diff --git a/puppetboard/app.py b/puppetboard/app.py index 31f98a8..84e9b33 100644 --- a/puppetboard/app.py +++ b/puppetboard/app.py @@ -1,347 +1,347 @@ from __future__ import unicode_literals from __future__ import absolute_import import logging import collections try: from urllib import unquote except ImportError: from urllib.parse import unquote from datetime import datetime from flask import ( Flask, render_template, abort, url_for, Response, stream_with_context, redirect, request ) from flask_wtf.csrf import CsrfProtect from pypuppetdb import connect from puppetboard.forms import QueryForm from puppetboard.utils import ( get_or_abort, yield_or_stop, limit_reports, jsonprint ) app = Flask(__name__) CsrfProtect(app) app.config.from_object('puppetboard.default_settings') graph_facts = app.config['GRAPH_FACTS'] app.config.from_envvar('PUPPETBOARD_SETTINGS', silent=True) graph_facts += app.config['GRAPH_FACTS'] app.secret_key = app.config['SECRET_KEY'] app.jinja_env.filters['jsonprint'] = jsonprint puppetdb = connect( api_version=3, host=app.config['PUPPETDB_HOST'], port=app.config['PUPPETDB_PORT'], ssl_verify=app.config['PUPPETDB_SSL_VERIFY'], ssl_key=app.config['PUPPETDB_KEY'], ssl_cert=app.config['PUPPETDB_CERT'], timeout=app.config['PUPPETDB_TIMEOUT'],) numeric_level = getattr(logging, app.config['LOGLEVEL'].upper(), None) if not isinstance(numeric_level, int): raise ValueError('Invalid log level: %s' % app.config['LOGLEVEL']) logging.basicConfig(level=numeric_level) log = logging.getLogger(__name__) def stream_template(template_name, **context): app.update_template_context(context) t = app.jinja_env.get_template(template_name) rv = t.stream(context) rv.enable_buffering(5) return rv @app.context_processor def utility_processor(): def now(format='%m/%d/%Y %H:%M:%S'): """returns the formated datetime""" return datetime.now().strftime(format) return dict(now=now) @app.errorhandler(400) def bad_request(e): return render_template('400.html'), 400 @app.errorhandler(403) def forbidden(e): return render_template('403.html'), 400 @app.errorhandler(404) def not_found(e): return render_template('404.html'), 404 @app.errorhandler(412) def precond_failed(e): """We're slightly abusing 412 to handle missing features depending on the API version.""" return render_template('412.html'), 412 @app.errorhandler(500) def server_error(e): return render_template('500.html'), 500 @app.route('/') def index(): """This view generates the index page and displays a set of metrics and latest reports on nodes fetched from PuppetDB. """ # TODO: Would be great if we could parallelize this somehow, doing these # requests in sequence is rather pointless. prefix = 'com.puppetlabs.puppetdb.query.population' num_nodes = get_or_abort( puppetdb.metric, "{0}{1}".format(prefix, ':type=default,name=num-nodes')) num_resources = get_or_abort( puppetdb.metric, "{0}{1}".format(prefix, ':type=default,name=num-resources')) avg_resources_node = get_or_abort( puppetdb.metric, "{0}{1}".format(prefix, ':type=default,name=avg-resources-per-node')) metrics = { 'num_nodes': num_nodes['Value'], 'num_resources': num_resources['Value'], 'avg_resources_node': "{0:10.0f}".format(avg_resources_node['Value']), } nodes = puppetdb.nodes( unreported=app.config['UNRESPONSIVE_HOURS'], with_status=True) nodes_overview = [] stats = { 'changed': 0, 'unchanged': 0, 'failed': 0, 'unreported': 0, 'noop': 0 } for node in nodes: if node.status == 'unreported': stats['unreported'] += 1 elif node.status == 'changed': stats['changed'] += 1 elif node.status == 'failed': stats['failed'] += 1 elif node.status == 'noop': stats['noop'] += 1 else: stats['unchanged'] += 1 if node.status != 'unchanged': nodes_overview.append(node) return render_template( 'index.html', metrics=metrics, nodes=nodes_overview, stats=stats ) @app.route('/nodes') def nodes(): """Fetch all (active) nodes from PuppetDB and stream a table displaying those nodes. Downside of the streaming aproach is that since we've already sent our headers we can't abort the request if we detect an error. Because of this we'll end up with an empty table instead because of how yield_or_stop works. Once pagination is in place we can change this but we'll need to provide a search feature instead. """ status_arg = request.args.get('status', '') nodelist = puppetdb.nodes( unreported=app.config['UNRESPONSIVE_HOURS'], with_status=True) nodes = [] for node in yield_or_stop(nodelist): if status_arg: if node.status == status_arg: nodes.append(node) else: nodes.append(node) return Response(stream_with_context( stream_template('nodes.html', nodes=nodes))) @app.route('/node/') def node(node_name): """Display a dashboard for a node showing as much data as we have on that node. This includes facts and reports but not Resources as that is too heavy to do within a single request. """ node = get_or_abort(puppetdb.node, node_name) facts = node.facts() reports = limit_reports(node.reports(), app.config['REPORTS_COUNT']) return render_template( 'node.html', node=node, facts=yield_or_stop(facts), reports=yield_or_stop(reports), reports_count=app.config['REPORTS_COUNT']) @app.route('/reports') def reports(): """Doesn't do much yet but is meant to show something like the reports of the last half our, something like that.""" return render_template('reports.html') -@app.route('/reports/') +@app.route('/reports/') def reports_node(node_name): """Fetches all reports for a node and processes them eventually rendering a table displaying those reports.""" reports = limit_reports( yield_or_stop( puppetdb.reports('["=", "certname", "{0}"]'.format(node_name))), app.config['REPORTS_COUNT']) return render_template( 'reports_node.html', reports=reports, nodename=node_name, reports_count=app.config['REPORTS_COUNT']) @app.route('/report/latest/') def report_latest(node_name): """Redirect to the latest report of a given node. This is a workaround as long as PuppetDB can't filter reports for latest-report? field. This feature has been requested: https://tickets.puppetlabs.com/browse/PDB-203 """ reports = get_or_abort(puppetdb._query, 'reports', query='["=","certname","{0}"]'.format(node_name), limit=1) if len(reports) > 0: report = reports[0]['hash'] return redirect( url_for('report', node_name=node_name, report_id=report)) else: abort(404) @app.route('/report//') def report(node_name, report_id): """Displays a single report including all the events associated with that report and their status. The report_id may be the puppetdb's report hash or the configuration_version. This allows for better integration into puppet-hipchat. """ reports = puppetdb.reports('["=", "certname", "{0}"]'.format(node_name)) for report in reports: if report.hash_ == report_id or report.version == report_id: events = puppetdb.events('["=", "report", "{0}"]'.format( report.hash_)) return render_template( 'report.html', report=report, events=yield_or_stop(events)) else: abort(404) @app.route('/facts') def facts(): """Displays an alphabetical list of all facts currently known to PuppetDB.""" facts_dict = collections.defaultdict(list) facts = get_or_abort(puppetdb.fact_names) for fact in facts: letter = fact[0].upper() letter_list = facts_dict[letter] letter_list.append(fact) facts_dict[letter] = letter_list sorted_facts_dict = sorted(facts_dict.items()) return render_template('facts.html', facts_dict=sorted_facts_dict) @app.route('/fact/') def fact(fact): """Fetches the specific fact from PuppetDB and displays its value per node for which this fact is known.""" # we can only consume the generator once, lists can be doubly consumed # om nom nom render_graph = False if fact in graph_facts: render_graph = True localfacts = [f for f in yield_or_stop(puppetdb.facts(name=fact))] return Response(stream_with_context(stream_template( 'fact.html', name=fact, render_graph=render_graph, facts=localfacts))) @app.route('/fact//') def fact_value(fact, value): """On asking for fact/value get all nodes with that fact.""" facts = get_or_abort(puppetdb.facts, fact, value) localfacts = [f for f in yield_or_stop(facts)] return render_template( 'fact.html', name=fact, value=value, facts=localfacts) @app.route('/query', methods=('GET', 'POST')) def query(): """Allows to execute raw, user created querries against PuppetDB. This is currently highly experimental and explodes in interesting ways since none of the possible exceptions are being handled just yet. This will return the JSON of the response or a message telling you what whent wrong / why nothing was returned.""" if app.config['ENABLE_QUERY']: form = QueryForm() if form.validate_on_submit(): if form.query.data[0] == '[': query = form.query.data else: query = '[{0}]'.format(form.query.data) result = get_or_abort( puppetdb._query, form.endpoints.data, query=query) return render_template('query.html', form=form, result=result) return render_template('query.html', form=form) else: log.warn('Access to query interface disabled by administrator..') abort(403) @app.route('/metrics') def metrics(): metrics = get_or_abort(puppetdb._query, 'metrics', path='mbeans') for key, value in metrics.items(): metrics[key] = value.split('/')[3] return render_template('metrics.html', metrics=sorted(metrics.items())) @app.route('/metric/') def metric(metric): name = unquote(metric) metric = puppetdb.metric(metric) return render_template( 'metric.html', name=name, metric=sorted(metric.items())) diff --git a/puppetboard/templates/index.html b/puppetboard/templates/index.html index dc76ea8..599bde8 100644 --- a/puppetboard/templates/index.html +++ b/puppetboard/templates/index.html @@ -1,128 +1,128 @@ {% extends 'layout.html' %} {% block content %}

{{metrics['num_nodes']}}

Population

{{metrics['num_resources']}}

Resources managed

{{metrics['avg_resources_node']}}

Avg. resources/node
{% if nodes %}

Nodes status detail ({{nodes|length}})

{% for node in nodes %} {% if node.status != 'unchanged' %} {% endif %} {% endfor %}
Status Hostname Report
{{node.status}} {% if node.status=='unreported'%} {{ node.unreported_time }} {% else %} {% if node.events['failures'] %}{{node.events['failures']}}{% else %}0{% endif%} {% if node.events['successes'] %}{{node.events['successes']}}{% else %}0{% endif%} {% if node.events['skips'] %}{{node.events['skips']}}{% else %}0{% endif%} {% endif %} {{ node.name }} {% if node.report_timestamp %} {{ node.report_timestamp }} {% else %} {% endif %} {% if node.report_timestamp %} - + {% endif %}
{% else %}

Nodes status detail

Nothing seems to be changing.
{% endif %}
{% endblock content %}