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Questions tagged [openshift]

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2 votes
1 answer
87 views

How to avoid an avalanche of images in Openshift when security patches keep coming in?

Our applications are based on tomcat, strictly speaking on tomcat base s2i image provided by RedHat. This is updated quite frequently, and we need to comply to some regulations and apply the updates. ...
ptrk's user avatar
  • 141
2 votes
0 answers
37 views

How to make fast JSON responses (or equivalent) between server app and front-end apps all running on OpenShift?

I have a system with 5 source data stores (mostly PostgreSQL databases) from which, I want to connect them all to containers running on OpenShift: A library of react applications who's components make ...
Bendy's user avatar
  • 121
1 vote
1 answer
112 views

Apex domain to point to an Openshift ROSA application

We have a ROSA (Openshift on AWS) cluster, working fine with all kinds of domains except one, which happens to be an apex of the Hosting Zone in our Route53. So, say, the domain is example.com and it'...
ptrk's user avatar
  • 141
0 votes
0 answers
14 views

Troubleshooting the 'View in Alertmanager' Button in MultiClusterObservability Email Notifications

This question concerns Openshift, but perhaps someone who simply deals with Kubernetes might be able to help. I have 2 clusters and on one of them I deployed Prometheus Alertmanager on Redhat ACM ...
Daveron's user avatar
0 votes
0 answers
24 views

How to configure a prometheus installation of openshift to include the labels of node role in the exporter?

We want to alert based on cpu requests only on worker nodes namespace_cpu:kube_pod_container_resource_requests:sum{kubernetes_node_role=~"worker"} gives no datapoints and namespace_cpu:...
Adrián Blázquez's user avatar
0 votes
0 answers
531 views

Auto start and stop of deployments and pods

I want to schedule the deployments according to different timings. Is it possible to configure in the deployment.yml files that the deployment should be scaled to 0 at some hour and scaled up again at ...
Vini's user avatar
  • 121