Setting custom labels on created resources from command argument or env var about kubedock HOT 7 CLOSED

@joyrex2001 Hi.
As I understand, to pass label, for example com.joyrex2001.kubedock.request-memory to kafka container we should do it through the code using withLabel method in testcontainers.
So, we need to update all our services which takes a lot of time.

If I'm correct above, then +1 for this topic, it would be great to be able to pass labels through env vars.

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@andreezy777 if you want to set kubedock specific controls, like com.joyrex2001.kubedock.request-memory, these usually already have an environment variable alternative available. Unfortunately not (that well) documented. In you example it would be K8S_REQUEST_MEMORY (see here).

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@andreezy777 if you want to set kubedock specific controls, like com.joyrex2001.kubedock.request-memory, these usually already have an environment variable alternative available. Unfortunately not (that well) documented. In you example it would be K8S_REQUEST_MEMORY (see here).

As I read in readme there are some differences between env kubedock.request-memory and label com.joyrex2001.kubedock.request-memory. Because first one - it’s about global limits and second one about limits specially for needed container.

Pls, confirm that “global” means that every container that will started by kubedock will have limits that was set up by env var , but if I need, for example apply limits X for postgres container and limits Y for Kafka container, then I need to use label through code, right?

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@andreezy777 correct, the one you would set when starting kubedock (via env, or cli argument) will be applied to all created containers. If a container adds a label itself, that will take precedence over this default.

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In 7d823ee I added support for adding labels and annotations that need to be propagated to the kubernetes pods. This can be done via cli --label and --annotation as well via adding environment variables that start with K8S_LABEL_ and K8S_ANNOTATION_.

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Awesome 🤩

When do you plan a new release?

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Just released https://github.com/joyrex2001/kubedock/releases/tag/0.14.0 with this feature.

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