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Changes for page Rancher 2

Last modified by Diana Strebkova on 2025/12/12 14:23
From version 19.1
edited by Diana Strebkova
on 2025/12/12 14:17
Change comment: There is no comment for this version
To version 15.2
edited by Diana Strebkova
on 2025/12/12 13:40
Change comment: There is no comment for this version

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288 288  Create a new Repository by pressing the Create button.
289 289  
290 290  (% id="HTarget:http28s29URL-1" class="p1" %)
291 -[[image:attach:Screenshot 2023-04-25 at 13.30.33.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" height="127" width="1100"]]
291 +==== [[image:attach:Screenshot 2023-04-25 at 13.30.33.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" height="127" width="1100"]] ====
292 292  
293 293  (% id="HTarget:http28s29URL-1" class="p1" %)
294 294  ==== Target: http(s) URL ====
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368 368  ChartMuseum is being deprecated. After the migration is complete, **all harbor charts will be removed from ChartMuseum**, and **old HTTP(S)-based chart repositories will no longer work in Rancher (for internal harbor charts)**.
369 369  )))
370 370  
371 -(% class="box" %)
372 -(((
373 -**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects. During migration, please adapt your helm push commands and url's for new oci-compatible repository.**
374 -)))
375 -
376 376  There are two ways to migrate your repositories:
377 377  
378 378  1. ##Direct Transition (Editing the Existing Repository)##
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389 389  1*. Create a new OCI repository for each chart,
390 390  1*. Keep the old ChartMuseum repo enabled during the migration,
391 391  1*. Migrate applications gradually following the steps described here.
392 -1*. This avoids disruptions and allows controlled migration.
393 -1. //Special Case: Old Repo Targeting Multiple Chart Repos//
394 -If your existing repository targets multiple chart repositories and you need the new OCI setup to behave the same way, please **contact support.**
395 395  
388 +This avoids disruptions and allows controlled migration.
389 +
390 +Special Case: Old Repo Targeting Multiple Chart Repos
391 +
392 +If your existing repository targets multiple chart repositories and you need the new OCI setup to behave the same way, please contact support. OCI does not support multi-chart endpoints within a single repository, and we can help you find an appropriate solution.
393 +
396 396  To ensure a smooth transition, we recommend to **add an OCI-based repository alongside the existing ChartMuseum repository** during the migration phase. If you don't w
397 397  
396 +(% class="box" %)
397 +(((
398 +**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.**
399 +)))
400 +
398 398  | Term | Meaning
399 399  | **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
400 400  | **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`).
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410 410  1. ##Create the New OCI Repository in Rancher##
411 411  11. Go to **Apps → Repositories**.
412 412  11. Add a new repository of type **OCI**.
413 -11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). __**You can't name it the same and can't rename it later.**__
416 +11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same.
414 414  11. Point it to the new OCI endpoint.
415 415  1. ##Disable the Old ChartMuseum Repository Temporarily## 
416 416  ##This step ensures that Rancher resolves charts from the new OCI repo.##
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417 417  11. Go to **Apps → Repositories**.
418 418  11. Disable the old HTTP(S)-based repository.
419 419  11. Keep it disabled until the migration is done.
420 -[[image:1765548124989-482.59.06.png||height="152" width="485"]]
421 421  1. ##Update Existing Applications to Use the New OCI Repo##
422 422  Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
423 423  11. Go to **Apps → Installed Apps**.
424 424  11. Open the application that was deployed using the old repo.
425 -11. Click **Edit/Upgrade**.
426 -[[image:1765548598644-830.png||height="138" width="811"]]
427 -11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. Or enter the chart name in search bar:
428 -[[image:1765548750604-334.png||height="293" width="308"]]
427 +11. Click **Upgrade**.
428 +11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**.
429 429  11. Choose the chart version you want to deploy (same or newer).
430 430  11. Click **Upgrade**.
431 431  1. ##Re-enable the Old Repository (Optional) ##
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432 432  If you still need the old repo for other apps, re-enable it after the migration steps above.
433 433  **Note:** Even if a newer chart version exists in the old repository, your migrated app **will not see it**, because it is no longer connected to that repo
434 434  
435 -##
435 +----
436 +
437 +## Reverting the Migration (If Needed)
436 436  If you want to move an app back to the old repository:##
437 437  
438 438  1. Temporarily disable the new OCI repo.
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