diff options
| -rw-r--r-- | cloudinit/handlers/__init__.py | 15 | ||||
| -rw-r--r-- | cloudinit/handlers/cloud_config.py | 89 | ||||
| -rw-r--r-- | cloudinit/mergers/__init__.py | 59 | ||||
| -rw-r--r-- | cloudinit/mergers/dict.py | 11 | ||||
| -rw-r--r-- | cloudinit/mergers/list.py | 21 | ||||
| -rw-r--r-- | cloudinit/mergers/str.py | 5 | ||||
| -rw-r--r-- | tests/unittests/test__init__.py | 27 | ||||
| -rw-r--r-- | tests/unittests/test_merging.py | 205 | ||||
| -rw-r--r-- | tests/unittests/test_userdata.py | 80 |
9 files changed, 368 insertions, 144 deletions
diff --git a/cloudinit/handlers/__init__.py b/cloudinit/handlers/__init__.py index 566b61a7..63fdb948 100644 --- a/cloudinit/handlers/__init__.py +++ b/cloudinit/handlers/__init__.py @@ -87,7 +87,7 @@ class Handler(object): raise NotImplementedError() -def run_part(mod, data, filename, payload, headers, frequency): +def run_part(mod, data, filename, payload, frequency, headers): mod_freq = mod.frequency if not (mod_freq == PER_ALWAYS or (frequency == PER_INSTANCE and mod_freq == PER_INSTANCE)): @@ -98,8 +98,8 @@ def run_part(mod, data, filename, payload, headers, frequency): mod_ver = int(mod_ver) except (TypeError, ValueError, AttributeError): mod_ver = 1 + content_type = headers['Content-Type'] try: - content_type = headers['Content-Type'] LOG.debug("Calling handler %s (%s, %s, %s) with frequency %s", mod, content_type, filename, mod_ver, frequency) if mod_ver == 3: @@ -123,17 +123,19 @@ def run_part(mod, data, filename, payload, headers, frequency): def call_begin(mod, data, frequency): + # Create a fake header set headers = { 'Content-Type': CONTENT_START, } - run_part(mod, data, None, None, headers, frequency) + run_part(mod, data, None, None, frequency, headers) def call_end(mod, data, frequency): + # Create a fake header set headers = { 'Content-Type': CONTENT_END, } - run_part(mod, data, None, None, headers, frequency) + run_part(mod, data, None, None, frequency, headers) def walker_handle_handler(pdata, _ctype, _filename, payload): @@ -191,12 +193,12 @@ def walker_callback(data, filename, payload, headers): handlers = data['handlers'] if content_type in handlers: run_part(handlers[content_type], data['data'], filename, - payload, headers, data['frequency']) + payload, data['frequency'], headers) elif payload: # Extract the first line or 24 bytes for displaying in the log start = _extract_first_or_bytes(payload, 24) details = "'%s...'" % (_escape_string(start)) - if ctype == NOT_MULTIPART_TYPE: + if content_type == NOT_MULTIPART_TYPE: LOG.warning("Unhandled non-multipart (%s) userdata: %s", content_type, details) else: @@ -224,6 +226,7 @@ def walk(msg, callback, data): filename = PART_FN_TPL % (partnum) headers = dict(part) + LOG.debug(headers) headers['Content-Type'] = ctype callback(data, filename, part.get_payload(decode=True), headers) partnum = partnum + 1 diff --git a/cloudinit/handlers/cloud_config.py b/cloudinit/handlers/cloud_config.py index 02a7ad9d..d458dee2 100644 --- a/cloudinit/handlers/cloud_config.py +++ b/cloudinit/handlers/cloud_config.py @@ -29,16 +29,19 @@ from cloudinit.settings import (PER_ALWAYS) LOG = logging.getLogger(__name__) -DEF_MERGE_TYPE = "list()+dict()+str()" +DEF_MERGE_TYPE = "list(extend)+dict()+str(append)" MERGE_HEADER = 'Merge-Type' class CloudConfigPartHandler(handlers.Handler): def __init__(self, paths, **_kwargs): handlers.Handler.__init__(self, PER_ALWAYS, version=3) - self.cloud_buf = {} + self.cloud_buf = None self.cloud_fn = paths.get_ipath("cloud_config") self.file_names = [] + self.mergers = [ + mergers.string_extract_mergers(DEF_MERGE_TYPE), + ] def list_types(self): return [ @@ -48,50 +51,64 @@ class CloudConfigPartHandler(handlers.Handler): def _write_cloud_config(self, buf): if not self.cloud_fn: return - # Write the combined & merged dictionary/yaml out - lines = [ - "#cloud-config", - '', - ] - # Write which files we merged from + # Capture which files we merged from... + file_lines = [] if self.file_names: - lines.append("# from %s files" % (len(self.file_names))) + file_lines.append("# from %s files" % (len(self.file_names))) for fn in self.file_names: - lines.append("# %s" % (fn)) - lines.append("") - lines.append(util.yaml_dumps(self.cloud_buf)) + file_lines.append("# %s" % (fn)) + file_lines.append("") + if self.cloud_buf is not None: + lines = [ + "#cloud-config", + '', + ] + lines.extend(file_lines) + lines.append(util.yaml_dumps(self.cloud_buf)) + else: + lines = [] util.write_file(self.cloud_fn, "\n".join(lines), 0600) - def _merge_header_extract(self, payload_yaml): - merge_header_yaml = '' - for k in [MERGE_HEADER, MERGE_HEADER.lower(), - MERGE_HEADER.lower().replace("-", "_")]: - if k in payload_yaml: - merge_header_yaml = str(payload_yaml[k]) + def _extract_mergers(self, payload, headers): + merge_header_headers = '' + for h in [MERGE_HEADER, 'X-%s' % (MERGE_HEADER)]: + tmp_h = headers.get(h, '') + if tmp_h: + merge_header_headers = tmp_h break - return merge_header_yaml - - def _merge_part(self, payload, headers): - merge_header_headers = headers.get(MERGE_HEADER, '') - payload_yaml = util.load_yaml(payload) - merge_how = '' # Select either the merge-type from the content # or the merge type from the headers or default to our own set - # if neither exists (or is empty) from the later - merge_header_yaml = self._merge_header_extract(payload_yaml) - for merge_i in [merge_header_yaml, merge_header_headers]: - merge_i = merge_i.strip().lower() - if merge_i: - merge_how = merge_i - break - if not merge_how: - merge_how = DEF_MERGE_TYPE - merger = mergers.construct(merge_how) - self.cloud_buf = merger.merge(self.cloud_buf, payload_yaml) + # if neither exists (or is empty) from the later. + payload_yaml = util.load_yaml(payload) + mergers_yaml = mergers.dict_extract_mergers(payload_yaml) + mergers_header = mergers.string_extract_mergers(merge_header_headers) + all_mergers = [] + all_mergers.extend(mergers_yaml) + all_mergers.extend(mergers_header) + if not all_mergers: + all_mergers = mergers.string_extract_mergers(DEF_MERGE_TYPE) + return all_mergers + + def _merge_part(self, payload, headers): + next_mergers = self._extract_mergers(payload, headers) + # Use the merger list from the last call, since it is the one + # that will be defining how to merge with the next payload. + curr_mergers = list(self.mergers[-1]) + LOG.debug("Merging with %s", curr_mergers) + self.mergers.append(next_mergers) + merger = mergers.construct(curr_mergers) + if self.cloud_buf is None: + # First time through, merge with an empty dict... + self.cloud_buf = {} + self.cloud_buf = merger.merge(self.cloud_buf, + util.load_yaml(payload)) def _reset(self): self.file_names = [] - self.cloud_buf = {} + self.cloud_buf = None + self.mergers = [ + mergers.string_extract_mergers(DEF_MERGE_TYPE), + ] def handle_part(self, _data, ctype, filename, payload, _freq, headers): if ctype == handlers.CONTENT_START: diff --git a/cloudinit/mergers/__init__.py b/cloudinit/mergers/__init__.py index 20658edc..4a112165 100644 --- a/cloudinit/mergers/__init__.py +++ b/cloudinit/mergers/__init__.py @@ -34,6 +34,13 @@ class UnknownMerger(object): def _handle_unknown(self, meth_wanted, value, merge_with): return value + # This merging will attempt to look for a '_on_X' method + # in our own object for a given object Y with type X, + # if found it will be called to perform the merge of a source + # object and a object to merge_with. + # + # If not found the merge will be given to a '_handle_unknown' + # function which can decide what to do wit the 2 values. def merge(self, source, merge_with): type_name = util.obj_name(source) type_name = type_name.lower() @@ -56,6 +63,11 @@ class LookupMerger(UnknownMerger): else: self._lookups = lookups + # For items which can not be merged by the parent this object + # will lookup in a internally maintained set of objects and + # find which one of those objects can perform the merge. If + # any of the contained objects have the needed method, they + # will be called to perform the merge. def _handle_unknown(self, meth_wanted, value, merge_with): meth = None for merger in self._lookups: @@ -70,8 +82,33 @@ class LookupMerger(UnknownMerger): return meth(value, merge_with) -def _extract_merger_names(merge_how): - names = [] +def dict_extract_mergers(config): + parsed_mergers = [] + raw_mergers = config.get('merger_how') + if raw_mergers is None: + raw_mergers = config.get('merge_type') + if raw_mergers is None: + return parsed_mergers + if isinstance(raw_mergers, (str, basestring)): + return string_extract_mergers(raw_mergers) + for m in raw_mergers: + if isinstance(m, (dict)): + name = m['name'] + name = name.replace("-", "_").strip() + opts = m['settings'] + else: + name = m[0] + if len(m) >= 2: + opts = m[1:] + else: + opts = [] + if name: + parsed_mergers.append((name, opts)) + return parsed_mergers + + +def string_extract_mergers(merge_how): + parsed_mergers = [] for m_name in merge_how.split("+"): # Canonicalize the name (so that it can be found # even when users alter it in various ways) @@ -79,20 +116,20 @@ def _extract_merger_names(merge_how): m_name = m_name.replace("-", "_") if not m_name: continue - names.append(m_name) - return names - - -def construct(merge_how): - mergers_to_be = [] - for name in _extract_merger_names(merge_how): - match = NAME_MTCH.match(name) + match = NAME_MTCH.match(m_name) if not match: - msg = "Matcher identifer '%s' is not in the right format" % (name) + msg = "Matcher identifer '%s' is not in the right format" % (m_name) raise ValueError(msg) (m_name, m_ops) = match.groups() m_ops = m_ops.strip().split(",") m_ops = [m.strip().lower() for m in m_ops if m.strip()] + parsed_mergers.append((m_name, m_ops)) + return parsed_mergers + + +def construct(parsed_mergers): + mergers_to_be = [] + for (m_name, m_ops) in parsed_mergers: merger_locs = importer.find_module(m_name, [__name__], ['Merger']) diff --git a/cloudinit/mergers/dict.py b/cloudinit/mergers/dict.py index bc392afa..45a7d3a5 100644 --- a/cloudinit/mergers/dict.py +++ b/cloudinit/mergers/dict.py @@ -22,6 +22,17 @@ class Merger(object): self._merger = merger self._overwrite = 'overwrite' in opts + # This merging algorithm will attempt to merge with + # another dictionary, on encountering any other type of object + # it will not merge with said object, but will instead return + # the original value + # + # On encountering a dictionary, it will create a new dictionary + # composed of the original and the one to merge with, if 'overwrite' + # is enabled then keys that exist in the original will be overwritten + # by keys in the one to merge with (and associated values). Otherwise + # if not in overwrite mode the 2 conflicting keys themselves will + # be merged. def _on_dict(self, value, merge_with): if not isinstance(merge_with, (dict)): return value diff --git a/cloudinit/mergers/list.py b/cloudinit/mergers/list.py index a848b8d6..a56ff007 100644 --- a/cloudinit/mergers/list.py +++ b/cloudinit/mergers/list.py @@ -26,21 +26,24 @@ class Merger(object): def _on_tuple(self, value, merge_with): return self._on_list(list(value), merge_with) + # On encountering a list or tuple type this action will be applied + # a new list will be returned, if the value to merge with is itself + # a list and we have been told to 'extend', then the value here will + # be extended with the other list. If in 'extend' mode then we will + # attempt to merge instead, which means that values from the list + # to merge with will replace values in te original list (they will + # also be merged recursively). + # + # If the value to merge with is not a list, and we are set to discared + # then no modifications will take place, otherwise we will just append + # the value to merge with onto the end of our own list. def _on_list(self, value, merge_with): new_value = list(value) if isinstance(merge_with, (tuple, list)): if self._extend: new_value.extend(merge_with) else: - # Merge instead - for m_v in merge_with: - m_am = 0 - for (i, o_v) in enumerate(new_value): - if m_v == o_v: - new_value[i] = self._merger.merge(o_v, m_v) - m_am += 1 - if m_am == 0: - new_value.append(m_v) + return new_value else: if not self._discard_non: new_value.append(merge_with) diff --git a/cloudinit/mergers/str.py b/cloudinit/mergers/str.py index 14bc46ec..f1534c5b 100644 --- a/cloudinit/mergers/str.py +++ b/cloudinit/mergers/str.py @@ -21,9 +21,14 @@ class Merger(object): def __init__(self, merger, opts): self._append = 'append' in opts + # On encountering a unicode object to merge value with + # we will for now just proxy into the string method to let it handle it. def _on_unicode(self, value, merge_with): return self._on_str(value, merge_with) + # On encountering a string object to merge with we will + # perform the following action, if appending we will + # merge them together, otherwise we will just return value. def _on_str(self, value, merge_with): if not self._append: return value diff --git a/tests/unittests/test__init__.py b/tests/unittests/test__init__.py index ac082076..7924755a 100644 --- a/tests/unittests/test__init__.py +++ b/tests/unittests/test__init__.py @@ -22,8 +22,10 @@ class FakeModule(handlers.Handler): def list_types(self): return self.types - def _handle_part(self, data, ctype, filename, payload, frequency): + def handle_part(self, data, ctype, filename, payload, frequency): pass + + class TestWalkerHandleHandler(MockerTestCase): @@ -103,6 +105,9 @@ class TestHandlerHandlePart(MockerTestCase): self.filename = "fake filename" self.payload = "fake payload" self.frequency = settings.PER_INSTANCE + self.headers = { + 'Content-Type': self.ctype, + } def test_normal_version_1(self): """ @@ -118,8 +123,8 @@ class TestHandlerHandlePart(MockerTestCase): self.payload) self.mocker.replay() - handlers.run_part(mod_mock, self.data, self.ctype, self.filename, - self.payload, self.frequency) + handlers.run_part(mod_mock, self.data, self.filename, + self.payload, self.frequency, self.headers) def test_normal_version_2(self): """ @@ -135,8 +140,8 @@ class TestHandlerHandlePart(MockerTestCase): self.payload, self.frequency) self.mocker.replay() - handlers.run_part(mod_mock, self.data, self.ctype, self.filename, - self.payload, self.frequency) + handlers.run_part(mod_mock, self.data, self.filename, + self.payload, self.frequency, self.headers) def test_modfreq_per_always(self): """ @@ -152,8 +157,8 @@ class TestHandlerHandlePart(MockerTestCase): self.payload) self.mocker.replay() - handlers.run_part(mod_mock, self.data, self.ctype, self.filename, - self.payload, self.frequency) + handlers.run_part(mod_mock, self.data, self.filename, + self.payload, self.frequency, self.headers) def test_no_handle_when_modfreq_once(self): """C{handle_part} is not called if frequency is once.""" @@ -163,8 +168,8 @@ class TestHandlerHandlePart(MockerTestCase): self.mocker.result(settings.PER_ONCE) self.mocker.replay() - handlers.run_part(mod_mock, self.data, self.ctype, self.filename, - self.payload, self.frequency) + handlers.run_part(mod_mock, self.data, self.filename, + self.payload, self.frequency, self.headers) def test_exception_is_caught(self): """Exceptions within C{handle_part} are caught and logged.""" @@ -178,8 +183,8 @@ class TestHandlerHandlePart(MockerTestCase): self.mocker.throw(Exception()) self.mocker.replay() - handlers.run_part(mod_mock, self.data, self.ctype, self.filename, - self.payload, self.frequency) + handlers.run_part(mod_mock, self.data, self.filename, + self.payload, self.frequency, self.headers) class TestCmdlineUrl(MockerTestCase): diff --git a/tests/unittests/test_merging.py b/tests/unittests/test_merging.py index 0037b966..fa7ee8e4 100644 --- a/tests/unittests/test_merging.py +++ b/tests/unittests/test_merging.py @@ -1,62 +1,143 @@ -from mocker import MockerTestCase - -from cloudinit import util - - -class TestMergeDict(MockerTestCase): - def test_simple_merge(self): - """Test simple non-conflict merge.""" - source = {"key1": "value1"} - candidate = {"key2": "value2"} - result = util.mergedict(source, candidate) - self.assertEqual({"key1": "value1", "key2": "value2"}, result) - - def test_nested_merge(self): - """Test nested merge.""" - source = {"key1": {"key1.1": "value1.1"}} - candidate = {"key1": {"key1.2": "value1.2"}} - result = util.mergedict(source, candidate) - self.assertEqual( - {"key1": {"key1.1": "value1.1", "key1.2": "value1.2"}}, result) - - def test_merge_does_not_override(self): - """Test that candidate doesn't override source.""" - source = {"key1": "value1", "key2": "value2"} - candidate = {"key1": "value2", "key2": "NEW VALUE"} - result = util.mergedict(source, candidate) - self.assertEqual(source, result) - - def test_empty_candidate(self): - """Test empty candidate doesn't change source.""" - source = {"key": "value"} - candidate = {} - result = util.mergedict(source, candidate) - self.assertEqual(source, result) - - def test_empty_source(self): - """Test empty source is replaced by candidate.""" - source = {} - candidate = {"key": "value"} - result = util.mergedict(source, candidate) - self.assertEqual(candidate, result) - - def test_non_dict_candidate(self): - """Test non-dict candidate is discarded.""" - source = {"key": "value"} - candidate = "not a dict" - result = util.mergedict(source, candidate) - self.assertEqual(source, result) - - def test_non_dict_source(self): - """Test non-dict source is not modified with a dict candidate.""" - source = "not a dict" - candidate = {"key": "value"} - result = util.mergedict(source, candidate) - self.assertEqual(source, result) - - def test_neither_dict(self): - """Test if neither candidate or source is dict source wins.""" - source = "source" - candidate = "candidate" - result = util.mergedict(source, candidate) - self.assertEqual(source, result) +import os + +from tests.unittests import helpers + +from cloudinit import mergers + + +class TestSimpleRun(helpers.MockerTestCase): + def test_basic_merge(self): + source = { + 'Blah': ['blah2'], + 'Blah3': 'c', + } + merge_with = { + 'Blah2': ['blah3'], + 'Blah3': 'b', + 'Blah': ['123'], + } + # Basic merge should not do thing special + merge_how = "list()+dict()+str()" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged['Blah'], ['blah2']) + self.assertEquals(merged['Blah2'], ['blah3']) + self.assertEquals(merged['Blah3'], 'c') + + def test_dict_overwrite(self): + source = { + 'Blah': ['blah2'], + } + merge_with = { + 'Blah': ['123'], + } + # Now lets try a dict overwrite + merge_how = "list()+dict(overwrite)+str()" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged['Blah'], ['123']) + + def test_string_append(self): + source = { + 'Blah': 'blah2', + } + merge_with = { + 'Blah': '345', + } + merge_how = "list()+dict()+str(append)" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged['Blah'], 'blah2345') + + def test_list_extend(self): + source = ['abc'] + merge_with = ['123'] + merge_how = "list(extend)+dict()+str()" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged, ['abc', '123']) + + def test_deep_merge(self): + source = { + 'a': [1, 'b', 2], + 'b': 'blahblah', + 'c': { + 'e': [1, 2, 3], + 'f': 'bigblobof', + 'iamadict': { + 'ok': 'ok', + } + }, + 'run': [ + 'runme', + 'runme2', + ], + 'runmereally': [ + 'e', ['a'], 'd', + ], + } + merge_with = { + 'a': ['e', 'f', 'g'], + 'b': 'more', + 'c': { + 'a': 'b', + 'f': 'stuff', + }, + 'run': [ + 'morecmd', + 'moremoremore', + ], + 'runmereally': [ + 'blah', ['b'], 'e', + ], + } + merge_how = "list(extend)+dict()+str(append)" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged['a'], [1, 'b', 2, 'e', 'f', 'g']) + self.assertEquals(merged['b'], 'blahblahmore') + self.assertEquals(merged['c']['f'], 'bigblobofstuff') + self.assertEquals(merged['run'], ['runme', 'runme2', 'morecmd', 'moremoremore']) + self.assertEquals(merged['runmereally'], ['e', ['a'], 'd', 'blah', ['b'], 'e']) + + def test_dict_overwrite_layered(self): + source = { + 'Blah3': { + 'f': '3', + 'g': { + 'a': 'b', + } + } + } + merge_with = { + 'Blah3': { + 'e': '2', + 'g': { + 'e': 'f', + } + } + } + merge_how = "list()+dict()+str()" + merger_set = mergers.string_extract_mergers(merge_how) + self.assertEquals(3, len(merger_set)) + merger = mergers.construct(merger_set) + merged = merger.merge(source, merge_with) + self.assertEquals(merged['Blah3'], { + 'e': '2', + 'f': '3', + 'g': { + 'a': 'b', + 'e': 'f', + } + }) + diff --git a/tests/unittests/test_userdata.py b/tests/unittests/test_userdata.py index 82a4c555..9e1fed7e 100644 --- a/tests/unittests/test_userdata.py +++ b/tests/unittests/test_userdata.py @@ -9,12 +9,17 @@ from email.mime.base import MIMEBase from mocker import MockerTestCase +from cloudinit import handlers +from cloudinit import helpers as c_helpers from cloudinit import log from cloudinit import sources from cloudinit import stages +from cloudinit import util INSTANCE_ID = "i-testing" +from tests.unittests import helpers + class FakeDataSource(sources.DataSource): @@ -26,22 +31,16 @@ class FakeDataSource(sources.DataSource): # FIXME: these tests shouldn't be checking log output?? # Weirddddd... - - -class TestConsumeUserData(MockerTestCase): +class TestConsumeUserData(helpers.FilesystemMockingTestCase): def setUp(self): - MockerTestCase.setUp(self) - # Replace the write so no actual files - # get written out... - self.mock_write = self.mocker.replace("cloudinit.util.write_file", - passthrough=False) + helpers.FilesystemMockingTestCase.setUp(self) self._log = None self._log_file = None self._log_handler = None def tearDown(self): - MockerTestCase.tearDown(self) + helpers.FilesystemMockingTestCase.tearDown(self) if self._log_handler and self._log: self._log.removeHandler(self._log_handler) @@ -53,12 +52,71 @@ class TestConsumeUserData(MockerTestCase): self._log.addHandler(self._log_handler) return log_file + def test_merging_cloud_config(self): + blob = ''' +#cloud-config +a: b +e: f +run: + - b + - c +''' + message1 = MIMEBase("text", "cloud-config") + message1['Merge-Type'] = 'dict()+list(extend)+str(append)' + message1.set_payload(blob) + + blob2 = ''' +#cloud-config +a: e +e: g +run: + - stuff + - morestuff +''' + message2 = MIMEBase("text", "cloud-config") + message2['Merge-Type'] = 'dict()+list(extend)+str()' + message2.set_payload(blob2) + + blob3 = ''' +#cloud-config +e: + - 1 + - 2 + - 3 +''' + message3 = MIMEBase("text", "cloud-config") + message3['Merge-Type'] = 'dict()+list()+str()' + message3.set_payload(blob3) + + messages = [message1, message2, message3] + + paths = c_helpers.Paths({}, ds=FakeDataSource('')) + cloud_cfg = handlers.cloud_config.CloudConfigPartHandler(paths) + + new_root = self.makeDir() + self.patchUtils(new_root) + self.patchOS(new_root) + cloud_cfg.handle_part(None, handlers.CONTENT_START, None, None, None, None) + for i, m in enumerate(messages): + headers = dict(m) + fn = "part-%s" % (i + 1) + payload = m.get_payload(decode=True) + cloud_cfg.handle_part(None, headers['Content-Type'], + fn, payload, None, headers) + cloud_cfg.handle_part(None, handlers.CONTENT_END, None, None, None, None) + contents = util.load_file(paths.get_ipath('cloud_config')) + contents = util.load_yaml(contents) + self.assertEquals(contents['run'], ['b', 'c', 'stuff', 'morestuff']) + self.assertEquals(contents['a'], 'be') + self.assertEquals(contents['e'], 'fg') + def test_unhandled_type_warning(self): """Raw text without magic is ignored but shows warning.""" ci = stages.Init() data = "arbitrary text\n" ci.datasource = FakeDataSource(data) + self.mock_write = self.mocker.replace("cloudinit.util.write_file", passthrough=False) self.mock_write(ci.paths.get_ipath("cloud_config"), "", 0600) self.mocker.replay() @@ -76,6 +134,7 @@ class TestConsumeUserData(MockerTestCase): message.set_payload("Just text") ci.datasource = FakeDataSource(message.as_string()) + self.mock_write = self.mocker.replace("cloudinit.util.write_file", passthrough=False) self.mock_write(ci.paths.get_ipath("cloud_config"), "", 0600) self.mocker.replay() @@ -93,6 +152,7 @@ class TestConsumeUserData(MockerTestCase): ci.datasource = FakeDataSource(script) outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001") + self.mock_write = self.mocker.replace("cloudinit.util.write_file", passthrough=False) self.mock_write(ci.paths.get_ipath("cloud_config"), "", 0600) self.mock_write(outpath, script, 0700) self.mocker.replay() @@ -111,6 +171,7 @@ class TestConsumeUserData(MockerTestCase): ci.datasource = FakeDataSource(message.as_string()) outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001") + self.mock_write = self.mocker.replace("cloudinit.util.write_file", passthrough=False) self.mock_write(ci.paths.get_ipath("cloud_config"), "", 0600) self.mock_write(outpath, script, 0700) self.mocker.replay() @@ -129,6 +190,7 @@ class TestConsumeUserData(MockerTestCase): ci.datasource = FakeDataSource(message.as_string()) outpath = os.path.join(ci.paths.get_ipath_cur("scripts"), "part-001") + self.mock_write = self.mocker.replace("cloudinit.util.write_file", passthrough=False) self.mock_write(outpath, script, 0700) self.mock_write(ci.paths.get_ipath("cloud_config"), "", 0600) self.mocker.replay() |