docs: update Istio integration guide to v1.28.1 with IstioOperator approach#2435
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ctauchen merged 8 commits intotigera:mainfrom Jan 9, 2026
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heads up: this isn't the Istio Ambient mode documentation. For that, see this one: #2431. This PR is an update to our existing ALP integration with Istio (sidecar) |
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Pull request overview
This PR updates the Istio integration documentation to support Istio v1.28.1 using the modern IstioOperator approach, replacing the legacy ConfigMap patching method as the primary installation method while maintaining backward compatibility guidance.
Key Changes:
- Reorganizes content from concept-heavy to task-focused structure
- Introduces declarative IstioOperator configuration for Dikastes injection
- Updates supported Istio versions (v1.28.1 recommended, v1.18+ supported)
- Adds comprehensive troubleshooting section
- Use secure Istio installation (download before execute) - Simplify YAML comments in injection templates - Clarify native sidecar requirement (Istio 1.22+/K8s 1.29+) - Use JSONPath for reliable kubectl checks - Add BPF load balancing configuration command - Remove CSI driver manual installation (auto-installed)
hjiawei
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Product Version(s):
Calico OSS (latest)
Issue:
N/A
Link to docs preview:
Will be added after preview builds
SME review:
DOCS review:
Additional information:
Updated the Istio integration documentation to support the latest Istio v1.28.1 using the modern IstioOperator approach. The legacy ConfigMap patching method has been moved to a dedicated section for backwards compatibility.
Merge checklist: