feat: add CI test for k8s core deployment (vllm-project#317)

* add k8s integration github action test

Signed-off-by: JaredforReal <[email protected]>

* add syntax validation for observability and ai-gateway

Signed-off-by: JaredforReal <[email protected]>

* fix image conflict & kustomize path error

Signed-off-by: JaredforReal <[email protected]>

* fix network error in kind

Signed-off-by: JaredforReal <[email protected]>

* fix https response to http error

Signed-off-by: JaredforReal <[email protected]>

* fix model init error

Signed-off-by: JaredforReal <[email protected]>

* change hf-cli to hf download for models

Signed-off-by: JaredforReal <[email protected]>

* change image loading strategy & models init

Signed-off-by: JaredforReal <[email protected]>

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Signed-off-by: JaredforReal <[email protected]>
Signed-off-by: liuhy <[email protected]>

Author: JaredforReal