Openshift Operations

When to Use

• OpenShift cluster administration
• Operator management
• Security configuration
• Cluster troubleshooting

Prerequisites

• Cluster admin access
• OpenShift CLI (oc) installed
• Understanding of OpenShift concepts

Commands

Cluster Health

# Check cluster version
oc get clusterversion

# Check cluster operators
oc get clusteroperators

# Check nodes
oc get nodes -o wide

# Check pods in all namespaces
oc get pods -A | grep -v Running

Operator Management

# List available operators
oc get packagemanifests -n openshift-marketplace

# Install operator via subscription
oc apply -f - <<EOF
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: operator-name
  namespace: openshift-operators
spec:
  channel: stable
  name: operator-name
  source: redhat-operators
  sourceNamespace: openshift-marketplace
EOF

# Check operator status
oc get csv -n openshift-operators

Security Configuration

# Check SCCs
oc get scc

# Add SCC to service account
oc adm policy add-scc-to-user <scc-name> -z <sa-name> -n <namespace>

# Check OAuth configuration
oc get oauth cluster -o yaml

Best Practices

1. Use operators for complex deployments
2. Configure OAuth for SSO integration
3. Apply NetworkPolicies for pod isolation
4. Enable cluster monitoring

Output Format

1. Command executed
2. Cluster state summary
3. Any issues detected
4. Remediation steps

Integration with Agents

Used by: @platform, @sre