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Compendium of generic DNS utilities.
.. note::
Some functions in the ``dnsutil`` execution module depend on ``dig``.
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Generic, should work on any platform (including Windows). Functionality
which requires dependencies outside of Python do not belong in this module.
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Parse /etc/hosts file.
CLI Example:
.. code-block:: bash
salt '*' dnsutil.parse_hosts
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Append a single line to the /etc/hosts file.
CLI Example:
.. code-block:: bash
salt '*' dnsutil.hosts_append /etc/hosts 127.0.0.1 ad1.yuk.co,ad2.yuk.co
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Remove a host from the /etc/hosts file. If doing so will leave a line
containing only an IP address, then the line will be deleted. This function
will leave comments and blank lines intact.
CLI Examples:
.. code-block:: bash
salt '*' dnsutil.hosts_remove /etc/hosts ad1.yuk.co
salt '*' dnsutil.hosts_remove /etc/hosts ad2.yuk.co,ad1.yuk.co
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Parses a zone file. Can be passed raw zone data on the API level.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.parse_zone /var/lib/named/example.com.zone
u rNu Error: Zone data was not foundu singleu ;i u $i u u (u )u multiu {0}u ORIGINu @u SOAu INu NETWORKi u SOURCEi u .u CONTACTi u SERIALi u REFRESHi u RETRYi u EXPIREi u MINTTLu NSu {0}.{1}i u MXu priorityu hostu Au AAAAu TARGETu TTL( u Au AAAA( R R R R R
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Converts a time value to seconds.
As per RFC1035 (page 45), max time is 1 week, so anything longer (or
unreadable) will be set to one week (604800 seconds).
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The dig-specific functions have been moved into their own module, but
because they are also DNS utilities, a compatibility layer exists. This
function helps add that layer.
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Check that string ip_addr is a valid IP
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.check_ip 127.0.0.1
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Return the A record(s) for ``host``.
Always returns a list.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.A www.google.com
u dig.Ai i u Unable to resolve {0}u< This function requires dig, which is not currently availableN( R? R@ R> t sockett getaddrinfot AF_INETt SOCK_RAWt gaierrorR ( R$ t
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Return the AAAA record(s) for ``host``.
Always returns a list.
.. versionadded:: 2014.7.5
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.AAAA www.google.com
u dig.AAAAi i u Unable to resolve {0}u< This function requires dig, which is not currently availableN( R? R@ R> RB RC t AF_INET6RE RF R ( R$ RG RH RI ( ( s8 /usr/lib/python2.7/site-packages/salt/modules/dnsutil.pyt AAAA s <c C@ s! t � r t d | | | � Sd S( u�
Return a list of IPs of the nameservers for ``domain``
If 'resolve' is False, don't resolve names.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.NS google.com
u dig.NSu< This function requires dig, which is not currently available( R? R@ ( t domaint resolveRG ( ( s8 /usr/lib/python2.7/site-packages/salt/modules/dnsutil.pyt NS- s
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Return the allowed IPv4 ranges in the SPF record for ``domain``.
If record is ``SPF`` and the SPF record is empty, the TXT record will be
searched automatically. If you know the domain uses TXT and not SPF,
specifying that will save a lookup.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.SPF google.com
u dig.SPFu< This function requires dig, which is not currently available( R? R@ ( RM t recordRG ( ( s8 /usr/lib/python2.7/site-packages/salt/modules/dnsutil.pyt SPF@ s c C@ s! t � r t d | | | � Sd S( u
Return a list of lists for the MX of ``domain``.
If the 'resolve' argument is True, resolve IPs for the servers.
It's limited to one IP, because although in practice it's very rarely a
round robin, it is an acceptable configuration and pulling just one IP lets
the data be similar to the non-resolved version. If you think an MX has
multiple IPs, don't use the resolver here, resolve them in a separate step.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.MX google.com
u dig.MXu< This function requires dig, which is not currently available( R? R@ ( RM RN RG ( ( s8 /usr/lib/python2.7/site-packages/salt/modules/dnsutil.pyt MXT s u c C@ s� i } d } | r( | d j | � 7} n t d d | � } t j d � } | sZ | pY | S| r� | | k r� t j t | � d � } n | } t d d | d | � | S( u#
Return, store and update a dns serial for your zone files.
zone: a keyword for a specific zone
update: store an updated version of the serial in a grain
If ``update`` is False, the function will retrieve an existing serial or
return the current date if no serial is stored. Nothing will be stored
If ``update`` is True, the function will set the serial to the current date
if none exist or if the existing serial is for a previous date. If a serial
for greater than the current date is already stored, the function will
increment it.
This module stores the serial in a grain, you can explicitly set the
stored value as a grain named ``dnsserial_<zone_name>``.
CLI Example:
.. code-block:: bash
salt ns1 dnsutil.serial example.com
u dnsserialu _{0}u
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