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2.4 KiB
Markdown
56 lines
No EOL
2.4 KiB
Markdown
# Debugging a Remote ArgoCD Environment
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In this guide, we will describe how to debug a remote ArgoCD environment with [Telepresence](https://telepresence.io/).
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Telepresence allows you to connect & debug a service deployed in a remote environment and to "cherry-pick" one service to run locally, staying connected to the remote cluster. This will:
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* Reduce resource footprint on the local machine
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* Decrease the feedback loop time
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* Result in more confidence about the delivered code.
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To read more about it, refer to the official documentation at [telepresence.io](https://telepresence.io/) or [Medium](https://medium.com/containers-101/development-environment-using-telepresence-634bd7210c26).
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## Install ArgoCD
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First of all, install ArgoCD on your cluster
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```shell
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kubectl create ns argocd
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curl -sSfL https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml | kubectl apply -n argocd -f -
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```
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## Connect
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Connect to one of the services, for example, to debug the main ArgoCD server run:
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```shell
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telepresence --swap-deployment argocd-server --namespace argocd --env-file .envrc.remote --expose 8080:8080 --expose 8083:8083 --run bash
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```
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* `--swap-deployment` changes the argocd-server deployment
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* `--expose` forwards traffic of remote ports 8080 and 8083 to the same ports locally
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* `--env-file` writes all the environment variables of the remote pod into a local file, the variables are also set on the subprocess of the `--run` command
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* `--run` defines which command to run once a connection is established, use `bash`, `zsh` or others
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## Debug
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Once a connection is established, use your favorite tools to start the server locally.
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### Terminal
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* Compile `make server`
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* Run `./dist/argocd-server`
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### VSCode
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In VSCode use the integrated terminal to run the Telepresence command to connect. Then, to run argocd-server service use the following configuration.
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Update the configuration file to point to kubeconfig file: `KUBECONFIG=` (required)
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```json
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{
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"name": "Launch",
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"type": "go",
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"request": "launch",
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"mode": "auto",
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"program": "${workspaceFolder}/cmd/argocd-server",
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"envFile": [
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"${workspaceFolder}/.envrc.remote",
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],
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"env": {
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"CGO_ENABLED": "0",
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"KUBECONFIG": "/path/to/kube/config"
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}
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}
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``` |