diff --git a/error_reporting/fluent_on_compute/README.md b/error_reporting/fluent_on_compute/README.md new file mode 100644 index 000000000000..d3a58c167d82 --- /dev/null +++ b/error_reporting/fluent_on_compute/README.md @@ -0,0 +1,35 @@ +# Google Error Reorting Samples Samples + +[![Open in Cloud Shell][shell_img]][shell_link] + +[shell_img]: http://gstatic.com/cloudssh/images/open-btn.png +[shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=error_reporting/fluent_on_compute/README.md + +This section contains samples for [Google Cloud Error Reporting](https://cloud.google.com/error-reporting). + +A startup script has been provided to demonstrated how to properly provision a GCE +instance with fluentd configured. Note the intallation of fluentd, the addition of the config file, + and the restarting of the fluetnd service. You can start an instance using +it like this: + + gcloud compute instances create example-instance --metadata-from-file startup-script=startup_script.sh + +or simply use it as reference when creating your own instance. + +After fluentd is configured, main.py could be used to simulate an error: + + gcloud compute copy-files main.py example-instance:~/main.py + +Then, + + gcloud compute ssh example-instance + python ~/main.py + +And you will see the message in the Errors Console. + + +These samples are used on the following documentation page: + +> https://cloud.google.com/error-reporting/docs/setting-up-on-compute-engine + + diff --git a/error_reporting/fluent_on_compute/main.py b/error_reporting/fluent_on_compute/main.py new file mode 100644 index 000000000000..45208c913ac5 --- /dev/null +++ b/error_reporting/fluent_on_compute/main.py @@ -0,0 +1,42 @@ +# Copyright 2016 Google Inc. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# [START error_reporting] +import traceback + +import fluent.event +import fluent.sender + + +def simulate_error(): + fluent.sender.setup('myapp', host='localhost', port=24224) + + def report(ex): + data = {} + data['message'] = '{0}'.format(ex) + data['serviceContext'] = {'service': 'myapp'} + # ... add more metadata + fluent.event.Event('errors', data) + + # report exception data using: + try: + # simulate calling a method that's not defined + raise NameError + except Exception: + report(traceback.format_exc()) +# [END error_reporting] + + +if __name__ == '__main__': + simulate_error() diff --git a/error_reporting/fluent_on_compute/main_test.py b/error_reporting/fluent_on_compute/main_test.py new file mode 100644 index 000000000000..11a24d035438 --- /dev/null +++ b/error_reporting/fluent_on_compute/main_test.py @@ -0,0 +1,23 @@ +# Copyright 2016 Google Inc. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import mock + +import main + + +@mock.patch("fluent.event") +def test_error_sends(event_mock): + main.simulate_error() + event_mock.Event.assert_called_once_with(mock.ANY, mock.ANY) diff --git a/error_reporting/fluent_on_compute/noxfile.py b/error_reporting/fluent_on_compute/noxfile.py new file mode 100644 index 000000000000..ba55d7ce53ca --- /dev/null +++ b/error_reporting/fluent_on_compute/noxfile.py @@ -0,0 +1,224 @@ +# Copyright 2019 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from __future__ import print_function + +import os +from pathlib import Path +import sys + +import nox + + +# WARNING - WARNING - WARNING - WARNING - WARNING +# WARNING - WARNING - WARNING - WARNING - WARNING +# DO NOT EDIT THIS FILE EVER! +# WARNING - WARNING - WARNING - WARNING - WARNING +# WARNING - WARNING - WARNING - WARNING - WARNING + +# Copy `noxfile_config.py` to your directory and modify it instead. + + +# `TEST_CONFIG` dict is a configuration hook that allows users to +# modify the test configurations. The values here should be in sync +# with `noxfile_config.py`. Users will copy `noxfile_config.py` into +# their directory and modify it. + +TEST_CONFIG = { + # You can opt out from the test for specific Python versions. + 'ignored_versions': ["2.7"], + + # An envvar key for determining the project id to use. Change it + # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a + # build specific Cloud project. You can also use your own string + # to use your own Cloud project. + 'gcloud_project_env': 'GOOGLE_CLOUD_PROJECT', + # 'gcloud_project_env': 'BUILD_SPECIFIC_GCLOUD_PROJECT', + + # A dictionary you want to inject into your test. Don't put any + # secrets here. These values will override predefined values. + 'envs': {}, +} + + +try: + # Ensure we can import noxfile_config in the project's directory. + sys.path.append('.') + from noxfile_config import TEST_CONFIG_OVERRIDE +except ImportError as e: + print("No user noxfile_config found: detail: {}".format(e)) + TEST_CONFIG_OVERRIDE = {} + +# Update the TEST_CONFIG with the user supplied values. +TEST_CONFIG.update(TEST_CONFIG_OVERRIDE) + + +def get_pytest_env_vars(): + """Returns a dict for pytest invocation.""" + ret = {} + + # Override the GCLOUD_PROJECT and the alias. + env_key = TEST_CONFIG['gcloud_project_env'] + # This should error out if not set. + ret['GOOGLE_CLOUD_PROJECT'] = os.environ[env_key] + + # Apply user supplied envs. + ret.update(TEST_CONFIG['envs']) + return ret + + +# DO NOT EDIT - automatically generated. +# All versions used to tested samples. +ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8"] + +# Any default versions that should be ignored. +IGNORED_VERSIONS = TEST_CONFIG['ignored_versions'] + +TESTED_VERSIONS = sorted([v for v in ALL_VERSIONS if v not in IGNORED_VERSIONS]) + +INSTALL_LIBRARY_FROM_SOURCE = bool(os.environ.get("INSTALL_LIBRARY_FROM_SOURCE", False)) +# +# Style Checks +# + + +def _determine_local_import_names(start_dir): + """Determines all import names that should be considered "local". + + This is used when running the linter to insure that import order is + properly checked. + """ + file_ext_pairs = [os.path.splitext(path) for path in os.listdir(start_dir)] + return [ + basename + for basename, extension in file_ext_pairs + if extension == ".py" + or os.path.isdir(os.path.join(start_dir, basename)) + and basename not in ("__pycache__") + ] + + +# Linting with flake8. +# +# We ignore the following rules: +# E203: whitespace before ‘:’ +# E266: too many leading ‘#’ for block comment +# E501: line too long +# I202: Additional newline in a section of imports +# +# We also need to specify the rules which are ignored by default: +# ['E226', 'W504', 'E126', 'E123', 'W503', 'E24', 'E704', 'E121'] +FLAKE8_COMMON_ARGS = [ + "--show-source", + "--builtin=gettext", + "--max-complexity=20", + "--import-order-style=google", + "--exclude=.nox,.cache,env,lib,generated_pb2,*_pb2.py,*_pb2_grpc.py", + "--ignore=E121,E123,E126,E203,E226,E24,E266,E501,E704,W503,W504,I202", + "--max-line-length=88", +] + + +@nox.session +def lint(session): + session.install("flake8", "flake8-import-order") + + local_names = _determine_local_import_names(".") + args = FLAKE8_COMMON_ARGS + [ + "--application-import-names", + ",".join(local_names), + "." + ] + session.run("flake8", *args) + + +# +# Sample Tests +# + + +PYTEST_COMMON_ARGS = ["--junitxml=sponge_log.xml"] + + +def _session_tests(session, post_install=None): + """Runs py.test for a particular project.""" + if os.path.exists("requirements.txt"): + session.install("-r", "requirements.txt") + + if os.path.exists("requirements-test.txt"): + session.install("-r", "requirements-test.txt") + + if INSTALL_LIBRARY_FROM_SOURCE: + session.install("-e", _get_repo_root()) + + if post_install: + post_install(session) + + session.run( + "pytest", + *(PYTEST_COMMON_ARGS + session.posargs), + # Pytest will return 5 when no tests are collected. This can happen + # on travis where slow and flaky tests are excluded. + # See http://doc.pytest.org/en/latest/_modules/_pytest/main.html + success_codes=[0, 5], + env=get_pytest_env_vars() + ) + + +@nox.session(python=ALL_VERSIONS) +def py(session): + """Runs py.test for a sample using the specified version of Python.""" + if session.python in TESTED_VERSIONS: + _session_tests(session) + else: + session.skip("SKIPPED: {} tests are disabled for this sample.".format( + session.python + )) + + +# +# Readmegen +# + + +def _get_repo_root(): + """ Returns the root folder of the project. """ + # Get root of this repository. Assume we don't have directories nested deeper than 10 items. + p = Path(os.getcwd()) + for i in range(10): + if p is None: + break + if Path(p / ".git").exists(): + return str(p) + p = p.parent + raise Exception("Unable to detect repository root.") + + +GENERATED_READMES = sorted([x for x in Path(".").rglob("*.rst.in")]) + + +@nox.session +@nox.parametrize("path", GENERATED_READMES) +def readmegen(session, path): + """(Re-)generates the readme for a sample.""" + session.install("jinja2", "pyyaml") + dir_ = os.path.dirname(path) + + if os.path.exists(os.path.join(dir_, "requirements.txt")): + session.install("-r", os.path.join(dir_, "requirements.txt")) + + in_file = os.path.join(dir_, "README.rst.in") + session.run( + "python", _get_repo_root() + "/scripts/readme-gen/readme_gen.py", in_file + ) diff --git a/error_reporting/fluent_on_compute/requirements-test.txt b/error_reporting/fluent_on_compute/requirements-test.txt new file mode 100644 index 000000000000..2466e25087c6 --- /dev/null +++ b/error_reporting/fluent_on_compute/requirements-test.txt @@ -0,0 +1,2 @@ +pytest==6.0.1 +mock==4.0.2 diff --git a/error_reporting/fluent_on_compute/requirements.txt b/error_reporting/fluent_on_compute/requirements.txt new file mode 100644 index 000000000000..d1c2863f99a0 --- /dev/null +++ b/error_reporting/fluent_on_compute/requirements.txt @@ -0,0 +1 @@ +fluent-logger==0.9.6 diff --git a/error_reporting/fluent_on_compute/startup_script.sh b/error_reporting/fluent_on_compute/startup_script.sh new file mode 100644 index 000000000000..f2ef895dcfdc --- /dev/null +++ b/error_reporting/fluent_on_compute/startup_script.sh @@ -0,0 +1,35 @@ +#!/usr/bin/env bash +# Copyright 2016 Google Inc. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -v + +curl -sSO "https://dl.google.com/cloudagents/install-logging-agent.sh" +chmod +x install-logging-agent.sh +./install-logging-agent.sh +mkdir -p /etc/google-fluentd/config.d/ +cat < /etc/google-fluentd/config.d/forward.conf + + type forward + port 24224 + +EOF +service google-fluentd restart + +apt-get update +apt-get install -yq \ + git build-essential supervisor python python-dev python-pip libffi-dev \ + libssl-dev +pip install fluent-logger +