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import json
import logging
import os
import shutil
import six
import tempfile
from cloudinit import cloud
from cloudinit.config import cc_chef
from cloudinit import distros
from cloudinit import helpers
from cloudinit.sources import DataSourceNone
from cloudinit import util
from .. import helpers as t_help
LOG = logging.getLogger(__name__)
CLIENT_TEMPL = os.path.sep.join(["templates", "chef_client.rb.tmpl"])
class TestChef(t_help.FilesystemMockingTestCase):
def setUp(self):
super(TestChef, self).setUp()
self.tmp = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.tmp)
def fetch_cloud(self, distro_kind):
cls = distros.fetch(distro_kind)
paths = helpers.Paths({})
distro = cls(distro_kind, {}, paths)
ds = DataSourceNone.DataSourceNone({}, distro, paths, None)
return cloud.Cloud(ds, paths, {}, distro, None)
def test_no_config(self):
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
cfg = {}
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
for d in cc_chef.CHEF_DIRS:
self.assertFalse(os.path.isdir(d))
@t_help.skipIf(not os.path.isfile(CLIENT_TEMPL),
CLIENT_TEMPL + " is not available")
def test_basic_config(self):
"""
test basic config looks sane
# This should create a file of the format...
# Created by cloud-init v. 0.7.6 on Sat, 11 Oct 2014 23:57:21 +0000
log_level :info
ssl_verify_mode :verify_none
log_location "/var/log/chef/client.log"
validation_client_name "bob"
validation_key "/etc/chef/validation.pem"
client_key "/etc/chef/client.pem"
chef_server_url "localhost"
environment "_default"
node_name "iid-datasource-none"
json_attribs "/etc/chef/firstboot.json"
file_cache_path "/var/cache/chef"
file_backup_path "/var/backups/chef"
pid_file "/var/run/chef/client.pid"
Chef::Log::Formatter.show_time = true
"""
tpl_file = util.load_file('templates/chef_client.rb.tmpl')
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
util.write_file('/etc/cloud/templates/chef_client.rb.tmpl', tpl_file)
cfg = {
'chef': {
'server_url': 'localhost',
'validation_name': 'bob',
'validation_key': "/etc/chef/vkey.pem",
'validation_cert': "this is my cert",
},
}
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
for d in cc_chef.CHEF_DIRS:
self.assertTrue(os.path.isdir(d))
c = util.load_file(cc_chef.CHEF_RB_PATH)
# the content of these keys is not expected to be rendered to tmpl
unrendered_keys = ('validation_cert',)
for k, v in cfg['chef'].items():
if k in unrendered_keys:
continue
self.assertIn(v, c)
for k, v in cc_chef.CHEF_RB_TPL_DEFAULTS.items():
if k in unrendered_keys:
continue
# the value from the cfg overrides that in the default
val = cfg['chef'].get(k, v)
if isinstance(val, six.string_types):
self.assertIn(val, c)
c = util.load_file(cc_chef.CHEF_FB_PATH)
self.assertEqual({}, json.loads(c))
def test_firstboot_json(self):
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
cfg = {
'chef': {
'server_url': 'localhost',
'validation_name': 'bob',
'run_list': ['a', 'b', 'c'],
'initial_attributes': {
'c': 'd',
}
},
}
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
c = util.load_file(cc_chef.CHEF_FB_PATH)
self.assertEqual(
{
'run_list': ['a', 'b', 'c'],
'c': 'd',
}, json.loads(c))
@t_help.skipIf(not os.path.isfile(CLIENT_TEMPL),
CLIENT_TEMPL + " is not available")
def test_template_deletes(self):
tpl_file = util.load_file('templates/chef_client.rb.tmpl')
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
util.write_file('/etc/cloud/templates/chef_client.rb.tmpl', tpl_file)
cfg = {
'chef': {
'server_url': 'localhost',
'validation_name': 'bob',
'json_attribs': None,
'show_time': None,
},
}
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
c = util.load_file(cc_chef.CHEF_RB_PATH)
self.assertNotIn('json_attribs', c)
self.assertNotIn('Formatter.show_time', c)
@t_help.skipIf(not os.path.isfile(CLIENT_TEMPL),
CLIENT_TEMPL + " is not available")
def test_validation_cert_and_validation_key(self):
# test validation_cert content is written to validation_key path
tpl_file = util.load_file('templates/chef_client.rb.tmpl')
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
util.write_file('/etc/cloud/templates/chef_client.rb.tmpl', tpl_file)
v_path = '/etc/chef/vkey.pem'
v_cert = 'this is my cert'
cfg = {
'chef': {
'server_url': 'localhost',
'validation_name': 'bob',
'validation_key': v_path,
'validation_cert': v_cert
},
}
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
content = util.load_file(cc_chef.CHEF_RB_PATH)
self.assertIn(v_path, content)
util.load_file(v_path)
self.assertEqual(v_cert, util.load_file(v_path))
def test_validation_cert_with_system(self):
# test validation_cert content is not written over system file
tpl_file = util.load_file('templates/chef_client.rb.tmpl')
self.patchUtils(self.tmp)
self.patchOS(self.tmp)
v_path = '/etc/chef/vkey.pem'
v_cert = "system"
expected_cert = "this is the system file certificate"
cfg = {
'chef': {
'server_url': 'localhost',
'validation_name': 'bob',
'validation_key': v_path,
'validation_cert': v_cert
},
}
util.write_file('/etc/cloud/templates/chef_client.rb.tmpl', tpl_file)
util.write_file(v_path, expected_cert)
cc_chef.handle('chef', cfg, self.fetch_cloud('ubuntu'), LOG, [])
content = util.load_file(cc_chef.CHEF_RB_PATH)
self.assertIn(v_path, content)
util.load_file(v_path)
self.assertEqual(expected_cert, util.load_file(v_path))
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