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https://github.com/bashclub/check-zfs-replication.git
synced 2024-12-24 17:00:11 +01:00
Updated to version 3.05
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277f81bb1f
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69
checkzfs.py
69
checkzfs.py
@ -16,14 +16,14 @@
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## GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## 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.
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VERSION = 3.01
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VERSION = 3.05
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### for check_mk usage link or copy binary to check_mk_agent/local/checkzfs
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### create /etc/check_mk/checkzfs ## the config file name matches the filename in check_mk_agent/local/
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### to create a diffent set, link script to check_mk_agent/local/checkzfs2 and create /etc/check_mk/checkzfs2
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###
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### source: host1 # [optional] comma seperated hostnames to check for source
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### remote: host1 # [optional] " " "
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### remote: host1 # [optional] " " " remote
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### prefix: host1 # [optional] Prefix for check_mk Servicename - default REPLICA
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### filter: rpool/data|replica # [optional] regex filter to match source
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### replicafilter: remote # [optional] regex filter to match for replica snapshots
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@ -105,7 +105,6 @@ class zfs_dataset(object):
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self.lastsnapshot = ""
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def add_snapshot(self,**kwargs):
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#print ("Add snapshot"+repr(kwargs))
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_obj = zfs_snapshot(self,**kwargs) ## neuen snapshot mit parametern erstellen
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self.snapshots[_obj.guid] = _obj ## zu lokalen snapshots diesem DS hinzu
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return _obj ## snapshot objeckt zurück
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@ -122,14 +121,12 @@ class zfs_dataset(object):
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def sorted_snapshots(self):
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return sorted(self.snapshots.values(), key=lambda x: x.age) ## snapshots nach alter sortiert
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@property
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def dataset_name(self): ## namen mit host prefixen
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if self.remote:
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return f"{self.remote}#{self.dataset}"
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return self.dataset
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@property
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def latest_snapshot(self): ## letzten snapshot
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if self.snapshots:
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@ -139,18 +136,23 @@ class zfs_dataset(object):
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def get_info(self,source,threshold=None):
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_latest = self._get_latest_snapshot(source if source != self else None) ## wenn das source dataset nicht man selber ist
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_status = None
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_has_zfs_autosnapshot = any(map(lambda x: str(x.snapshot).startswith("zfs-auto-snap_"),self.snapshots.values()))
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_message = ""
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if source == self:
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if not self.replica:
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_status = 1 ## warn
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_message = _("kein Replikat gefunden")
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if self.autosnapshot == 2 and _has_zfs_autosnapshot:
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_status = 1 ## warn
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_message = _("com.sun:auto-snapshot ist auf der Quelle auf true und wird evtl. mit repliziert")
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else:
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if self.autosnapshot == 1:
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#_status = 1 ## warn
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_message = _("com.sun:auto-snapshot ist nicht gesetzt")
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elif self.autosnapshot == 2:
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#_status = 2 ## crit
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_message = _("com.sun:auto-snapshot ist auf Replikationspartner aktiviert")
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if _has_zfs_autosnapshot: ## nur auf systemen mit zfs-aut-snapshot
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if self.autosnapshot == 1:
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_status = 1 ## warn
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_message = _("com.sun:auto-snapshot ist nicht false")
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elif self.autosnapshot == 2:
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_status = 2 ## crit
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_message = _("com.sun:auto-snapshot ist auf Replikationspartner aktiviert")
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if _latest:
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_threshold_status = ""
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@ -203,6 +205,12 @@ class no_regex_class(object):
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def search(*args):
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return True
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class negative_regex_class(object):
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def __init__(self,compiled_regex):
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self.regex = compiled_regex
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def search(self,text):
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return not self.regex.search(text)
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class zfscheck(object):
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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)
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ZFS_DATASETS = {}
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@ -248,7 +256,7 @@ class zfscheck(object):
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}
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COLUMN_MAPPER = {}
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def __init__(self,remote,source,legacyhosts,output,prefix='REPLICA',**kwargs):
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def __init__(self,remote,source,legacyhosts,output,mail=None,prefix='REPLICA',**kwargs):
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_start_time = time.time()
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self.remote_hosts = remote.split(",") if remote else [""] if source else [] ## wenn nicht und source woanders ... "" (also lokal) als remote
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self.source_hosts = source.split(",") if source else [""] ## wenn nix dann "" als local
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@ -256,9 +264,10 @@ class zfscheck(object):
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self.filter = None
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self.prefix = prefix.strip().replace(" ","_") ## service name bei checkmk leerzeichen durch _ ersetzen
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self.rawdata = False
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self.mail_address = mail
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self._overall_status = []
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self.sortreverse = False
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self.output = output
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self.output = output if mail == None else "mail"
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self._check_kwargs(kwargs)
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self.get_data()
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if self.output != "snaplist":
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@ -325,7 +334,10 @@ class zfscheck(object):
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if _k in ("filter","snapshotfilter","replicafilter"):
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if _v:
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_v = re.compile(_v)
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if _v.startswith("!"):
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_v = negative_regex_class(re.compile(_v[1:]))
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else:
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_v = re.compile(_v)
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else:
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_v = no_regex_class() ### dummy klasse .search immer True - spart abfrage ob filter vorhanden
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@ -580,35 +592,39 @@ class zfscheck(object):
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_line_print = True
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return "\n".join(_out)
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def html_output(self,data):
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def html_output(self,data,columns=None):
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if not data:
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return ""
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_header = data[0].keys() if not self.columns else self.columns
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_header_names = [self.COLUMN_NAMES.get(i,i) for i in _header]
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_converter = dict((i,self.COLUMN_MAPPER.get(i,(lambda x: str(x)))) for i in _header)
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_hostname = socket.getfqdn()
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_out = []
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_out.append("<html><head>")
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_out.append("<style type='text/css'>.warn { background-color: yellow } .crit { background-color: red}</style>")
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_out.append("<meta name='color-scheme' content='only'>")
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_out.append("<style type='text/css'>td {font-weight: bold;} .warn { background-color: yellow; color: black; } .crit { background-color: red; color: black;}</style>")
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_out.append("<title>ZFS</title></head>")
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_out.append("<body><table border=1>")
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_out.append(f"<body><h2>{_hostname}</h2>")
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_out.append("<table border=1>")
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_out.append("<tr><th>{0}</th></tr>".format("</th><th>".join(_header_names)))
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for _item in self._datasort(data):
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_out.append("<tr class='{1}'><td>{0}</td></tr>".format("</td><td>".join([_converter.get(_col)(_item.get(_col,"")) for _col in _header]),_item.get("status","ok")))
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_out.append("<tr class='{1}'><td>{0}</td></tr>".format("</td><td>".join([_converter.get(_col)(_item.get(_col,"")) for _col in _header]),_converter["status"](_item.get("status","0"))))
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_out.append("</table></body></html>")
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return "".join(_out)
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def mail_output(self,data):
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_hostname = socket.getfqdn()
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_users = open("/etc/pve/user.cfg","rt").read()
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_email = "root@{0}".format(_hostname)
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_emailmatch = re.search("^user:root@pam:.*?:(?P<mail>[\w.]+@[\w.]+):.*?$",_users,re.M)
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if _emailmatch:
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_email = _emailmatch.group(1)
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_email = self.mail_address
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if not _email:
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_users = open("/etc/pve/user.cfg","rt").read()
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_email = "root@{0}".format(_hostname)
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_emailmatch = re.search("^user:root@pam:.*?:(?P<mail>[\w.]+@[\w.]+):.*?$",_users,re.M)
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if _emailmatch:
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_email = _emailmatch.group(1)
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#raise Exception("No PVE User Email found")
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_msg = EmailMessage()
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_msg.set_content(self.table_output(data,color=False))
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#_msg.add_alternative(self.html_output(data),subtype="html") ## FIXME wollte irgendwie nicht als multipart ..
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_msg.add_alternative(self.html_output(data),subtype="html") ## FIXME wollte irgendwie nicht als multipart ..
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#_attach = MIMEApplication(self.csv_output(data),Name="zfs-check_{0}.csv".format(_hostname))
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#_attach["Content-Disposition"] = "attachement; filename=zfs-check_{0}.csv".format(_hostname)
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#_msg.attach(_attach)
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@ -654,6 +670,8 @@ if __name__ == "__main__":
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help=_("Zeige nur folgende Spalten ({0})".format(",".join(zfscheck.VALIDCOLUMNS))))
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_parser.add_argument("--sort",type=str,choices=zfscheck.VALIDCOLUMNS,
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help=_("Sortiere nach Spalte"))
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_parser.add_argument("--mail",type=str,
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help=_("Email für den Versand"))
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_parser.add_argument("--threshold",type=str,
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help=_("Grenzwerte für Alter von Snapshots warn,crit"))
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_parser.add_argument("--rawdata",action="store_true",
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@ -693,7 +711,6 @@ if __name__ == "__main__":
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except:
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pass
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args.output = "checkmk"
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#sys.stderr.write(repr(args.__dict__))
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try:
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ZFSCHECK_OBJ = zfscheck(**args.__dict__)
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pass ## for debugger
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