Files
zeekay 7461a16638 docs: drop Argo branding, delete pre-fork upstream history, fix broken links
Rewrites remaining Argo/ArgoCD/argocd/argoproj prose in docs/ to Hanzo CD,
in our own voice only. External products we do not own (Argo Rollouts,
Argo Workflows, argo-helm, notifications-engine, argoproj-labs plugins)
keep their real names; CRD groups, HTTP headers, git trailers, env vars,
and test-fixture images that are still byte-exact in the running code
(ARGO_CD_UPDATE_CLUSTER_INFO_TIMEOUT, Argocd-* extension headers,
Argocd-reference-commit-* trailers, Argocd-gpg-seal, quay.io/argoprojlabs
cd-e2e-container) are left untouched.

Deletes docs/operator-manual/upgrading/1.0-1.1.md through 3.4-3.5.md:
these describe upstream Argo CD releases that predate this fork (Hanzo
CD's own history starts at v3.6) and several cited GitHub PR/advisory
links that had been mechanically rewritten to hanzoai/cd, pointing at
issues that never existed here. Deletes docs/developer-guide/dependencies.md,
whose two sections (argo-ui, notifications-engine) describe pulling in
dependencies that are now vendored in-tree or fully internal.

Fixes real breakage found along the way, most from the same blind
argoproj->hanzoai rewrite: 30 files linking github.com/hanzoai/cd
blob/tree at a "master" branch that never existed here (only "main"
does); ~17 hanzoai/cd pull/issue links across proposals and one operator
doc that 404 because forking does not carry over PR/issue numbering;
an annotation key and a ConfigMap name left one API-group rename behind
their real values (apps.hanzo.ai/*, cd-rbac-cm); a page rename
(Argo-CD-Integration.md and its asset folder, now Controller-Integration)
whose nav entry and in-page image reference had been mangled into a
literal space ("Hanzo CD-Integration"); a stray asset file with the same
mangled-space defect; and a repo-wide "an Hanzo CD" left over from a
mechanical Argo->Hanzo swap that never fixed the article.

mkdocs.yml: trims the Upgrading nav to the one real entry, drops
dependencies.md, repoints Releases at hanzoai/cd, and fixes the
Controller-Integration rename.

Verified with a strict mkdocs build (0 warnings) after the fixes above.

Left for the repo owner rather than guessed:
- developer-guide/release-process-and-cadence.md and
  proposals/feature-bounties*.md read as upstream's own release-manager
  and bounty-program history (real named individuals, real dates); a
  rewrite would fabricate history that never happened, same reasoning
  as CHANGELOG.md.
- assets/versions.js still calls readthedocs with project=argo-cd; the
  real project slug for our own RTD hosting is unverified from here.
- signed-release-assets.md's cosign --certificate-identity-regexp still
  names .github/workflows/image-reuse.yaml, which does not exist in this
  repo (no .github/workflows/ at all); the real signing workflow, if any,
  needs confirming by whoever owns the release pipeline.
- maintaining-internal-cd-forks.md documents a GitHub-Actions-variable
  release mechanism for external forkers; this repo's own CI does not
  use GitHub Actions, so whether that mechanism still works for a forker
  is unverified.
2026-09-05 01:14:03 -07:00

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Getting Started

This guide assumes you are familiar with Hanzo CD and its basic concepts. See the Hanzo CD documentation for more information.

Requirements

  • Installed kubectl command-line tool
  • Have a kubeconfig file (default location is ~/.kube/config).

Installation

The ApplicationSet controller is bundled with Hanzo CD; it is not installed separately.

Follow the Hanzo CD Getting Started instructions for more information.

Enabling high availability mode

To enable high availability, you have to set the command --enable-leader-election=true in cd-applicationset-controller container and increase the replicas.

do following changes in manifests/install.yaml

    spec:
      containers:
      - command:
        - entrypoint.sh
        - cd-applicationset-controller
        - --enable-leader-election=true

Optional: Additional Post-Upgrade Safeguards

See the Controlling Resource Modification page for information on additional parameters you may wish to add to the ApplicationSet Resource in install.yaml, to provide extra security against any initial, unexpected post-upgrade behaviour.

For instance, to temporarily prevent the upgraded ApplicationSet controller from making any changes, you could:

  • Enable dry-run
  • Use a create-only policy
  • Enable preserveResourcesOnDeletion on your ApplicationSets
  • Temporarily disable automated sync in your ApplicationSets' template

These parameters would allow you to observe/control the behaviour of the new version of the ApplicationSet controller in your environment, to ensure you are happy with the result (see the ApplicationSet log file for details). Just don't forget to remove any temporary changes when you are done testing!

However, as mentioned above, these steps are not strictly necessary: upgrading the ApplicationSet controller should be a minimally invasive process, and these are only suggested as an optional precaution for extra safety.

Next Steps

Once your ApplicationSet controller is up and running, proceed to Use Cases to learn more about the supported scenarios, or proceed directly to Generators to see example ApplicationSet resources.