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Update to version 4.01

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Thorsten Spille 2021-12-11 22:07:11 +01:00
parent 888ad2b4d7
commit 9f1853a4c9
1 changed files with 51 additions and 19 deletions
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checkzfs.py
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@ -16,7 +16,7 @@
## GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
VERSION = 3.17
VERSION = 4.01
### for check_mk usage link or copy binary to check_mk_agent/local/checkzfs
### create /etc/check_mk/checkzfs ## the config file name matches the filename in check_mk_agent/local/
@ -28,7 +28,8 @@ VERSION = 3.17
### filter: rpool/data|replica # [optional] regex filter to match source
### replicafilter: remote # [optional] regex filter to match for replica snapshots
### snapshotfilter: # [optional] regex filter to match snapshot name
### threshold: 20,40 # [optional] threshods warn,crit in minutes
### threshold: 20,40 # [optional] threshold warn,crit in minutes
### maxsnapshots: 60,80 # [optional] threshold maximum of snapshots warn,crit
### ssh-extra-options: # [optional] comma seperated ssh options like added with -o
### ssh-identity: /path/to/priv.key # [optional] path to ssh private key
### disabled: 1 # [optional] disable the script with this config
@ -67,13 +68,14 @@ from email.utils import formatdate
_ = lambda x: x ## inline translate ... maybe later
class zfs_snapshot(object):
def __init__(self,dataset_obj,snapshot,creation,guid,written,**kwargs):
def __init__(self,dataset_obj,snapshot,creation,guid,written,origin,**kwargs):
self.replica = []
self.dataset_obj = dataset_obj
self.snapshot = snapshot
self.creation = int(creation)
self.age = int(time.time() - self.creation)
self.written = int(written)
self.origin = origin
self.guid = guid
def add_replica(self,snapshot):
@ -135,7 +137,7 @@ class zfs_dataset(object):
def get_info(self,source,threshold=None,ignore_replica=False):
_latest = self._get_latest_snapshot(source if source != self else None) ## wenn das source dataset nicht man selber ist
_status = None
_status = -1
_has_zfs_autosnapshot = any(map(lambda x: str(x.snapshot).startswith("zfs-auto-snap_"),self.snapshots.values()))
_message = ""
if source == self:
@ -166,7 +168,7 @@ class zfs_dataset(object):
)
)
if not _threshold_status:
if not _status:
if _status == -1:
_status = 0 ## ok
else:
_message = _("Snapshot ist zu alt")
@ -190,6 +192,7 @@ class zfs_dataset(object):
"snapshot" : _latest.snapshot if _latest else "",
"age" : _latest.age if _latest else 0,
"written" : _latest.written if _latest else 0,
"origin" : _latest.origin if _latest else "",
"guid" : _latest.guid if _latest else "",
"status" : _status,
"message" : _message
@ -212,7 +215,7 @@ class negative_regex_class(object):
return not self.regex.search(text)
class zfscheck(object):
ZFSLIST_REGEX = re.compile("^(?P<dataset>.*?)(?:|@(?P<snapshot>.*?))\t(?P<type>\w*)\t(?P<creation>\d+)\t(?P<guid>\d+)\t(?P<used>\d+|-)\t(?P<available>\d+|-)\t(?P<written>\d+|-)\t(?P<autosnapshot>[-\w]+)\t(?P<checkzfs>[-\w]+)$",re.M)
ZFSLIST_REGEX = re.compile("^(?P<dataset>.*?)(?:|@(?P<snapshot>.*?))\t(?P<type>\w*)\t(?P<creation>\d+)\t(?P<guid>\d+)\t(?P<used>\d+|-)\t(?P<available>\d+|-)\t(?P<written>\d+|-)\t(?P<origin>.*?)\t(?P<autosnapshot>[-\w]+)\t(?P<checkzfs>[-\w]+)$",re.M)
ZFS_DATASETS = {}
ZFS_SNAPSHOTS = {}
#VALIDCOLUMNS = ["source","replica","type","autosnap","snapshot","creation","guid","used","referenced","size","age","status","message"] ## valid columns
@ -237,6 +240,7 @@ class zfscheck(object):
"available" : _("verfügbar"),
"replica" : _("Replikat"),
"written" : _("geschrieben"),
"origin" : _("Ursprung"),
"autosnapshot" : _("Autosnapshot"),
"message" : _("Kommentar")
}
@ -256,13 +260,15 @@ class zfscheck(object):
}
COLUMN_MAPPER = {}
def __init__(self,remote,source,legacyhosts,output,mail=None,prefix='REPLICA',debug=False,**kwargs):
def __init__(self,remote,source,sourceonly,legacyhosts,output,mail=None,prefix='REPLICA',debug=False,**kwargs):
_start_time = time.time()
self.remote_hosts = remote.split(",") if remote else [""] if source else [] ## wenn nicht und source woanders ... "" (also lokal) als remote
self.remote_hosts = remote.split(",") if remote else [""] if source and not sourceonly else [] ## wenn nicht und source woanders ... "" (also lokal) als remote
self.source_hosts = source.split(",") if source else [""] ## wenn nix dann "" als local
self.legacy_hosts = legacyhosts.split(",") if legacyhosts else []
self.sourceonly = sourceonly
self.filter = None
self.debug = debug
self.print_debug(f"Version: {VERSION}")
self.prefix = prefix.strip().replace(" ","_") ## service name bei checkmk leerzeichen durch _ ersetzen
self.rawdata = False
self.mail_address = mail
@ -271,15 +277,18 @@ class zfscheck(object):
self.output = output if mail == None else "mail"
self.print_debug(f"set attribute: remote -> {self.remote_hosts!r}")
self.print_debug(f"set attribute: source -> {self.source_hosts!r}")
self.print_debug(f"set attribute: sourceonly -> {sourceonly!r}")
self.print_debug(f"set attribute: prefix -> {prefix!r}")
if legacyhosts:
self.print_debug(f"set attribute: legacyhosts -> {self.legacy_hosts}")
self._check_kwargs(kwargs)
self.print_debug(f"set attribute: output -> {self.output!r}")
self.get_data()
if self.output != "snaplist":
_data = self.get_output()
else:
print(self.get_snaplist())
if self.output == "text":
if self.output == "text" or self.output == "":
print(self.table_output(_data))
if self.output == "html":
print( self.html_output(_data))
@ -339,6 +348,14 @@ class zfscheck(object):
_v = (float("inf"),_v[0])
_v = sorted(_v) ## kleinere Wert ist immer warn
if _k == "maxsnapshots" and _v:
_v = _v.split(",")
## todo tage etc
_v = list(map(int,_v[:2])) ## convert zu int
if len(_v) == 1:
_v = (float("inf"),_v[0])
_v = sorted(_v) ## kleinere Wert ist immer warn
if _k in ("filter","snapshotfilter","replicafilter"):
if _v:
if _v.startswith("!"):
@ -413,6 +430,7 @@ class zfscheck(object):
_snapshot = _dataset.add_snapshot(**_entry) ## snapshot dem dataset hinzufügen .. eigentliche verarbeitung Klasse oben snapshot object wird zurück gegeben
_source_snapshot = self.ZFS_SNAPSHOTS.get(_snapshot.guid) ## suchen ob es einen source gibt
if _source_snapshot: ## wenn es schon eine gleiche guid gibt
if self.replicafilter.search(_dataset.dataset_name):
_source_snapshot.add_replica(_snapshot) ## replica hinzu
self.print_debug(f"computation time: {_execution_time:0.2f} sec / iterations: {_iteration} / matched snapshots: {_matched_snapshots} / filtered snaphots: {_filtered_snapshots}")
@ -451,8 +469,8 @@ class zfscheck(object):
if self.sourceonly == True:
continue
for _replica in _dataset.replica: ## jetzt das dataset welches als source angezeigt wird (alle filter etc entsprochen nach replika durchsuchen
if not self.replicafilter.search(_replica.dataset_name):
continue
#if not self.replicafilter.search(_replica.dataset_name):
# continue
_replica_info = _replica.get_info(_dataset,threshold=self.threshold) ## verarbeitung ausgabe aus klasse
self._overall_status.append(_replica_info.get("status",-1)) ## fehler aus replica zu overall status für mail adden
_output.append(_replica_info)
@ -464,7 +482,7 @@ class zfscheck(object):
yield _match.groupdict()
def _call_proc(self,remote=None):
ZFS_ATTRIBUTES = "name,type,creation,guid,used,available,written,com.sun:auto-snapshot,tv.sysops:checkzfs" ## wenn ändern dann auch regex oben anpassen
ZFS_ATTRIBUTES = "name,type,creation,guid,used,available,written,origin,com.sun:auto-snapshot,tv.sysops:checkzfs" ## wenn ändern dann auch regex oben anpassen
### eigentlicher zfs aufruf, sowohl local als auch remote
zfs_args = ["zfs", "list",
"-t", "all",
@ -580,6 +598,14 @@ class zfscheck(object):
_used = _item.get("used","0")
if _status == -1: ## tv.sysops:checkzfs=ignore wollen wir nicht
continue
if self.maxsnapshots:
_warn = self.maxsnapshots[0]
_crit = self.maxsnapshots[1]
_maxsnapshots = f"{_warn};{_crit}"
if _status == 0:
_status = "P"
else:
_maxsnapshots = ";"
if self.threshold:
_warn = self.threshold[0] * 60
_crit = self.threshold[1] * 60
@ -588,7 +614,7 @@ class zfscheck(object):
_threshold = ";"
_msg = _item.get("message","").strip()
_msg = _msg if len(_msg) > 0 else "OK" ## wenn keine message ... dann OK
_out.append(f"{_status} {self.prefix}:{_source} age={_age};{_threshold}|creation={_creation};;|file_size={_written};;|fs_used={_used};;|file_count={_count};; {_replica} - {_msg}")
_out.append(f"{_status} {self.prefix}:{_source} age={_age};{_threshold}|creation={_creation};;|file_size={_written};;|fs_used={_used};;|file_count={_count};{_maxsnapshots} {_replica} - {_msg}")
if self.piggyback != "":
_out.insert(0,f"<<<<{self.piggyback}>>>>\n<<<local:sep(0)>>>")
@ -704,7 +730,7 @@ if __name__ == "__main__":
help=_("Regex Filter Snapshot snapshots die überhaupt benutzt werden (z.B. daily)"))
_parser.add_argument("--replicafilter",type=str,
help=_("Regex Filter wo nach replikaten gesucht werden soll (z.B. remote)"))
_parser.add_argument("--output",type=str,default="text",choices=["html","text","mail","checkmk","json","csv","snaplist"],
_parser.add_argument("--output",type=str,default="",choices=["html","text","mail","checkmk","json","csv","snaplist"],
help=_("Ausgabeformat"))
_parser.add_argument("--columns",type=str,
help=_("Zeige nur folgende Spalten ({0})".format(",".join(zfscheck.VALIDCOLUMNS))))
@ -716,6 +742,8 @@ if __name__ == "__main__":
help=_("Email für den Versand"))
_parser.add_argument("--threshold",type=str,
help=_("Grenzwerte für Alter von Snapshots warn,crit"))
_parser.add_argument("--maxsnapshots",type=str,
help=_("Grenzwerte für maximale Snapshots warn,crit"))
_parser.add_argument("--rawdata",action="store_true",
help=_("zeigt Daten als Zahlen"))
_parser.add_argument("--snaplist","-s",action="store_const",dest="output",const="snaplist",
@ -736,7 +764,7 @@ if __name__ == "__main__":
_is_checkmk_plugin = os.path.dirname(os.path.abspath(__file__)).find("/check_mk_agent/local") > -1 ## wenn im check_mk ordner
if _is_checkmk_plugin:
try: ## parse check_mk options
CONFIG_KEYS="disabled|source|sourceonly|piggyback|remote|legacyhosts|prefix|filter|replicafilter|threshold|snapshotfilter|ssh-identity|ssh-extra-options"
CONFIG_KEYS="disabled|source|sourceonly|piggyback|remote|legacyhosts|prefix|filter|replicafilter|threshold|maxsnapshots|snapshotfilter|ssh-identity|ssh-extra-options"
_config_regex = re.compile(f"^({CONFIG_KEYS}):\s*(.*?)(?:\s+#|$)",re.M)
_basename = os.path.basename(__file__).split(".")[0] ## name für config ermitteln aufgrund des script namens
_config_file = f"/etc/check_mk/{_basename}"
@ -754,11 +782,15 @@ if __name__ == "__main__":
if _k == "disabled" and _v.lower().strip() in ( "1","yes","true"): ## wenn disabled dann ignorieren check wird nicht durchgeführt
os._exit(0)
if _k == "sourceonly":
args.__dict__["sourceonly"] == bool(_v.lower().strip() in ( "1","yes","true"))
args.sourceonly = bool(_v.lower().strip() in ( "1","yes","true"))
elif _k == "prefix":
args.__dict__["prefix"] = _v.strip()
elif not args.__dict__.get(_k.replace("-","_"),None):
args.__dict__[_k.replace("-","_")] = _v.strip()
except:
pass
args.output = "checkmk"
args.output = "checkmk" if not args.output else args.output
try:
ZFSCHECK_OBJ = zfscheck(**args.__dict__)
pass ## for debugger