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Changes for page Rancher 2

Last modified by Diana Strebkova on 2025/12/12 14:23
From version 15.2
edited by Diana Strebkova
on 2025/12/12 13:40
Change comment: There is no comment for this version
To version 22.1
edited by Diana Strebkova
on 2025/12/12 14:23
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 -{{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}}
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}}
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 -(% 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"]] ====
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"]]
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  (((
... ... @@ -368,11 +368,16 @@
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 +
371 371  There are two ways to migrate your repositories:
372 372  
373 373  1. ##Direct Transition (Editing the Existing Repository)##
374 374  1*. Change the target to “OCI Repository”.
375 -1*. Update the URL as required (the repository name cannot be changed).
380 +1*. Update the URL as required (the repository name cannot be changed), check **Target: OCI Repository** documentation above
376 376  1*. After saving, installed apps will automatically start using the updated repository.
377 377  1*. (% class="box" %)
378 378  (((
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384 384  1*. Create a new OCI repository for each chart,
385 385  1*. Keep the old ChartMuseum repo enabled during the migration,
386 386  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.**
387 387  
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 -
394 394  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
395 395  
396 -(% class="box" %)
397 -(((
398 -**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.**
399 -)))
400 -
401 401  | Term | Meaning
402 402  | **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
403 403  | **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`).
... ... @@ -413,7 +413,7 @@
413 413  1. ##Create the New OCI Repository in Rancher##
414 414  11. Go to **Apps → Repositories**.
415 415  11. Add a new repository of type **OCI**.
416 -11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same.
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.**__
417 417  11. Point it to the new OCI endpoint.
418 418  1. ##Disable the Old ChartMuseum Repository Temporarily## 
419 419  ##This step ensures that Rancher resolves charts from the new OCI repo.##
... ... @@ -420,12 +420,15 @@
420 420  11. Go to **Apps → Repositories**.
421 421  11. Disable the old HTTP(S)-based repository.
422 422  11. Keep it disabled until the migration is done.
421 +[[image:1765548124989-482.59.06.png||height="152" width="485"]]
423 423  1. ##Update Existing Applications to Use the New OCI Repo##
424 424  Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
425 425  11. Go to **Apps → Installed Apps**.
426 426  11. Open the application that was deployed using the old repo.
427 -11. Click **Upgrade**.
428 -11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**.
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"]]
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 -----
436 -
437 -## Reverting the Migration (If Needed)
436 +##
438 438  If you want to move an app back to the old repository:##
439 439  
440 440  1. Temporarily disable the new OCI repo.
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