Page History

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Maintenance work on gating

Access to gating systems

You need to have given your ssh key to one of the admins

then, put in your .ssh/config for access to gating systems:

Host rebond.francecentral.cloudapp.azure.com
  User cloud

Host azure*.onap.eu *.integration.onap.eu
  User cloud
  StrictHostKeyChecking no
  CheckHostIP no
  UserKnownHostsFile /dev/null
  ProxyJump rebond.francecentral.cloudapp.azure.com

# Networks used in Azure cloud
Host 192.168.64.* 192.168.65.* 192.168.53.* 192.168.66.* 192.168.67.*
  ProxyJump rebond.francecentral.cloudapp.azure.com
  StrictHostKeyChecking no
  CheckHostIP no
  UserKnownHostsFile /dev/null
  User cloud

Access to weeklies/dailies in Orange can be done by adding this to your .ssh/config (if granted):

Host rebond.opnfv.fr
 User user

Host master*.onap.eu *.daily.onap.eu *.internal.onap.eu *-weekly.onap.eu istanbul.onap.eu
  User debian
  StrictHostKeyChecking no
  CheckHostIP no
  UserKnownHostsFile /dev/null
  ProxyJump rebond.opnfv.fr

Full filesystem

filesystem of jumphost is full and therefore no tests can be launched

check (on jumphost):

df -h

remediation: clean docker

...

Clean on OpenStack has not been perfomed and we cannot start new tests on gate

check (on jumphost):

openstack --os-cloud admin stack list

it should be blank or at least with very recent creation time

remediation: clean openstack

openstack --os-cloud admin stack delete UUIDs_OF_STACKS

Lost integration images

ONAP images are not anymore on nexus3.onap.org

...

check (on jumphost): uptime on jumphost is more than 100 days and gates are behaving weirdly

uptime

remediation : reinstall gate

Gating reinstallation

To reinstall ONAP Gating instance two pipelines are used. Both are saved as "Scheduled" (but disabled) on Pipeline Schedules · Orange-OpenSource / lfn / ci_cd / chained-ci · GitLab repo. The schedules are:

• ONAP Gating Azure 3 - to recreate Gating 3,
• ONAP Gating Azure 4 - to recreate Gating 4.

It's needed only to run these pipelines (if user is allowed) and wait for finish. It's also required to disable gating system before reinstallation. To do it it's needed to login on Gating bastion (rebond.francecentral.cloudapp.azure.com) and scale one of the required deployments running on "onap-gating" kubernetes namespace:

• chained-ci-mqtt-trigger-worker-7 - Gating 3 deployment,
• chained-ci-mqtt-trigger-worker-8 - Gating 4 deployment.

To scale it down (disable it) call

$ kubectl -n onap-gating scale deployment/<deployment-you-want-to-scale-down> --replicas=0

After successful recreation of gating lab bring it back to work using

$ kubectl -n onap-gating scale deployment/<deployment-you-want-to-scale-down> --replicas=1

command.

To log in gating system you need to call (being on bastion [rebond.francecentral.cloudapp.azure.com])

Gating 3

$ ssh azure3.onap.eu

Gating 4

$ ssh azure4.onap.eu

Certificate issues

cert-manager is responsible for handling certificates (issued by Let's Encrypt). In case of issues with certificates (like outdated ones) start with cert-manager logs analysis.

Up to now two issues occurred. After transferring ownership of onap.eu, cert-manager was unable to issue new certificates due to DNS challenge failing. This was solved by changing challenge method to DNS. It can be done in Issuer resource that is responsible for requesting new certificates from Let's Encrypt. After changes solver section looks like this:

solvers:
- http01:
    ingress:
      class:  nginx

Another issue that occurred was caused by two ingresses that are responsible for different subdomains using the same TLS secret. In this case solution was very simple - changing name of secret in ingress. After that cert-manager will automatically request for new certificate from Let's Encrypt and save it under new name. In order to make it work Ingress also needs following annotations to be present (in metadata section):

metadata:
  annotations:
    kubernetes.io/ingress.class: "nginx"    
    cert-manager.io/issuer: "{{ name_of_responsible_issuer }}"

Obviously {{ name_of_responsible_issuer }} should be changed to appropriate name if Issuer resource.