diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/sos/plugins/kernel.py | 53 | ||||
| -rw-r--r-- | src/lib/sos/plugintools.py | 7 | ||||
| -rwxr-xr-x | src/sosreport | 9 |
3 files changed, 60 insertions, 9 deletions
diff --git a/src/lib/sos/plugins/kernel.py b/src/lib/sos/plugins/kernel.py index 56f186c1..9f96a777 100644 --- a/src/lib/sos/plugins/kernel.py +++ b/src/lib/sos/plugins/kernel.py @@ -13,17 +13,42 @@ ## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. import sos.plugintools -import commands, os +import commands, os, re class kernel(sos.plugintools.PluginBase): """This plugin gathers kernel related information """ optionList = [("modinfo", 'Gathers module information on all modules', 'fast', 1), ('sysrq', 'Trigger SysRq dumps', 'fast', 1)] + moduleFile = "" + taintList = [ + {'regex':'mvfs*', 'description':'Clearcase module'}, + {'regex':'vnode*', 'description':'Clearcase module'}, + {'regex':'vxfs*', 'description':'Veritas file system module'}, + {'regex':'vxportal*', 'description':'Veritas module'}, + {'regex':'vxdmp*', 'description':'Veritas dynamic multipathing module'}, + {'regex':'vxio*', 'description':'Veritas module'}, + {'regex':'vxspec*"', 'description':'Veritas module'}, + {'regex':'dcd*', 'description':'Dell OpenManage Server Administrator module'}, + {'regex':'ocfs', 'description':'Oracle cluster filesystem module'}, + {'regex':'oracle*', 'description':'Oracle module'}, + {'regex':'vmnet*', 'description':'VMware module'}, + {'regex':'vmmon*', 'description':'VMware module'}, + {'regex':'egenera*', 'description':'Egenera module'}, + {'regex':'emcp*', 'description':'EMC module'}, + {'regex':'ocfs*', 'description':'OCFS module'}, + {'regex':'nvidea', 'description':'nVidea module'}, + {'regex':'ati-', 'description':'ATI module'} + ] + + # HP + # + # + def setup(self): self.collectExtOutput("/bin/uname -a") - self.collectExtOutput("/sbin/lsmod") + self.moduleFile = self.collectOutputNow("/sbin/lsmod") if self.isOptionEnabled('modinfo'): for kmod in commands.getoutput('/sbin/lsmod | /bin/cut -f1 -d" " 2>/dev/null | /bin/grep -v Module 2>/dev/null').split('\n'): if '' != kmod.strip(): @@ -43,6 +68,7 @@ class kernel(sos.plugintools.PluginBase): self.collectExtOutput("/usr/sbin/dkms status") self.addCopySpec("/proc/cmdline") self.addCopySpec("/proc/driver") + self.addCopySpec("/proc/sys/kernel/tainted") # trigger some sysrq's. I'm not sure I like doing it this way, but # since we end up with the sysrq dumps in syslog whether we run the # syslog report before or after this, I suppose I can live with it. @@ -59,3 +85,26 @@ class kernel(sos.plugintools.PluginBase): return + def analyze(self): + savedtaint = os.path.join(self.cInfo['dstroot'], "/proc/sys/kernel/tainted") + infd = open(savedtaint, "r") + line = infd.read() + infd.close() + line = line.strip() + if (line != "0"): + self.addAlert("Kernel taint flag is <%s>\n" % line) + + + infd = open(self.moduleFile, "r") + modules = infd.readlines() + infd.close() + + #print(modules) + for tainter in self.taintList: + p = re.compile(tainter['regex']) + for line in modules: + if p.match(line) != None: + # found a taint match, create an alert + moduleName = line.split()[0] + self.addAlert("Check for tainted kernel by module %s, which is %s" % (moduleName, tainter['description'])) + return diff --git a/src/lib/sos/plugintools.py b/src/lib/sos/plugintools.py index ac057dba..2ac67eeb 100644 --- a/src/lib/sos/plugintools.py +++ b/src/lib/sos/plugintools.py @@ -299,10 +299,11 @@ class PluginBase: self.customText = self.customText + text return - def doCollect(self, verbosity): + def doCollect(self): """ create a thread which calls the copyStuff method for a plugin """ + verbosity = self.cInfo['verbosity'] self.thread = Thread(target=self.copyStuff, name=self.piName+'-thread', args=(verbosity,)) self.thread.start() @@ -312,7 +313,7 @@ class PluginBase: """ self.thread.join() - def copyStuff(self, verbosity): + def copyStuff(self): """ Collect the data for a plugin """ @@ -342,7 +343,7 @@ class PluginBase: """ pass - def analyze(self, verbosity): + def analyze(self): """ perform any analysis. To be replaced by a plugin if desired """ diff --git a/src/sosreport b/src/sosreport index a842f3ee..998f3653 100755 --- a/src/sosreport +++ b/src/sosreport @@ -149,7 +149,8 @@ def sosreport(): logfd = open(logdir + "/sos.log", "w") # set up dict so everyone can share the following - commons = {'dstroot': dstroot, 'cmddir': cmddir, 'logdir': logdir, 'rptdir': rptdir, 'logfd': logfd, 'policy': policy} + commons = {'dstroot': dstroot, 'cmddir': cmddir, 'logdir': logdir, 'rptdir': rptdir, + 'logfd': logfd, 'policy': policy, 'verbosity' : __cmdLineOpts__.verbosity} # validate and load plugins @@ -226,9 +227,9 @@ def sosreport(): if __cmdLineOpts__.verbosity > 0: print "Executing plugin %s" % plugname if __cmdLineOpts__.multithread: - plug.doCollect(__cmdLineOpts__.verbosity) + plug.doCollect() else: - plug.copyStuff(__cmdLineOpts__.verbosity) + plug.copyStuff() # Wait for all the collection threads to exit if __cmdLineOpts__.multithread: @@ -241,7 +242,7 @@ def sosreport(): for plugname, plug in loadedplugins: if __cmdLineOpts__.verbosity > 1: print "Analyzing results of plugin %s" % plugname, - plug.analyze(__cmdLineOpts__.verbosity) + plug.analyze() # Sort the module names to do the report in alphabetical order loadedplugins.sort() |