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Lookups: use Ansible's config manager whenever possible (#5440)
* Start using Ansible's config manager to handle options. * Docs improvements. * Fix documentation, make options actual lookup options. * The cyberarkpassword lookup does too strange things. * The onepassword lookups are converted in #4728, let's not interfere. * Improve docs. * Skip shelvefile as well. * Convert lmdb_kv. * Convert and fix credstash. * Convert manifold. * Drop chef_databag. * Convert dig. * Update examples. * Forgot the most important part. * Fix lmdb_kv docs. * Python 2.6 compatibility. * Convert AnsibleUnicode to str. * Load lookup with lookup loader. * Fix environment handling and error message checking. * Improve docs formatting.
This commit is contained in:
Felix Fontein
GitHub
parent
dc66aefa40
commit
e718bd8445
17 changed files with 161 additions and 91 deletions
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@ -21,22 +21,26 @@ DOCUMENTATION = '''
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- In addition to (default) A record, it is also possible to specify a different record type that should be queried.
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This can be done by either passing-in additional parameter of format qtype=TYPE to the dig lookup, or by appending /TYPE to the FQDN being queried.
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- If multiple values are associated with the requested record, the results will be returned as a comma-separated list.
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In such cases you may want to pass option wantlist=True to the plugin, which will result in the record values being returned as a list
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over which you can iterate later on.
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In such cases you may want to pass option I(wantlist=true) to the lookup call, or alternatively use C(query) instead of C(lookup),
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which will result in the record values being returned as a list over which you can iterate later on.
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- By default, the lookup will rely on system-wide configured DNS servers for performing the query.
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It is also possible to explicitly specify DNS servers to query using the @DNS_SERVER_1,DNS_SERVER_2,...,DNS_SERVER_N notation.
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This needs to be passed-in as an additional parameter to the lookup
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options:
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_terms:
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description: Domain(s) to query.
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type: list
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elements: str
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qtype:
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description:
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- Record type to query.
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- C(DLV) has been removed in community.general 6.0.0.
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type: str
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default: 'A'
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choices: [A, ALL, AAAA, CNAME, DNAME, DNSKEY, DS, HINFO, LOC, MX, NAPTR, NS, NSEC3PARAM, PTR, RP, RRSIG, SOA, SPF, SRV, SSHFP, TLSA, TXT]
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flat:
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description: If 0 each record is returned as a dictionary, otherwise a string.
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type: int
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default: 1
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retry_servfail:
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description: Retry a nameserver if it returns SERVFAIL.
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@ -59,6 +63,11 @@ DOCUMENTATION = '''
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default: false
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type: bool
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version_added: 6.0.0
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class:
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description:
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- "Class."
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type: str
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default: 'IN'
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notes:
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- ALL is not a record per-se, merely the listed fields are available for any record results you retrieve in the form of a dictionary.
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- While the 'dig' lookup plugin supports anything which dnspython supports out of the box, only a subset can be converted into a dictionary.
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@ -74,7 +83,7 @@ EXAMPLES = """
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- name: "The TXT record for example.org."
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ansible.builtin.debug:
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msg: "{{ lookup('community.general.dig', 'example.org.', 'qtype=TXT') }}"
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msg: "{{ lookup('community.general.dig', 'example.org.', qtype='TXT') }}"
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- name: "The TXT record for example.org, alternative syntax."
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ansible.builtin.debug:
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@ -83,24 +92,24 @@ EXAMPLES = """
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- name: use in a loop
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ansible.builtin.debug:
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msg: "MX record for gmail.com {{ item }}"
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with_items: "{{ lookup('community.general.dig', 'gmail.com./MX', wantlist=True) }}"
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with_items: "{{ lookup('community.general.dig', 'gmail.com./MX', wantlist=true) }}"
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- ansible.builtin.debug:
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msg: "Reverse DNS for 192.0.2.5 is {{ lookup('community.general.dig', '192.0.2.5/PTR') }}"
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- ansible.builtin.debug:
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msg: "Reverse DNS for 192.0.2.5 is {{ lookup('community.general.dig', '5.2.0.192.in-addr.arpa./PTR') }}"
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- ansible.builtin.debug:
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msg: "Reverse DNS for 192.0.2.5 is {{ lookup('community.general.dig', '5.2.0.192.in-addr.arpa.', 'qtype=PTR') }}"
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msg: "Reverse DNS for 192.0.2.5 is {{ lookup('community.general.dig', '5.2.0.192.in-addr.arpa.', qtype='PTR') }}"
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- ansible.builtin.debug:
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msg: "Querying 198.51.100.23 for IPv4 address for example.com. produces {{ lookup('dig', 'example.com', '@198.51.100.23') }}"
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- ansible.builtin.debug:
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msg: "XMPP service for gmail.com. is available at {{ item.target }} on port {{ item.port }}"
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with_items: "{{ lookup('community.general.dig', '_xmpp-server._tcp.gmail.com./SRV', 'flat=0', wantlist=True) }}"
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with_items: "{{ lookup('community.general.dig', '_xmpp-server._tcp.gmail.com./SRV', flat=0, wantlist=true) }}"
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- name: Retry nameservers that return SERVFAIL
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ansible.builtin.debug:
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msg: "{{ lookup('community.general.dig', 'example.org./A', 'retry_servfail=True') }}"
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msg: "{{ lookup('community.general.dig', 'example.org./A', retry_servfail=true) }}"
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"""
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RETURN = """
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@ -279,21 +288,26 @@ class LookupModule(LookupBase):
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... flat=0 # returns a dict; default is 1 == string
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'''
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if HAVE_DNS is False:
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raise AnsibleError("The dig lookup requires the python 'dnspython' library and it is not installed")
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self.set_options(var_options=variables, direct=kwargs)
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# Create Resolver object so that we can set NS if necessary
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myres = dns.resolver.Resolver(configure=True)
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edns_size = 4096
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myres.use_edns(0, ednsflags=dns.flags.DO, payload=edns_size)
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domain = None
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qtype = 'A'
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flat = True
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fail_on_error = False
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real_empty = False
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rdclass = dns.rdataclass.from_text('IN')
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qtype = self.get_option('qtype')
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flat = self.get_option('flat')
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fail_on_error = self.get_option('fail_on_error')
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real_empty = self.get_option('real_empty')
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try:
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rdclass = dns.rdataclass.from_text(self.get_option('class'))
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except Exception as e:
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raise AnsibleError("dns lookup illegal CLASS: %s" % to_native(e))
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myres.retry_servfail = self.get_option('retry_servfail')
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for t in terms:
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if t.startswith('@'): # e.g. "@10.0.1.2,192.0.2.1" is ok.
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@ -316,7 +330,7 @@ class LookupModule(LookupBase):
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continue
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if '=' in t:
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try:
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opt, arg = t.split('=')
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opt, arg = t.split('=', 1)
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except Exception:
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pass
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