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Changes for page Rancher 2

Last modified by Diana Strebkova on 2025/12/12 14:23
From version 22.1
edited by Diana Strebkova
on 2025/12/12 14:23
Change comment: There is no comment for this version
To version 12.6
edited by Diana Strebkova
on 2025/12/12 13:00
Change comment: There is no comment for this version

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249 249  
250 250  oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-lib
251 251  
252 -{{box}}
253 -Take into account, that all internal harbor repositories with helm charts have PKEY-helm naming convention, adding repo with both docker images and helm charts is not supported in rancher.
254 -{{/box}}
252 +{{info}}
253 +Take into account, that all internal harbor repositories with helm charts have PKEY-helm naming convention, adding repo with both docker images and helm charts may not be supported in rancher.
254 +{{/info}}
255 255  )))
256 256  
257 257  {{info}}
... ... @@ -287,8 +287,8 @@
287 287  (% class="p1" %)
288 288  Create a new Repository by pressing the Create button.
289 289  
290 -(% class="p1" id="HTarget:http28s29URL-1" %)
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"]]
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"]] ====
292 292  
293 293  (% id="HTarget:http28s29URL-1" class="p1" %)
294 294  ==== Target: http(s) URL ====
... ... @@ -361,7 +361,7 @@
361 361  {{/info}}
362 362  )))
363 363  
364 -== Migrating chart repositories in rancher to new OCI Repository format ==
364 +=== Migrating chart repositories in rancher to new OCI Repository format ===
365 365  
366 366  (% class="box warningmessage" %)
367 367  (((
... ... @@ -368,34 +368,17 @@
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 -)))
371 +There are 2 ways to "migrate" the repos:
375 375  
376 -There are two ways to migrate your repositories:
373 +1.
377 377  
378 -1. ##Direct Transition (Editing the Existing Repository)##
379 -1*. Change the target to “OCI Repository”.
380 -1*. Update the URL as required (the repository name cannot be changed), check **Target: OCI Repository** documentation above
381 -1*. After saving, installed apps will automatically start using the updated repository.
382 -1*. (% class="box" %)
375 +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
376 +
377 +(% class="box" %)
383 383  (((
384 -Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder.
385 -If your old repository included several charts (for example “bitbucket” and “jira”), then after switching to OCI you can only target one chart (e.g. “bitbucket”).
386 -The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart.
379 +**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.**
387 387  )))
388 -1. Add New Repositories One by One (Recommended), preserve the old one till the end. This approach allows a smooth transition while the old ChartMuseum repository continues to function. You can:
389 -1*. Create a new OCI repository for each chart,
390 -1*. Keep the old ChartMuseum repo enabled during the migration,
391 -1*. Migrate applications gradually following the steps described here.
392 -1*. This avoids disruptions and allows controlled migration.
393 -
394 -1. //Special Case: Old Repo Targeting Multiple Chart Repos//
395 -If your existing repository targets multiple chart repositories and you need the new OCI setup to behave the same way, please **contact support.**
396 396  
397 -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
398 -
399 399  | Term | Meaning
400 400  | **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
401 401  | **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`).
... ... @@ -411,7 +411,7 @@
411 411  1. ##Create the New OCI Repository in Rancher##
412 412  11. Go to **Apps → Repositories**.
413 413  11. Add a new repository of type **OCI**.
414 -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.**__
397 +11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same.
415 415  11. Point it to the new OCI endpoint.
416 416  1. ##Disable the Old ChartMuseum Repository Temporarily## 
417 417  ##This step ensures that Rancher resolves charts from the new OCI repo.##
... ... @@ -418,15 +418,12 @@
418 418  11. Go to **Apps → Repositories**.
419 419  11. Disable the old HTTP(S)-based repository.
420 420  11. Keep it disabled until the migration is done.
421 -[[image:1765548124989-482.59.06.png||height="152" width="485"]]
422 422  1. ##Update Existing Applications to Use the New OCI Repo##
423 423  Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
424 424  11. Go to **Apps → Installed Apps**.
425 425  11. Open the application that was deployed using the old repo.
426 -11. Click **Edit/Upgrade**.
427 -[[image:1765548598644-830.png||height="138" width="811"]]
428 -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:
429 -[[image:1765548750604-334.png||height="293" width="308"]]
408 +11. Click **Upgrade**.
409 +11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**.
430 430  11. Choose the chart version you want to deploy (same or newer).
431 431  11. Click **Upgrade**.
432 432  1. ##Re-enable the Old Repository (Optional) ##
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433 433  If you still need the old repo for other apps, re-enable it after the migration steps above.
434 434  **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
435 435  
436 -##
416 +----
417 +
418 +## Reverting the Migration (If Needed)
437 437  If you want to move an app back to the old repository:##
438 438  
439 439  1. Temporarily disable the new OCI repo.
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