diff options
Diffstat (limited to 'roles')
15 files changed, 430 insertions, 82 deletions
diff --git a/roles/openshift_health_checker/action_plugins/openshift_health_check.py b/roles/openshift_health_checker/action_plugins/openshift_health_check.py index d02a43655..326176273 100644 --- a/roles/openshift_health_checker/action_plugins/openshift_health_check.py +++ b/roles/openshift_health_checker/action_plugins/openshift_health_check.py @@ -3,7 +3,10 @@ Ansible action plugin to execute health checks in OpenShift clusters. """ import sys import os +import base64 import traceback +import errno +import json from collections import defaultdict from ansible.plugins.action import ActionBase @@ -38,8 +41,13 @@ class ActionModule(ActionBase): # storing the information we need in the result. result['playbook_context'] = task_vars.get('r_openshift_health_checker_playbook_context') + # if the user wants to write check results to files, they provide this directory: + output_dir = task_vars.get("openshift_checks_output_dir") + if output_dir: + output_dir = os.path.join(output_dir, task_vars["ansible_host"]) + try: - known_checks = self.load_known_checks(tmp, task_vars) + known_checks = self.load_known_checks(tmp, task_vars, output_dir) args = self._task.args requested_checks = normalize(args.get('checks', [])) @@ -65,21 +73,20 @@ class ActionModule(ActionBase): for name in resolved_checks: display.banner("CHECK [{} : {}]".format(name, task_vars["ansible_host"])) - check = known_checks[name] - check_results[name] = run_check(name, check, user_disabled_checks) - if check.changed: - check_results[name]["changed"] = True + check_results[name] = run_check(name, known_checks[name], user_disabled_checks, output_dir) result["changed"] = any(r.get("changed") for r in check_results.values()) if any(r.get("failed") for r in check_results.values()): result["failed"] = True result["msg"] = "One or more checks failed" + write_result_to_output_dir(output_dir, result) return result - def load_known_checks(self, tmp, task_vars): + def load_known_checks(self, tmp, task_vars, output_dir=None): """Find all existing checks and return a mapping of names to instances.""" load_checks() + want_full_results = bool(output_dir) known_checks = {} for cls in OpenShiftCheck.subclasses(): @@ -90,7 +97,12 @@ class ActionModule(ActionBase): "duplicate check name '{}' in: '{}' and '{}'" "".format(name, full_class_name(cls), full_class_name(other_cls)) ) - known_checks[name] = cls(execute_module=self._execute_module, tmp=tmp, task_vars=task_vars) + known_checks[name] = cls( + execute_module=self._execute_module, + tmp=tmp, + task_vars=task_vars, + want_full_results=want_full_results + ) return known_checks @@ -185,8 +197,10 @@ def normalize(checks): return [name.strip() for name in checks if name.strip()] -def run_check(name, check, user_disabled_checks): +def run_check(name, check, user_disabled_checks, output_dir=None): """Run a single check if enabled and return a result dict.""" + + # determine if we're going to run the check (not inactive or disabled) if name in user_disabled_checks or '*' in user_disabled_checks: return dict(skipped=True, skipped_reason="Disabled by user request") @@ -201,12 +215,134 @@ def run_check(name, check, user_disabled_checks): if not is_active: return dict(skipped=True, skipped_reason="Not active for this host") + # run the check + result = {} try: - return check.run() + result = check.run() except OpenShiftCheckException as exc: - return dict(failed=True, msg=str(exc)) + check.register_failure(exc) + except Exception as exc: + check.register_failure("\n".join([str(exc), traceback.format_exc()])) + + # process the check state; compose the result hash, write files as needed + if check.changed: + result["changed"] = True + if check.failures or result.get("failed"): + if "msg" in result: # failure result has msg; combine with any registered failures + check.register_failure(result.get("msg")) + result["failures"] = [(fail.name, str(fail)) for fail in check.failures] + result["failed"] = True + result["msg"] = "\n".join(str(fail) for fail in check.failures) + write_to_output_file(output_dir, name + ".failures.json", result["failures"]) + if check.logs: + write_to_output_file(output_dir, name + ".log.json", check.logs) + if check.files_to_save: + write_files_to_save(output_dir, check) + + return result + + +def prepare_output_dir(dirname): + """Create the directory, including parents. Return bool for success/failure.""" + try: + os.makedirs(dirname) + return True + except OSError as exc: + # trying to create existing dir leads to error; + # that error is fine, but for any other, assume the dir is not there + return exc.errno == errno.EEXIST + + +def copy_remote_file_to_dir(check, file_to_save, output_dir, fname): + """Copy file from remote host to local file in output_dir, if given.""" + if not output_dir or not prepare_output_dir(output_dir): + return + local_file = os.path.join(output_dir, fname) + + # pylint: disable=broad-except; do not need to do anything about failure to write dir/file + # and do not want exceptions to break anything. + try: + # NOTE: it would have been nice to copy the file directly without loading it into + # memory, but there does not seem to be a good way to do this via ansible. + result = check.execute_module("slurp", dict(src=file_to_save), register=False) + if result.get("failed"): + display.warning("Could not retrieve file {}: {}".format(file_to_save, result.get("msg"))) + return + + content = result["content"] + if result.get("encoding") == "base64": + content = base64.b64decode(content) + with open(local_file, "wb") as outfile: + outfile.write(content) + except Exception as exc: + display.warning("Failed writing remote {} to local {}: {}".format(file_to_save, local_file, exc)) + return + + +def _no_fail(obj): + # pylint: disable=broad-except; do not want serialization to fail for any reason + try: + return str(obj) + except Exception: + return "[not serializable]" + + +def write_to_output_file(output_dir, filename, data): + """If output_dir provided, write data to file. Serialize as JSON if data is not a string.""" + + if not output_dir or not prepare_output_dir(output_dir): + return + filename = os.path.join(output_dir, filename) + try: + with open(filename, 'w') as outfile: + if isinstance(data, string_types): + outfile.write(data) + else: + json.dump(data, outfile, sort_keys=True, indent=4, default=_no_fail) + # pylint: disable=broad-except; do not want serialization/write to break for any reason + except Exception as exc: + display.warning("Could not write output file {}: {}".format(filename, exc)) + + +def write_result_to_output_dir(output_dir, result): + """If output_dir provided, write the result as json to result.json. + + Success/failure of the write is recorded as "output_files" in the result hash afterward. + Otherwise this is much like write_to_output_file. + """ + + if not output_dir: + return + if not prepare_output_dir(output_dir): + result["output_files"] = "Error creating output directory " + output_dir + return + + filename = os.path.join(output_dir, "result.json") + try: + with open(filename, 'w') as outfile: + json.dump(result, outfile, sort_keys=True, indent=4, default=_no_fail) + result["output_files"] = "Check results for this host written to " + filename + # pylint: disable=broad-except; do not want serialization/write to break for any reason except Exception as exc: - return dict(failed=True, msg=str(exc), exception=traceback.format_exc()) + result["output_files"] = "Error writing check results to {}:\n{}".format(filename, exc) + + +def write_files_to_save(output_dir, check): + """Write files to check subdir in output dir.""" + if not output_dir: + return + output_dir = os.path.join(output_dir, check.name) + seen_file = defaultdict(lambda: 0) + for file_to_save in check.files_to_save: + fname = file_to_save.filename + while seen_file[fname]: # just to be sure we never re-write a file, append numbers as needed + seen_file[fname] += 1 + fname = "{}.{}".format(fname, seen_file[fname]) + seen_file[fname] += 1 + if file_to_save.remote_filename: + copy_remote_file_to_dir(check, file_to_save.remote_filename, output_dir, fname) + else: + write_to_output_file(output_dir, fname, file_to_save.contents) def full_class_name(cls): diff --git a/roles/openshift_health_checker/openshift_checks/__init__.py b/roles/openshift_health_checker/openshift_checks/__init__.py index 987c955b6..28cb53cc5 100644 --- a/roles/openshift_health_checker/openshift_checks/__init__.py +++ b/roles/openshift_health_checker/openshift_checks/__init__.py @@ -2,9 +2,11 @@ Health checks for OpenShift clusters. """ +import json import operator import os import time +import collections from abc import ABCMeta, abstractmethod, abstractproperty from importlib import import_module @@ -28,7 +30,7 @@ class OpenShiftCheckException(Exception): class OpenShiftCheckExceptionList(OpenShiftCheckException): - """A container for multiple logging errors that may be detected in one check.""" + """A container for multiple errors that may be detected in one check.""" def __init__(self, errors): self.errors = errors super(OpenShiftCheckExceptionList, self).__init__( @@ -41,29 +43,53 @@ class OpenShiftCheckExceptionList(OpenShiftCheckException): return self.errors[index] +FileToSave = collections.namedtuple("FileToSave", "filename contents remote_filename") + + +# pylint: disable=too-many-instance-attributes; all represent significantly different state. +# Arguably they could be separated into two hashes, one for storing parameters, and one for +# storing result state; but that smells more like clutter than clarity. @six.add_metaclass(ABCMeta) class OpenShiftCheck(object): - """ - A base class for defining checks for an OpenShift cluster environment. + """A base class for defining checks for an OpenShift cluster environment. - Expect optional params: method execute_module, dict task_vars, and string tmp. + Optional init params: method execute_module, dict task_vars, and string tmp execute_module is expected to have a signature compatible with _execute_module from ansible plugins/action/__init__.py, e.g.: def execute_module(module_name=None, module_args=None, tmp=None, task_vars=None, *args): This is stored so that it can be invoked in subclasses via check.execute_module("name", args) which provides the check's stored task_vars and tmp. + + Optional init param: want_full_results + If the check can gather logs, tarballs, etc., do so when True; but no need to spend + the time if they're not wanted (won't be written to output directory). """ - def __init__(self, execute_module=None, task_vars=None, tmp=None): + def __init__(self, execute_module=None, task_vars=None, tmp=None, want_full_results=False): + # store a method for executing ansible modules from the check self._execute_module = execute_module + # the task variables and tmpdir passed into the health checker task self.task_vars = task_vars or {} self.tmp = tmp + # a boolean for disabling the gathering of results (files, computations) that won't + # actually be recorded/used + self.want_full_results = want_full_results + # mainly for testing purposes; see execute_module_with_retries self._module_retries = 3 self._module_retry_interval = 5 # seconds + # state to be recorded for inspection after the check runs: + # # set to True when the check changes the host, for accurate total "changed" count self.changed = False + # list of OpenShiftCheckException for check to report (alternative to returning a failed result) + self.failures = [] + # list of FileToSave - files the check specifies to be written locally if so configured + self.files_to_save = [] + # log messages for the check - tuples of (description, msg) where msg is serializable. + # These are intended to be a sequential record of what the check observed and determined. + self.logs = [] @abstractproperty def name(self): @@ -86,7 +112,13 @@ class OpenShiftCheck(object): @abstractmethod def run(self): - """Executes a check, normally implemented as a module.""" + """Executes a check against a host and returns a result hash similar to Ansible modules. + + Actually the direction ahead is to record state in the attributes and + not bother building a result hash. Instead, return an empty hash and let + the action plugin fill it in. Or raise an OpenShiftCheckException. + Returning a hash may become deprecated if it does not prove necessary. + """ return {} @classmethod @@ -98,7 +130,43 @@ class OpenShiftCheck(object): for subclass in subclass.subclasses(): yield subclass - def execute_module(self, module_name=None, module_args=None): + def register_failure(self, error): + """Record in the check that a failure occurred. + + Recorded failures are merged into the result hash for now. They are also saved to output directory + (if provided) <check>.failures.json and registered as a log entry for context <check>.log.json. + """ + # It should be an exception; make it one if not + if not isinstance(error, OpenShiftCheckException): + error = OpenShiftCheckException(str(error)) + self.failures.append(error) + # duplicate it in the logs so it can be seen in the context of any + # information that led to the failure + self.register_log("failure: " + error.name, str(error)) + + def register_log(self, context, msg): + """Record an entry for the check log. + + Notes are intended to serve as context of the whole sequence of what the check observed. + They are be saved as an ordered list in a local check log file. + They are not to included in the result or in the ansible log; it's just for the record. + """ + self.logs.append([context, msg]) + + def register_file(self, filename, contents=None, remote_filename=""): + """Record a file that a check makes available to be saved individually to output directory. + + Either file contents should be passed in, or a file to be copied from the remote host + should be specified. Contents that are not a string are to be serialized as JSON. + + NOTE: When copying a file from remote host, it is slurped into memory as base64, meaning + you should avoid using this on huge files (more than say 10M). + """ + if contents is None and not remote_filename: + raise OpenShiftCheckException("File data/source not specified; this is a bug in the check.") + self.files_to_save.append(FileToSave(filename, contents, remote_filename)) + + def execute_module(self, module_name=None, module_args=None, save_as_name=None, register=True): """Invoke an Ansible module from a check. Invoke stored _execute_module, normally copied from the action @@ -110,6 +178,12 @@ class OpenShiftCheck(object): Ansible version). So e.g. check.execute_module("foo", dict(arg1=...)) + + save_as_name specifies a file name for saving the result to an output directory, + if needed, and is intended to uniquely identify the result of invoking execute_module. + If not provided, the module name will be used. + If register is set False, then the result won't be registered in logs or files to save. + Return: result hash from module execution. """ if self._execute_module is None: @@ -117,7 +191,20 @@ class OpenShiftCheck(object): self.__class__.__name__ + " invoked execute_module without providing the method at initialization." ) - return self._execute_module(module_name, module_args, self.tmp, self.task_vars) + result = self._execute_module(module_name, module_args, self.tmp, self.task_vars) + if result.get("changed"): + self.changed = True + for output in ["result", "stdout"]: + # output is often JSON; attempt to decode + try: + result[output + "_json"] = json.loads(result[output]) + except (KeyError, ValueError): + pass + + if register: + self.register_log("execute_module: " + module_name, result) + self.register_file(save_as_name or module_name + ".json", result) + return result def execute_module_with_retries(self, module_name, module_args): """Run execute_module and retry on failure.""" @@ -188,8 +275,12 @@ class OpenShiftCheck(object): 'There is a bug in this check. While trying to convert variable \n' ' "{var}={value}"\n' 'the given converter cannot be used or failed unexpectedly:\n' - '{error}'.format(var=".".join(keys), value=value, error=error) - ) + '{type}: {error}'.format( + var=".".join(keys), + value=value, + type=error.__class__.__name__, + error=error + )) @staticmethod def get_major_minor_version(openshift_image_tag): @@ -231,7 +322,9 @@ class OpenShiftCheck(object): mount_point = os.path.dirname(mount_point) try: - return mount_for_path[mount_point] + mount = mount_for_path[mount_point] + self.register_log("mount point for " + path, mount) + return mount except KeyError: known_mounts = ', '.join('"{}"'.format(mount) for mount in sorted(mount_for_path)) raise OpenShiftCheckException( @@ -259,7 +352,7 @@ def load_checks(path=None, subpkg=""): modules = modules + load_checks(os.path.join(path, name), subpkg + "." + name) continue - if name.endswith(".py") and not name.startswith(".") and name not in LOADER_EXCLUDES: + if name.endswith(".py") and name not in LOADER_EXCLUDES: modules.append(import_module(__package__ + subpkg + "." + name[:-3])) return modules diff --git a/roles/openshift_health_checker/openshift_checks/disk_availability.py b/roles/openshift_health_checker/openshift_checks/disk_availability.py index f302fd14b..cdf56e959 100644 --- a/roles/openshift_health_checker/openshift_checks/disk_availability.py +++ b/roles/openshift_health_checker/openshift_checks/disk_availability.py @@ -70,6 +70,10 @@ class DiskAvailability(OpenShiftCheck): # If it is not a number, then it should be a nested dict. pass + self.register_log("recommended thresholds", self.recommended_disk_space_bytes) + if user_config: + self.register_log("user-configured thresholds", user_config) + # TODO: as suggested in # https://github.com/openshift/openshift-ansible/pull/4436#discussion_r122180021, # maybe we could support checking disk availability in paths that are @@ -113,10 +117,7 @@ class DiskAvailability(OpenShiftCheck): 'in your Ansible inventory, and lower the recommended disk space availability\n' 'if necessary for this upgrade.').format(config_bytes) - return { - 'failed': True, - 'msg': msg, - } + self.register_failure(msg) return {} diff --git a/roles/openshift_health_checker/openshift_checks/logging/elasticsearch.py b/roles/openshift_health_checker/openshift_checks/logging/elasticsearch.py index 7fc843fd7..986a01f38 100644 --- a/roles/openshift_health_checker/openshift_checks/logging/elasticsearch.py +++ b/roles/openshift_health_checker/openshift_checks/logging/elasticsearch.py @@ -72,7 +72,7 @@ class Elasticsearch(LoggingCheck): for pod_name in pods_by_name.keys(): # Compare what each ES node reports as master and compare for split brain get_master_cmd = self._build_es_curl_cmd(pod_name, "https://localhost:9200/_cat/master") - master_name_str = self.exec_oc(get_master_cmd, []) + master_name_str = self.exec_oc(get_master_cmd, [], save_as_name="get_master_names.json") master_names = (master_name_str or '').split(' ') if len(master_names) > 1: es_master_names.add(master_names[1]) @@ -113,7 +113,7 @@ class Elasticsearch(LoggingCheck): # get ES cluster nodes node_cmd = self._build_es_curl_cmd(list(pods_by_name.keys())[0], 'https://localhost:9200/_nodes') - cluster_node_data = self.exec_oc(node_cmd, []) + cluster_node_data = self.exec_oc(node_cmd, [], save_as_name="get_es_nodes.json") try: cluster_nodes = json.loads(cluster_node_data)['nodes'] except (ValueError, KeyError): @@ -142,7 +142,7 @@ class Elasticsearch(LoggingCheck): errors = [] for pod_name in pods_by_name.keys(): cluster_health_cmd = self._build_es_curl_cmd(pod_name, 'https://localhost:9200/_cluster/health?pretty=true') - cluster_health_data = self.exec_oc(cluster_health_cmd, []) + cluster_health_data = self.exec_oc(cluster_health_cmd, [], save_as_name='get_es_health.json') try: health_res = json.loads(cluster_health_data) if not health_res or not health_res.get('status'): @@ -171,7 +171,7 @@ class Elasticsearch(LoggingCheck): errors = [] for pod_name in pods_by_name.keys(): df_cmd = 'exec {} -- df --output=ipcent,pcent /elasticsearch/persistent'.format(pod_name) - disk_output = self.exec_oc(df_cmd, []) + disk_output = self.exec_oc(df_cmd, [], save_as_name='get_pv_diskspace.json') lines = disk_output.splitlines() # expecting one header looking like 'IUse% Use%' and one body line body_re = r'\s*(\d+)%?\s+(\d+)%?\s*$' diff --git a/roles/openshift_health_checker/openshift_checks/logging/logging.py b/roles/openshift_health_checker/openshift_checks/logging/logging.py index ecd8adb64..06bdfebf6 100644 --- a/roles/openshift_health_checker/openshift_checks/logging/logging.py +++ b/roles/openshift_health_checker/openshift_checks/logging/logging.py @@ -78,7 +78,7 @@ class LoggingCheck(OpenShiftCheck): """Returns the namespace in which logging is configured to deploy.""" return self.get_var("openshift_logging_namespace", default="logging") - def exec_oc(self, cmd_str="", extra_args=None): + def exec_oc(self, cmd_str="", extra_args=None, save_as_name=None): """ Execute an 'oc' command in the remote host. Returns: output of command and namespace, @@ -92,7 +92,7 @@ class LoggingCheck(OpenShiftCheck): "extra_args": list(extra_args) if extra_args else [], } - result = self.execute_module("ocutil", args) + result = self.execute_module("ocutil", args, save_as_name=save_as_name) if result.get("failed"): if result['result'] == '[Errno 2] No such file or directory': raise CouldNotUseOc( diff --git a/roles/openshift_health_checker/openshift_checks/logging/logging_index_time.py b/roles/openshift_health_checker/openshift_checks/logging/logging_index_time.py index d781db649..cacdf4213 100644 --- a/roles/openshift_health_checker/openshift_checks/logging/logging_index_time.py +++ b/roles/openshift_health_checker/openshift_checks/logging/logging_index_time.py @@ -104,7 +104,7 @@ class LoggingIndexTime(LoggingCheck): "https://logging-es:9200/project.{namespace}*/_count?q=message:{uuid}" ) exec_cmd = exec_cmd.format(pod_name=pod_name, namespace=self.logging_namespace(), uuid=uuid) - result = self.exec_oc(exec_cmd, []) + result = self.exec_oc(exec_cmd, [], save_as_name="query_for_uuid.json") try: count = json.loads(result)["count"] diff --git a/roles/openshift_health_checker/openshift_checks/mixins.py b/roles/openshift_health_checker/openshift_checks/mixins.py index 24f1d938a..b90ebf6dd 100644 --- a/roles/openshift_health_checker/openshift_checks/mixins.py +++ b/roles/openshift_health_checker/openshift_checks/mixins.py @@ -49,5 +49,4 @@ class DockerHostMixin(object): " {deps}\n{msg}" ).format(deps=',\n '.join(self.dependencies), msg=msg) failed = result.get("failed", False) or result.get("rc", 0) != 0 - self.changed = result.get("changed", False) return msg, failed diff --git a/roles/openshift_health_checker/test/action_plugin_test.py b/roles/openshift_health_checker/test/action_plugin_test.py index 58864da21..f14887303 100644 --- a/roles/openshift_health_checker/test/action_plugin_test.py +++ b/roles/openshift_health_checker/test/action_plugin_test.py @@ -3,10 +3,12 @@ import pytest from ansible.playbook.play_context import PlayContext from openshift_health_check import ActionModule, resolve_checks -from openshift_checks import OpenShiftCheckException +from openshift_health_check import copy_remote_file_to_dir, write_result_to_output_dir, write_to_output_file +from openshift_checks import OpenShiftCheckException, FileToSave -def fake_check(name='fake_check', tags=None, is_active=True, run_return=None, run_exception=None, changed=False): +def fake_check(name='fake_check', tags=None, is_active=True, run_return=None, run_exception=None, + run_logs=None, run_files=None, changed=False, get_var_return=None): """Returns a new class that is compatible with OpenShiftCheck for testing.""" _name, _tags = name, tags @@ -14,12 +16,16 @@ def fake_check(name='fake_check', tags=None, is_active=True, run_return=None, ru class FakeCheck(object): name = _name tags = _tags or [] - changed = False - def __init__(self, execute_module=None, task_vars=None, tmp=None): - pass + def __init__(self, **_): + self.changed = False + self.failures = [] + self.logs = run_logs or [] + self.files_to_save = run_files or [] def is_active(self): + if isinstance(is_active, Exception): + raise is_active return is_active def run(self): @@ -28,6 +34,13 @@ def fake_check(name='fake_check', tags=None, is_active=True, run_return=None, ru raise run_exception return run_return + def get_var(*args, **_): + return get_var_return + + def register_failure(self, exc): + self.failures.append(OpenShiftCheckException(str(exc))) + return + return FakeCheck @@ -98,13 +111,18 @@ def test_action_plugin_cannot_load_checks_with_the_same_name(plugin, task_vars, assert failed(result, msg_has=['duplicate', 'duplicate_name', 'FakeCheck']) -def test_action_plugin_skip_non_active_checks(plugin, task_vars, monkeypatch): - checks = [fake_check(is_active=False)] +@pytest.mark.parametrize('is_active, skipped_reason', [ + (False, "Not active for this host"), + (Exception("borked"), "exception"), +]) +def test_action_plugin_skip_non_active_checks(is_active, skipped_reason, plugin, task_vars, monkeypatch): + checks = [fake_check(is_active=is_active)] monkeypatch.setattr('openshift_checks.OpenShiftCheck.subclasses', classmethod(lambda cls: checks)) result = plugin.run(tmp=None, task_vars=task_vars) - assert result['checks']['fake_check'] == dict(skipped=True, skipped_reason="Not active for this host") + assert result['checks']['fake_check'].get('skipped') + assert skipped_reason in result['checks']['fake_check'].get('skipped_reason') assert not failed(result) assert not changed(result) assert not skipped(result) @@ -128,10 +146,21 @@ def test_action_plugin_skip_disabled_checks(to_disable, plugin, task_vars, monke assert not skipped(result) +def test_action_plugin_run_list_checks(monkeypatch): + task = FakeTask('openshift_health_check', {'checks': []}) + plugin = ActionModule(task, None, PlayContext(), None, None, None) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {}) + result = plugin.run() + + assert failed(result, msg_has="Available checks") + assert not changed(result) + assert not skipped(result) + + def test_action_plugin_run_check_ok(plugin, task_vars, monkeypatch): check_return_value = {'ok': 'test'} - check_class = fake_check(run_return=check_return_value) - monkeypatch.setattr(plugin, 'load_known_checks', lambda tmp, task_vars: {'fake_check': check_class()}) + check_class = fake_check(run_return=check_return_value, run_files=[None]) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {'fake_check': check_class()}) monkeypatch.setattr('openshift_health_check.resolve_checks', lambda *args: ['fake_check']) result = plugin.run(tmp=None, task_vars=task_vars) @@ -145,7 +174,7 @@ def test_action_plugin_run_check_ok(plugin, task_vars, monkeypatch): def test_action_plugin_run_check_changed(plugin, task_vars, monkeypatch): check_return_value = {'ok': 'test'} check_class = fake_check(run_return=check_return_value, changed=True) - monkeypatch.setattr(plugin, 'load_known_checks', lambda tmp, task_vars: {'fake_check': check_class()}) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {'fake_check': check_class()}) monkeypatch.setattr('openshift_health_check.resolve_checks', lambda *args: ['fake_check']) result = plugin.run(tmp=None, task_vars=task_vars) @@ -158,9 +187,9 @@ def test_action_plugin_run_check_changed(plugin, task_vars, monkeypatch): def test_action_plugin_run_check_fail(plugin, task_vars, monkeypatch): - check_return_value = {'failed': True} + check_return_value = {'failed': True, 'msg': 'this is a failure'} check_class = fake_check(run_return=check_return_value) - monkeypatch.setattr(plugin, 'load_known_checks', lambda tmp, task_vars: {'fake_check': check_class()}) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {'fake_check': check_class()}) monkeypatch.setattr('openshift_health_check.resolve_checks', lambda *args: ['fake_check']) result = plugin.run(tmp=None, task_vars=task_vars) @@ -171,24 +200,51 @@ def test_action_plugin_run_check_fail(plugin, task_vars, monkeypatch): assert not skipped(result) -def test_action_plugin_run_check_exception(plugin, task_vars, monkeypatch): +@pytest.mark.parametrize('exc_class, expect_traceback', [ + (OpenShiftCheckException, False), + (Exception, True), +]) +def test_action_plugin_run_check_exception(plugin, task_vars, exc_class, expect_traceback, monkeypatch): exception_msg = 'fake check has an exception' - run_exception = OpenShiftCheckException(exception_msg) + run_exception = exc_class(exception_msg) check_class = fake_check(run_exception=run_exception, changed=True) - monkeypatch.setattr(plugin, 'load_known_checks', lambda tmp, task_vars: {'fake_check': check_class()}) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {'fake_check': check_class()}) monkeypatch.setattr('openshift_health_check.resolve_checks', lambda *args: ['fake_check']) result = plugin.run(tmp=None, task_vars=task_vars) assert failed(result['checks']['fake_check'], msg_has=exception_msg) + assert expect_traceback == ("Traceback" in result['checks']['fake_check']['msg']) assert failed(result, msg_has=['failed']) assert changed(result['checks']['fake_check']) assert changed(result) assert not skipped(result) +def test_action_plugin_run_check_output_dir(plugin, task_vars, tmpdir, monkeypatch): + check_class = fake_check( + run_return={}, + run_logs=[('thing', 'note')], + run_files=[ + FileToSave('save.file', 'contents', None), + FileToSave('save.file', 'duplicate', None), + FileToSave('copy.file', None, 'foo'), # note: copy runs execute_module => exception + ], + ) + task_vars['openshift_checks_output_dir'] = str(tmpdir) + check_class.get_var = lambda self, name, **_: task_vars.get(name) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {'fake_check': check_class()}) + monkeypatch.setattr('openshift_health_check.resolve_checks', lambda *args: ['fake_check']) + + plugin.run(tmp=None, task_vars=task_vars) + assert any(path.basename == task_vars['ansible_host'] for path in tmpdir.listdir()) + assert any(path.basename == 'fake_check.log.json' for path in tmpdir.visit()) + assert any(path.basename == 'save.file' for path in tmpdir.visit()) + assert any(path.basename == 'save.file.2' for path in tmpdir.visit()) + + def test_action_plugin_resolve_checks_exception(plugin, task_vars, monkeypatch): - monkeypatch.setattr(plugin, 'load_known_checks', lambda tmp, task_vars: {}) + monkeypatch.setattr(plugin, 'load_known_checks', lambda *_: {}) result = plugin.run(tmp=None, task_vars=task_vars) @@ -254,3 +310,38 @@ def test_resolve_checks_failure(names, all_checks, words_in_exception): resolve_checks(names, all_checks) for word in words_in_exception: assert word in str(excinfo.value) + + +@pytest.mark.parametrize('give_output_dir, result, expect_file', [ + (False, None, False), + (True, dict(content="c3BhbQo=", encoding="base64"), True), + (True, dict(content="encoding error", encoding="base64"), False), + (True, dict(content="spam", no_encoding=None), True), + (True, dict(failed=True, msg="could not slurp"), False), +]) +def test_copy_remote_file_to_dir(give_output_dir, result, expect_file, tmpdir): + check = fake_check()() + check.execute_module = lambda *args, **_: result + copy_remote_file_to_dir(check, "remote_file", str(tmpdir) if give_output_dir else "", "local_file") + assert expect_file == any(path.basename == "local_file" for path in tmpdir.listdir()) + + +def test_write_to_output_exceptions(tmpdir, monkeypatch, capsys): + + class Spam(object): + def __str__(self): + raise Exception("break str") + + test = {1: object(), 2: Spam()} + test[3] = test + write_result_to_output_dir(str(tmpdir), test) + assert "Error writing" in test["output_files"] + + output_dir = tmpdir.join("eggs") + output_dir.write("spam") # so now it's not a dir + write_to_output_file(str(output_dir), "somefile", "somedata") + assert "Could not write" in capsys.readouterr()[1] + + monkeypatch.setattr("openshift_health_check.prepare_output_dir", lambda *_: False) + write_result_to_output_dir(str(tmpdir), test) + assert "Error creating" in test["output_files"] diff --git a/roles/openshift_health_checker/test/disk_availability_test.py b/roles/openshift_health_checker/test/disk_availability_test.py index f4fd2dfed..9ae679b79 100644 --- a/roles/openshift_health_checker/test/disk_availability_test.py +++ b/roles/openshift_health_checker/test/disk_availability_test.py @@ -183,11 +183,12 @@ def test_fails_with_insufficient_disk_space(name, group_names, configured_min, a ansible_mounts=ansible_mounts, ) - result = DiskAvailability(fake_execute_module, task_vars).run() + check = DiskAvailability(fake_execute_module, task_vars) + check.run() - assert result['failed'] + assert check.failures for chunk in 'below recommended'.split() + expect_chunks: - assert chunk in result.get('msg', '') + assert chunk in str(check.failures[0]) @pytest.mark.parametrize('name,group_names,context,ansible_mounts,failed,extra_words', [ @@ -237,11 +238,11 @@ def test_min_required_space_changes_with_upgrade_context(name, group_names, cont ) check = DiskAvailability(fake_execute_module, task_vars) - result = check.run() + check.run() - assert result.get("failed", False) == failed + assert bool(check.failures) == failed for word in extra_words: - assert word in result.get('msg', '') + assert word in str(check.failures[0]) def fake_execute_module(*args): diff --git a/roles/openshift_health_checker/test/elasticsearch_test.py b/roles/openshift_health_checker/test/elasticsearch_test.py index 09bacd9ac..3fa5e8929 100644 --- a/roles/openshift_health_checker/test/elasticsearch_test.py +++ b/roles/openshift_health_checker/test/elasticsearch_test.py @@ -72,7 +72,7 @@ def test_check_elasticsearch(): assert_error_in_list('NoRunningPods', excinfo.value) # canned oc responses to match so all the checks pass - def exec_oc(cmd, args): + def exec_oc(cmd, args, **_): if '_cat/master' in cmd: return 'name logging-es' elif '/_nodes' in cmd: @@ -97,7 +97,7 @@ def test_check_running_es_pods(): def test_check_elasticsearch_masters(): pods = [plain_es_pod] - check = canned_elasticsearch(task_vars_config_base, lambda *_: plain_es_pod['_test_master_name_str']) + check = canned_elasticsearch(task_vars_config_base, lambda *args, **_: plain_es_pod['_test_master_name_str']) assert not check.check_elasticsearch_masters(pods_by_name(pods)) @@ -117,7 +117,7 @@ def test_check_elasticsearch_masters(): ]) def test_check_elasticsearch_masters_error(pods, expect_error): test_pods = list(pods) - check = canned_elasticsearch(task_vars_config_base, lambda *_: test_pods.pop(0)['_test_master_name_str']) + check = canned_elasticsearch(task_vars_config_base, lambda *args, **_: test_pods.pop(0)['_test_master_name_str']) assert_error_in_list(expect_error, check.check_elasticsearch_masters(pods_by_name(pods))) @@ -129,7 +129,7 @@ es_node_list = { def test_check_elasticsearch_node_list(): - check = canned_elasticsearch(task_vars_config_base, lambda *_: json.dumps(es_node_list)) + check = canned_elasticsearch(task_vars_config_base, lambda *args, **_: json.dumps(es_node_list)) assert not check.check_elasticsearch_node_list(pods_by_name([plain_es_pod])) @@ -151,13 +151,13 @@ def test_check_elasticsearch_node_list(): ), ]) def test_check_elasticsearch_node_list_errors(pods, node_list, expect_error): - check = canned_elasticsearch(task_vars_config_base, lambda cmd, args: json.dumps(node_list)) + check = canned_elasticsearch(task_vars_config_base, lambda cmd, args, **_: json.dumps(node_list)) assert_error_in_list(expect_error, check.check_elasticsearch_node_list(pods_by_name(pods))) def test_check_elasticsearch_cluster_health(): test_health_data = [{"status": "green"}] - check = canned_elasticsearch(exec_oc=lambda *_: json.dumps(test_health_data.pop(0))) + check = canned_elasticsearch(exec_oc=lambda *args, **_: json.dumps(test_health_data.pop(0))) assert not check.check_es_cluster_health(pods_by_name([plain_es_pod])) @@ -175,12 +175,12 @@ def test_check_elasticsearch_cluster_health(): ]) def test_check_elasticsearch_cluster_health_errors(pods, health_data, expect_error): test_health_data = list(health_data) - check = canned_elasticsearch(exec_oc=lambda *_: json.dumps(test_health_data.pop(0))) + check = canned_elasticsearch(exec_oc=lambda *args, **_: json.dumps(test_health_data.pop(0))) assert_error_in_list(expect_error, check.check_es_cluster_health(pods_by_name(pods))) def test_check_elasticsearch_diskspace(): - check = canned_elasticsearch(exec_oc=lambda *_: 'IUse% Use%\n 3% 4%\n') + check = canned_elasticsearch(exec_oc=lambda *args, **_: 'IUse% Use%\n 3% 4%\n') assert not check.check_elasticsearch_diskspace(pods_by_name([plain_es_pod])) @@ -199,5 +199,5 @@ def test_check_elasticsearch_diskspace(): ), ]) def test_check_elasticsearch_diskspace_errors(disk_data, expect_error): - check = canned_elasticsearch(exec_oc=lambda *_: disk_data) + check = canned_elasticsearch(exec_oc=lambda *args, **_: disk_data) assert_error_in_list(expect_error, check.check_elasticsearch_diskspace(pods_by_name([plain_es_pod]))) diff --git a/roles/openshift_health_checker/test/logging_index_time_test.py b/roles/openshift_health_checker/test/logging_index_time_test.py index 22566b295..c48ade9b8 100644 --- a/roles/openshift_health_checker/test/logging_index_time_test.py +++ b/roles/openshift_health_checker/test/logging_index_time_test.py @@ -102,7 +102,7 @@ def test_with_running_pods(): ), ], ids=lambda argval: argval[0]) def test_wait_until_cmd_or_err_succeeds(name, json_response, uuid, timeout): - check = canned_loggingindextime(lambda *_: json.dumps(json_response)) + check = canned_loggingindextime(lambda *args, **_: json.dumps(json_response)) check.wait_until_cmd_or_err(plain_running_elasticsearch_pod, uuid, timeout) @@ -131,7 +131,7 @@ def test_wait_until_cmd_or_err_succeeds(name, json_response, uuid, timeout): ) ], ids=lambda argval: argval[0]) def test_wait_until_cmd_or_err(name, json_response, timeout, expect_error): - check = canned_loggingindextime(lambda *_: json.dumps(json_response)) + check = canned_loggingindextime(lambda *args, **_: json.dumps(json_response)) with pytest.raises(OpenShiftCheckException) as error: check.wait_until_cmd_or_err(plain_running_elasticsearch_pod, SAMPLE_UUID, timeout) @@ -139,7 +139,7 @@ def test_wait_until_cmd_or_err(name, json_response, timeout, expect_error): def test_curl_kibana_with_uuid(): - check = canned_loggingindextime(lambda *_: json.dumps({"statusCode": 404})) + check = canned_loggingindextime(lambda *args, **_: json.dumps({"statusCode": 404})) check.generate_uuid = lambda: SAMPLE_UUID assert SAMPLE_UUID == check.curl_kibana_with_uuid(plain_running_kibana_pod) @@ -161,7 +161,7 @@ def test_curl_kibana_with_uuid(): ), ], ids=lambda argval: argval[0]) def test_failed_curl_kibana_with_uuid(name, json_response, expect_error): - check = canned_loggingindextime(lambda *_: json.dumps(json_response)) + check = canned_loggingindextime(lambda *args, **_: json.dumps(json_response)) check.generate_uuid = lambda: SAMPLE_UUID with pytest.raises(OpenShiftCheckException) as error: diff --git a/roles/openshift_health_checker/test/openshift_check_test.py b/roles/openshift_health_checker/test/openshift_check_test.py index 789784c77..bc0c3b26c 100644 --- a/roles/openshift_health_checker/test/openshift_check_test.py +++ b/roles/openshift_health_checker/test/openshift_check_test.py @@ -106,13 +106,40 @@ def test_get_var_convert(task_vars, keys, convert, expected): assert dummy_check(task_vars).get_var(*keys, convert=convert) == expected -@pytest.mark.parametrize("keys, convert", [ - (("bar", "baz"), int), - (("bar.baz"), float), - (("foo"), "bogus"), - (("foo"), lambda a, b: 1), - (("foo"), lambda a: 1 / 0), +def convert_oscexc(_): + raise OpenShiftCheckException("known failure") + + +def convert_exc(_): + raise Exception("failure unknown") + + +@pytest.mark.parametrize("keys, convert, expect_text", [ + (("bar", "baz"), int, "Cannot convert"), + (("bar.baz",), float, "Cannot convert"), + (("foo",), "bogus", "TypeError"), + (("foo",), lambda a, b: 1, "TypeError"), + (("foo",), lambda a: 1 / 0, "ZeroDivisionError"), + (("foo",), convert_oscexc, "known failure"), + (("foo",), convert_exc, "failure unknown"), ]) -def test_get_var_convert_error(task_vars, keys, convert): - with pytest.raises(OpenShiftCheckException): +def test_get_var_convert_error(task_vars, keys, convert, expect_text): + with pytest.raises(OpenShiftCheckException) as excinfo: dummy_check(task_vars).get_var(*keys, convert=convert) + assert expect_text in str(excinfo.value) + + +def test_register(task_vars): + check = dummy_check(task_vars) + + check.register_failure(OpenShiftCheckException("spam")) + assert "spam" in str(check.failures[0]) + + with pytest.raises(OpenShiftCheckException) as excinfo: + check.register_file("spam") # no file contents specified + assert "not specified" in str(excinfo.value) + + # normally execute_module registers the result file; test disabling that + check._execute_module = lambda *args, **_: dict() + check.execute_module("eggs", module_args={}, register=False) + assert not check.files_to_save diff --git a/roles/openshift_health_checker/test/ovs_version_test.py b/roles/openshift_health_checker/test/ovs_version_test.py index e1bf29d2a..602f32989 100644 --- a/roles/openshift_health_checker/test/ovs_version_test.py +++ b/roles/openshift_health_checker/test/ovs_version_test.py @@ -50,7 +50,7 @@ def test_ovs_package_version(openshift_release, expected_ovs_version): openshift_release=openshift_release, openshift_image_tag='v' + openshift_release, ) - return_value = object() + return_value = {} # note: check.execute_module modifies return hash contents def execute_module(module_name=None, module_args=None, *_): assert module_name == 'rpm_version' diff --git a/roles/openshift_health_checker/test/package_availability_test.py b/roles/openshift_health_checker/test/package_availability_test.py index 8aa87ca59..b34e8fbfc 100644 --- a/roles/openshift_health_checker/test/package_availability_test.py +++ b/roles/openshift_health_checker/test/package_availability_test.py @@ -49,7 +49,7 @@ def test_is_active(pkg_mgr, is_containerized, is_active): ), ]) def test_package_availability(task_vars, must_have_packages, must_not_have_packages): - return_value = object() + return_value = {} def execute_module(module_name=None, module_args=None, *_): assert module_name == 'check_yum_update' diff --git a/roles/openshift_health_checker/test/package_update_test.py b/roles/openshift_health_checker/test/package_update_test.py index 7d9035a36..85d3c9cab 100644 --- a/roles/openshift_health_checker/test/package_update_test.py +++ b/roles/openshift_health_checker/test/package_update_test.py @@ -2,7 +2,7 @@ from openshift_checks.package_update import PackageUpdate def test_package_update(): - return_value = object() + return_value = {} def execute_module(module_name=None, module_args=None, *_): assert module_name == 'check_yum_update' |