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mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-12-23 21:34:54 +03:00
libvirt/scripts/hvsupport.py
Peter Krempa 9fd2e78b96 docs: xsl: Unify stylability of main container element
page.xsl was adding '<div id="content">' wrapper for the content picked
up from the <body> element from the original input file. Optionally
class="$DOCNAME" was added for some documents taken from <body>.

Since docs generated from RST by docutils have a '<div class='document'
id='$DOCNAME>' we actually don't need an extra wrapper for them.

Additionally if we standardize on one of them we can use the same styles
for both. I've picked the latter because it makes more sense to use the
document name as 'id'.

This patch:
1) Modifies the XSL trasformation to add the wrapper only if it's not
   present.

2) Modifies the XSL transformation to use 'id' for document name and
   class='document' for the wrapper element.

3) Changes docs.html/index.html/hvsupport.html to use 'id' instead of
   'class' for document name.

4) Modifies the main stylesheet to keep styling the elements properly

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2020-11-16 14:04:04 +01:00

502 lines
16 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Copyright (C) 2011-2019 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
import sys
import os.path
import re
if len(sys.argv) != 3:
print("syntax: %s TOP-SRCDIR TOP-BUILDDIR\n" % sys.argv[0], file=sys.stderr)
srcdir = sys.argv[1]
builddir = sys.argv[2]
symslibvirt = os.path.join(srcdir, "src", "libvirt_public.syms")
symsqemu = os.path.join(srcdir, "src", "libvirt_qemu.syms")
symslxc = os.path.join(srcdir, "src", "libvirt_lxc.syms")
drivertablefiles = [
os.path.join(srcdir, "src", "driver-hypervisor.h"),
os.path.join(srcdir, "src", "driver-interface.h"),
os.path.join(srcdir, "src", "driver-network.h"),
os.path.join(srcdir, "src", "driver-nodedev.h"),
os.path.join(srcdir, "src", "driver-nwfilter.h"),
os.path.join(srcdir, "src", "driver-secret.h"),
os.path.join(srcdir, "src", "driver-state.h"),
os.path.join(srcdir, "src", "driver-storage.h"),
os.path.join(srcdir, "src", "driver-stream.h"),
]
groupheaders = {
"virHypervisorDriver": "Hypervisor APIs",
"virNetworkDriver": "Virtual Network APIs",
"virInterfaceDriver": "Host Interface APIs",
"virNodeDeviceDriver": "Host Device APIs",
"virStorageDriver": "Storage Pool APIs",
"virSecretDriver": "Secret APIs",
"virNWFilterDriver": "Network Filter APIs",
}
srcs = []
for root, dirs, files in os.walk(os.path.join(srcdir, "src")):
for file in files:
if ((file.endswith("driver.c") and
not file.endswith("vbox_driver.c")) or
file.endswith("common.c") or
file.endswith("tmpl.c") or
file.endswith("monitor.c") or
file.endswith("udev.c")):
srcs.append(os.path.join(root, file))
# Map API functions to the header and documentation files they're in
# so that we can generate proper hyperlinks to their documentation.
#
# The function names are grep'd from the XML output of apibuild.py.
def getAPIFilenames(filename):
files = {}
with open(filename) as fh:
for line in fh:
res = re.search(r"function name='([^']+)' file='([^']+)'", line)
if res is not None:
files[res.group(1)] = res.group(2)
if len(files) == 0:
raise Exception(("No functions found in %s. " +
"Has the apibuild.py output changed?") %
filename)
return files
def parseSymsFile(apisref, prefix, filename, xmlfilename):
vers = None
prevvers = None
filenames = getAPIFilenames(xmlfilename)
with open(filename) as fh:
for line in fh:
line = line.strip()
if line == "":
continue
if line[0] == '#':
continue
if line.startswith("global:"):
continue
if line.startswith("local:"):
continue
groupstartmatch = re.search(r"^\s*%s_(\d+\.\d+\.\d+)\s*{\s*$" %
prefix, line)
groupendmatch1 = re.search(r"^\s*}\s*;\s*$", line)
groupendmatch2 = re.search(r"^\s*}\s*%s_(\d+\.\d+\.\d+)\s*;\s*$" %
prefix, line)
symbolmatch = re.search(r"^\s*(\w+)\s*;\s*$", line)
if groupstartmatch is not None:
if vers is not None:
raise Exception("malformed syms file when starting group")
vers = groupstartmatch.group(1)
elif groupendmatch1 is not None:
if prevvers is not None:
raise Exception("malformed syms file when ending group")
prevvers = vers
vers = None
elif groupendmatch2 is not None:
if groupendmatch2.group(1) != prevvers:
raise Exception(("malformed syms file %s != %s " +
"when ending group") %
(groupendmatch2.group(1), prevvers))
prevvers = vers
vers = None
elif symbolmatch is not None:
name = symbolmatch.group(1)
apisref[name] = {
"vers": vers,
"file": filenames.get(name),
}
else:
raise Exception("unexpected data %s" % line)
apis = {}
# Get the list of all public APIs and their corresponding version
parseSymsFile(apis, "LIBVIRT", symslibvirt,
os.path.join(builddir, "docs", "libvirt-api.xml"))
# And the same for the QEMU specific APIs
parseSymsFile(apis, "LIBVIRT_QEMU", symsqemu,
os.path.join(builddir, "docs", "libvirt-qemu-api.xml"))
# And the same for the LXC specific APIs
parseSymsFile(apis, "LIBVIRT_LXC", symslxc,
os.path.join(builddir, "docs", "libvirt-lxc-api.xml"))
# Some special things which aren't public APIs,
# but we want to report
apis["virConnectSupportsFeature"] = {
"vers": "0.3.2"
}
apis["virDomainMigratePrepare"] = {
"vers": "0.3.2"
}
apis["virDomainMigratePerform"] = {
"vers": "0.3.2"
}
apis["virDomainMigrateFinish"] = {
"vers": "0.3.2"
}
apis["virDomainMigratePrepare2"] = {
"vers": "0.5.0"
}
apis["virDomainMigrateFinish2"] = {
"vers": "0.5.0"
}
apis["virDomainMigratePrepareTunnel"] = {
"vers": "0.7.2"
}
apis["virDomainMigrateBegin3"] = {
"vers": "0.9.2"
}
apis["virDomainMigratePrepare3"] = {
"vers": "0.9.2"
}
apis["virDomainMigratePrepareTunnel3"] = {
"vers": "0.9.2"
}
apis["virDomainMigratePerform3"] = {
"vers": "0.9.2"
}
apis["virDomainMigrateFinish3"] = {
"vers": "0.9.2"
}
apis["virDomainMigrateConfirm3"] = {
"vers": "0.9.2"
}
apis["virDomainMigrateBegin3Params"] = {
"vers": "1.1.0"
}
apis["virDomainMigratePrepare3Params"] = {
"vers": "1.1.0"
}
apis["virDomainMigratePrepareTunnel3Params"] = {
"vers": "1.1.0"
}
apis["virDomainMigratePerform3Params"] = {
"vers": "1.1.0"
}
apis["virDomainMigrateFinish3Params"] = {
"vers": "1.1.0"
}
apis["virDomainMigrateConfirm3Params"] = {
"vers": "1.1.0"
}
# Now we want to get the mapping between public APIs
# and driver struct fields. This lets us later match
# update the driver impls with the public APis.
# Group name -> hash of APIs { fields -> api name }
groups = {}
ingrp = None
for drivertablefile in drivertablefiles:
with open(drivertablefile) as fh:
for line in fh:
starttablematch = re.search(r"struct _(vir\w*Driver)", line)
if starttablematch is not None:
grp = starttablematch.group(1)
if grp != "virStateDriver" and grp != "virStreamDriver":
ingrp = grp
groups[ingrp] = {
"apis": {},
"drivers": {}
}
elif ingrp is not None:
callbackmatch = re.search(r"^\s*vir(?:Drv)(\w+)\s+(\w+);\s*$",
line)
if callbackmatch is not None:
name = callbackmatch.group(1)
field = callbackmatch.group(2)
api = "vir" + name
if api in apis:
groups[ingrp]["apis"][field] = api
elif re.search(r"\w+(Open|Close|URIProbe)", api) is not None:
continue
else:
raise Exception(("driver %s does not have " +
"a public API") % name)
elif re.search(r"};", line):
ingrp = None
# Finally, we read all the primary driver files and extract
# the driver API tables from each one.
for src in srcs:
with open(src) as fh:
groupsre = "|".join(groups.keys())
ingrp = None
impl = None
for line in fh:
if ingrp is None:
m = re.search(r"^\s*(static\s+)?(" +
groupsre +
r")\s+(\w+)\s*=\s*{", line)
if m is None:
m = re.search(r"^\s*(static\s+)?(" +
groupsre +
r")\s+NAME\(\w+\)\s*=\s*{", line)
if m is not None:
ingrp = m.group(2)
impl = src
implmatch = re.search(r".*/node_device_(\w+)\.c", impl)
if implmatch is None:
implmatch = re.search(r".*/(\w+?)_((\w+)_)?(\w+)\.c", impl)
if implmatch is None:
raise Exception("Unexpected impl format '%s'" % impl)
impl = implmatch.group(1)
if impl in groups[ingrp]["drivers"]:
raise Exception(
"Group %s already contains %s" % (ingrp, impl))
groups[ingrp]["drivers"][impl] = {}
else:
callbackmatch = re.search(r"\s*\.(\w+)\s*=\s*(\w+)\s*,?\s*" +
r"(?:/\*\s*(\d+\.\d+\.\d+)\s*" +
r"(?:-\s*(\d+\.\d+\.\d+))?\s*\*/\s*)?$",
line)
if callbackmatch is not None:
api = callbackmatch.group(1)
meth = callbackmatch.group(2)
vers = callbackmatch.group(3)
deleted = callbackmatch.group(4)
if api == "no" or api == "name":
continue
if meth == "NULL" and deleted is None:
raise Exception(
("Method impl for %s is NULL, but " +
"no deleted version is provided") % api)
if meth != "NULL" and deleted is not None:
raise Exception(
("Method impl for %s is non-NULL, but " +
"deleted version is provided") % api)
if vers is None and api != "connectURIProbe":
raise Exception(
"Method %s in %s is missing version" %
(meth, src))
if api not in groups[ingrp]["apis"]:
if re.search(r"\w+(Open|Close|URIProbe)", api):
continue
raise Exception("Found unexpected method " +
"%s in %s" % (api, ingrp))
groups[ingrp]["drivers"][impl][api] = {
"vers": vers,
"deleted": deleted,
}
if (api == "domainMigratePrepare" or
api == "domainMigratePrepare2" or
api == "domainMigratePrepare3"):
if ("domainMigrate" not in
groups[ingrp]["drivers"][impl]):
groups[ingrp]["drivers"][impl]["domainMigrate"] = {
"vers": vers,
}
elif line.find("}") != -1:
ingrp = None
# The '.open' driver method is used for 3 public APIs, so we
# have a bit of manual fixup todo with the per-driver versioning
# and support matrix
groups["virHypervisorDriver"]["apis"]["openAuth"] = \
"virConnectOpenAuth"
groups["virHypervisorDriver"]["apis"]["openReadOnly"] = \
"virConnectOpenReadOnly"
groups["virHypervisorDriver"]["apis"]["domainMigrate"] = \
"virDomainMigrate"
openAuthVers = (0 * 1000 * 1000) + (4 * 1000) + 0
drivers = groups["virHypervisorDriver"]["drivers"]
for drv in drivers.keys():
openVersStr = drivers[drv]["connectOpen"]["vers"]
openVers = 0
if openVersStr != "Y":
openVersBits = openVersStr.split(".")
if len(openVersBits) != 3:
raise Exception("Expected 3 digit version for %s" % openVersStr)
openVers = ((int(openVersBits[0]) * 1000 * 1000) +
(int(openVersBits[1]) * 1000) +
int(openVersBits[2]))
# virConnectOpenReadOnly always matches virConnectOpen version
drivers[drv]["connectOpenReadOnly"] = \
drivers[drv]["connectOpen"]
# virConnectOpenAuth is always 0.4.0 if the driver existed
# before this time, otherwise it matches the version of
# the driver's virConnectOpen entry
if openVersStr == "Y" or openVers >= openAuthVers:
vers = openVersStr
else:
vers = "0.4.0"
drivers[drv]["connectOpenAuth"] = {
"vers": vers,
}
# Another special case for the virDomainCreateLinux which was replaced
# with virDomainCreateXML
groups["virHypervisorDriver"]["apis"]["domainCreateLinux"] = \
"virDomainCreateLinux"
createAPIVers = (0 * 1000 * 1000) + (0 * 1000) + 3
for drv in drivers.keys():
if "domainCreateXML" not in drivers[drv]:
continue
createVersStr = drivers[drv]["domainCreateXML"]["vers"]
createVers = 0
if createVersStr != "Y":
createVersBits = createVersStr.split(".")
if len(createVersBits) != 3:
raise Exception("Expected 3 digit version for %s" % createVersStr)
createVers = ((int(createVersBits[0]) * 1000 * 1000) +
(int(createVersBits[1]) * 1000) +
int(createVersBits[2]))
# virCreateLinux is always 0.0.3 if the driver existed
# before this time, otherwise it matches the version of
# the driver's virCreateXML entry
if createVersStr == "Y" or createVers >= createAPIVers:
vers = createVersStr
else:
vers = "0.0.3"
drivers[drv]["domainCreateLinux"] = {
"vers": vers,
}
# Finally we generate the HTML file with the tables
print('''<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<body id="hvsupport">
<h1>libvirt API support matrix</h1>
<ul id="toc"></ul>
<p>
This page documents which <a href="html/">libvirt calls</a> work on
which libvirt drivers / hypervisors, and which version the API appeared
in. If a hypervisor driver later dropped support for the API, the version
when it was removed is also mentioned (highlighted in
<span class="removedhv">dark red</span>).
</p>
''')
for grp in sorted(groups.keys()):
print("<h2><a id=\"%s\">%s</a></h2>" % (grp, groupheaders[grp]))
print('''<table class="top_table">
<thead>
<tr>
<th>API</th>
<th>Version</th>''')
for drv in sorted(groups[grp]["drivers"].keys()):
print(" <th>%s</th>" % drv)
print('''</tr>
</thead>
<tbody>''')
row = 0
def sortkey(field):
return groups[grp]["apis"][field]
for field in sorted(groups[grp]["apis"].keys(), key=sortkey):
api = groups[grp]["apis"][field]
vers = apis[api]["vers"]
htmlgrp = apis[api].get("file")
print("<tr>")
if htmlgrp is not None:
print(('''<td>\n<a href=\"html/libvirt-%s.html#%s\">''' +
'''%s</a>\n</td>''') %
(htmlgrp, api, api))
else:
print("<td>\n%s</td>" % api)
print("<td>%s</td>" % vers)
for drv in sorted(groups[grp]["drivers"].keys()):
info = ""
if field in groups[grp]["drivers"][drv]:
vers = groups[grp]["drivers"][drv][field]["vers"]
if vers is not None:
info = info + vers
deleted = groups[grp]["drivers"][drv][field].get("deleted")
if deleted is not None:
info = info + (''' - <span class="removedhv">''' +
'''%s</span>''' % deleted)
print("<td>%s</td>" % info)
print("</tr>")
row = row + 1
if (row % 15) == 0:
print('''<tr>
<th>API</th>
<th>Version</th>''')
for drv in sorted(groups[grp]["drivers"].keys()):
print(" <th>%s</th>" % drv)
print("</tr>")
print("</tbody>\n</table>")
print("</body>\n</html>")