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# Copyright (C) 2014 Red Hat, Inc.,
# Bryn M. Reeves <bmr@redhat.com>
#
# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
""" This provides a restricted tag language to define the sosreport
index/report
"""
try:
import json
except ImportError:
import simplejson as json
class Node(object):
def __str__(self):
return json.dumps(self.data)
def can_add(self, node):
return False
class Leaf(Node):
"""Marker class that can be added to a Section node"""
pass
class Report(Node):
"""The root element of a report. This is a container for sections."""
def __init__(self):
self.data = {}
def can_add(self, node):
return isinstance(node, Section)
def add(self, *nodes):
for node in nodes:
if self.can_add(node):
self.data[node.name] = node.data
def _decode(s):
"""returns a string text for a given unicode/str input"""
return (s if isinstance(s, str) else s.decode('utf8', 'ignore'))
class Section(Node):
"""A section is a container for leaf elements. Sections may be nested
inside of Report objects only."""
def __init__(self, name):
self.name = _decode(name)
self.data = {}
def can_add(self, node):
return isinstance(node, Leaf)
def add(self, *nodes):
for node in nodes:
if self.can_add(node):
self.data.setdefault(node.ADDS_TO, []).append(node.data)
class Command(Leaf):
ADDS_TO = "commands"
def __init__(self, name, return_code, href):
self.data = {"name": _decode(name),
"return_code": return_code,
"href": _decode(href)}
class CopiedFile(Leaf):
ADDS_TO = "copied_files"
def __init__(self, name, href):
self.data = {"name": _decode(name),
"href": _decode(href)}
class CreatedFile(Leaf):
ADDS_TO = "created_files"
def __init__(self, name, href):
self.data = {"name": _decode(name),
"href": _decode(href)}
class Alert(Leaf):
ADDS_TO = "alerts"
def __init__(self, content):
self.data = _decode(content)
class Note(Leaf):
ADDS_TO = "notes"
def __init__(self, content):
self.data = _decode(content)
def ends_bs(string):
""" Return True if 'string' ends with a backslash, and False otherwise.
Define this as a named function for no other reason than that pep8
now forbids binding of a lambda expression to a name:
'E731 do not assign a lambda expression, use a def'
"""
return string.endswith('\\')
class PlainTextReport(object):
"""Will generate a plain text report from a top_level Report object"""
HEADER = ""
FOOTER = ""
LEAF = " * %(name)s"
ALERT = " ! %s"
NOTE = " * %s"
PLUGLISTHEADER = "Loaded Plugins:"
PLUGLISTITEM = " {name}"
PLUGLISTSEP = "\n"
PLUGLISTMAXITEMS = 5
PLUGLISTFOOTER = ""
PLUGINFORMAT = "{name}"
PLUGDIVIDER = "=" * 72
subsections = (
(Command, LEAF, "- commands executed:", ""),
(CopiedFile, LEAF, "- files copied:", ""),
(CreatedFile, LEAF, "- files created:", ""),
(Alert, ALERT, "- alerts:", ""),
(Note, NOTE, "- notes:", ""),
)
line_buf = []
def __init__(self, report_node):
self.report_data = sorted(dict.items(report_node.data))
def unicode(self):
self.line_buf = line_buf = []
if (len(self.HEADER) > 0):
line_buf.append(self.HEADER)
# generate section/plugin list, split long list to multiple lines
line_buf.append(self.PLUGLISTHEADER)
line = ""
i = 0
plugcount = len(self.report_data)
for section_name, _ in self.report_data:
line += self.PLUGLISTITEM.format(name=section_name)
i += 1
if (i % self.PLUGLISTMAXITEMS == 0) and (i < plugcount):
line += self.PLUGLISTSEP
line += self.PLUGLISTFOOTER
line_buf.append(line)
for section_name, section_contents in self.report_data:
line_buf.append(self.PLUGDIVIDER)
line_buf.append(self.PLUGINFORMAT.format(name=section_name))
for type_, format_, header, footer in self.subsections:
self.process_subsection(section_contents, type_.ADDS_TO,
header, format_, footer)
if (len(self.FOOTER) > 0):
line_buf.append(self.FOOTER)
output = u'\n'.join(map(lambda i: (i if isinstance(i, str)
else i.decode('utf8', 'ignore')),
line_buf))
return output
def process_subsection(self, section, key, header, format_, footer):
if key in section:
self.line_buf.append(header)
for item in sorted(
section.get(key),
key=lambda x: x["name"] if isinstance(x, dict) else ''
):
self.line_buf.append(format_ % item)
if (len(footer) > 0):
self.line_buf.append(footer)
class HTMLReport(PlainTextReport):
"""Will generate a HTML report from a top_level Report object"""
HEADER = """<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8" />
<title>Sos System Report</title>
<style type="text/css">
td {
padding: 0 5px;
}
</style>
</head>
<body>\n"""
FOOTER = "</body></html>"
LEAF = '<li><a href="%(href)s">%(name)s</a></li>'
ALERT = "<li>%s</li>"
NOTE = "<li>%s</li>"
PLUGLISTHEADER = "<h3>Loaded Plugins:</h3><table><tr>"
PLUGLISTITEM = '<td><a href="#{name}">{name}</a></td>\n'
PLUGLISTSEP = "</tr>\n<tr>"
PLUGLISTMAXITEMS = 5
PLUGLISTFOOTER = "</tr></table>"
PLUGINFORMAT = '<h2 id="{name}">Plugin <em>{name}</em></h2>'
PLUGDIVIDER = "<hr/>\n"
subsections = (
(Command, LEAF, "<p>Commands executed:</p><ul>", "</ul>"),
(CopiedFile, LEAF, "<p>Files copied:</p><ul>", "</ul>"),
(CreatedFile, LEAF, "<p>Files created:</p><ul>", "</ul>"),
(Alert, ALERT, "<p>Alerts:</p><ul>", "</ul>"),
(Note, NOTE, "<p>Notes:</p><ul>", "</ul>"),
)
class JSONReport(PlainTextReport):
"""Will generate a JSON report from a top_level Report object"""
def unicode(self):
output = json.dumps(self.report_data, indent=4, ensure_ascii=False)
return output
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