opendev/system-config
Code Issues Proposed changes

Merge "add level parameter to htmlify-screen-log"

Browse Source
This commit is contained in:
Jenkins 2013-09-26 23:08:02 +00:00 committed by Gerrit Code Review
commit 1be295e9e3
1 changed files with 64 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
modules/openstack_project/files/logs/htmlify-screen-log.py
View File

@ -27,6 +27,16 @@ DATEFMT = '\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}(\.\d{3})?'
STATUSFMT = '(DEBUG|INFO|WARN|ERROR|TRACE|AUDIT)'
LOGMATCH = '(?P<date>%s)(?P<pid> \d+)? (?P<status>%s)' % (DATEFMT, STATUSFMT)
SEVS = {
'NONE': 0,
'DEBUG': 1,
'INFO': 2,
'AUDIT': 3,
'TRACE': 4,
'WARN': 5,
'ERROR': 6
}
def _html_close():
return ("</span></pre></body></html>\n")
@ -44,17 +54,34 @@ a:hover {text-decoration: underline}
.TRACE, .TRACE a {color: #c60}
.WARN, .WARN a {color: #D89100; font-weight: bold}
.INFO, .INFO a {color: #006; font-weight: bold}
.selector, .selector a {color: #888}
.selector a:hover {color: #c00}
</style>
<body><pre><span>\n""")
<body>
<span class='selector'>
Display level: [
<a href='?'>ALL</a> |
<a href='?level=DEBUG'>DEBUG</a> |
<a href='?level=INFO'>INFO</a> |
<a href='?level=AUDIT'>AUDIT</a> |
<a href='?level=TRACE'>TRACE</a> |
<a href='?level=WARN'>WARN</a> |
<a href='?level=ERROR'>ERROR</a> ]
</span>
<pre><span>""")
def color_by_sev(line):
"""Wrap a line in a span whose class matches it's severity."""
def sev_of_line(line, oldsev="NONE"):
m = re.match(LOGMATCH, line)
if m:
return "<span class='%s'>%s</span>" % (m.group('status'), line)
return m.group('status')
else:
return line
return oldsev
def color_by_sev(line, sev):
"""Wrap a line in a span whose class matches it's severity."""
return "<span class='%s'>%s</span>" % (sev, line)
def escape_html(line):
@ -80,8 +107,22 @@ def link_timestamp(line):
return line
def passthrough_filter(fname):
def skip_line_by_sev(sev, minsev):
"""should we skip this line?
If the line severity is less than our minimum severity,
yes we should"""
return SEVS.get(sev, 0) < SEVS.get(minsev, 0)
def passthrough_filter(fname, minsev):
sev = "NONE"
for line in fileinput.FileInput(fname, openhook=fileinput.hook_compressed):
sev = sev_of_line(line, sev)
if skip_line_by_sev(sev, minsev):
continue
yield line
@ -103,7 +144,7 @@ def does_file_exist(fname):
f.close()
def html_filter(fname):
def html_filter(fname, minsev):
"""Generator to read logs and output html in a stream.
This produces a stream of the htmlified logs which lets us return
@ -111,9 +152,13 @@ def html_filter(fname):
"""
yield _css_preamble()
sev = "NONE"
for line in fileinput.FileInput(fname, openhook=fileinput.hook_compressed):
newline = escape_html(line)
newline = color_by_sev(newline)
sev = sev_of_line(newline, sev)
if skip_line_by_sev(sev, minsev):
continue
newline = color_by_sev(newline, sev)
newline = link_timestamp(newline)
yield newline
yield _html_close()
@ -170,6 +215,14 @@ def should_be_html(environ):
return accepts_html and not text_override
def get_min_sev(environ):
parameters = cgi.parse_qs(environ.get('QUERY_STRING', ''))
if 'level' in parameters:
return cgi.escape(parameters['level'][0])
else:
return "NONE"
def application(environ, start_response):
status = '200 OK'
@ -181,16 +234,17 @@ def application(environ, start_response):
return ['Invalid file url']
try:
minsev = get_min_sev(environ)
if should_be_html(environ):
response_headers = [('Content-type', 'text/html')]
does_file_exist(logpath)
generator = html_filter(logpath)
generator = html_filter(logpath, minsev)
start_response(status, response_headers)
return generator
else:
response_headers = [('Content-type', 'text/plain')]
does_file_exist(logpath)
generator = passthrough_filter(logpath)
generator = passthrough_filter(logpath, minsev)
start_response(status, response_headers)
return generator
except IOError: