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Chapter 7. Known issues

  • SKUPPER-2476 - Known issue with service type gateways on IBM Z

    The service type gateway feature as described in Exposing services on the service network from a local machine is not available on the IBM Z platform for Red Hat Service Interconnect version 1.x.

    Workaround

    To workaround this issue, create Podman or Docker type gateways.

  • SKUPPER-2077 - Skupper Console Prometheus scrape configuration broken for openshift auth

    If you configure a site to use OpenShift authenication for console access, metrics are not displayed in the console.

    Workaround

    If you require console metrics, use internal authenication for the site where the console is enablePd. Another option is unsecured, however if you use that option, the console is available to unauthenticated users.

  • SKUPPER-869 - Enable idle connection timeouts for the TCP transport

    If an endpoint is terminated, for example a client is killed, the other endpoint observes a half-closed connection. If the other endpoint does not close the connection or attempt to send data to the connection, the Skupper router does not release the memory allocated to that connection

    Workaround

    Avoid client server configurations that use this behavior if possible. For example, if a server automatically closes dormant connections, or attempts to communicate with client, the Skupper router frees the memory when a client is terminated.

  • SKUPPER-805 - skupper init doesn’t work for ordinary user on OCP 3.11

    Workaround

    Two workarounds are available:

    • Use YAML to configure a site.
    • Create a service account with the following permissions to run the skupper CLI: 
    ---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: skupper-non-admin
rules:
- apiGroups:
  - ""
  resources:
  - configmaps
  - pods
  - pods/exec
  - services
  - secrets
  - serviceaccounts
  verbs:
  - get
  - list
  - watch
  - create
  - update
  - delete
- apiGroups:
  - apps
  resources:
  - deployments
  - statefulsets
  - daemonsets
  verbs:
  - get
  - list
  - watch
  - create
  - update
  - delete
- apiGroups:
  - route.openshift.io
  resources:
  - routes
  verbs:
  - get
  - list
  - watch
  - create
  - delete
- apiGroups:
  - networking.k8s.io
  resources:
  - ingresses
  - networkpolicies
  verbs:
  - get
  - list
  - watch
  - create
  - delete
- apiGroups:
  - projectcontour.io
  resources:
  - httpproxies
  verbs:
  - get
  - list
  - watch
  - create
  - delete
- apiGroups:
  - rbac.authorization.k8s.io
  resources:
  - rolebindings
  - roles
  verbs:
  - get
  - list
  - watch
  - create
  - delete
    Copy to Clipboard Toggle word wrap

    You can save the YAML above to role.yaml, apply it and bind the role to a username using: 

    $ oc apply -f role.yaml
$  oc policy add-role-to-user skupper-non-admin <username> -n <namespace-name> --role-namespace=<namespace-name>
    Copy to Clipboard Toggle word wrap
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