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Access Token

Overview

If you want to automate tasks with the Argo Server API or CLI, you will need an access token.

Prerequisites

Firstly, create a role with minimal permissions. This example role for jenkins only permission to update and list workflows:

kubectl create role jenkins --verb=list,update --resource=workflows.argoproj.io

Create a service account for your service:

kubectl create sa jenkins

Tip for Tokens Creation

Create a unique service account for each client:

  • (a) you'll be able to correctly secure your workflows
  • (b) revoke the token without impacting other clients.

Bind the service account to the role (in this case in the argo namespace):

kubectl create rolebinding jenkins --role=jenkins --serviceaccount=argo:jenkins

Token Creation

You now need to get a token:

SECRET=$(kubectl get sa jenkins -o=jsonpath='{.secrets[0].name}')
ARGO_TOKEN="Bearer $(kubectl get secret $SECRET -o=jsonpath='{.data.token}' | base64 --decode)"
echo $ARGO_TOKEN
Bearer ZXlKaGJHY2lPaUpTVXpJMU5pSXNJbXRwWkNJNkltS...

Token Usage & Test

To use that token with the CLI you need to set ARGO_SERVER (see argo --help).

Use that token in your API requests, e.g. to list workflows:

curl https://localhost:2746/api/v1/workflows/argo -H "Authorization: $ARGO_TOKEN"
# 200 OK

You should check you cannot do things you're not allowed!

curl https://localhost:2746/api/v1/workflow-templates/argo -H "Authorization: $ARGO_TOKEN"
# 403 error

Token Usage - Docker

Set additional params to initialize Argo settings

ARGO_SERVER="${{HOST}}:443"
KUBECONFIG=/dev/null
ARGO_NAMESPACE=sandbox

Start container with settings above

Note: Example for getting list of templates from an existing namespace

docker run --rm -it \
  -e ARGO_SERVER=$ARGO_SERVER \
  -e ARGO_TOKEN=$ARGO_TOKEN \
  -e ARGO_HTTP=false \
  -e ARGO_HTTP1=true \
  -e KUBECONFIG=/dev/null \
  -e ARGO_NAMESPACE=$ARGO_NAMESPACE  \
  argoproj/argocli:latest template list -v -e -k

Token Revocation

Token compromised?

kubectl delete secret $SECRET

A new one will be created.