Changes for page Rancher 2
Last modified by Diana Strebkova on 2025/12/12 14:23
From version 12.1
edited by Diana Strebkova
on 2025/12/12 12:23
on 2025/12/12 12:23
Change comment:
There is no comment for this version
To version 14.1
edited by Diana Strebkova
on 2025/12/12 13:32
on 2025/12/12 13:32
Change comment:
There is no comment for this version
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... ... @@ -368,8 +368,38 @@ 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 -T oensure asmooth transition, werecommendto**addan OCI-basedrepositoryalongside the existingChartMuseumrepository** during themigration phase.371 +There are two ways to migrate your repositories: 372 372 373 +1. ##Direct Transition (Editing the Existing Repository)## 374 +11. Change the target to “OCI Repository”. 375 +11. Update the URL as required (the repository name cannot be changed). 376 + 377 +1. Direct Transition (Editing the Existing Repository).You can modify the existing repository directly: 378 +Change the target to “OCI Repository”.Update the URL as required (the repository name cannot be changed). 379 + 380 +After saving, installed apps will automatically start using the updated repository. 381 + 382 +Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder. 383 +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”). 384 +The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart. 385 + 386 +1. Add New Repositories One by One (Recommended) 387 + 388 +This approach allows a smooth transition while the old ChartMuseum repository continues to function. 389 +You can: 390 + 391 +* Create a new OCI repository for each chart, 392 +* Keep the old ChartMuseum repo enabled during the migration, 393 +* Migrate applications gradually following the steps described in the main migration guide. 394 + 395 +This avoids disruptions and allows controlled migration. 396 + 397 +Special Case: Old Repo Targeting Multiple Chart Repos 398 + 399 +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. 400 + 401 +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 402 + 373 373 (% class="box" %) 374 374 ((( 375 375 **We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.** ... ... @@ -392,12 +392,13 @@ 392 392 11. Add a new repository of type **OCI**. 393 393 11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same. 394 394 11. Point it to the new OCI endpoint. 395 -1. ##Disable the Old ChartMuseum Repository Temporarily##. ##This step ensures that Rancher resolves charts from the new OCI repo.## 425 +1. ##Disable the Old ChartMuseum Repository Temporarily## 426 +##This step ensures that Rancher resolves charts from the new OCI repo.## 396 396 11. Go to **Apps → Repositories**. 397 397 11. Disable the old HTTP(S)-based repository. 398 398 11. Keep it disabled until the migration is done. 399 399 1. ##Update Existing Applications to Use the New OCI Repo## 400 - ##Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.##431 +Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition. 401 401 11. Go to **Apps → Installed Apps**. 402 402 11. Open the application that was deployed using the old repo. 403 403 11. Click **Upgrade**. ... ... @@ -404,41 +404,26 @@ 404 404 11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. 405 405 11. Choose the chart version you want to deploy (same or newer). 406 406 11. Click **Upgrade**. 407 -1. ##Re-enable the Old Repository (Optional) If you still need the old repo for other apps, re-enable it after the migration steps above.## 438 +1. ##Re-enable the Old Repository (Optional) ## 439 +If you still need the old repo for other apps, re-enable it after the migration steps above. 440 +**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 408 408 409 - 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.442 +---- 410 410 411 ------ 412 - 413 413 ## Reverting the Migration (If Needed) 414 414 If you want to move an app back to the old repository:## 415 415 416 416 1. Temporarily disable the new OCI repo. 417 - 2. Enable the old ChartMuseum repo.418 - 3. Open the application → **Upgrade**.419 - 4. Select the chart from the old repo.420 - 5. Save.448 +1. Enable the old ChartMuseum repo. 449 +1. Open the application → **Upgrade**. 450 +1. Select the chart from the old repo. 451 +1. Save. 421 421 422 422 This will reconnect the app to the old repository. 423 423 424 ------ 455 += 456 +Automated deployments with Jenkins = 425 425 426 -## Summary 427 -- Add new OCI repo → disable old repo → upgrade apps → reconnect to OCI repo. 428 -- After upgrade, apps no longer track versions from the old repository. 429 -- Old repository will stop functioning after ChartMuseum shutdown, so migration is required.## 430 - 431 ------ 432 - 433 -If you want, I can also generate: 434 -- a shorter version (1-pager), 435 -- a diagram, 436 -- a Rancher UI screenshot guide, 437 -- or a version tailored for your team’s internal wiki. 438 - 439 - 440 -= Automated deployments with Jenkins = 441 - 442 442 In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins. 443 443 444 444 == Prerequisites ==