ansible/test/units/TestInventory.py

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import os
import unittest
from nose.tools import raises
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from ansible import errors
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from ansible.inventory import Inventory
class TestInventory(unittest.TestCase):
def setUp(self):
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self.cwd = os.getcwd()
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self.test_dir = os.path.join(self.cwd, 'inventory_test_data')
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self.inventory_file = os.path.join(self.test_dir, 'simple_hosts')
self.large_range_inventory_file = os.path.join(self.test_dir, 'large_range')
self.complex_inventory_file = os.path.join(self.test_dir, 'complex_hosts')
self.inventory_script = os.path.join(self.test_dir, 'inventory_api.py')
self.inventory_dir = os.path.join(self.test_dir, 'inventory_dir')
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os.chmod(self.inventory_script, 0755)
def tearDown(self):
os.chmod(self.inventory_script, 0644)
def compare(self, left, right, sort=True):
if sort:
left = sorted(left)
right = sorted(right)
print left
print right
assert left == right
def empty_inventory(self):
return Inventory(None)
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def simple_inventory(self):
return Inventory(self.inventory_file)
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def large_range_inventory(self):
return Inventory(self.large_range_inventory_file)
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def script_inventory(self):
return Inventory(self.inventory_script)
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def complex_inventory(self):
return Inventory(self.complex_inventory_file)
def dir_inventory(self):
return Inventory(self.inventory_dir)
all_simple_hosts=['jupiter', 'saturn', 'zeus', 'hera',
'cerberus001','cerberus002','cerberus003',
'cottus99', 'cottus100',
'poseidon', 'thor', 'odin', 'loki',
'thrudgelmir0', 'thrudgelmir1', 'thrudgelmir2',
'thrudgelmir3', 'thrudgelmir4', 'thrudgelmir5',
'Hotep-a', 'Hotep-b', 'Hotep-c',
'BastC', 'BastD', 'neptun', 'goldorak', ]
#####################################
### Empty inventory format tests
def test_empty(self):
inventory = self.empty_inventory()
hosts = inventory.list_hosts()
self.assertEqual(hosts, [])
#####################################
### Simple inventory format tests
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def test_simple(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(self.all_simple_hosts))
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def test_simple_all(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts('all')
self.assertEqual(sorted(hosts), sorted(self.all_simple_hosts))
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def test_get_hosts(self):
inventory = Inventory('127.0.0.1,192.168.1.1')
hosts = inventory.get_hosts('!10.0.0.1')
hosts_all = inventory.get_hosts('all')
self.assertEqual(sorted(hosts), sorted(hosts_all))
def test_no_src(self):
inventory = Inventory('127.0.0.1,')
self.assertEqual(inventory.src(), None)
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def test_simple_norse(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts("norse")
expected_hosts=['thor', 'odin', 'loki']
assert sorted(hosts) == sorted(expected_hosts)
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def test_simple_ungrouped(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts("ungrouped")
expected_hosts=['jupiter', 'saturn',
'thrudgelmir0', 'thrudgelmir1', 'thrudgelmir2',
'thrudgelmir3', 'thrudgelmir4', 'thrudgelmir5']
assert sorted(hosts) == sorted(expected_hosts)
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def test_simple_combined(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts("norse:greek")
expected_hosts=['zeus', 'hera', 'poseidon',
'cerberus001','cerberus002','cerberus003',
'cottus99','cottus100',
'thor', 'odin', 'loki']
assert sorted(hosts) == sorted(expected_hosts)
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def test_simple_restrict(self):
inventory = self.simple_inventory()
restricted_hosts = ['hera', 'poseidon', 'thor']
expected_hosts=['zeus', 'hera', 'poseidon',
'cerberus001','cerberus002','cerberus003',
'cottus99', 'cottus100',
'thor', 'odin', 'loki']
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inventory.restrict_to(restricted_hosts)
hosts = inventory.list_hosts("norse:greek")
assert sorted(hosts) == sorted(restricted_hosts)
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inventory.lift_restriction()
hosts = inventory.list_hosts("norse:greek")
assert sorted(hosts) == sorted(expected_hosts)
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def test_simple_string_ipv4(self):
inventory = Inventory('127.0.0.1,192.168.1.1')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['127.0.0.1','192.168.1.1']))
def test_simple_string_ipv4_port(self):
inventory = Inventory('127.0.0.1:2222,192.168.1.1')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['127.0.0.1','192.168.1.1']))
def test_simple_string_ipv4_vars(self):
inventory = Inventory('127.0.0.1:2222,192.168.1.1')
var = inventory.get_variables('127.0.0.1')
self.assertEqual(var['ansible_ssh_port'], 2222)
def test_simple_string_ipv6(self):
inventory = Inventory('FE80:EF45::12:1,192.168.1.1')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['FE80:EF45::12:1','192.168.1.1']))
def test_simple_string_ipv6_port(self):
inventory = Inventory('[FE80:EF45::12:1]:2222,192.168.1.1')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['FE80:EF45::12:1','192.168.1.1']))
def test_simple_string_ipv6_vars(self):
inventory = Inventory('[FE80:EF45::12:1]:2222,192.168.1.1')
var = inventory.get_variables('FE80:EF45::12:1')
self.assertEqual(var['ansible_ssh_port'], 2222)
def test_simple_string_fqdn(self):
inventory = Inventory('foo.example.com,bar.example.com')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['foo.example.com','bar.example.com']))
def test_simple_string_fqdn_port(self):
inventory = Inventory('foo.example.com:2222,bar.example.com')
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted(['foo.example.com','bar.example.com']))
def test_simple_string_fqdn_vars(self):
inventory = Inventory('foo.example.com:2222,bar.example.com')
var = inventory.get_variables('foo.example.com')
self.assertEqual(var['ansible_ssh_port'], 2222)
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def test_simple_vars(self):
inventory = self.simple_inventory()
vars = inventory.get_variables('thor')
assert vars == {'group_names': ['norse'],
'inventory_hostname': 'thor',
'inventory_hostname_short': 'thor'}
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def test_simple_port(self):
inventory = self.simple_inventory()
vars = inventory.get_variables('hera')
expected = { 'ansible_ssh_port': 3000,
'group_names': ['greek'],
'inventory_hostname': 'hera',
'inventory_hostname_short': 'hera' }
assert vars == expected
def test_large_range(self):
inventory = self.large_range_inventory()
hosts = inventory.list_hosts()
self.assertEqual(sorted(hosts), sorted('bob%03i' %i for i in range(0, 143)))
def test_subset(self):
inventory = self.simple_inventory()
inventory.subset('odin;thor,loki')
self.assertEqual(sorted(inventory.list_hosts()), sorted(['thor','odin','loki']))
def test_subset_range(self):
inventory = self.simple_inventory()
inventory.subset('greek[0-2];norse[0]')
self.assertEqual(sorted(inventory.list_hosts()), sorted(['zeus','hera','thor']))
def test_subet_range_empty_group(self):
inventory = self.simple_inventory()
inventory.subset('missing[0]')
self.assertEqual(sorted(inventory.list_hosts()), sorted([]))
def test_subset_filename(self):
inventory = self.simple_inventory()
inventory.subset('@' + os.path.join(self.test_dir, 'restrict_pattern'))
self.assertEqual(sorted(inventory.list_hosts()), sorted(['thor','odin']))
def test_vars_yaml_extension(self):
inventory = self.simple_inventory()
vars = inventory.get_variables('goldorak')
assert vars['YAML_FILENAME_EXTENSIONS_TEST']
@raises(errors.AnsibleError)
def testinvalid_entry(self):
Inventory('1234')
###################################################
### INI file advanced tests
def test_complex_vars(self):
inventory = self.complex_inventory()
vars = inventory.get_variables('rtp_a')
print vars
expected = dict(
a=1, b=2, c=3, d=10002, e=10003, f='10004 != 10005',
g=' g ', h=' h ', i="' i \"", j='" j',
k=[ 'k1', 'k2' ],
rga=1, rgb=2, rgc=3,
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inventory_hostname='rtp_a', inventory_hostname_short='rtp_a',
group_names=[ 'eastcoast', 'nc', 'redundantgroup', 'redundantgroup2', 'redundantgroup3', 'rtp', 'us' ]
)
print vars
print expected
assert vars == expected
def test_complex_group_names(self):
inventory = self.complex_inventory()
tests = {
'host1': [ 'role1', 'role3' ],
'host2': [ 'role1', 'role2' ],
'host3': [ 'role2', 'role3' ]
}
for host, roles in tests.iteritems():
group_names = inventory.get_variables(host)['group_names']
assert sorted(group_names) == sorted(roles)
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def test_complex_exclude(self):
inventory = self.complex_inventory()
hosts = inventory.list_hosts("nc:florida:!triangle:!orlando")
expected_hosts = ['miami', 'rtp_a', 'rtp_b', 'rtp_c']
print "HOSTS=%s" % sorted(hosts)
print "EXPECTED=%s" % sorted(expected_hosts)
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assert sorted(hosts) == sorted(expected_hosts)
def test_regex_exclude(self):
inventory = self.complex_inventory()
hosts = inventory.list_hosts("~rtp_[ac]")
expected_hosts = ['rtp_a', 'rtp_c']
print "HOSTS=%s" % sorted(hosts)
print "EXPECTED=%s" % sorted(expected_hosts)
assert sorted(hosts) == sorted(expected_hosts)
def test_regex_grouping(self):
inventory = self.simple_inventory()
hosts = inventory.list_hosts("~(cer[a-z]|berc)(erus00[13])")
expected_hosts = ['cerberus001', 'cerberus003']
print "HOSTS=%s" % sorted(hosts)
print "EXPECTED=%s" % sorted(expected_hosts)
assert sorted(hosts) == sorted(expected_hosts)
def test_complex_enumeration(self):
expected1 = ['rtp_b']
expected2 = ['rtp_a', 'rtp_b']
expected3 = ['rtp_a', 'rtp_b', 'rtp_c', 'tri_a', 'tri_b', 'tri_c']
expected4 = ['rtp_b', 'orlando' ]
expected5 = ['blade-a-1']
inventory = self.complex_inventory()
hosts = inventory.list_hosts("nc[1]")
self.compare(hosts, expected1, sort=False)
hosts = inventory.list_hosts("nc[0-2]")
self.compare(hosts, expected2, sort=False)
hosts = inventory.list_hosts("nc[0-99999]")
self.compare(hosts, expected3, sort=False)
hosts = inventory.list_hosts("nc[1-2]:florida[0-1]")
self.compare(hosts, expected4, sort=False)
hosts = inventory.list_hosts("blade-a-1")
self.compare(hosts, expected5, sort=False)
def test_complex_intersect(self):
inventory = self.complex_inventory()
hosts = inventory.list_hosts("nc:&redundantgroup:!rtp_c")
self.compare(hosts, ['rtp_a'])
hosts = inventory.list_hosts("nc:&triangle:!tri_c")
self.compare(hosts, ['tri_a', 'tri_b'])
@raises(errors.AnsibleError)
def test_invalid_range(self):
Inventory(os.path.join(self.test_dir, 'inventory','test_incorrect_range'))
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@raises(errors.AnsibleError)
def test_missing_end(self):
Inventory(os.path.join(self.test_dir, 'inventory','test_missing_end'))
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@raises(errors.AnsibleError)
def test_incorrect_format(self):
Inventory(os.path.join(self.test_dir, 'inventory','test_incorrect_format'))
@raises(errors.AnsibleError)
def test_alpha_end_before_beg(self):
Inventory(os.path.join(self.test_dir, 'inventory','test_alpha_end_before_beg'))
def test_combined_range(self):
i = Inventory(os.path.join(self.test_dir, 'inventory','test_combined_range'))
hosts = i.list_hosts('test')
expected_hosts=['host1A','host2A','host1B','host2B']
assert sorted(hosts) == sorted(expected_hosts)
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def test_leading_range(self):
i = Inventory(os.path.join(self.test_dir, 'inventory','test_leading_range'))
hosts = i.list_hosts('test')
expected_hosts=['1.host','2.host','A.host','B.host']
assert sorted(hosts) == sorted(expected_hosts)
hosts2 = i.list_hosts('test2')
expected_hosts2=['1.host','2.host','3.host']
assert sorted(hosts2) == sorted(expected_hosts2)
###################################################
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### Inventory API tests
def test_script(self):
inventory = self.script_inventory()
hosts = inventory.list_hosts()
expected_hosts=['jupiter', 'saturn', 'zeus', 'hera', 'poseidon', 'thor', 'odin', 'loki']
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print "Expected: %s"%(expected_hosts)
print "Got : %s"%(hosts)
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assert sorted(hosts) == sorted(expected_hosts)
def test_script_all(self):
inventory = self.script_inventory()
hosts = inventory.list_hosts('all')
expected_hosts=['jupiter', 'saturn', 'zeus', 'hera', 'poseidon', 'thor', 'odin', 'loki']
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assert sorted(hosts) == sorted(expected_hosts)
def test_script_norse(self):
inventory = self.script_inventory()
hosts = inventory.list_hosts("norse")
expected_hosts=['thor', 'odin', 'loki']
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assert sorted(hosts) == sorted(expected_hosts)
def test_script_combined(self):
inventory = self.script_inventory()
hosts = inventory.list_hosts("norse:greek")
expected_hosts=['zeus', 'hera', 'poseidon', 'thor', 'odin', 'loki']
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assert sorted(hosts) == sorted(expected_hosts)
def test_script_restrict(self):
inventory = self.script_inventory()
restricted_hosts = ['hera', 'poseidon', 'thor']
expected_hosts=['zeus', 'hera', 'poseidon', 'thor', 'odin', 'loki']
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inventory.restrict_to(restricted_hosts)
hosts = inventory.list_hosts("norse:greek")
assert sorted(hosts) == sorted(restricted_hosts)
inventory.lift_restriction()
hosts = inventory.list_hosts("norse:greek")
assert sorted(hosts) == sorted(expected_hosts)
def test_script_vars(self):
inventory = self.script_inventory()
vars = inventory.get_variables('thor')
print "VARS=%s" % vars
assert vars == {'hammer':True,
'group_names': ['norse'],
'inventory_hostname': 'thor',
'inventory_hostname_short': 'thor'}
def test_hosts_list(self):
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# Test the case when playbook 'hosts' var is a list.
inventory = self.script_inventory()
host_names = sorted(['thor', 'loki', 'odin']) # Not sure if sorting is in the contract or not
actual_hosts = inventory.get_hosts(host_names)
actual_host_names = [host.name for host in actual_hosts]
assert host_names == actual_host_names
def test_script_multiple_groups(self):
inventory = self.script_inventory()
vars = inventory.get_variables('zeus')
print "VARS=%s" % vars
assert vars == {'inventory_hostname': 'zeus',
'inventory_hostname_short': 'zeus',
'group_names': ['greek', 'major-god']}
def test_allows_equals_sign_in_var(self):
inventory = self.simple_inventory()
auth = inventory.get_variables('neptun')['auth']
assert auth == 'YWRtaW46YWRtaW4='
def test_dir_inventory(self):
inventory = self.dir_inventory()
host_vars = inventory.get_variables('zeus')
expected_vars = {'inventory_hostname': 'zeus',
'inventory_hostname_short': 'zeus',
'group_names': ['greek', 'major-god'],
'var_a': '3#4'}
print "HOST VARS=%s" % host_vars
print "EXPECTED VARS=%s" % expected_vars
assert host_vars == expected_vars
def test_dir_inventory_multiple_groups(self):
inventory = self.dir_inventory()
group_greek = inventory.get_hosts('greek')
actual_host_names = [host.name for host in group_greek]
print "greek : %s " % actual_host_names
assert actual_host_names == ['zeus', 'morpheus']
def test_dir_inventory_skip_extension(self):
inventory = self.dir_inventory()
assert 'skipme' not in [h.name for h in inventory.get_hosts()]
def test_dir_inventory_group_hosts(self):
inventory = self.dir_inventory()
expected_groups = {'all': ['morpheus', 'thor', 'zeus'],
'major-god': ['thor', 'zeus'],
'minor-god': ['morpheus'],
'norse': ['thor'],
'greek': ['morpheus', 'zeus'],
'ungrouped': []}
actual_groups = {}
for group in inventory.get_groups():
actual_groups[group.name] = sorted([h.name for h in group.get_hosts()])
print "INVENTORY groups[%s].hosts=%s" % (group.name, actual_groups[group.name])
print "EXPECTED groups[%s].hosts=%s" % (group.name, expected_groups[group.name])
assert actual_groups == expected_groups
def test_dir_inventory_groups_for_host(self):
inventory = self.dir_inventory()
expected_groups_for_host = {'morpheus': ['all', 'greek', 'minor-god'],
'thor': ['all', 'major-god', 'norse'],
'zeus': ['all', 'greek', 'major-god']}
actual_groups_for_host = {}
for (host, expected) in expected_groups_for_host.iteritems():
groups = inventory.groups_for_host(host)
names = sorted([g.name for g in groups])
actual_groups_for_host[host] = names
print "INVENTORY groups_for_host(%s)=%s" % (host, names)
print "EXPECTED groups_for_host(%s)=%s" % (host, expected)
assert actual_groups_for_host == expected_groups_for_host
def test_dir_inventory_groups_list(self):
inventory = self.dir_inventory()
inventory_groups = inventory.groups_list()
expected_groups = {'all': ['morpheus', 'thor', 'zeus'],
'major-god': ['thor', 'zeus'],
'minor-god': ['morpheus'],
'norse': ['thor'],
'greek': ['morpheus', 'zeus'],
'ungrouped': []}
for (name, expected_hosts) in expected_groups.iteritems():
inventory_groups[name] = sorted(inventory_groups.get(name, []))
print "INVENTORY groups_list['%s']=%s" % (name, inventory_groups[name])
print "EXPECTED groups_list['%s']=%s" % (name, expected_hosts)
assert inventory_groups == expected_groups