Skip to Content

Changes for page Rancher 2

Last modified by Diana Strebkova on 2025/12/12 14:23
From version 12.15
edited by Diana Strebkova
on 2025/12/12 13:22
Change comment: There is no comment for this version
To version 19.1
edited by Diana Strebkova
on 2025/12/12 14:17
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -288,7 +288,7 @@
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 ====
... ... @@ -368,42 +368,33 @@
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 -1. Direct Transition (Editing the Existing Repository)
374 - You can modify the existing repository directly:
375 -Change the target to “OCI Repository”.
376 -
377 -* Update the URL as required (the repository name cannot be changed).
378 -
379 -After saving, installed apps will automatically start using the updated repository.
380 -
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).
381 +1*. After saving, installed apps will automatically start using the updated repository.
382 +1*. (% class="box" %)
383 +(((
381 381  Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder.
382 382  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”).
383 383  The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart.
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 +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.**
384 384  
385 -1. Add New Repositories One by One (Recommended)
386 -
387 -This approach allows a smooth transition while the old ChartMuseum repository continues to function.
388 -You can:
389 -
390 -* Create a new OCI repository for each chart,
391 -* Keep the old ChartMuseum repo enabled during the migration,
392 -* Migrate applications gradually following the steps described in the main migration guide.
393 -
394 -This avoids disruptions and allows controlled migration.
395 -
396 -Special Case: Old Repo Targeting Multiple Chart Repos
397 -
398 -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.
399 -
400 400  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
401 401  
402 -(% class="box" %)
403 -(((
404 -**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.**
405 -)))
406 -
407 407  | Term | Meaning
408 408  | **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
409 409  | **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`).
... ... @@ -419,7 +419,7 @@
419 419  1. ##Create the New OCI Repository in Rancher##
420 420  11. Go to **Apps → Repositories**.
421 421  11. Add a new repository of type **OCI**.
422 -11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same.
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.**__
423 423  11. Point it to the new OCI endpoint.
424 424  1. ##Disable the Old ChartMuseum Repository Temporarily## 
425 425  ##This step ensures that Rancher resolves charts from the new OCI repo.##
... ... @@ -426,12 +426,15 @@
426 426  11. Go to **Apps → Repositories**.
427 427  11. Disable the old HTTP(S)-based repository.
428 428  11. Keep it disabled until the migration is done.
420 +[[image:1765548124989-482.59.06.png||height="152" width="485"]]
429 429  1. ##Update Existing Applications to Use the New OCI Repo##
430 430  Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
431 431  11. Go to **Apps → Installed Apps**.
432 432  11. Open the application that was deployed using the old repo.
433 -11. Click **Upgrade**.
434 -11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**.
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"]]
435 435  11. Choose the chart version you want to deploy (same or newer).
436 436  11. Click **Upgrade**.
437 437  1. ##Re-enable the Old Repository (Optional) ##
... ... @@ -438,9 +438,7 @@
438 438  If you still need the old repo for other apps, re-enable it after the migration steps above.
439 439  **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
440 440  
441 -----
442 -
443 -## Reverting the Migration (If Needed)
435 +##
444 444  If you want to move an app back to the old repository:##
445 445  
446 446  1. Temporarily disable the new OCI repo.
1765548124989-482.59.06.png
Author
... ... @@ -1,0 +1,1 @@
1 +xwiki:XWiki.dianastrebkovat-systemscom
Size
... ... @@ -1,0 +1,1 @@
1 +64.4 KB
Content
1765548598644-830.png
Author
... ... @@ -1,0 +1,1 @@
1 +xwiki:XWiki.dianastrebkovat-systemscom
Size
... ... @@ -1,0 +1,1 @@
1 +153.4 KB
Content
1765548750604-334.png
Author
... ... @@ -1,0 +1,1 @@
1 +xwiki:XWiki.dianastrebkovat-systemscom
Size
... ... @@ -1,0 +1,1 @@
1 +103.0 KB
Content
© 2018-2025 T-Systems International GmbH