Oops. That second "children:" under "kafka:" shouldn't be there. Otherwise,
it's pretty close.
On Friday, April 19, 2024 at 10:58:32 AM UTC-4 Todd Lewis wrote:
> It appears you are trying to define two different "*broker*" groups: one
> as a child of the "*dev_kafka_cluster*" and another as a child of "
> *qa_kafka_cluster*".
>
> That isn't how groups work. There is only one "*broker*" group. You have
> added hosts to the "*broker*" group in two places.
>
> (Also, "*App*" as a group name should be lower-case letters.)
>
> Let me suggest an alternative inventory/group arrangement that implements
> this naming scheme:
>
> *kafka[_{$env}[_{app,web,db}[_{zoo,broker,schema}]]] *In this scheme,
> there isn't a "*broker*" group. Instead there are groups named "
> *kafka_dev_app_broker*" and "*kafka_qa_app_broker*" (and eventually a "
> *kafka_prd**" set I imagine).
>
> I call this type of group naming scheme "fully articulated" — any group
> you care to specify is completely unambiguous. It's a set of strict
> hierarchies (in this case there's only one hierarchy: "*kafka*"), and
> hosts appear in a particular hierarchy exactly once. (If you find yourself
> trying to inject a host in two different places, you either need to rethink
> your hierarchy's structure, or maybe you need two hierarchies.)
>
> We have on occasion included an "*all*" environment (like "*dev*" and "
> *qa*"). If you did that, there would be a corresponding "*kafka_all**"
> group for any "*kafka_dev**" or "*kafka_qa**" groups. Then you could
> target all the brokers with "*kafka_all_app_broker*" instead of "
> *kafka_dev_app_broker**,**kafka_qa_app_broker*". You would have to decide
> if the benefit is worth the extra text you have to maintain in your
> inventory.
>
> Your inventory would look like this:
>
> kafka:
> children:
> kafka_dev:
> children:
> kafka_dev_app:
> children:
> kafka_dev_app_zoo:
> hosts:
> dev1-main-zookpr[01:05].dev
> kafka_dev_app_broker:
> hosts:
> dev1-main-kafka[01:06].dev
> kafka_dev_app_schema:
> hosts:
> dev1-main-kafka[01:06].dev
> kafka_dev_web: […] # omitted for brevity,
> kafka_dev_db: […] # but you get the idea.
> children:
> kafka_qa:
> children:
> kafka_qa_app:
> children:
> kafka_qa_app_zoo:
> hosts:
> qa1-main-zookpr[01:03].qa
> kafka_qa_app_broker:
> hosts:
> qa1-main-kafka[01:06].qa
> kafka_qa_app_schema:
> hosts:
> qa1-main-kafka[04:06].qa
> kafka_qa_web: […] # omitted for brevity,
> kafka_qa_db: […] # but you get the idea.
>
>
> On 4/19/24 8:40 AM, Sameer Modak wrote:
>
> I have an inventory something like this , each main cluster has children
> like broker.
> Now how do i run any tasks against perticular group.broker. When we pass
> the group with --limit it does not work it runs on all broker. Also main
> playbook has hosts:all in it
>
> annsible/grafana-agent-play.yaml -i kafka_inventory.yaml --limit
> qa_kafka_cluster -u sam -k -b
>
> dev_kafka:
>
> children:
>
> App:
>
> children:
>
> dev_kafka_cluster:
>
> children:
>
> zookeeper:
>
> hosts:
>
> dev1-main-zookpr[01:05].dev
>
> broker:
>
> hosts:
>
> dev1-main-kafka[01:06].dev
>
> schema_registry:
>
> hosts:
>
> dev1-main-kafka[01:06].dev
>
> uc:
>
> children:
>
>
> qa_kafka:
>
> children:
>
> App:
>
> children:
>
> qa_kafka_cluster:
>
> children:
>
> zookeeper:
>
> hosts:
>
> qa1-main-zookpr[01:03].qa
>
> broker:
>
> hosts:
>
> qa1-main-kafka[01:06].qa
>
> schema_registry:
>
> hosts:
>
> qa1-main-kafka[04:06].qa
>
>
>
> ========
>
>
>
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>
>
> --
> Todd
>
>
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