[DRAFT - NO MERGE] Add installation docs for OpenShift on Google Cloud Dedicated - #117207
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…gn cloud New assembly and modules documenting how to install OpenShift on Google Cloud Dedicated (GCD) sovereign cloud regions. GCD is a fully isolated cloud environment with strict data sovereignty guarantees, separate from public Google Cloud. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Document that the default StorageClass must be changed to hyperdisk-balanced after installation, and that Cloud Storage is single-region only in GCD. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Remove automatic RHCOS image upload references. GCD requires users to supply a custom OS image with both name and project fields, as implemented by openshift/installer#10709. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Incorporate useful content from Bruno's reference PR openshift#117207: - Add gcp-dedicated-machine-types.adoc with the C3/M3/A3 Edge instance types table tested on Google Cloud Dedicated - Add standard shared module includes to the assembly: cluster entitlements, SSH agent setup, obtaining the installer, minimum resource requirements, proxy configuration, manual IAM credential creation, and CLI login - Add GOOGLE_CLOUD_UNIVERSE_DOMAIN and GOOGLE_APPLICATION_CREDENTIALS env var requirements to the prerequisites - Add "Next steps" section matching other GCP install assemblies - Restructure assembly to follow the standard GCP install doc pattern Co-authored-by: Cursor <cursoragent@cursor.com>
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Important
This PR is a draft only, not intended to be merged
A follow up PR can use this as reference, feel free to close after.
Summary
GCPSovereignCloudInstallTechPreview feature gateNew files
installing/installing_gcp/installing-gcp-sovereign-cloud.adoc- Main assembly pagemodules/installation-gcp-about-sovereign-cloud.adoc- Concept module covering GCD overview, key differences from public Google Cloud, and OpenShift-specific constraintsmodules/installation-gcp-sovereign-cloud-prerequisites.adoc- Procedure module for GCD credential/project setupmodules/installation-gcp-sovereign-cloud-config-yaml.adoc- Annotated sample install-config.yaml for GCDmodules/installation-gcp-sovereign-cloud-machine-types.adoc- Supported C3/M3/A3 Edge machine types referencemodules/installation-gcp-sovereign-cloud-limitations.adoc- GCD-specific limitations (disk types, networking, identity, OS images)Modified files
_topic_maps/_topic_map.yml- Added sovereign cloud entry to the Google Cloud sectioninstalling/installing_gcp/preparing-to-install-on-gcp.adoc- Added sovereign cloud to the IPI methods list_attributes/common-attributes.adoc- Added:gcp-dedicated:attributeRelated installer PRs
CORS-4536: Auto-upload RHCOS image for sovereign clouds installer#10686 - Auto upload RHCOS image for sovereign cloudTest plan
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