GitOps Operator Must-Gather

GitOps must-gather is a tool to gather information about the gitop-operator. It is built on top of OpenShift must-gather.

Usage

oc adm must-gather --image=quay.io/redhat-developer/gitops-must-gather:latest

The command above will create a local directory with a dump of the OpenShift GitOps state. Note that this command will only get data related to the GitOps Operator in your OpenShift cluster.

You will get a dump of:

Information for the subscription of the gitops-operator
The GitOps Operator namespace (and its children objects)
All namespaces where ArgoCD objects exist in, plus all objects in those namespaces, such as ArgoCD, Applications, ApplicationSets, and AppProjects, and configmaps
- No secrets will be collected
A list of the namespaces that are managed by gitops-operator identified namespaces and resources from those namespaces.
All GitOps CRD's objects and definitions
Operator logs
Logs of Argo CD
Warning and error-level Events

In addition to that, we will get a summary of:

All executed commands: must-gather-script-commands.txt
Errors: must-gather-script-errors.txt
Commands that produced no output: must-gather-script-no-output.txt

All the output of the commands is stored into 3 different formats:

*.txt that represents the normal view without any structure.
*.yaml that is the YAML output of the command.
*.json that is the JSON output of the command.

In order to get data about other parts of the cluster (not specific to gitops-operator) you should run just oc adm must-gather (without passing a custom image). Run oc adm must-gather -h to see more options.

An example of the GitOps must-gather output would be something like the following, where there are two argocd instances in namespaces openshift-gitops and foo and an additional namespace called foo-managed which is managed by namespace foo:

cluster-gitops
    └── gitops
        ├── clusterversion.txt
        ├── crds
        │  ├── crds.json/.txt./.yaml
        ├── managedNamespace_foo-managed
        │  └── resources
        │      ├── deployments
        │      ├── pods
        │      ├── replicasets
        │      ├── routes
        │      ├── services
        │      └── statefulsets
        ├── namespace_foo_resources
        │  ├── argocd
        │  │  ├── applications
        │  │  │  ├── applications.json/.txt./.yaml
        │  │  │  └── guestbook.yaml
        │  │  ├── applicationsets
        │  │  │  ├── applicationsets.txt
        │  │  │  ├── guestbook.json
        │  │  │  ├── guestbook.txt
        │  │  │  └── guestbook.yaml
        │  │  ├── argocd.json
        │  │  ├── argocd.txt
        │  │  ├── argocd.yaml
        │  │  ├── logs
        │  │  │  └── server-logs.txt
        │  │  ├── managed-namespaces.txt
        │  │  └── sourceNamespaces.txt
        │  ├── deployments
        │  │  ├── argocd-dex-server.json/.txt./.yaml
        │  │  ├── argocd-redis.json/.txt./.yaml
        │  │  ├── argocd-repo-server.json/.txt./.yaml
        │  │  ├── argocd-server.json/.txt./.yaml
        │  │  └── deployments.txt
        │  ├── events
        │  │  ├── all-events.txt
        │  │  └── warning-events.txt
        │  ├── pods
        │  │  ├── argocd-application-controller-0.json/.txt./.yaml
        │  │  ├── argocd-dex-server-69f99bdd45-g84b9.json/.txt./.yaml
        │  │  ├── argocd-dex-server-6d4f7d9d48-rkk9d.json/.txt./.yaml
        │  │  ├── argocd-redis-78d4849f68-pxxbp.json/.txt./.yaml
        │  │  ├── argocd-repo-server-6cfc8bbd5f-w4bsg.json/.txt./.yaml
        │  │  ├── argocd-server-5dc69475bf-98m6s.json/.txt./.yaml
        │  │  └── pods.txt
        │  ├── replicaSets
        │  │  ├── argocd-dex-server-69f99bdd45.json/.txt./.yaml
        │  │  ├── argocd-dex-server-6d4f7d9d48.json/.txt./.yaml
        │  │  ├── argocd-redis-78d4849f68.json/.txt./.yaml
        │  │  ├── argocd-repo-server-6cfc8bbd5f.json/.txt./.yaml
        │  │  ├── argocd-server-5dc69475bf.json/.txt./.yaml
        │  │  └── replicaSets.txt
        │  ├── routes
        │  │  ├── argocd-server.json/.txt./.yaml
        │  │  └── routes.txt
        │  ├── services
        │  │  ├── argocd-dex-server.json/.txt./.yaml
        │  │  ├── argocd-metrics.json/.txt./.yaml
        │  │  ├── argocd-redis.json/.txt./.yaml
        │  │  ├── argocd-repo-server.json/.txt./.yaml
        │  │  ├── argocd-server.json/.txt./.yaml
        │  │  ├── argocd-server-metrics.json/.txt./.yaml
        │  │  └── services.txt
        │  └── statefulsets
        │      ├── argocd-application-controller.json/.txt./.yaml
        │      └── statefulsets.txt
        ├── namespace_openshift-gitops_resources
        │  ├── argocd
        │  │  ├── applications
        │  │  ├── applicationsets
        │  │  ├── appprojects
        │  │  ├── appprojects.json/.txt./.yaml
        │  │  ├── argocd.txt
        │  │  ├── logs
        │  │  │  ├── application-controller-logs.txt
        │  │  │  ├── dex-server-logs.txt
        │  │  │  ├── redis-logs.txt
        │  │  │  ├── repo-server-logs.txt
        │  │  │  └── server-logs.txt
        │  │  ├── openshift-gitops.json
        │  │  ├── openshift-gitops.txt
        │  │  ├── openshift-gitops.yaml
        │  │  └── sourceNamespaces.txt
        │  ├── deployments
        │  │  ├── cluster.json/.txt./.yaml
        │  │  ├── deployments.txt
        │  │  ├── kam.json
        │  │  ├── kam.txt
        │  │  ├── kam.yaml
        │  │  ├── openshift-gitops-applicationset-controller.json/.txt./.yaml
        │  │  ├── openshift-gitops-dex-server.json/.txt./.yaml
        │  │  ├── openshift-gitops-redis.json/.txt./.yaml
        │  │  ├── openshift-gitops-repo-server.json/.txt./.yaml
        │  │  ├── openshift-gitops-server.json/.txt./.yaml
        │  ├── events
        │  ├── pods
        │  │  ├── cluster-5db4b95547-mks98.json/.txt./.yaml
        │  │  ├── kam-fff7f474f-t875v.json/.txt./.yaml
        │  │  ├── openshift-gitops-application-controller-0.json/.txt./.yaml
        │  │  ├── openshift-gitops-applicationset-controller-5dbdfcc689-6x4vf.json/.txt./.yaml
        │  │  ├── openshift-gitops-dex-server-5bf6f4f684-ghtqf.json/.txt./.yaml
        │  │  ├── openshift-gitops-redis-664cdd4757-f9jcc.json/.txt./.yaml
        │  │  ├── openshift-gitops-repo-server-6795d6d8cd-x7hzc.json/.txt./.yaml
        │  │  ├── openshift-gitops-server-6cc58f9cc8-fx8g7.json/.txt./.yaml
        │  │  └── pods.txt
        │  ├── replicaSets
        │  │  ├── cluster-5db4b95547.json/.txt./.yaml
        │  │  ├── kam-fff7f474f.json/.txt./.yaml
        │  │  ├── openshift-gitops-applicationset-controller-5dbdfcc689.json/.txt./.yaml
        │  │  ├── openshift-gitops-dex-server-5bf6f4f684.json/.txt./.yaml
        │  │  ├── openshift-gitops-dex-server-684c85d5d7.json/.txt./.yaml
        │  │  ├── openshift-gitops-redis-664cdd4757.json/.txt./.yaml
        │  │  ├── openshift-gitops-repo-server-6795d6d8cd.json/.txt./.yaml
        │  │  ├── openshift-gitops-server-6cc58f9cc8.json/.txt./.yaml
        │  │  └── replicaSets.txt
        │  ├── routes
        │  │  ├── kam.json/.txt./.yaml
        │  │  ├── openshift-gitops-server.json/.txt./.yaml
        │  │  └── routes.txt
        │  ├── services
        │  │  ├── cluster.json/.txt./.yaml
        │  │  ├── kam.json/.txt./.yaml
        │  │  ├── openshift-gitops-applicationset-controller.json/.txt./.yaml
        │  │  ├── openshift-gitops-dex-server.json/.txt./.yaml
        │  │  ├── openshift-gitops-metrics.json/.txt./.yaml
        │  │  ├── openshift-gitops-redis.json/.txt./.yaml
        │  │  ├── openshift-gitops-repo-server.json/.txt./.yaml
        │  │  ├── openshift-gitops-server.json/.txt./.yaml
        │  │  ├── openshift-gitops-server-metrics.json/.txt./.yaml
        │  │  └── services.txt
        │  └── statefulsets
        │      ├── openshift-gitops-application-controller.json/.txt./.yaml
        │      └── statefulsets.txt
        ├── oc-version.txt
        ├── subscription.json/.txt./.yaml
        ├── must-gather-script-commands.txt
        ├── must-gather-script-no-output.txt
        └── must-gather-script-errors.txt

Note: most of the resource outputs are given in 3 file types: .json, .yaml, and .txt, however those files are combined in this tree for clarity and conciseness.

Testing

You can run the script locally from your workstation. To do that you need an OpenShift cluster and you will have to install the Red Hat GitOps Operator. Then you can run the script like this:

chmod +x ./gather_gitops.sh
./gather_gitops.sh --base-collection-path .

Last but not least, please make sure you run make lint before pushing new changes. This requires shellcheck to be installed in your machine.

For more information about building and pushing the image, see make help.