Forum Discussion

Mar 13, 2015

data-group format for irule match against simple list

F5 BIG-IP Virtual Edition v11.4.1 (Build 635.0) LTM on ESXi My iRule needs to match a variable against a simple list of values : set found_match [class match $lookup_key eq data_group_simple_l...

Employee

Mar 14, 2015

this is mine.

iRules Data Group Formatting Rules by Jason Rahm

https://devcentral.f5.com/articles/irules-data-group-formatting-rules

 create

[root@ve11c:Active:In Sync] config  cat /var/tmp/data.txt
"key_1" := "",
"key_2" := "",
"key_3 ":= "",

root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) create sys file data-group test source-path file:///var/tmp/data.txt type string
Copying file "file:///var/tmp/data.txt" ...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0    45    0    45    0     0  75125      0 --:--:-- --:--:-- --:--:--     0

root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) create ltm data-group external test_datagroup external-file-name test
root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos)

 verify

root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm data-group external test_datagroup
ltm data-group external test_datagroup {
    external-file-name test
    type string
}
root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) list sys file data-group test
sys file data-group test {
    checksum SHA1:45:7b38f5bbc6a368168b987cca5568216b5308e94a
    create-time 2015-03-14:08:57:26
    created-by root
    last-update-time 2015-03-14:08:57:26
    mode 33152
    revision 1
    size 45
    source-path file:///var/tmp/data.txt
    type string
    updated-by root
}

Simon_Conway-Sm
Nimbostratus
May 24, 2017
Can this data file format be used to create a list of target hostnames for looking up HTTP::host, i.e. where each hostname entry is a set of dotted names, e.g. "myfunc.mydomain.com"?