%s-%s" % (p["name"], p["version"], p["release"])
pkg_name = p["name"]
if contents.has_key(pkg_name):
stored_pkg = contents[pkg_name]
s = [ stored_pkg["name"],
stored_pkg["version"],
stored_pkg["release"],
stored_pkg["epoch"] ]
n = [ p["name"],
p["version"],
p["release"],
p["epoch"] ]
log_debug(7, "comparing vres", s, n)
if rhn_rpm.nvre_compare(s, n) < 0:
log_debug(7, "replacing %s with %s" % (pkg_name, p))
contents[pkg_name] = p
else:
# already have a higher vre stored...
pass
else:
log_debug(7, "initial store for %s" % pkg_name)
contents[pkg_name] = p
ret["contents"] = contents.values()
# save it in the cache
# We've set XMLRPC-Encoded-Response above
ret = xmlrpclib.dumps((ret, ), methodresponse=1)
rhnCache.set(cache_key, ret, last_channel_changed_ts)
return ret