def mib2pysnmp2(mib_file, output_dir):
"""
The 'build-pysnmp-mib' script we previously used is no longer available
Latest pysmi has the ability to generate a .py file from .mib automatically
:param mib_file: path to the .mib file we want to compile
:param output_dir: path to the output directory
:return: True if we successfully compile the .mib to a .py
"""
logger.debug('Compiling mib file: %s', mib_file)
# create a mib compiler with output dir
mibCompiler = MibCompiler(SmiV2Parser(), PySnmpCodeGen(),
PyFileWriter(output_dir))
# add default sources and mib_file's location
mibCompiler.addSources(FileReader('/usr/share/mibs/ietf'))
mibCompiler.addSources(FileReader('/usr/share/mibs/iana'))
mibCompiler.addSources(
FileReader(os.path.dirname(os.path.abspath(mib_file))))
# add searchers
mibCompiler.addSearchers(PyFileSearcher(output_dir))
mibCompiler.addSearchers(PyPackageSearcher('pysnmp.mibs'))
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# compile, there should be a MIBFILE.py generated under output_dir
mibName = os.path.basename(mib_file).replace('.mib', '')
results = mibCompiler.compile(mibName)
if results[mibName] == 'compiled' or results[mibName] == 'untouched':
return True
return False
def addMibCompiler(mibBuilder, **kwargs):
if kwargs.get('ifNotAdded') and mibBuilder.getMibCompiler():
return
compiler = MibCompiler(
parserFactory(**smiV1Relaxed)(),
PySnmpCodeGen(),
PyFileWriter(kwargs.get('destination') or defaultDest)
)
compiler.addSources(*getReadersFromUrls(*kwargs.get('sources') or defaultSources))
compiler.addSearchers(
StubSearcher(*baseMibs) # XXX
)
compiler.addSearchers(
*[ PyPackageSearcher(x.fullPath()) for x in mibBuilder.getMibSources() ]
)
compiler.addBorrowers(
*[ PyFileBorrower(x, genTexts=mibBuilder.loadTexts) for x in getReadersFromUrls(*kwargs.get('borrowers') or defaultBorrowers, **dict(lowcaseMatching=False)) ]
)
mibBuilder.setMibCompiler(
compiler, kwargs.get('destination') or defaultDest
)
def run(self):
# At this point, dependencies should already be installed, so import the compiler only now
if os.path.isfile('check_power/NETTRACK-E3METER-SNMP-MIB.py'):
print("File already compiled, skipping...")
else:
from pysmi.reader import getReadersFromUrls
from pysmi.parser import SmiV1CompatParser
from pysmi.compiler import MibCompiler
from pysmi.searcher.stub import StubSearcher
from pysmi.writer.pyfile import PyFileWriter
from pysmi.codegen.pysnmp import PySnmpCodeGen, baseMibs
mibSources = [
os.path.abspath(os.path.dirname('./e3meter-ipm.mib')),
'http://mibs.snmplabs.com/asn1/@mib@'
]
mibCompiler = MibCompiler(
SmiV1CompatParser(), PySnmpCodeGen(),
PyFileWriter(
os.path.join(
os.path.abspath(os.path.dirname('./e3meter-ipm.mib')),
"check_power")))
mibCompiler.addSources(*getReadersFromUrls(*mibSources))
mibCompiler.addSearchers(StubSearcher(*baseMibs))
results = mibCompiler.compile(os.path.abspath('./e3meter-ipm.mib'))
print(results)
build.run(self)
def _compile_cloudify_mib():
mibs_dir = "pysnmp_mibs"
if os.path.exists('{0}/{1}.py'.format(mibs_dir, CLOUDIFY_MIB)):
return
mib_compiler = MibCompiler(SmiV2Parser(), PySnmpCodeGen(),
PyFileWriter(mibs_dir))
cloudify_mib_dir = os.path.dirname(os.path.realpath(__file__))
mib_compiler.addSources(FileReader(cloudify_mib_dir))
mib_compiler.addSources(HttpReader('mibs.snmplabs.com', 80, '/asn1/@mib@'))
mib_compiler.addSearchers(PyFileSearcher(mibs_dir))
mib_compiler.compile(CLOUDIFY_MIB)
from pysmi.codegen.pysnmp import PySnmpCodeGen, baseMibs
from pysmi.compiler import MibCompiler
from pysmi import debug
#debug.setLogger(debug.Debug('borrower', 'reader', 'searcher'))
inputMibs = ['BORROWED-MIB']
httpSources = [('mibs.snmplabs.com', 80, '/asn1/@mib@')]
httpBorrowers = [('mibs.snmplabs.com', 80, '/pysnmp/notexts/@mib@')]
dstDirectory = '.pysnmp-mibs'
# Initialize compiler infrastructure
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(), PySnmpCodeGen(),
PyFileWriter(dstDirectory))
# search for source MIBs at Web sites
mibCompiler.addSources(*[HttpReader(*x) for x in httpSources])
# never recompile MIBs with MACROs
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# check compiled/borrowed MIBs in our own productions
mibCompiler.addSearchers(PyFileSearcher(dstDirectory))
# search for compiled MIBs at Web sites if source is not available or broken
mibCompiler.addBorrowers(*[
PyFileBorrower(HttpReader(*x)).setOptions(genTexts=False)
for x in httpBorrowers
])
Try various filenames while searching for MIB module: %s
""" % (', '.join(sorted(mibSources)), ', '.join(
sorted([x[0] for x in mibBorrowers if x[1] == genMibTextsFlag])),
', '.join(mibSearchers), dstDirectory, ', '.join(sorted(mibStubs)),
', '.join(sorted(inputMibs)), dstFormat, cacheDirectory
or 'not used', nodepsFlag and 'no' or 'yes', rebuildFlag and 'yes'
or 'no', dryrunFlag and 'yes' or 'no', pyCompileFlag and 'yes'
or 'no', pyOptimizationLevel, ignoreErrorsFlag and 'yes'
or 'no', buildIndexFlag and 'yes' or 'no', genMibTextsFlag and 'yes'
or 'no', doFuzzyMatchingFlag and 'yes' or 'no'))
# Initialize compiler infrastructure
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(tempdir=cacheDirectory), NetSnmpCodeGen(),
PyFileWriter(dstDirectory).setOptions(
pyCompile=pyCompileFlag, pyOptimizationLevel=pyOptimizationLevel))
try:
mibCompiler.addSources(*getReadersFromUrls(
*mibSources, **dict(fuzzyMatching=doFuzzyMatchingFlag)))
mibCompiler.addSearchers(PyFileSearcher(dstDirectory))
for mibSearcher in mibSearchers:
mibCompiler.addSearchers(PyPackageSearcher(mibSearcher))
mibCompiler.addSearchers(StubSearcher(*mibStubs))
mibCompiler.addBorrowers(*[
PyFileBorrower(x[1], genTexts=mibBorrowers[x[0]][1])
for x in enumerate(
from pysmi import debug
#debug.setLogger(debug.Debug('all'))
inputMibs = [ 'IF-MIB', 'IP-MIB' ]
httpSources = [
('mibs.snmplabs.com', 80, '/asn1/@mib@')
]
ftpSources = [
('ftp.cisco.com', '/pub/mibs/v2/@mib@')
]
dstDirectory = '.pysnmp-mibs'
# Initialize compiler infrastructure
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(), PySnmpCodeGen(), PyFileWriter(dstDirectory)
)
# search for source MIBs at Web and FTP sites
mibCompiler.addSources(*[ HttpReader(*x) for x in httpSources ])
mibCompiler.addSources(*[ FtpReader(*x) for x in ftpSources ])
# never recompile MIBs with MACROs
mibCompiler.addSearchers(StubSearcher(*baseMibs))
# run non-recursive MIB compilation
results = mibCompiler.compile(*inputMibs, **dict(noDeps=True))
print('Results: %s' % ', '.join(['%s:%s' % (x, results[x]) for x in results]))
def storeMib(config, mib, mibdir=None, fetchRemote=False):
"""
A function to compile, store new mibs
Mostly got the code from
https://raw.githubusercontent.com/etingof/pysmi/master/scripts/mibdump.py
"""
cacheDir = '/tmp/'
log.debug("Collecting MIB resources")
mibSearchers = defaultMibPackages
log.debug("Searches")
mibStubs = [x for x in baseMibs if x not in fakeMibs]
log.debug("Stubs")
mibSources = ["file://{}".format(x) for x in config["mibs"]["locations"]]
log.debug("MIB sources from config")
if mibdir != None:
mibSources.append("file://{}".format(mibdir))
log.debug("MIB source from param")
# if "mib" is a path, add it to the sources.
if os.path.sep in mib:
mibSources.append(os.path.abspath(os.path.dirname(mib)))
log.debug("MIB source from '{}'".format(mib))
if fetchRemote:
mibSources.append('http://mibs.snmplabs.com/asn1/@mib@')
log.debug("Added remote mib source.")
log.info("Using MIB sources: [{}]".format(", ".join(mibSources)))
log.info("Using dest: {}".format(config['mibs']['compiled']))
log.info("Initialize compiler")
try:
mibCompiler = MibCompiler(
parserFactory(**smiV1Relaxed)(tempdir=cacheDir), PySnmpCodeGen(),
PyFileWriter(config['mibs']['compiled']).setOptions(
pyCompile=True, pyOptimizationLevel=0))
print(mibSources)
except Exception as e:
log.error("Exception! {}".format(e))
log.debug("Adding sources to compiler")
try:
mibCompiler.addSources(
*getReadersFromUrls(*mibSources, **dict(fuzzyMatching=True)))
mibCompiler.addSearchers(PyFileSearcher(config['mibs']['compiled']))
for mibSearcher in mibSearchers:
mibCompiler.addSearchers(PyPackageSearcher(mibSearcher))
mibCompiler.addSearchers(StubSearcher(*mibStubs))
log.debug("Starting compilation of {}".format(mib))
processed = mibCompiler.compile(
*[mib],
**dict(noDeps=False,
rebuild=False,
dryRun=False,
genTexts=False,
ignoreErrors=False))
mibCompiler.buildIndex(processed, dryRun=False, ignoreErrors=False)
except smiError.PySmiError as e:
log.error("Compilation failed: {}".format(e))
raise exceptions.MibCompileError(e)
errors = [(x, processed[x].error) for x in sorted(processed)
if processed[x] == 'failed']
compiled = [(x, processed[x].alias) for x in sorted(processed)
if processed[x] == 'compiled']
missing = [x for x in sorted(processed) if processed[x] == 'missing']
for mib in compiled:
log.info("Compiled {} ({})".format(mib[0], mib[1]))
if len(errors) > 0 or len(missing) > 0:
for error in errors:
log.error("Could not process {} MIB: {}".format(
error[0], error[1]))
for mis in missing:
log.error("Could not find {}".format(mis))
raise exceptions.MibCompileFailed(errors)
log.info("Done without errors")
print(processed)