# Copyright (C) The Arvados Authors. All rights reserved.
#
# SPDX-License-Identifier: AGPL-3.0
try:
from html import escape
except ImportError:
from cgi import escape
import json
import pkg_resources
class WebChart(object):
"""Base class for a web chart.
Subclasses must assign JSLIB and JSASSETS, and override the
chartdata() method.
"""
JSLIB = None
JSASSET = None
STYLE = '''
body {
background: #fafafa;
font-family: "Roboto", "Helvetica", "Arial", sans-serif;
font-size: 0.875rem;
color: rgba(0, 0, 0, 0.87);
font-weight: 400;
}
.card {
background: #ffffff;
box-shadow: 0px 1px 5px 0px rgba(0,0,0,0.2),0px 2px 2px 0px rgba(0,0,0,0.14),0px 3px 1px -2px rgba(0,0,0,0.12);
border-radius: 4px;
margin: 20px;
}
.content {
padding: 2px 16px 8px 16px;
}
table {
border-spacing: 0px;
}
tr {
height: 36px;
text-align: left;
}
th {
padding-right: 4em;
border-top: 1px solid rgba(224, 224, 224, 1);
}
td {
padding-right: 2em;
border-top: 1px solid rgba(224, 224, 224, 1);
}
#chart {
margin-left: -20px;
}
'''
def __init__(self, label, summarizers):
self.label = label
self.summarizers = summarizers
def html(self, beforechart='', afterchart=''):
return '''
{} stats
{}
'''.format(escape(self.label),
self.JSLIB,
self.js(),
self.STYLE,
self.headHTML(),
escape(self.label),
beforechart,
afterchart)
def js(self):
return 'var chartdata = {};\n{}'.format(
json.dumps(self.sections()),
'\n'.join([pkg_resources.resource_string('crunchstat_summary', jsa).decode('utf-8') for jsa in self.JSASSETS]))
def sections(self):
return [
{
'label': s.long_label(),
'charts': [
self.chartdata(s.label, s.tasks, stat)
for stat in (('cpu', ['user+sys__rate', 'user__rate', 'sys__rate']),
('mem', ['rss']),
('net:eth0', ['tx+rx__rate','rx__rate','tx__rate']),
('net:keep0', ['tx+rx__rate','rx__rate','tx__rate']),
('statfs', ['used', 'total']),
)
],
}
for s in self.summarizers]
def chartdata(self, label, tasks, stat):
"""Return chart data for the given tasks.
The returned value will be available on the client side as an
element of the "chartdata" array.
"""
raise NotImplementedError()
def headHTML(self):
"""Return extra HTML text to include in HEAD."""
return ''