docs(mongodb): fix broken commands, example refs, and container names found by executing the guides

[tamalsaha]

Found by re-executing the MongoDB guides on a live KubeDB v2026.6.19 cluster (single-node k3s). Every fix below was confirmed on-cluster or against the source of truth (apimachinery API/ops types, example YAMLs) before editing.

Executable command fixes

• kubectl get ...,sts,... -> ...,petset,... in the resource-listing commands. The KubeDB workload is a PetSet CR (apps.k8s.appscode.com), so kubectl get sts returns nothing. Verified kubectl get sts -n demo -> No resources found. Files: quickstart/quickstart.md (3x), clustering/{replicaset,sharding,standalone}.md, arbiter/{replicaset,sharding}.md, hidden-node/sharding.md.
• podTemplate container name: mongo -> name: mongodb in clustering/standalone.md and configuration/using-podtemplate.md. The operator's container is mongodb; with name: mongo the resource/args overrides are silently dropped. Verified on cluster: name: mongo yielded default 800m/1536Mi, whereas the example's name: mongodb correctly applied cpu=250m/mem=1Gi and --maxConns=100.

Broken example-YAML references (raw fetch 404)

• configuration/using-config-file.md: configuration/replicaset.yaml (does not exist) -> configuration/demo-1.yaml (matches inline mgo-custom-config; deployed successfully, net.maxIncomingConnections=10000 verified).
• initialization/using-script.md: Initialization/replicaset.yaml (does not exist) -> Initialization/demo-1.yaml (matches inline mgo-init-script).
• initialization/gitsync.md: lowercase initialization/git-sync-public.yaml -> Initialization/git-sync-public.yaml (directory is case-sensitive Initialization).

Wrong field / secret key

• initialization/using-script.md: auth-secret example used key user: -> username: (basic-auth key; the guide's own prose and jsonpath already use username).
• rotate-auth/rotateauth.md: jq .spec.authsecret.name -> .spec.authSecret.name (3x + prose). Verified the lowercase form returns null; .spec.authSecret.name returns the secret name. Source: apimachinery/apis/kubedb/v1/mongodb_types.go (json:"authSecret").

Minor

• rotate-auth/rotateauth.md: filename typo mongobd.yaml -> mongodb.yaml; hardcoded raw/v2025.6.30/... URL -> {{ .version }} template (matching the rest of the file).
• quickstart/quickstart.md: fixed garbled Check 0 text and replaced the corrupt kubectl get mongodbversions output table (misaligned columns / nonsensical rows from a prior bad find-replace) with the real current-cluster output.

Verified but NOT changed

• apiVersion: kubedb.com/v1 is correct for MongoDB (kept).
• The rotate-auth base YAML using apiVersion: kubedb.com/v1alpha2 + terminationPolicy applies fine (conversion webhook stores it as v1/deletionPolicy); left as-is.

Summary by CodeRabbit

• Documentation
  • Updated multiple MongoDB guides to reflect current resource names and example commands.
  • Fixed several walkthroughs to use petset in Kubernetes listings instead of sts.
  • Corrected example file references, command paths, and JSON field casing for setup and verification steps.
  • Refreshed quickstart sample output to show newer MongoDB version examples and updated resource listings.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: f7a4218e-3886-4dfa-b2dd-fd044315ecf9

📥 Commits

Reviewing files that changed from the base of the PR and between 4cc00e7 and 6a0bef7.

📒 Files selected for processing (3)

• docs/examples/mongodb/initialization/demo-1.yaml
• docs/examples/mongodb/initialization/git-sync-public.yaml
• docs/guides/mongodb/initialization/using-script.md

📝 Walkthrough

Walkthrough

This PR updates MongoDB documentation guides across arbiter, clustering, configuration, hidden-node, initialization, quickstart, and rotate-auth sections. Changes replace sts resource references with petset, correct container names, fix example manifest URLs/filenames, and correct authSecret field casing in jq commands.

Changes

MongoDB documentation fixes

Layer / File(s)	Summary
sts to petset resource listing docs/guides/mongodb/arbiter/replicaset.md, docs/guides/mongodb/arbiter/sharding.md, docs/guides/mongodb/clustering/replicaset.md, docs/guides/mongodb/clustering/sharding.md, docs/guides/mongodb/clustering/standalone.md, docs/guides/mongodb/hidden-node/sharding.md, docs/guides/mongodb/quickstart/quickstart.md	Example kubectl get commands in Halt/Delete/WipeOut sections updated to query petset instead of sts resources; quickstart MongoDBVersion output table also refreshed.
Container name and manifest reference fixes docs/guides/mongodb/clustering/standalone.md, docs/guides/mongodb/configuration/using-config-file.md, docs/guides/mongodb/configuration/using-podtemplate.md, docs/guides/mongodb/initialization/gitsync.md, docs/guides/mongodb/initialization/using-script.md	Container name fields changed from mongo to mongodb; example manifest URLs updated to demo-1.yaml and Initialization path casing; Secret example key changed from user to username.
rotate-auth guide field casing and filename fixes docs/guides/mongodb/rotate-auth/rotateauth.md	Fixed mongobd.yaml typo to mongodb.yaml, corrected authsecret.name to authSecret.name in jq commands, updated secretRef description bullet, and switched hard-coded version path to templated {{ .version }}.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• kubedb/docs#951: Both PRs update documentation commands to use petset instead of sts across MongoDB guides.
• kubedb/docs#954: Overlapping sts→petset corrections in the same MongoDB guide files including arbiter, clustering, and quickstart docs.

Suggested reviewers: kodiak-appscode

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the doc fixes: broken commands, example references, and container name corrections found by running the guides.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs-refresh-mongodb-2

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