mirror of https://github.com/ansible/ansible.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
545 lines
18 KiB
Python
545 lines
18 KiB
Python
#!/usr/bin/env python
|
|
|
|
# A tool to check the order of precedence for ansible variables
|
|
# https://github.com/ansible/ansible/blob/devel/test/integration/test_var_precedence.yml
|
|
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import json
|
|
import os
|
|
import sys
|
|
import shutil
|
|
import stat
|
|
import subprocess
|
|
import tempfile
|
|
import yaml
|
|
from pprint import pprint
|
|
from optparse import OptionParser
|
|
from jinja2 import Environment
|
|
|
|
ENV = Environment()
|
|
TESTDIR = tempfile.mkdtemp()
|
|
|
|
|
|
def run_command(args, cwd=None):
|
|
p = subprocess.Popen(
|
|
args,
|
|
stderr=subprocess.PIPE,
|
|
stdout=subprocess.PIPE,
|
|
shell=True,
|
|
cwd=cwd,
|
|
)
|
|
(so, se) = p.communicate()
|
|
return (p.returncode, so, se)
|
|
|
|
|
|
def clean_test_dir():
|
|
if os.path.isdir(TESTDIR):
|
|
shutil.rmtree(TESTDIR)
|
|
os.makedirs(TESTDIR)
|
|
|
|
|
|
class Role(object):
|
|
def __init__(self, name):
|
|
self.name = name
|
|
self.load = True
|
|
self.dependencies = []
|
|
self.defaults = False
|
|
self.vars = False
|
|
self.tasks = []
|
|
self.params = dict()
|
|
|
|
def write_role(self):
|
|
|
|
fpath = os.path.join(TESTDIR, 'roles', self.name)
|
|
if not os.path.isdir(fpath):
|
|
os.makedirs(fpath)
|
|
|
|
if self.defaults:
|
|
# roles/x/defaults/main.yml
|
|
fpath = os.path.join(TESTDIR, 'roles', self.name, 'defaults')
|
|
if not os.path.isdir(fpath):
|
|
os.makedirs(fpath)
|
|
fname = os.path.join(fpath, 'main.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: %s\n' % self.name)
|
|
|
|
if self.vars:
|
|
# roles/x/vars/main.yml
|
|
fpath = os.path.join(TESTDIR, 'roles', self.name, 'vars')
|
|
if not os.path.isdir(fpath):
|
|
os.makedirs(fpath)
|
|
fname = os.path.join(fpath, 'main.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: %s\n' % self.name)
|
|
|
|
if self.dependencies:
|
|
fpath = os.path.join(TESTDIR, 'roles', self.name, 'meta')
|
|
if not os.path.isdir(fpath):
|
|
os.makedirs(fpath)
|
|
fname = os.path.join(fpath, 'main.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write('dependencies:\n')
|
|
for dep in self.dependencies:
|
|
f.write('- { role: %s }\n' % dep)
|
|
|
|
|
|
class DynamicInventory(object):
|
|
BASESCRIPT = '''#!/usr/bin/python
|
|
import json
|
|
data = """{{ data }}"""
|
|
data = json.loads(data)
|
|
print(json.dumps(data, indent=2, sort_keys=True))
|
|
'''
|
|
|
|
BASEINV = {
|
|
'_meta': {
|
|
'hostvars': {
|
|
'testhost': {}
|
|
}
|
|
}
|
|
}
|
|
|
|
def __init__(self, features):
|
|
self.ENV = Environment()
|
|
self.features = features
|
|
self.fpath = None
|
|
self.inventory = self.BASEINV.copy()
|
|
self.build()
|
|
|
|
def build(self):
|
|
xhost = 'testhost'
|
|
if 'script_host' in self.features:
|
|
self.inventory['_meta']['hostvars'][xhost]['findme'] = 'script_host'
|
|
else:
|
|
self.inventory['_meta']['hostvars'][xhost] = {}
|
|
|
|
if 'script_child' in self.features:
|
|
self.inventory['child'] = {
|
|
'hosts': [xhost],
|
|
'vars': {'findme': 'script_child'}
|
|
}
|
|
|
|
if 'script_parent' in self.features:
|
|
|
|
self.inventory['parent'] = {
|
|
'vars': {'findme': 'script_parent'}
|
|
}
|
|
|
|
if 'script_child' in self.features:
|
|
self.inventory['parent']['children'] = ['child']
|
|
else:
|
|
self.inventory['parent']['hosts'] = [xhost]
|
|
|
|
if 'script_all' in self.features:
|
|
self.inventory['all'] = {
|
|
'hosts': [xhost],
|
|
'vars': {
|
|
'findme': 'script_all'
|
|
},
|
|
}
|
|
else:
|
|
self.inventory['all'] = {
|
|
'hosts': [xhost],
|
|
}
|
|
|
|
def write_script(self):
|
|
fdir = os.path.join(TESTDIR, 'inventory')
|
|
if not os.path.isdir(fdir):
|
|
os.makedirs(fdir)
|
|
fpath = os.path.join(fdir, 'hosts')
|
|
# fpath = os.path.join(TESTDIR, 'inventory')
|
|
self.fpath = fpath
|
|
|
|
data = json.dumps(self.inventory)
|
|
t = self.ENV.from_string(self.BASESCRIPT)
|
|
fdata = t.render(data=data)
|
|
with open(fpath, 'w') as f:
|
|
f.write(fdata + '\n')
|
|
st = os.stat(fpath)
|
|
os.chmod(fpath, st.st_mode | stat.S_IEXEC)
|
|
|
|
|
|
class VarTestMaker(object):
|
|
def __init__(self, features, dynamic_inventory=False):
|
|
clean_test_dir()
|
|
self.dynamic_inventory = dynamic_inventory
|
|
self.di = None
|
|
self.features = features[:]
|
|
self.inventory = ''
|
|
self.playvars = dict()
|
|
self.varsfiles = []
|
|
self.playbook = dict(hosts='testhost', gather_facts=False)
|
|
self.tasks = []
|
|
self.roles = []
|
|
self.ansible_command = None
|
|
self.stdout = None
|
|
|
|
def write_playbook(self):
|
|
fname = os.path.join(TESTDIR, 'site.yml')
|
|
pb_copy = self.playbook.copy()
|
|
|
|
if self.playvars:
|
|
pb_copy['vars'] = self.playvars
|
|
if self.varsfiles:
|
|
pb_copy['vars_files'] = self.varsfiles
|
|
if self.roles:
|
|
pb_copy['roles'] = []
|
|
for role in self.roles:
|
|
role.write_role()
|
|
role_def = dict(role=role.name)
|
|
role_def.update(role.params)
|
|
pb_copy['roles'].append(role_def)
|
|
if self.tasks:
|
|
pb_copy['tasks'] = self.tasks
|
|
|
|
with open(fname, 'w') as f:
|
|
pb_yaml = yaml.dump([pb_copy], f, default_flow_style=False, indent=2)
|
|
|
|
def build(self):
|
|
|
|
if self.dynamic_inventory:
|
|
# python based inventory file
|
|
self.di = DynamicInventory(self.features)
|
|
self.di.write_script()
|
|
else:
|
|
# ini based inventory file
|
|
if 'ini_host' in self.features:
|
|
self.inventory += 'testhost findme=ini_host\n'
|
|
else:
|
|
self.inventory += 'testhost\n'
|
|
self.inventory += '\n'
|
|
|
|
if 'ini_child' in self.features:
|
|
self.inventory += '[child]\n'
|
|
self.inventory += 'testhost\n'
|
|
self.inventory += '\n'
|
|
self.inventory += '[child:vars]\n'
|
|
self.inventory += 'findme=ini_child\n'
|
|
self.inventory += '\n'
|
|
|
|
if 'ini_parent' in self.features:
|
|
if 'ini_child' in self.features:
|
|
self.inventory += '[parent:children]\n'
|
|
self.inventory += 'child\n'
|
|
else:
|
|
self.inventory += '[parent]\n'
|
|
self.inventory += 'testhost\n'
|
|
self.inventory += '\n'
|
|
self.inventory += '[parent:vars]\n'
|
|
self.inventory += 'findme=ini_parent\n'
|
|
self.inventory += '\n'
|
|
|
|
if 'ini_all' in self.features:
|
|
self.inventory += '[all:vars]\n'
|
|
self.inventory += 'findme=ini_all\n'
|
|
self.inventory += '\n'
|
|
|
|
# default to a single file called inventory
|
|
invfile = os.path.join(TESTDIR, 'inventory', 'hosts')
|
|
ipath = os.path.join(TESTDIR, 'inventory')
|
|
if not os.path.isdir(ipath):
|
|
os.makedirs(ipath)
|
|
|
|
with open(invfile, 'w') as f:
|
|
f.write(self.inventory)
|
|
|
|
hpath = os.path.join(TESTDIR, 'inventory', 'host_vars')
|
|
if not os.path.isdir(hpath):
|
|
os.makedirs(hpath)
|
|
gpath = os.path.join(TESTDIR, 'inventory', 'group_vars')
|
|
if not os.path.isdir(gpath):
|
|
os.makedirs(gpath)
|
|
|
|
if 'ini_host_vars_file' in self.features:
|
|
hfile = os.path.join(hpath, 'testhost')
|
|
with open(hfile, 'w') as f:
|
|
f.write('findme: ini_host_vars_file\n')
|
|
|
|
if 'ini_group_vars_file_all' in self.features:
|
|
hfile = os.path.join(gpath, 'all')
|
|
with open(hfile, 'w') as f:
|
|
f.write('findme: ini_group_vars_file_all\n')
|
|
|
|
if 'ini_group_vars_file_child' in self.features:
|
|
hfile = os.path.join(gpath, 'child')
|
|
with open(hfile, 'w') as f:
|
|
f.write('findme: ini_group_vars_file_child\n')
|
|
|
|
if 'ini_group_vars_file_parent' in self.features:
|
|
hfile = os.path.join(gpath, 'parent')
|
|
with open(hfile, 'w') as f:
|
|
f.write('findme: ini_group_vars_file_parent\n')
|
|
|
|
if 'pb_host_vars_file' in self.features:
|
|
os.makedirs(os.path.join(TESTDIR, 'host_vars'))
|
|
fname = os.path.join(TESTDIR, 'host_vars', 'testhost')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: pb_host_vars_file\n')
|
|
|
|
if 'pb_group_vars_file_parent' in self.features:
|
|
if not os.path.isdir(os.path.join(TESTDIR, 'group_vars')):
|
|
os.makedirs(os.path.join(TESTDIR, 'group_vars'))
|
|
fname = os.path.join(TESTDIR, 'group_vars', 'parent')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: pb_group_vars_file_parent\n')
|
|
|
|
if 'pb_group_vars_file_child' in self.features:
|
|
if not os.path.isdir(os.path.join(TESTDIR, 'group_vars')):
|
|
os.makedirs(os.path.join(TESTDIR, 'group_vars'))
|
|
fname = os.path.join(TESTDIR, 'group_vars', 'child')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: pb_group_vars_file_child\n')
|
|
|
|
if 'pb_group_vars_file_all' in self.features:
|
|
if not os.path.isdir(os.path.join(TESTDIR, 'group_vars')):
|
|
os.makedirs(os.path.join(TESTDIR, 'group_vars'))
|
|
fname = os.path.join(TESTDIR, 'group_vars', 'all')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: pb_group_vars_file_all\n')
|
|
|
|
if 'play_var' in self.features:
|
|
self.playvars['findme'] = 'play_var'
|
|
|
|
if 'set_fact' in self.features:
|
|
self.tasks.append(dict(set_fact='findme="set_fact"'))
|
|
|
|
if 'vars_file' in self.features:
|
|
self.varsfiles.append('varsfile.yml')
|
|
fname = os.path.join(TESTDIR, 'varsfile.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: vars_file\n')
|
|
|
|
if 'include_vars' in self.features:
|
|
self.tasks.append(dict(include_vars='included_vars.yml'))
|
|
fname = os.path.join(TESTDIR, 'included_vars.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write('findme: include_vars\n')
|
|
|
|
if 'role_var' in self.features:
|
|
role = Role('role_var')
|
|
role.vars = True
|
|
role.load = True
|
|
self.roles.append(role)
|
|
|
|
if 'role_parent_default' in self.features:
|
|
role = Role('role_default')
|
|
role.load = False
|
|
role.defaults = True
|
|
self.roles.append(role)
|
|
|
|
role = Role('role_parent_default')
|
|
role.dependencies.append('role_default')
|
|
role.defaults = True
|
|
role.load = True
|
|
if 'role_params' in self.features:
|
|
role.params = dict(findme='role_params')
|
|
self.roles.append(role)
|
|
|
|
elif 'role_default' in self.features:
|
|
role = Role('role_default')
|
|
role.defaults = True
|
|
role.load = True
|
|
if 'role_params' in self.features:
|
|
role.params = dict(findme='role_params')
|
|
self.roles.append(role)
|
|
|
|
debug_task = dict(debug='var=findme')
|
|
test_task = {'assert': dict(that=['findme == "%s"' % self.features[0]])}
|
|
if 'task_vars' in self.features:
|
|
test_task['vars'] = dict(findme="task_vars")
|
|
if 'registered_vars' in self.features:
|
|
test_task['register'] = 'findme'
|
|
|
|
if 'block_vars' in self.features:
|
|
block_wrapper = [
|
|
debug_task,
|
|
{
|
|
'block': [test_task],
|
|
'vars': dict(findme="block_vars"),
|
|
}
|
|
]
|
|
else:
|
|
block_wrapper = [debug_task, test_task]
|
|
|
|
if 'include_params' in self.features:
|
|
self.tasks.append(dict(name='including tasks', include='included_tasks.yml', vars=dict(findme='include_params')))
|
|
else:
|
|
self.tasks.append(dict(include='included_tasks.yml'))
|
|
|
|
fname = os.path.join(TESTDIR, 'included_tasks.yml')
|
|
with open(fname, 'w') as f:
|
|
f.write(yaml.dump(block_wrapper))
|
|
|
|
self.write_playbook()
|
|
|
|
def run(self):
|
|
'''
|
|
if self.dynamic_inventory:
|
|
cmd = 'ansible-playbook -c local -i inventory/hosts site.yml'
|
|
else:
|
|
cmd = 'ansible-playbook -c local -i inventory site.yml'
|
|
'''
|
|
cmd = 'ansible-playbook -c local -i inventory site.yml'
|
|
if 'extra_vars' in self.features:
|
|
cmd += ' --extra-vars="findme=extra_vars"'
|
|
cmd = cmd + ' -vvvvv'
|
|
self.ansible_command = cmd
|
|
(rc, so, se) = run_command(cmd, cwd=TESTDIR)
|
|
self.stdout = so
|
|
|
|
if rc != 0:
|
|
raise Exception("playbook failed (rc=%s), stdout: '%s' stderr: '%s'" % (rc, so, se))
|
|
|
|
def show_tree(self):
|
|
print('## TREE')
|
|
cmd = 'tree %s' % TESTDIR
|
|
(rc, so, se) = run_command(cmd)
|
|
lines = so.split('\n')
|
|
lines = lines[:-3]
|
|
print('\n'.join(lines))
|
|
|
|
def show_content(self):
|
|
print('## CONTENT')
|
|
cmd = 'find %s -type f | xargs tail -n +1' % TESTDIR
|
|
(rc, so, se) = run_command(cmd)
|
|
print(so)
|
|
|
|
def show_stdout(self):
|
|
print('## COMMAND')
|
|
print(self.ansible_command)
|
|
print('## STDOUT')
|
|
print(self.stdout)
|
|
|
|
|
|
def main():
|
|
features = [
|
|
'extra_vars',
|
|
'include_params',
|
|
# 'role_params', # FIXME: we don't yet validate tasks within a role
|
|
'set_fact',
|
|
# 'registered_vars', # FIXME: hard to simulate
|
|
'include_vars',
|
|
# 'role_dep_params',
|
|
'task_vars',
|
|
'block_vars',
|
|
'role_var',
|
|
'vars_file',
|
|
'play_var',
|
|
# 'host_facts', # FIXME: hard to simulate
|
|
'pb_host_vars_file',
|
|
'ini_host_vars_file',
|
|
'ini_host',
|
|
'pb_group_vars_file_child',
|
|
# 'ini_group_vars_file_child', #FIXME: this contradicts documented precedence pb group vars files should override inventory ones
|
|
'pb_group_vars_file_parent',
|
|
'ini_group_vars_file_parent',
|
|
'pb_group_vars_file_all',
|
|
'ini_group_vars_file_all',
|
|
'ini_child',
|
|
'ini_parent',
|
|
'ini_all',
|
|
'role_parent_default',
|
|
'role_default',
|
|
]
|
|
|
|
parser = OptionParser()
|
|
parser.add_option('-f', '--feature', action='append')
|
|
parser.add_option('--use_dynamic_inventory', action='store_true')
|
|
parser.add_option('--show_tree', action='store_true')
|
|
parser.add_option('--show_content', action='store_true')
|
|
parser.add_option('--show_stdout', action='store_true')
|
|
parser.add_option('--copy_testcases_to_local_dir', action='store_true')
|
|
(options, args) = parser.parse_args()
|
|
|
|
if options.feature:
|
|
for f in options.feature:
|
|
if f not in features:
|
|
print('%s is not a valid feature' % f)
|
|
sys.exit(1)
|
|
features = list(options.feature)
|
|
|
|
fdesc = {
|
|
'ini_host': 'host var inside the ini',
|
|
'script_host': 'host var inside the script _meta',
|
|
'ini_child': 'child group var inside the ini',
|
|
'script_child': 'child group var inside the script',
|
|
'ini_parent': 'parent group var inside the ini',
|
|
'script_parent': 'parent group var inside the script',
|
|
'ini_all': 'all group var inside the ini',
|
|
'script_all': 'all group var inside the script',
|
|
'ini_host_vars_file': 'var in inventory/host_vars/host',
|
|
'ini_group_vars_file_parent': 'var in inventory/group_vars/parent',
|
|
'ini_group_vars_file_child': 'var in inventory/group_vars/child',
|
|
'ini_group_vars_file_all': 'var in inventory/group_vars/all',
|
|
'pb_group_vars_file_parent': 'var in playbook/group_vars/parent',
|
|
'pb_group_vars_file_child': 'var in playbook/group_vars/child',
|
|
'pb_group_vars_file_all': 'var in playbook/group_vars/all',
|
|
'pb_host_vars_file': 'var in playbook/host_vars/host',
|
|
'play_var': 'var set in playbook header',
|
|
'role_parent_default': 'var in roles/role_parent/defaults/main.yml',
|
|
'role_default': 'var in roles/role/defaults/main.yml',
|
|
'role_var': 'var in ???',
|
|
'include_vars': 'var in included file',
|
|
'set_fact': 'var made by set_fact',
|
|
'vars_file': 'var in file added by vars_file',
|
|
'block_vars': 'vars defined on the block',
|
|
'task_vars': 'vars defined on the task',
|
|
'extra_vars': 'var passed via the cli'
|
|
}
|
|
|
|
dinv = options.use_dynamic_inventory
|
|
if dinv:
|
|
# some features are specific to ini, so swap those
|
|
for (idx, x) in enumerate(features):
|
|
if x.startswith('ini_') and 'vars_file' not in x:
|
|
features[idx] = x.replace('ini_', 'script_')
|
|
|
|
dinv = options.use_dynamic_inventory
|
|
|
|
index = 1
|
|
while features:
|
|
VTM = VarTestMaker(features, dynamic_inventory=dinv)
|
|
VTM.build()
|
|
|
|
if options.show_tree or options.show_content or options.show_stdout:
|
|
print('')
|
|
if options.show_tree:
|
|
VTM.show_tree()
|
|
if options.show_content:
|
|
VTM.show_content()
|
|
|
|
try:
|
|
print("CHECKING: %s (%s)" % (features[0], fdesc.get(features[0], '')))
|
|
res = VTM.run()
|
|
if options.show_stdout:
|
|
VTM.show_stdout()
|
|
|
|
features.pop(0)
|
|
|
|
if options.copy_testcases_to_local_dir:
|
|
topdir = 'testcases'
|
|
if index == 1 and os.path.isdir(topdir):
|
|
shutil.rmtree(topdir)
|
|
if not os.path.isdir(topdir):
|
|
os.makedirs(topdir)
|
|
thisindex = str(index)
|
|
if len(thisindex) == 1:
|
|
thisindex = '0' + thisindex
|
|
thisdir = os.path.join(topdir, '%s.%s' % (thisindex, res))
|
|
shutil.copytree(TESTDIR, thisdir)
|
|
|
|
except Exception as e:
|
|
print("ERROR !!!")
|
|
print(e)
|
|
print('feature: %s failed' % features[0])
|
|
sys.exit(1)
|
|
finally:
|
|
shutil.rmtree(TESTDIR)
|
|
index += 1
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|