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#
# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
#
import re
import time
from ipatests.test_integration.base import IntegrationTest
from ipatests.test_integration import tasks
class TestTopologyOptions(IntegrationTest):
num_replicas = 2
topology = 'star'
rawsegment_re = ('Segment name: (?P<name>.*?)',
'\s+Left node: (?P<lnode>.*?)',
'\s+Right node: (?P<rnode>.*?)',
'\s+Connectivity: (?P<connectivity>\S+)')
segment_re = re.compile("\n".join(rawsegment_re))
noentries_re = re.compile("Number of entries returned (\d+)")
@classmethod
def install(cls, mh):
tasks.install_topo(cls.topology, cls.master,
cls.replicas[:-1],
cls.clients)
def tokenize_topologies(self, command_output):
"""
takes an output of `ipa topologysegment-find` and returns an array of
segment hashes
"""
segments = command_output.split("-----------------")[2]
raw_segments = segments.split('\n\n')
result = []
for i in raw_segments:
matched = self.segment_re.search(i)
if matched:
result.append({'leftnode': matched.group('lnode'),
'rightnode': matched.group('rnode'),
'name': matched.group('name'),
'connectivity': matched.group('connectivity')
}
)
return result
def test_topology_updated_on_replica_install_remove(self):
"""
Install and remove a replica and make sure topology information is
updated on all other replicas
Testcase: http://www.freeipa.org/page/V4/Manage_replication_topology/
Test_plan#Test_case:
_Replication_topology_should_be_saved_in_the_LDAP_tree
"""
tasks.kinit_admin(self.master)
result1 = self.master.run_command(['ipa', 'topologysegment-find',
'realm'])
first_segment_name = "%s-to-%s" % (self.master.hostname,
self.replicas[0].hostname)
output1 = result1.stdout_text
firstsegment = self.tokenize_topologies(output1)[0]
assert(firstsegment['name'] == first_segment_name)
assert(self.noentries_re.search(output1).group(1) == "1")
assert(firstsegment['leftnode'] == self.master.hostname)
assert(firstsegment['rightnode'] == self.replicas[0].hostname)
tasks.install_replica(self.master, self.replicas[1], setup_ca=False,
setup_dns=False)
# We need to make sure topology information is consistent across all
# replicas
result2 = self.master.run_command(['ipa', 'topologysegment-find',
'realm'])
result3 = self.replicas[0].run_command(['ipa', 'topologysegment-find',
'realm'])
result4 = self.replicas[1].run_command(['ipa', 'topologysegment-find',
'realm'])
segments = self.tokenize_topologies(result2.stdout_text)
assert(len(segments) == 2)
assert(result2.stdout_text == result3.stdout_text)
assert(result3.stdout_text == result4.stdout_text)
# Now let's check that uninstalling the replica will update the topology
# info on the rest of replicas.
tasks.uninstall_master(self.replicas[1])
tasks.clean_replication_agreement(self.master, self.replicas[1])
result5 = self.master.run_command(['ipa', 'topologysegment-find',
'realm'])
assert(self.noentries_re.search(result5.stdout_text).group(1) == "1")
def test_add_remove_segment(self):
"""
Make sure a topology segment can be manually created and deleted
with the influence on the real topology
Testcase http://www.freeipa.org/page/V4/Manage_replication_topology/
Test_plan#Test_case:_Basic_CRUD_test
"""
tasks.kinit_admin(self.master)
# Install the second replica
tasks.install_replica(self.master, self.replicas[1], setup_ca=False,
setup_dns=False)
# turn a star into a ring
segment, err = tasks.create_segment(self.master,
self.replicas[0],
self.replicas[1])
assert err == "", err
# Make sure the new segment is shown by `ipa topologysegment-find`
result1 = self.master.run_command(['ipa', 'topologysegment-find',
'realm'])
assert(result1.stdout_text.find(segment['name']) > 0)
# Remove master <-> replica2 segment and make sure that the changes get
# there through replica1
deleteme = "%s-to-%s" % (self.master.hostname,
self.replicas[1].hostname)
returncode, error = tasks.destroy_segment(self.master, deleteme)
assert returncode == 0, error
# make sure replica1 does not have segment that was deleted on master
result3 = self.replicas[0].run_command(['ipa', 'topologysegment-find',
'realm'])
assert(result3.stdout_text.find(deleteme) < 0)
# Create test data on master and make sure it gets all the way down to
# replica2 through replica1
self.master.run_command(['ipa', 'user-add', 'someuser',
'--first', 'test',
'--last', 'user'])
time.sleep(60) # replication requires some time
users_on_replica2 = self.replicas[1].run_command(['ipa',
'user-find'])
assert(users_on_replica2.find('someuser') > 0)
# We end up having a line topology: master <-> replica1 <-> replica2
def test_remove_the_only_connection(self):
"""
Testcase: http://www.freeipa.org/page/V4/Manage_replication_topology/
Test_plan#Test_case:
_Removal_of_a_topology_segment_is_allowed_only_if_there_is_at_least_one_more_segment_connecting_the_given_replica
"""
text = "Removal of Segment disconnects topology"
error1 = "The system should not have let you remove the segment"
error2 = "Wrong error message thrown during segment removal: \"%s\""
replicas = (self.replicas[0].hostname, self.replicas[1].hostname)
returncode, error = tasks.destroy_segment(self.master, "%s-to-%s" % replicas)
assert returncode != 0, error1
assert error.count(text) == 1, error2 % error
newseg, err = tasks.create_segment(self.master,
self.master,
self.replicas[1])
assert err == "", err
returncode, error = tasks.destroy_segment(self.master, "%s-to-%s" % replicas)
assert returncode == 0, error
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