Here's what I suggest for your case:
- name: hostname lookup
debug:
msg: "hostname is {{ item }}"
with_lines: "awk '$1==\"{{ansible_default_ipv4['address']}}\"{print
$2;exit}' hostnames.hdp1"
changed_when: false
On Friday, 18 March 2016 20:00:14 UTC, Uditha Desilva wrote:
>
> Check that your file is sorted, and doesn't have any blank lines. Similar
> issues led me to abandon that and use an awk invocation via "with_lines:"
> to pull the data out that I needed.
>
> On Thursday, 17 March 2016 01:29:40 UTC, Anand Buddhdev wrote:
>>
>> Hello Ansible folk,
>>
>> I have a text file of the form:
>>
>> 10.60.43.23 worker22.domain
>>
>> I was to use the "csvfile" lookup plugin to look up name host name, given
>> an IP address. So I'm trying this:
>>
>> - name: hostname lookup
>> debug:
>> msg: hostname is {{
>> lookup("csvfile",ansible_default_ipv4["address"]+" file=hostnames.hdp1
>> delimiter=' '") }}
>>
>> However, running this snippet gives me the error:
>>
>> TASK [hostname lookup]
>> *********************************************************
>>
>> fatal: [worker22.domain]: FAILED! => {"failed": true, "msg": "need more
>> than 1 value to unpack"}
>>
>>
>> I can't understand what Ansible is actually failing on. I've tried to run
>> with -vvvv, but it seems this error occurs before the debug module is even
>> transferred to the remote host for execution. If anyone knows what this
>> error means, and how I can avoid it, I would greatly appreciate the help.
>>
>>
>> Regards,
>>
>> Anand
>>
>
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