opendev/grafyaml
Code Issues Proposed changes

Merge "Add a slug to better track dashboards"

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This commit is contained in:
Jenkins 2015-09-30 15:32:59 +00:00 committed by Gerrit Code Review
commit 001d109c0e
17 changed files with 310 additions and 175 deletions
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10
grafana_dashboards/builder.py
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@ -16,7 +16,6 @@ from oslo_config import cfg
from grafana_dashboards.grafana import Grafana
from grafana_dashboards.parser import YamlParser
from grafana_dashboards.schema.dashboard import Dashboard
grafana_opts = [
cfg.StrOpt(
@ -42,7 +41,8 @@ class Builder(object):
self.parser = YamlParser()
def update_dashboard(self, path):
data = self.parser.load(path)
schema = Dashboard()
result = schema.validate(data)
self.grafana.create_dashboard(result, overwrite=True)
self.parser.parse(path)
dashboards = self.parser.data.get('dashboard', {})
for item in dashboards:
data = self.parser.get_dashboard(item)
self.grafana.create_dashboard(data, overwrite=True)

7
grafana_dashboards/grafana.py
View File

@ -32,10 +32,13 @@ class Grafana(object):
})
def create_dashboard(self, data, overwrite=False):
data['overwrite'] = overwrite
dashboard = {
'dashboard': data,
'overwrite': overwrite,
}
headers = {
'Content-Type': 'application/json',
}
res = self.session.post(
self.url, data=json.dumps(data), headers=headers)
self.url, data=json.dumps(dashboard), headers=headers)
res.raise_for_status()

35
grafana_dashboards/parser.py
View File

@ -12,10 +12,41 @@
# License for the specific language governing permissions and limitations
# under the License.
import io
import yaml
from slugify import slugify
from grafana_dashboards.schema.dashboard import Dashboard
class YamlParser(object):
def load(self, path):
return yaml.safe_load(open(path))
def __init__(self):
self.data = {}
def get_dashboard(self, slug):
return self.data.get('dashboard', {}).get(slug, None)
def parse(self, fn):
with io.open(fn, 'r', encoding='utf-8') as fp:
self.parse_fp(fp)
def parse_fp(self, fp):
data = yaml.safe_load(fp)
result = self.validate(data)
for item in result.items():
group = self.data.get(item[0], {})
# Create slug to make it easier to find dashboards.
title = item[1]['title']
slug = slugify(title)
if slug in group:
raise Exception(
"Duplicate dashboard found in '{0}: '{1}' "
"already defined".format(fp.name, title))
group[slug] = item[1]
self.data[item[0]] = group
def validate(self, data):
schema = Dashboard()
return schema.validate(data)

1
requirements.txt
View File

@ -4,5 +4,6 @@
oslo.config>=1.11.0
oslo.log>=1.0.0,<1.1.0
python-slugify
PyYAML>=3.1.0
voluptuous>=0.7

8
tests/base.py
View File

@ -23,7 +23,6 @@ import re
import testtools
from grafana_dashboards.parser import YamlParser
from grafana_dashboards.schema import dashboard
def get_scenarios(fixtures_path, in_ext='yaml', out_ext='json'):
@ -50,7 +49,6 @@ def get_scenarios(fixtures_path, in_ext='yaml', out_ext='json'):
class TestCase(object):
"""Test case base class for all unit tests."""
parser = YamlParser()
def _read_raw_content(self):
# if None assume empty file
@ -62,11 +60,11 @@ class TestCase(object):
return content
def test_yaml_snippet(self):
parser = YamlParser()
expected_json = self._read_raw_content()
yaml_content = self.parser.load(self.in_filename)
parser.parse(self.in_filename)
valid_yaml = parser.data
schema = dashboard.Dashboard()
valid_yaml = schema.validate(yaml_content)
pretty_json = json.dumps(
valid_yaml, indent=4, separators=(',', ': '), sort_keys=True)

2
tests/fixtures/parser/dashboard-0001.yaml vendored Normal file
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@ -0,0 +1,2 @@
dashboard:
title: New dashboard

2
tests/fixtures/parser/dashboard-0002.yaml vendored Normal file
View File

@ -0,0 +1,2 @@
dashboard:
title: foobar

5
tests/fixtures/parser/dashboard-0003.yaml vendored Normal file
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@ -0,0 +1,5 @@
dashboard:
title: New dashboard
rows:
- title: New row
height: 250px

6
tests/schema/fixtures/dashboard-0001.json
View File

@ -1,6 +1,8 @@
{
"dashboard": {
"rows": [],
"title": "New dashboard"
"new-dashboard": {
"rows": [],
"title": "New dashboard"
}
}
}

24
tests/schema/fixtures/dashboard-0002.json
View File

@ -1,15 +1,17 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
}
}
}

48
tests/schema/fixtures/dashboard-0003.json
View File

@ -1,27 +1,29 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"editable": true,
"error": false,
"limit": 10,
"mode": "starred",
"query": "",
"span": 12,
"tag": "",
"title": "Starred Dashboards",
"type": "dashlist"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"editable": true,
"error": false,
"limit": 10,
"mode": "starred",
"query": "",
"span": 12,
"tag": "",
"title": "Starred Dashboards",
"type": "dashlist"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
}
}
}

44
tests/schema/fixtures/dashboard-0004.json
View File

@ -1,25 +1,27 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"content": "Some example text is required.",
"editable": true,
"error": false,
"mode": "markdown",
"span": 12,
"title": "no title (click here)",
"type": "text"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"content": "Some example text is required.",
"editable": true,
"error": false,
"mode": "markdown",
"span": 12,
"title": "no title (click here)",
"type": "text"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
}
}
}

64
tests/schema/fixtures/dashboard-0005.json
View File

@ -1,35 +1,37 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"bars": false,
"editable": true,
"error": false,
"fill": 1,
"lines": true,
"linewidth": 2,
"percentage": false,
"pointradius": 5,
"points": false,
"span": 12,
"stack": false,
"steppedLine": false,
"targets": [],
"title": "no title (click here)",
"type": "graph",
"x-axis": true,
"y-axis": true
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"bars": false,
"editable": true,
"error": false,
"fill": 1,
"lines": true,
"linewidth": 2,
"percentage": false,
"pointradius": 5,
"points": false,
"span": 12,
"stack": false,
"steppedLine": false,
"targets": [],
"title": "no title (click here)",
"type": "graph",
"x-axis": true,
"y-axis": true
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
}
}
}

64
tests/schema/fixtures/dashboard-0006.json
View File

@ -1,35 +1,37 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"colorBackground": false,
"colorValue": false,
"editable": true,
"error": false,
"maxDataPoints": 100,
"span": 12,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [],
"thresholds": "",
"title": "no title (click here)",
"type": "singlestat",
"valueName": "avg"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"colorBackground": false,
"colorValue": false,
"editable": true,
"error": false,
"maxDataPoints": 100,
"span": 12,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [],
"thresholds": "",
"title": "no title (click here)",
"type": "singlestat",
"valueName": "avg"
}
],
"showTitle": false,
"title": "New row"
}
],
"title": "New dashboard"
}
}
}

84
tests/schema/fixtures/dashboard-0007.json
View File

@ -1,45 +1,47 @@
{
"dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"editable": true,
"error": false,
"limit": 10,
"mode": "starred",
"query": "",
"span": 12,
"tag": "",
"title": "Starred Dashboards",
"type": "dashlist"
}
],
"showTitle": false,
"title": "foo"
},
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"content": "Some example text is required.",
"editable": true,
"error": false,
"mode": "markdown",
"span": 12,
"title": "no title (click here)",
"type": "text"
}
],
"showTitle": false,
"title": "bar"
}
],
"title": "New dashboard"
"new-dashboard": {
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"editable": true,
"error": false,
"limit": 10,
"mode": "starred",
"query": "",
"span": 12,
"tag": "",
"title": "Starred Dashboards",
"type": "dashlist"
}
],
"showTitle": false,
"title": "foo"
},
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"content": "Some example text is required.",
"editable": true,
"error": false,
"mode": "markdown",
"span": 12,
"title": "no title (click here)",
"type": "text"
}
],
"showTitle": false,
"title": "bar"
}
],
"title": "New dashboard"
}
}
}

78
tests/test_parser.py Normal file
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@ -0,0 +1,78 @@
# Copyright 2015 Red Hat, Inc.
#
# 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 os
from testtools import TestCase
from grafana_dashboards import parser
class TestCaseParser(TestCase):
def setUp(self):
super(TestCaseParser, self).setUp()
self.parser = parser.YamlParser()
def test_get_dashboard_empty(self):
self._get_empty_dashboard('foobar')
def test_parse_multiple(self):
path = os.path.join(
os.path.dirname(__file__), 'fixtures/parser/dashboard-0001.yaml')
self.parser.parse(path)
dashboard = {
'foobar': {'rows': [], 'title': 'foobar'},
'new-dashboard': {'rows': [], 'title': 'New dashboard'},
}
# Get parsed dashboard
res = self.parser.get_dashboard('new-dashboard')
self.assertEqual(res, dashboard['new-dashboard'])
# Check for a dashboard that does not exist
self._get_empty_dashboard('foobar')
# Parse another file to ensure we are appending data.
path = os.path.join(
os.path.dirname(__file__), 'fixtures/parser/dashboard-0002.yaml')
self.parser.parse(path)
res = self.parser.get_dashboard('foobar')
self.assertEqual(res, dashboard['foobar'])
# Ensure our first dashboard still exists.
res = self.parser.get_dashboard('new-dashboard')
self.assertEqual(res, dashboard['new-dashboard'])
def test_parse_duplicate(self):
path = os.path.join(
os.path.dirname(__file__), 'fixtures/parser/dashboard-0001.yaml')
self.parser.parse(path)
dashboard = {
'new-dashboard': {'rows': [], 'title': 'New dashboard'},
}
# Get parsed dashboard
res = self.parser.get_dashboard('new-dashboard')
self.assertEqual(res, dashboard['new-dashboard'])
path = os.path.join(
os.path.dirname(__file__), 'fixtures/parser/dashboard-0003.yaml')
# Fail to parse duplicate dashboard
self.assertRaises(Exception, self.parser.parse, path)
def _get_empty_dashboard(self, name):
res = self.parser.get_dashboard(name)
self.assertEqual(res, None)

3
tox.ini
View File

@ -35,8 +35,9 @@ commands = oslo_debug_helper {posargs}
[flake8]
# E123, E125 skipped as they are invalid PEP-8.
# H202 skip until we actually write our own exceptions
show-source = True
ignore = E123,E125
ignore = E123,E125,H202
builtins = _
exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build