What is Argo?¶
Argo helps make Kubernetes more accessible to everyone. It provides services for creating workflows and jobs that build on Kubernetes. Argo is composed of the following services:
- Argo Workflows - orchestrate parallel jobs on K8. Represent workflows as DAGs and easily run compute intensive jobs.
Argo CD - uses git repo as the source of truth and builds the deployment env to conform to the repo. Config is via a
- Argo Events - dependency manager that is events based. It can hook up and listen to sources like AWS SNS, SQS, GCP PubSub and execute workflows.
Argo is a compelling solution for those that already build on K8. Argo does not reinvent K8 features, instead builds on them. It enables implementing each step in the workflow as a container. It provides artifact management that allows to specify the output from any step as input to another. Since everything is as containers, the entire workflow, including each step and their interactions can be managed as source code (in YAML). This is called container native workflow management. Thus a workflow that runs on one Argo env will run exactly the same on another, allowing for better portability.
Argo CLI commands¶
$ argo list -n <namespace> <flags> $ argo list -n flood --running # will list all running workflows in the flood namespace $ argo list -n flood --completed # for completed wf
NAME STATUS AGE DURATION PRIORITY ingest-weather-data-compass-lisflood-japan-xb7pm Running 4m 4m 0 flood-pipeline-ps8rf Running 42m 41m 0 jp-3hr-live-cgtrb Running 44m 44m 0 jp-3hr-hist-lc89r Running 2d 2d 0