ICAInstallation, Upgrade & ConfigurationMedium
Write an IstioOperator that changes mesh defaults and gateways, then use it for an in-place upgrade from 1.29.9 to 1.29.10.
Single node · ~10 min · 9 points
- istiooperator
- in-place-upgrade
- meshconfig
- egress-gateway
- installation-upgrades-configuration
goldenkube start ica-ins-002
ICAInstallation, Upgrade & ConfigurationMedium
Install the ambient profile and add an existing namespace to the ambient data plane without sidecars.
Single node · ~10 min · 8 points
- ambient
- ztunnel
- istio-cni
- istioctl
- installation-upgrades-configuration
goldenkube start ica-ins-004
ICASecuring WorkloadsMedium
Write an ALLOW AuthorizationPolicy that admits a single workload identity for GET on two paths and nothing else.
Single node · ~8 min · 8 points
- authorizationpolicy
- allow
- principals
- spiffe
- securing-workloads
goldenkube start ica-sec-002
ICASecuring WorkloadsMedium
Combine a namespace-wide deny-all with an ALLOW and a DENY AuthorizationPolicy and reason about their evaluation order.
Single node · ~9 min · 9 points
- authorizationpolicy
- deny-by-default
- allow-nothing
- deny
- securing-workloads
goldenkube start ica-sec-005
ICATroubleshootingMedium
A weighted route points at a subset that does not exist; repair the configuration without touching the route.
Single node · ~8 min · 8 points
- destinationrule
- subsets
- istioctl-analyze
- http-503
- troubleshooting
goldenkube start ica-trb-002
ICATroubleshootingMedium
istiod does not start any more, so the injection webhook blocks pod creation; restore the control plane.
Single node · ~8 min · 8 points
- istiod
- control-plane
- webhook
- image
- troubleshooting
goldenkube start ica-trb-003
ICATraffic ManagementMedium
Define service subsets and send requests of one user to v2 while everybody else stays on v1.
Single node · ~8 min · 8 points
- virtualservice
- destinationrule
- subsets
- header-routing
- traffic-management
goldenkube start ica-trf-002
ICATraffic ManagementMedium
Switch the mesh to registry-only outbound traffic and allow exactly one external host with a ServiceEntry.
Single node · ~9 min · 9 points
- egress
- serviceentry
- outbound-traffic-policy
- meshconfig
- traffic-management
goldenkube start ica-trf-004
ICATraffic ManagementMedium
Make a slow backend fail fast with a timeout and retries, and protect it with a connection pool and outlier detection.
Single node · ~10 min · 10 points
- resilience
- timeout
- retries
- circuit-breaking
- outlier-detection
- traffic-management
goldenkube start ica-trf-005
ICATraffic ManagementMedium
Use VirtualService fault injection to delay test traffic and fail half of the remaining requests.
Single node · ~8 min · 8 points
- fault-injection
- delay
- abort
- virtualservice
- traffic-management
goldenkube start ica-trf-006
ICATraffic ManagementMedium
Configure locality-aware load balancing that fails over from one region to another when endpoints are ejected.
Single node · ~7 min · 7 points
- locality-load-balancing
- failover
- outlier-detection
- destinationrule
- traffic-management
goldenkube start ica-trf-007