Changes for page Rancher 2
Last modified by Diana Strebkova on 2025/12/12 14:23
From version 14.2
edited by Diana Strebkova
on 2025/12/12 13:35
on 2025/12/12 13:35
Change comment:
There is no comment for this version
To version 11.3
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
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -368,35 +368,8 @@ 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 here are twoways tomigrateyourrepositories:371 +To ensure a smooth transition, we recommend to **add an OCI-based repository alongside the existing ChartMuseum repository** during the migration phase. 372 372 373 -1. ##Direct Transition (Editing the Existing Repository)## 374 -11. Change the target to “OCI Repository”. 375 -11. (% class="box" %) 376 -((( 377 -Update the URL as required (the repository name cannot be changed). 378 -After saving, installed apps will automatically start using the updated repository. 379 -Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder. 380 -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”). 381 -The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart. 382 -))) 383 -1. Add New Repositories One by One (Recommended) 384 - 385 -This approach allows a smooth transition while the old ChartMuseum repository continues to function. 386 -You can: 387 - 388 -* Create a new OCI repository for each chart, 389 -* Keep the old ChartMuseum repo enabled during the migration, 390 -* Migrate applications gradually following the steps described in the main migration guide. 391 - 392 -This avoids disruptions and allows controlled migration. 393 - 394 -Special Case: Old Repo Targeting Multiple Chart Repos 395 - 396 -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. 397 - 398 -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 399 - 400 400 (% class="box" %) 401 401 ((( 402 402 **We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.** ... ... @@ -419,13 +419,12 @@ 419 419 11. Add a new repository of type **OCI**. 420 420 11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same. 421 421 11. Point it to the new OCI endpoint. 422 -1. ##Disable the Old ChartMuseum Repository Temporarily## 423 -##This step ensures that Rancher resolves charts from the new OCI repo.## 395 +1. ##Disable the Old ChartMuseum Repository Temporarily##. ##This step ensures that Rancher resolves charts from the new OCI repo.## 424 424 11. Go to **Apps → Repositories**. 425 425 11. Disable the old HTTP(S)-based repository. 426 426 11. Keep it disabled until the migration is done. 427 427 1. ##Update Existing Applications to Use the New OCI Repo## 428 -Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition. 400 +##Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.## 429 429 11. Go to **Apps → Installed Apps**. 430 430 11. Open the application that was deployed using the old repo. 431 431 11. Click **Upgrade**. ... ... @@ -432,26 +432,41 @@ 432 432 11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. 433 433 11. Choose the chart version you want to deploy (same or newer). 434 434 11. Click **Upgrade**. 435 -1. ##Re-enable the Old Repository (Optional) ## 436 -If you still need the old repo for other apps, re-enable it after the migration steps above. 437 -**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 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.## 438 438 439 - ----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. 440 440 411 +----- 412 + 441 441 ## Reverting the Migration (If Needed) 442 442 If you want to move an app back to the old repository:## 443 443 444 444 1. Temporarily disable the new OCI repo. 445 - 1. Enable the old ChartMuseum repo.446 - 1. Open the application → **Upgrade**.447 - 1. Select the chart from the old repo.448 - 1. Save.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. 449 449 450 450 This will reconnect the app to the old repository. 451 451 452 -= 453 -Automated deployments with Jenkins = 424 +----- 454 454 426 +## 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 + 455 455 In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins. 456 456 457 457 == Prerequisites ==