openstack/sunbeam-charms
Code Issues Proposed changes

Initial charm

Browse Source 
Initial charm generated by running
- git init
- charmcraft init
- cookie cutter code from charm-ops-sunbeam
This commit is contained in:
Hemanth Nakkina 2023-08-04 03:39:54 +05:30
commit df41decd82
25 changed files with 860 additions and 0 deletions
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venv/
build/
*.charm
.tox/
.coverage
__pycache__/
*.py[cod]
.idea
.vscode/

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# Contributing
To make contributions to this charm, you'll need a working [development setup](https://juju.is/docs/sdk/dev-setup).
You can create an environment for development with `tox`:
```shell
tox devenv -e integration
source venv/bin/activate
```
## Testing
This project uses `tox` for managing test environments. There are some pre-configured environments
that can be used for linting and formatting code when you're preparing contributions to the charm:
```shell
tox run -e format # update your code according to linting rules
tox run -e lint # code style
tox run -e static # static type checking
tox run -e unit # unit tests
tox run -e integration # integration tests
tox # runs 'format', 'lint', 'static', and 'unit' environments
```
## Build the charm
Build the charm in this git repository using:
```shell
charmcraft pack
```
<!-- You may want to include any contribution/style guidelines in this document>

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<!--
Avoid using this README file for information that is maintained or published elsewhere, e.g.:
* metadata.yaml > published on Charmhub
* documentation > published on (or linked to from) Charmhub
* detailed contribution guide > documentation or CONTRIBUTING.md
Use links instead.
-->
# gnocchi-k8s
Charmhub package name: operator-template
More information: https://charmhub.io/gnocchi-k8s
Describe your charm in one or two sentences.
## Other resources
<!-- If your charm is documented somewhere else other than Charmhub, provide a link separately. -->
- [Read more](https://example.com)
- [Contributing](CONTRIBUTING.md) <!-- or link to other contribution documentation -->
- See the [Juju SDK documentation](https://juju.is/docs/sdk) for more information about developing and improving charms.

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# NOTE: no actions yet!
{ }

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type: "charm"
bases:
- build-on:
- name: "ubuntu"
channel: "22.04"
run-on:
- name: "ubuntu"
channel: "22.04"
parts:
charm:
build-packages:
- git
- libffi-dev
- libssl-dev
charm-binary-python-packages:
- cryptography
- jsonschema
- jinja2
- git+https://opendev.org/openstack/charm-ops-sunbeam#egg=ops_sunbeam

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options:
debug:
default: False
description: Enable debug logging.
type: boolean
os-admin-hostname:
default: glance.juju
description: |
The hostname or address of the admin endpoints that should be advertised
in the glance image provider.
type: string
os-internal-hostname:
default: glance.juju
description: |
The hostname or address of the internal endpoints that should be advertised
in the glance image provider.
type: string
os-public-hostname:
default: glance.juju
description: |
The hostname or address of the internal endpoints that should be advertised
in the glance image provider.
type: string
region:
default: RegionOne
description: Space delimited list of OpenStack regions
type: string

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name: gnocchi-k8s
summary: OpenStack gnocchi service
maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
description: |
OpenStack gnocchi provides an HTTP service for managing, selecting,
and claiming providers of classes of inventory representing available
resources in a cloud.
.
version: 3
bases:
- name: ubuntu
channel: 20.04/stable
tags:
- openstack
containers:
gnocchi-api:
resource: gnocchi-api-image
resources:
gnocchi-api-image:
type: oci-image
description: OCI image for OpenStack gnocchi
requires:
database:
interface: mysql_client
limit: 1
identity-service:
interface: keystone
ingress-internal:
interface: ingress
optional: true
limit: 1
ingress-public:
interface: ingress
limit: 1
amqp:
interface: rabbitmq
provides:
gnocchi:
interface: gnocchi
peers:
peers:
interface: gnocchi-peer

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# Testing tools configuration
[tool.coverage.run]
branch = true
[tool.coverage.report]
show_missing = true
[tool.pytest.ini_options]
minversion = "6.0"
log_cli_level = "INFO"
# Formatting tools configuration
[tool.black]
line-length = 99
target-version = ["py38"]
# Linting tools configuration
[tool.ruff]
line-length = 99
select = ["E", "W", "F", "C", "N", "D", "I001"]
extend-ignore = [
"D203",
"D204",
"D213",
"D215",
"D400",
"D404",
"D406",
"D407",
"D408",
"D409",
"D413",
]
ignore = ["E501", "D107"]
extend-exclude = ["__pycache__", "*.egg_info"]
per-file-ignores = {"tests/*" = ["D100","D101","D102","D103","D104"]}
[tool.ruff.mccabe]
max-complexity = 10
[tool.codespell]
skip = "build,lib,venv,icon.svg,.tox,.git,.mypy_cache,.ruff_cache,.coverage"
[tool.pyright]
include = ["src/**.py"]

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ops
jinja2
git+https://github.com/openstack/charm-ops-sunbeam#egg=ops_sunbeam
lightkube
# These are only needeed if the charm relates to ceph
git+https://github.com/openstack/charm-ops-interface-ceph-client#egg=interface_ceph_client
# Charmhelpers is only present as interface_ceph_client uses it.
git+https://github.com/juju/charm-helpers.git#egg=charmhelpers

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#!/usr/bin/env python3
"""Gnocchi Operator Charm.
This charm provide Gnocchi services as part of an OpenStack deployment
"""
import logging
from ops.framework import StoredState
from ops.main import main
import ops_sunbeam.charm as sunbeam_charm
logger = logging.getLogger(__name__)
class GnocchiOperatorCharm(sunbeam_charm.OSBaseOperatorAPICharm):
"""Charm the service."""
_state = StoredState()
service_name = "gnocchi-api"
wsgi_admin_script = '/usr/bin/gnocchi-api-wsgi'
wsgi_public_script = '/usr/bin/gnocchi-api-wsgi'
db_sync_cmds = [
['/snap/bin/gnocchi.upgrade', '--log-file=/var/snap/gnocchi/common/log/gnocchi-upgrade.log']
]
@property
def service_conf(self) -> str:
"""Service default configuration file."""
return f"/etc/gnocchi/gnocchi.conf"
@property
def service_user(self) -> str:
"""Service user file and directory ownership."""
return 'gnocchi'
@property
def service_group(self) -> str:
"""Service group file and directory ownership."""
return 'gnocchi'
@property
def service_endpoints(self):
return [
{
'service_name': 'gnocchi',
'type': 'gnocchi',
'description': "OpenStack Gnocchi API",
'internal_url': f'{self.internal_url}',
'public_url': f'{self.public_url}',
'admin_url': f'{self.admin_url}'}]
@property
def default_public_ingress_port(self):
return 8041
if __name__ == "__main__":
main(GnocchiOperatorCharm)

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###############################################################################
# [ WARNING ]
# ceph configuration file maintained in aso
# local changes may be overwritten.
###############################################################################
[global]
{% if ceph.auth -%}
auth_supported = {{ ceph.auth }}
mon host = {{ ceph.mon_hosts }}
{% endif -%}
keyring = /etc/ceph/$cluster.$name.keyring
log to syslog = false
err to syslog = false
clog to syslog = false
{% if ceph.rbd_features %}
rbd default features = {{ ceph.rbd_features }}
{% endif %}
[client]
{% if ceph_config.rbd_default_data_pool -%}
rbd default data pool = {{ ceph_config.rbd_default_data_pool }}
{% endif %}

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{% if database.connection -%}
connection = {{ database.connection }}
{% endif -%}

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{% if identity_service.internal_host -%}
www_authenticate_uri = {{ identity_service.internal_protocol }}://{{ identity_service.internal_host }}:{{ identity_service.internal_port }}
auth_url = {{ identity_service.internal_protocol }}://{{ identity_service.internal_host }}:{{ identity_service.internal_port }}
auth_type = password
project_domain_name = {{ identity_service.service_domain_name }}
user_domain_name = {{ identity_service.service_domain_name }}
project_name = {{ identity_service.service_project_name }}
username = {{ identity_service.service_user_name }}
password = {{ identity_service.service_password }}
{% endif -%}

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[database]
{% include "parts/database-connection" %}
connection_recycle_time = 200

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{% if trusted_dashboards %}
[federation]
{% for dashboard_url in trusted_dashboards -%}
trusted_dashboard = {{ dashboard_url }}
{% endfor -%}
{% endif %}
{% for sp in fid_sps -%}
[{{ sp['protocol-name'] }}]
remote_id_attribute = {{ sp['remote-id-attribute'] }}
{% endfor -%}

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[keystone_authtoken]
{% include "parts/identity-data" %}

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{% for section in sections -%}
[{{section}}]
{% for key, value in sections[section].items() -%}
{{ key }} = {{ value }}
{% endfor %}
{%- endfor %}

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{% if enable_signing -%}
[signing]
{% if certfile -%}
certfile = {{ certfile }}
{% endif -%}
{% if keyfile -%}
keyfile = {{ keyfile }}
{% endif -%}
{% if ca_certs -%}
ca_certs = {{ ca_certs }}
{% endif -%}
{% if ca_key -%}
ca_key = {{ ca_key }}
{% endif -%}
{% endif -%}

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Listen {{ wsgi_config.public_port }}
<VirtualHost *:{{ wsgi_config.public_port }}>
WSGIDaemonProcess {{ wsgi_config.group }} processes=3 threads=1 user={{ wsgi_config.user }} group={{ wsgi_config.group }} \
display-name=%{GROUP}
WSGIProcessGroup {{ wsgi_config.group }}
{% if ingress_internal.ingress_path -%}
WSGIScriptAlias {{ ingress_internal.ingress_path }} {{ wsgi_config.wsgi_public_script }}
{% endif -%}
WSGIScriptAlias / {{ wsgi_config.wsgi_public_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
ErrorLog {{ wsgi_config.error_log }}
CustomLog {{ wsgi_config.custom_log }} combined
<Directory /usr/bin>
<IfVersion >= 2.4>
Require all granted
</IfVersion>
<IfVersion < 2.4>
Order allow,deny
Allow from all
</IfVersion>
</Directory>
</VirtualHost>

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Listen {{ wsgi_config.public_port }}
<VirtualHost *:{{ wsgi_config.public_port }}>
WSGIDaemonProcess {{ wsgi_config.group }} processes=3 threads=1 user={{ wsgi_config.user }} group={{ wsgi_config.group }} \
display-name=%{GROUP}
WSGIProcessGroup {{ wsgi_config.group }}
{% if ingress_internal.ingress_path -%}
WSGIScriptAlias {{ ingress_internal.ingress_path }} {{ wsgi_config.wsgi_public_script }}
{% endif -%}
WSGIScriptAlias / {{ wsgi_config.wsgi_public_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
ErrorLog {{ wsgi_config.error_log }}
CustomLog {{ wsgi_config.custom_log }} combined
<Directory /usr/bin>
<IfVersion >= 2.4>
Require all granted
</IfVersion>
<IfVersion < 2.4>
Order allow,deny
Allow from all
</IfVersion>
</Directory>
</VirtualHost>

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# This file is managed centrally. If you find the need to modify this as a
# one-off, please don't. Intead, consult #openstack-charms and ask about
# requirements management in charms via bot-control. Thank you.
charm-tools>=2.4.4
coverage>=3.6
mock>=1.2
flake8>=2.2.4,<=2.4.1
pyflakes==2.1.1
stestr>=2.2.0
requests>=2.18.4
psutil
# oslo.i18n dropped py35 support
oslo.i18n<4.0.0
git+https://github.com/openstack-charmers/zaza.git#egg=zaza
git+https://github.com/openstack-charmers/zaza-openstack-tests.git#egg=zaza.openstack
pytz # workaround for 14.04 pip/tox
pyudev # for ceph-* charm unit tests (not mocked?)

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#!/usr/bin/env python3
# Copyright 2023 Canonical Ltd.
# See LICENSE file for licensing details.
import asyncio
import logging
from pathlib import Path
import pytest
import yaml
from pytest_operator.plugin import OpsTest
logger = logging.getLogger(__name__)
METADATA = yaml.safe_load(Path("./metadata.yaml").read_text())
APP_NAME = METADATA["name"]
@pytest.mark.abort_on_fail
async def test_build_and_deploy(ops_test: OpsTest):
"""Build the charm-under-test and deploy it together with related charms.
Assert on the unit status before any relations/configurations take place.
"""
# Build and deploy charm from local source folder
charm = await ops_test.build_charm(".")
resources = {"httpbin-image": METADATA["resources"]["httpbin-image"]["upstream-source"]}
# Deploy the charm and wait for active/idle status
await asyncio.gather(
ops_test.model.deploy(charm, resources=resources, application_name=APP_NAME),
ops_test.model.wait_for_idle(
apps=[APP_NAME], status="active", raise_on_blocked=True, timeout=1000
),
)

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# Copyright 2023 Canonical Ltd.
# See LICENSE file for licensing details.
#
# Learn more about testing at: https://juju.is/docs/sdk/testing
import unittest
import ops
import ops.testing
from charm import GnocchiK8SCharm
class TestCharm(unittest.TestCase):
def setUp(self):
self.harness = ops.testing.Harness(GnocchiK8SCharm)
self.addCleanup(self.harness.cleanup)
self.harness.begin()
def test_httpbin_pebble_ready(self):
# Expected plan after Pebble ready with default config
expected_plan = {
"services": {
"httpbin": {
"override": "replace",
"summary": "httpbin",
"command": "gunicorn -b 0.0.0.0:80 httpbin:app -k gevent",
"startup": "enabled",
"environment": {"GUNICORN_CMD_ARGS": "--log-level info"},
}
},
}
# Simulate the container coming up and emission of pebble-ready event
self.harness.container_pebble_ready("httpbin")
# Get the plan now we've run PebbleReady
updated_plan = self.harness.get_container_pebble_plan("httpbin").to_dict()
# Check we've got the plan we expected
self.assertEqual(expected_plan, updated_plan)
# Check the service was started
service = self.harness.model.unit.get_container("httpbin").get_service("httpbin")
self.assertTrue(service.is_running())
# Ensure we set an ActiveStatus with no message
self.assertEqual(self.harness.model.unit.status, ops.ActiveStatus())
def test_config_changed_valid_can_connect(self):
# Ensure the simulated Pebble API is reachable
self.harness.set_can_connect("httpbin", True)
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "debug"})
# Get the plan now we've run PebbleReady
updated_plan = self.harness.get_container_pebble_plan("httpbin").to_dict()
updated_env = updated_plan["services"]["httpbin"]["environment"]
# Check the config change was effective
self.assertEqual(updated_env, {"GUNICORN_CMD_ARGS": "--log-level debug"})
self.assertEqual(self.harness.model.unit.status, ops.ActiveStatus())
def test_config_changed_valid_cannot_connect(self):
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "debug"})
# Check the charm is in WaitingStatus
self.assertIsInstance(self.harness.model.unit.status, ops.WaitingStatus)
def test_config_changed_invalid(self):
# Ensure the simulated Pebble API is reachable
self.harness.set_can_connect("httpbin", True)
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "foobar"})
# Check the charm is in BlockedStatus
self.assertIsInstance(self.harness.model.unit.status, ops.BlockedStatus)

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# Operator charm (with zaza): tox.ini
[tox]
envlist = pep8,py3
skipsdist = True
# NOTE: Avoid build/test env pollution by not enabling sitepackages.
sitepackages = False
# NOTE: Avoid false positives by not skipping missing interpreters.
skip_missing_interpreters = False
# NOTES:
# * We avoid the new dependency resolver by pinning pip < 20.3, see
# https://github.com/pypa/pip/issues/9187
# * Pinning dependencies requires tox >= 3.2.0, see
# https://tox.readthedocs.io/en/latest/config.html#conf-requires
# * It is also necessary to pin virtualenv as a newer virtualenv would still
# lead to fetching the latest pip in the func* tox targets, see
# https://stackoverflow.com/a/38133283
requires = pip < 20.3
virtualenv < 20.0
# NOTE: https://wiki.canonical.com/engineering/OpenStack/InstallLatestToxOnOsci
minversion = 3.2.0
[testenv]
setenv = VIRTUAL_ENV={envdir}
PYTHONHASHSEED=0
CHARM_DIR={envdir}
install_command =
pip install {opts} {packages}
commands = stestr run --slowest {posargs}
whitelist_externals =
git
add-to-archive.py
bash
charmcraft
passenv = HOME TERM CS_* OS_* TEST_*
deps = -r{toxinidir}/test-requirements.txt
[testenv:py35]
basepython = python3.5
# python3.5 is irrelevant on a focal+ charm.
commands = /bin/true
[testenv:py36]
basepython = python3.6
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
[testenv:py37]
basepython = python3.7
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
[testenv:py38]
basepython = python3.8
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
[testenv:py3]
basepython = python3
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
[testenv:pep8]
basepython = python3
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
commands = flake8 {posargs} src unit_tests tests
[testenv:cover]
# Technique based heavily upon
# https://github.com/openstack/nova/blob/master/tox.ini
basepython = python3
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
setenv =
{[testenv]setenv}
PYTHON=coverage run
commands =
coverage erase
stestr run --slowest {posargs}
coverage combine
coverage html -d cover
coverage xml -o cover/coverage.xml
coverage report
[coverage:run]
branch = True
concurrency = multiprocessing
parallel = True
source =
.
omit =
.tox/*
*/charmhelpers/*
unit_tests/*
[testenv:venv]
basepython = python3
commands = {posargs}
[testenv:build]
basepython = python3
deps = -r{toxinidir}/build-requirements.txt
commands =
charmcraft build
[testenv:func-noop]
basepython = python3
commands =
functest-run-suite --help
[testenv:func]
basepython = python3
commands =
functest-run-suite --keep-model
[testenv:func-smoke]
basepython = python3
commands =
functest-run-suite --keep-model --smoke
[testenv:func-dev]
basepython = python3
commands =
functest-run-suite --keep-model --dev
[testenv:func-target]
basepython = python3
commands =
functest-run-suite --keep-model --bundle {posargs}
[flake8]
# Ignore E902 because the unit_tests directory is missing in the built charm.
ignore = E402,E226,E902