cas December 2009

cas@lists.stg.fedorahosted.org

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15 discussions

cas cas.spec doc/genindex.html doc/index.html doc/index.rst doc/objects.inv doc/search.html doc/searchindex.js doc/_sources
by Adam Stokes 09 Dec '09

09 Dec '09

cas | 20 +++++++++++++++----- cas.spec | 1 + doc/_sources/index.txt | 17 +++++++++++++++-- doc/genindex.html | 8 ++++---- doc/index.html | 26 ++++++++++++++++++-------- doc/index.rst | 13 +++++++++++++ doc/objects.inv | 4 ++-- doc/search.html | 8 ++++---- doc/searchindex.js | 2 +- 9 files changed, 73 insertions(+), 26 deletions(-) New commits: commit 8370d52a889b7237d12fe8b5e822bcba90fe05a7 Author: adam stokes <astokes(a)fedoraproject.org> Date: Wed Dec 9 21:17:27 2009 -0500 - update doc for new helper function - new helper function to use pbzip2 for compression diff --git a/cas b/cas index 73e1f7a..5e0882f 100755 --- a/cas +++ b/cas @@ -142,6 +142,13 @@ class CasApplication(object): self.parse_options(args) self.util = UtilBase() self.rpmTool = RPMBase() + + def _helper_compress(self, filename): + cbase = CoreBase() + try: + cbase.compressCore(os.path.abspath(self.opts.filename)) + except CoreException, e: + raise SystemExit(e) def parse_options(self, args): # build option - arguement list in the form of @@ -156,13 +163,16 @@ class CasApplication(object): parser.add_option("-m","--modules", dest="kernel_modules", help="Extract associated kernel modules", action="store_true") - parser.add_option("-c","--compress", dest="compress", - action="store_true") + parser.add_option("-c","--compress", dest="compress_core", + help="Helper option to compress core to be transferred "\ + "to another destination.", action="store_true") self.opts, args = parser.parse_args() - self.compress = self.opts.compress - if self.compress: - return + # check helper function first + if self.opts.compress_core and self.opts.filename: + self._helper_compress(self.opts.filename) + else: + parser.error("A file object is missing") if not self.opts.identifier: parser.error("A unique identifier number is missing.") diff --git a/cas.spec b/cas.spec index da2f119..8c8c914 100644 --- a/cas.spec +++ b/cas.spec @@ -53,6 +53,7 @@ rm -rf ${RPM_BUILD_ROOT} - Test for pbzip2 for utilizing multiple cores during decompression - Increment python requirement to 2.4 - provide shutil, subprocess from 2.6 if on lower python version +- added helper function for compressing core files in proper format * Thu Oct 15 2009 Adam Stokes <ajs at redhat dot com> - 0.15-1 - Require paramiko for all remote executions diff --git a/doc/_sources/index.txt b/doc/_sources/index.txt index 087eb68..9a394e8 100644 --- a/doc/_sources/index.txt +++ b/doc/_sources/index.txt @@ -25,8 +25,8 @@ types to core dumps are automatically detected and processed. Prerequisites ^^^^^^^^^^^^^ -CAS needs at least **Python 2.3** to run. For systems that are not running -Fedora 9 or later (this would include RHEL 4/5) the EPEL repo needs to be +CAS needs at least **Python 2.4** to run. For systems that are not running +Fedora 9 or later (this would include RHEL 5) the EPEL repo needs to be installed. Visit `EPEL <https://fedoraproject.org/wiki/EPEL>`_ to enable this repository. @@ -195,6 +195,7 @@ a few options to pass:: -e EMAIL, --email=EMAIL Define email for results (must be valid!) -m, --modules Extract associated kernel modules + -c, --compress Compress file for transfer to another destination CAS prepares its directory hierarchy based on the ``identifier`` this option is therefore required. ``filename`` is also required as it tells CAS exactly which @@ -226,6 +227,18 @@ initial analysis to the specified email address. From there further instructions are provided in either the email or the ``process log`` on how to access and analyze the core. +CAS also provides an option to compress a file using ``pbzip2`` which will utilize +the systems cpu's in order to eliminate a lot of the wait it takes to compress/decompress +a core file. + +To use simply type:: + + $ cas -f vmcore -c + +The benefit of using ``pbzip2`` for compression is that it will decompress utilizing the +systems cpu's as well. This option is preferred since the downtime is cut in half of what +it would take using the normal single cpu bound ``bzip2``. + Analyzing --------- diff --git a/doc/genindex.html b/doc/genindex.html index d421a66..b891687 100644 --- a/doc/genindex.html +++ b/doc/genindex.html @@ -5,7 +5,7 @@ <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <title>Index — cas v0.15 documentation</title> + <title>Index — CAS v0.15 documentation</title> <link rel="stylesheet" href="_static/default.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <script type="text/javascript"> @@ -19,7 +19,7 @@ </script> <script type="text/javascript" src="_static/jquery.js"></script> <script type="text/javascript" src="_static/doctools.js"></script> - <link rel="top" title="cas v0.15 documentation" href="index.html" /> + <link rel="top" title="CAS v0.15 documentation" href="index.html" /> </head> <body> <div class="related"> @@ -28,7 +28,7 @@ <li class="right" style="margin-right: 10px"> <a href="" title="General Index" accesskey="I">index</a></li> - <li><a href="index.html">cas v0.15 documentation</a> »</li> + <li><a href="index.html">CAS v0.15 documentation</a> »</li> </ul> </div> @@ -78,7 +78,7 @@ <li class="right" style="margin-right: 10px"> <a href="" title="General Index" >index</a></li> - <li><a href="index.html">cas v0.15 documentation</a> »</li> + <li><a href="index.html">CAS v0.15 documentation</a> »</li> </ul> </div> <div class="footer"> diff --git a/doc/index.html b/doc/index.html index c0f1ba7..f8fe181 100644 --- a/doc/index.html +++ b/doc/index.html @@ -5,7 +5,7 @@ <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <title>Core Analysis System — cas v0.15 documentation</title> + <title>Core Analysis System — CAS v0.15 documentation</title> <link rel="stylesheet" href="_static/default.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <script type="text/javascript"> @@ -19,7 +19,7 @@ </script> <script type="text/javascript" src="_static/jquery.js"></script> <script type="text/javascript" src="_static/doctools.js"></script> - <link rel="top" title="cas v0.15 documentation" href="" /> + <link rel="top" title="CAS v0.15 documentation" href="" /> </head> <body> <div class="related"> @@ -28,7 +28,7 @@ <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" accesskey="I">index</a></li> - <li><a href="">cas v0.15 documentation</a> »</li> + <li><a href="">CAS v0.15 documentation</a> »</li> </ul> </div> @@ -47,7 +47,7 @@ </tr> <tr class="field"><th class="field-name">Release:</th><td class="field-body">0.15</td> </tr> -<tr class="field"><th class="field-name">Date:</th><td class="field-body">October 15, 2009</td> +<tr class="field"><th class="field-name">Date:</th><td class="field-body">December 09, 2009</td> </tr> </tbody> </table> @@ -62,8 +62,8 @@ types to core dumps are automatically detected and processed.</p> </div> <div class="section" id="prerequisites"> <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to this headline">¶</a></h3> -<p>CAS needs at least <strong>Python 2.3</strong> to run. For systems that are not running -Fedora 9 or later (this would include RHEL 4/5) the EPEL repo needs to be +<p>CAS needs at least <strong>Python 2.4</strong> to run. For systems that are not running +Fedora 9 or later (this would include RHEL 5) the EPEL repo needs to be installed. Visit <a class="reference external" href="https://fedoraproject.org/wiki/EPEL">EPEL</a> to enable this repository.</p> <p>The amount of storage needed can be determined base on the following @@ -204,7 +204,8 @@ Options: Filename -e EMAIL, --email=EMAIL Define email for results (must be valid!) - -m, --modules Extract associated kernel modules</pre> + -m, --modules Extract associated kernel modules + -c, --compress Compress file for transfer to another destination</pre> </div> <p>CAS prepares its directory hierarchy based on the <tt class="docutils literal"><span class="pre">identifier</span></tt> this option is therefore required. <tt class="docutils literal"><span class="pre">filename</span></tt> is also required as it tells CAS exactly which @@ -230,6 +231,15 @@ useful when analyzing filesystem issues and the like.</p> initial analysis to the specified email address. From there further instructions are provided in either the email or the <tt class="docutils literal"><span class="pre">process</span> <span class="pre">log</span></tt> on how to access and analyze the core.</p> +<p>CAS also provides an option to compress a file using <tt class="docutils literal"><span class="pre">pbzip2</span></tt> which will utilize +the systems cpu’s in order to eliminate a lot of the wait it takes to compress/decompress +a core file.</p> +<p>To use simply type:</p> +<div class="highlight-python"><pre>$ cas -f vmcore -c</pre> +</div> +<p>The benefit of using <tt class="docutils literal"><span class="pre">pbzip2</span></tt> for compression is that it will decompress utilizing the +systems cpu’s as well. This option is preferred since the downtime is cut in half of what +it would take using the normal single cpu bound <tt class="docutils literal"><span class="pre">bzip2</span></tt>.</p> </div> </div> <div class="section" id="analyzing"> @@ -429,7 +439,7 @@ no errors.</p> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" >index</a></li> - <li><a href="">cas v0.15 documentation</a> »</li> + <li><a href="">CAS v0.15 documentation</a> »</li> </ul> </div> <div class="footer"> diff --git a/doc/index.rst b/doc/index.rst index 07f91e5..9a394e8 100644 --- a/doc/index.rst +++ b/doc/index.rst @@ -195,6 +195,7 @@ a few options to pass:: -e EMAIL, --email=EMAIL Define email for results (must be valid!) -m, --modules Extract associated kernel modules + -c, --compress Compress file for transfer to another destination CAS prepares its directory hierarchy based on the ``identifier`` this option is therefore required. ``filename`` is also required as it tells CAS exactly which @@ -226,6 +227,18 @@ initial analysis to the specified email address. From there further instructions are provided in either the email or the ``process log`` on how to access and analyze the core. +CAS also provides an option to compress a file using ``pbzip2`` which will utilize +the systems cpu's in order to eliminate a lot of the wait it takes to compress/decompress +a core file. + +To use simply type:: + + $ cas -f vmcore -c + +The benefit of using ``pbzip2`` for compression is that it will decompress utilizing the +systems cpu's as well. This option is preferred since the downtime is cut in half of what +it would take using the normal single cpu bound ``bzip2``. + Analyzing --------- diff --git a/doc/objects.inv b/doc/objects.inv index 3790431..a1c1ea1 100644 --- a/doc/objects.inv +++ b/doc/objects.inv @@ -1,3 +1,3 @@ # Sphinx inventory version 1 -# Project: cas -# Version: 0 +# Project: CAS +# Version: 0.15 diff --git a/doc/search.html b/doc/search.html index a4032d2..6752a0d 100644 --- a/doc/search.html +++ b/doc/search.html @@ -5,7 +5,7 @@ <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <title>Search — cas v0.15 documentation</title> + <title>Search — CAS v0.15 documentation</title> <link rel="stylesheet" href="_static/default.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <script type="text/javascript"> @@ -20,7 +20,7 @@ <script type="text/javascript" src="_static/jquery.js"></script> <script type="text/javascript" src="_static/doctools.js"></script> <script type="text/javascript" src="_static/searchtools.js"></script> - <link rel="top" title="cas v0.15 documentation" href="index.html" /> + <link rel="top" title="CAS v0.15 documentation" href="index.html" /> </head> <body> <div class="related"> @@ -29,7 +29,7 @@ <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" accesskey="I">index</a></li> - <li><a href="index.html">cas v0.15 documentation</a> »</li> + <li><a href="index.html">CAS v0.15 documentation</a> »</li> </ul> </div> @@ -77,7 +77,7 @@ <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" >index</a></li> - <li><a href="index.html">cas v0.15 documentation</a> »</li> + <li><a href="index.html">CAS v0.15 documentation</a> »</li> </ul> </div> diff --git a/doc/searchindex.js b/doc/searchindex.js index ae8a507..746faa2 100644 --- a/doc/searchindex.js +++ b/doc/searchindex.js @@ -1 +1 @@ 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1 0

contrib/traceback_filter
by Adam Stokes 09 Dec '09

09 Dec '09

contrib/traceback_filter | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) New commits: commit 302114609cac9740a91c9a082fd46c0265e01757 Author: adam stokes <astokes(a)fedoraproject.org> Date: Wed Dec 9 14:41:55 2009 -0500 - added altered license to accept gpl3 diff --git a/contrib/traceback_filter b/contrib/traceback_filter index 8734983..b6659a0 100755 --- a/contrib/traceback_filter +++ b/contrib/traceback_filter @@ -4,7 +4,8 @@ # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions -# of the GNU General Public License v.2. +# of the GNU General Public License, either version 2 of the License, or +# (at your option) any later version # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, @@ -42,7 +43,7 @@ else: -version = '0.6' +version = '0.7' debug = 0

1 0

cas cas.spec lib/cas
by Adam Stokes 09 Dec '09

09 Dec '09

cas | 8 +++++++- cas.spec | 4 ++-- lib/cas/core.py | 16 ++++++++++++++++ 3 files changed, 25 insertions(+), 3 deletions(-) New commits: commit 41c2f2a3ac68db44b9b5ccb52a1c5e84067cf318 Author: adam stokes <astokes(a)fedoraproject.org> Date: Wed Dec 9 14:28:09 2009 -0500 - add some compression help to keep things consistent diff --git a/cas b/cas index 7ae7415..73e1f7a 100755 --- a/cas +++ b/cas @@ -145,7 +145,7 @@ class CasApplication(object): def parse_options(self, args): # build option - arguement list in the form of - # cas -i <id> -f <filename> -m user(a)example.com + # cas -i <id> -f <filename> -e user(a)example.com parser = optparse.OptionParser(usage="cas [opts] args") parser.add_option("-i","--identifier", dest="identifier", help="Unique ID for core") @@ -156,8 +156,14 @@ class CasApplication(object): parser.add_option("-m","--modules", dest="kernel_modules", help="Extract associated kernel modules", action="store_true") + parser.add_option("-c","--compress", dest="compress", + action="store_true") self.opts, args = parser.parse_args() + self.compress = self.opts.compress + if self.compress: + return + if not self.opts.identifier: parser.error("A unique identifier number is missing.") elif not self.opts.filename: diff --git a/cas.spec b/cas.spec index 6d5453f..da2f119 100644 --- a/cas.spec +++ b/cas.spec @@ -12,9 +12,9 @@ BuildArch: noarch Url: http://fedorahosted.org/cas BuildRequires: python-devel %if 0%{?rhel} -Requires: python-sqlite crash python-paramiko +Requires: python-sqlite crash python-paramiko bzip2 %else -Requires: crash python-paramiko +Requires: crash python-paramiko bzip2 %endif %description diff --git a/lib/cas/core.py b/lib/cas/core.py index 9cf9080..8d2802e 100644 --- a/lib/cas/core.py +++ b/lib/cas/core.py @@ -114,3 +114,19 @@ class CoreBase(object): if out: return out raise CoreException("Unable to retrieve timestamp from: %s" % (path,)) + + def compressCore(self, corefile): + """ use pbzip2 to do compression + utilizing multiple cpu cores + """ + app = ["/usr/bin/pbzip2", "-z"] + if not os.path.isfile(app[0]): + # fallback on bzip2 silently if pbzip2 isn't installed + app = ["bzip2", "-z"] + app.append(corefile) + p = Popen(app, stdout=PIPE, stderr=PIPE) + err = p.stderr.read() + out = p.stdout.read() + if err: + raise CoreException("Unable to compress file: %s" % (err,)) + return

1 0

cas cas-admin cas.spec doc/index.rst
by Adam Stokes 09 Dec '09

09 Dec '09

cas | 17 ++++++++++------- cas-admin | 13 +++++++++---- cas.spec | 2 ++ doc/index.rst | 4 ++-- 4 files changed, 23 insertions(+), 13 deletions(-) New commits: commit aaa4af6fecbf5971e58e244da105123911f3abaa Author: adam stokes <astokes(a)fedoraproject.org> Date: Wed Dec 9 13:59:19 2009 -0500 - remove support for epel4/rhel4 - bump requirement to python 2.4 - include 2.6 libraries if on python version less than 2.6 diff --git a/cas b/cas index 2aa5f23..7ae7415 100755 --- a/cas +++ b/cas @@ -22,7 +22,14 @@ import smtplib import socket import paramiko -from cas.cas_subprocess import Popen, PIPE +# want to use improved libraries for subprocess and shutil +if sys.version_info[:2] < (2,6): + from cas.cas_subprocess import Popen, PIPE + import cas.cas_shutil as shutil +else: + from subprocess import Popen, PIPE + import shutil + from datetime import datetime from cas.network import Download, Executor, CasNetworkException @@ -31,12 +38,8 @@ from cas.db import CasStorage, CasStorageException from cas.util import UtilBase, Logging from cas.rpmutils import RPMBase -# shutil from python 2.6 includes several enhancements for our use -# mainly in the _move_ method. -import cas.cas_shutil as shutil - -if sys.version_info[:2] < (2,3): - raise SystemExit("Python >= 2.3 required") +if sys.version_info[:2] < (2,4): + raise SystemExit("Python >= 2.4 required") # Configuration parsing of /etc/cas.conf # TODO: rework config read to place all items diff --git a/cas-admin b/cas-admin index ca154a4..2b68d47 100755 --- a/cas-admin +++ b/cas-admin @@ -27,11 +27,16 @@ from cas.core import CoreBase from cas.util import UtilBase, Logging from cas.rpmutils import RPMBase from cas.db import CasStorage, CasStorageException -from cas.cas_subprocess import Popen, PIPE -from cas.cas_shutil import rmtree -if sys.version_info[:2] < (2,3): - raise SystemExit("Python >= 2.3 required") +if sys.version_info[:2] < (2,6): + from cas.cas_subprocess import Popen, PIPE + from cas.cas_shutil import rmtree +else: + from subprocess import Popen, PIPE + from shutil import rmtree + +if sys.version_info[:2] < (2,4): + raise SystemExit("Python >= 2.4 required") # Read in configuration config = ConfigParser.ConfigParser() diff --git a/cas.spec b/cas.spec index 0f566db..6d5453f 100644 --- a/cas.spec +++ b/cas.spec @@ -51,6 +51,8 @@ rm -rf ${RPM_BUILD_ROOT} %changelog * Wed Dec 9 2009 Adam Stokes <ajs at redhat dot com> - 0.15-2 - Test for pbzip2 for utilizing multiple cores during decompression +- Increment python requirement to 2.4 +- provide shutil, subprocess from 2.6 if on lower python version * Thu Oct 15 2009 Adam Stokes <ajs at redhat dot com> - 0.15-1 - Require paramiko for all remote executions diff --git a/doc/index.rst b/doc/index.rst index 087eb68..07f91e5 100644 --- a/doc/index.rst +++ b/doc/index.rst @@ -25,8 +25,8 @@ types to core dumps are automatically detected and processed. Prerequisites ^^^^^^^^^^^^^ -CAS needs at least **Python 2.3** to run. For systems that are not running -Fedora 9 or later (this would include RHEL 4/5) the EPEL repo needs to be +CAS needs at least **Python 2.4** to run. For systems that are not running +Fedora 9 or later (this would include RHEL 5) the EPEL repo needs to be installed. Visit `EPEL <https://fedoraproject.org/wiki/EPEL>`_ to enable this repository.

1 0

cas.conf cas.spec lib/cas
by Adam Stokes 09 Dec '09

09 Dec '09

cas.conf | 2 +- cas.spec | 5 ++++- lib/cas/core.py | 5 +++++ 3 files changed, 10 insertions(+), 2 deletions(-) New commits: commit 49f9b9e232090b7b19ebd9b5f63fd16c63b7ba76 Author: adam stokes <astokes(a)fedoraproject.org> Date: Wed Dec 9 13:50:02 2009 -0500 - test for pbzip2 diff --git a/cas.conf b/cas.conf index dfba27e..bf71c63 100644 --- a/cas.conf +++ b/cas.conf @@ -30,7 +30,7 @@ rpmFilter=.*kerne.+-debuginfo-[0-9].*\.rpm # NOTE: This is a temporary storage area for when # cpio is run against an rpm and extract the debug kernel # for a small amount of time. This could be something like -# /tmp if space permitted +# /home/cas/debugs if space permitted debugs=/home/cas/debugs # debug level (DEBUG, INFO) diff --git a/cas.spec b/cas.spec index 79e6aab..0f566db 100644 --- a/cas.spec +++ b/cas.spec @@ -3,7 +3,7 @@ Name: cas Summary: Tool to analyze and configure core file environment Version: 0.15 -Release: 1%{?dist} +Release: 2%{?dist} Source0: https://fedorahosted.org/releases/c/a/cas/%{name}-%{version}.tar.gz License: GPLv3+ Group: Development/Libraries @@ -49,6 +49,9 @@ rm -rf ${RPM_BUILD_ROOT} %doc AUTHORS LICENSE README PKG-INFO doc/* contrib/* %changelog +* Wed Dec 9 2009 Adam Stokes <ajs at redhat dot com> - 0.15-2 +- Test for pbzip2 for utilizing multiple cores during decompression + * Thu Oct 15 2009 Adam Stokes <ajs at redhat dot com> - 0.15-1 - Require paramiko for all remote executions - Rip out func code diff --git a/lib/cas/core.py b/lib/cas/core.py index d6a9bbe..9cf9080 100644 --- a/lib/cas/core.py +++ b/lib/cas/core.py @@ -30,6 +30,11 @@ class CoreBase(object): "tbz" : ["tar", "xvjf"], "bz2" : ["bunzip2", "-q"], "zip" : ["unzip", "-f"]} + # overwrite bz2 item if pbzip2 exists for use of multiple cores + # during compression + if os.path.isfile("/usr/bin/pbzip2"): + suffix_map["bz2"] = ["pbzip2", "-d"] + def string(offset, match): return data[offset:offset + len(match)] == match

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