def create_mib(self, data):
# Deserialze
d = ujson.loads(data)
# Create MIB
mib = MIB(name=d["name"], description=d["description"],
last_updated=self.decode_date(d["last_updated"]),
version=d.get("version", 0),
depends_on=d["depends_on"])
mib.save()
# Upload
if d["data"]:
mib.load_data(d["data"])
def compile(self, data):
"""
Compile MIB, upload to database and store MIB file
:param data: MIB text
:return:
"""
if not config.path.smilint or not os.path.exists(config.path.smilint):
return {
"status": False,
"msg": "smilint is missed",
"error": ERR_MIB_TOOL_MISSED
}
if not config.path.smilint or not os.path.exists(config.path.smidump):
return {
"status": False,
"msg": "smidump is missed",
"error": ERR_MIB_TOOL_MISSED
}
# Put data to temporary file
with temporary_file(data) as tmp_path:
# Pass MIB through smilint to detect missed modules
self.logger.debug(
"Pass MIB through smilint to detect missed modules")
f = subprocess.Popen([config.path.smilint, "-m", tmp_path],
stderr=subprocess.PIPE,
env=self.SMI_ENV).stderr
for l in f:
match = self.rx_module_not_found.search(l.strip())
if match:
return {
"status": False,
"msg": "Required MIB missed: %s" % match.group(1),
"code": ERR_MIB_MISSED,
}
self.logger.debug("Convert MIB to python module and load")
# Convert MIB to python module and load
with temporary_file() as py_path:
subprocess.check_call(
[
config.path.smidump, "-k", "-q", "-f", "python", "-o",
py_path, tmp_path
],
env=self.SMI_ENV,
)
with open(py_path) as f:
p_data = unicode(f.read(), "ascii",
"ignore").encode("ascii")
with open(py_path, "w") as f:
f.write(p_data)
m = imp.load_source("mib", py_path)
# NOW we can deduce module name
mib_name = m.MIB["moduleName"]
# Check module dependencies
depends_on = {} # MIB Name -> Object ID
self.logger.debug("Check module dependencies: %s",
m.MIB.get("imports", ""))
if "imports" in m.MIB:
for i in m.MIB["imports"]:
if "module" not in i:
continue
rm = i["module"]
if rm in depends_on:
continue
md = MIB.get_by_name(rm)
if md is None:
return {
"status": False,
"msg": "Required MIB missed: %s" % rm,
"code": ERR_MIB_MISSED,
}
depends_on[rm] = md
# Get MIB latest revision date
try:
last_updated = datetime.datetime.strptime(
sorted([x["date"]
for x in m.MIB[mib_name]["revisions"]])[-1],
"%Y-%m-%d %H:%M")
except ValueError:
last_updated = datetime.datetime(year=1970, month=1, day=1)
self.logger.debug("Extract MIB typedefs")
# Extract MIB typedefs
typedefs = {}
if "typedefs" in m.MIB:
for t in m.MIB["typedefs"]:
typedefs[t] = MIB.parse_syntax(m.MIB["typedefs"][t])
# Check mib already uploaded
mib_description = m.MIB[mib_name].get("description", None)
mib = MIB.objects.filter(name=mib_name).first()
if mib is not None:
mib.description = mib_description
mib.last_updated = last_updated
mib.depends_on = sorted(depends_on)
mib.typedefs = typedefs
mib.save()
# Delete all MIB Data
mib.clean()
else:
# Create MIB
mib = MIB(
name=mib_name,
description=mib_description,
last_updated=last_updated,
depends_on=sorted(depends_on),
typedefs=typedefs,
)
mib.save()
# Upload MIB data
cdata = []
for i in ["nodes", "notifications"]:
if i in m.MIB:
cdata += [{
"name":
"%s::%s" % (mib_name, node),
"oid":
v["oid"],
"description":
v.get("description"),
"syntax":
v["syntax"]["type"] if "syntax" in v else None,
} for node, v in six.iteritems(m.MIB[i])]
mib.load_data(cdata)
# Move file to permanent place
safe_rewrite(self.get_path(mib_name), data)
return {"status": True, "mib": mib_name}
