Add support for deploying on existing cluster

Signed-off-by: adrianc <adrianc@nvidia.com>

README.md

@@ -23,6 +23,7 @@
       - [Install Prerequisites](#install-prerequisites)
       - [Create local k8s development environment](#create-local-k8s-development-environment)
       - [Cleanup local k8s development environment](#cleanup-local-k8s-development-environment)
+    - [Deploy onto an existing k8s cluster](#deploy-onto-an-existing-k8s-cluster)
 
 ## Overview
 
@@ -206,8 +207,9 @@ local changes onto a local k8s cluster.
 #### Install Prerequisites
 
 1. [install Docker](https://docs.docker.com/engine/install/)
-2. [install minikube](https://minikube.sigs.k8s.io/docs/start/)
-3. [install skaffold](https://skaffold.dev/docs/install/#standalone-binary)
+2. [install kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/)
+3. [install minikube](https://minikube.sigs.k8s.io/docs/start/)
+4. [install skaffold](https://skaffold.dev/docs/install/#standalone-binary)
 
 #### Create local k8s development environment
 
@@ -222,3 +224,20 @@ To trigger a rebuild, press any key in the current shell.
 ```shell
 task -o interleaved localdev:clean
 ```
+
+### Deploy onto an existing k8s cluster
+
+For this deployment option you should provide the following environment variables
+
+`LOCALDEV_IMAGE_REPO`: image repository which skaffold will use.
+`LOCALDEV_KUBECONFIG`: optional, path to kubeconfig file which will be used by skaffold to access k8s cluster.
+`LOCALDEV_KUBE_CONTEXT`: optional. name of kube context which will be used by skaffold to access k8s cluster.
+
+```shell
+LOCALDEV_IMAGE_REPO=quay.io/myuser task -o interleaved localdev:deploy
+```
+
+To trigger a rebuild, press any key in the current shell.
+
+>__NOTE__: if `LOCALDEV_KUBECONFIG` and `LOCALDEV_KUBE_CONTEXT` are not provided, the current context pointed by
+> kubectl will be used.

taskfiles/LocalDev.yaml

@@ -16,3 +16,13 @@
     clean:
       desc: clean local k8s dev cluster
       cmd: minikube --profile nfd-dev delete
+
+    deploy:
+      desc: deploy on pre-created cluster
+      vars:
+        LOCALDEV_IMAGE_REPO: '{{.LOCALDEV_IMAGE_REPO | default "harbor.mellanox.com/cloud-orchestration-dev"}}'
+        #LOCALDEV_KUBECONFIG: "/path/to/kubeconfig" <- optional, pass in via env var
+        #LOCALDEV_KUBECONTEXT: "kube-context-name" <- optional, pass in via env var
+      cmd: |
+        export SK_FLAGS="{{if .LOCALDEV_KUBECONFIG}}--kubeconfig={{.LOCALDEV_KUBECONFIG}}{{else}}{{if .LOCALDEV_KUBECONTEXT}}--kube-context={{.LOCALDEV_KUBECONTEXT}}{{end}}{{end}}"
+        skaffold dev --trigger=manual --default-repo={{.LOCALDEV_IMAGE_REPO}} $SK_FLAGS