Changes for page Rancher 2
Last modified by Diana Strebkova on 2025/12/12 14:23
From version 11.1
edited by Diana Strebkova
on 2025/12/12 12:08
on 2025/12/12 12:08
Change comment:
There is no comment for this version
To version 13.1
edited by Diana Strebkova
on 2025/12/12 13:29
on 2025/12/12 13:29
Change comment:
There is no comment for this version
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -281,7 +281,6 @@ 281 281 (% class="p1" %) 282 282 In Rancher UI, switch to the intended cluster and go to Apps/Repositories using the left side menu. 283 283 284 -(% class="p1" %) 285 285 286 286 [[image:attach:Screenshot 2023-04-25 at 13.11.48.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" height="400" width="209"]] 287 287 ... ... @@ -336,7 +336,6 @@ 336 336 (% class="wikigeneratedid" %) 337 337 Click Create. 338 338 339 - 340 340 (% class="wrapped" %) 341 341 |=((( 342 342 Field ... ... @@ -365,103 +365,96 @@ 365 365 366 366 === Migrating chart repositories in rancher to new OCI Repository format === 367 367 368 -# Migration Guide: ChartMuseum → OCI-based Chart Repositories in Rancher 366 +(% class="box warningmessage" %) 367 +((( 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 +))) 369 369 370 -## Overview 371 -ChartMuseum is being deprecated. After the migration is complete, **all charts will be removed from ChartMuseum**, and **old HTTP(S)-based chart repositories will no longer work in Rancher**. 371 +There are two ways to migrate your repositories: 372 372 373 -To ensure a smooth transition, each project should **add an OCI-based repository alongside the existing ChartMuseum repository** during the migration phase. 373 +1. Direct Transition (Editing the Existing Repository) 374 + You can modify the existing repository directly: 375 +11.Change the target to “OCI Repository”. 376 +11.Update the URL as required (the repository name cannot be changed). 374 374 375 - Wewillmakeyourchartsavailableinthe correspondingnew`<pkey>-helm`OCI projects.378 +After saving, installed apps will automatically start using the updated repository. 376 376 377 ---- 380 +Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder. 381 +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”). 382 +The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart. 378 378 379 -## Terminology 380 -| Term | Meaning | 381 -|------|---------| 382 -| **Old Repository** | The existing HTTP/HTTPS ChartMuseum repository. | 383 -| **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`). | 384 +1. Add New Repositories One by One (Recommended) 384 384 385 ---- 386 +This approach allows a smooth transition while the old ChartMuseum repository continues to function. 387 +You can: 386 386 387 -## Why This Migration Is Required 388 -- ChartMuseum is deprecated and will be removed. 389 -- Applications deployed from old repos keep a reference to that repo inside their labels. 390 -- Without updating the application to point to the new OCI repo, **Rancher will not detect new chart versions**. 389 +* Create a new OCI repository for each chart, 390 +* Keep the old ChartMuseum repo enabled during the migration, 391 +* Migrate applications gradually following the steps described in the main migration guide. 391 391 392 - ---393 +This avoids disruptions and allows controlled migration. 393 393 394 - ## MigrationSteps395 +Special Case: Old Repo Targeting Multiple Chart Repos 395 395 396 -### 1. Create the New OCI Repository in Rancher 397 -1. Go to **Apps → Repositories**. 398 -2. Add a new repository of type **OCI**. 399 -3. Name it exactly like your old repo name (e.g. `<chart-repo-name>`). 400 -4. Point it to the new OCI endpoint. 397 +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. 401 401 402 -- --399 +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 403 403 404 -### 2. Disable the Old ChartMuseum Repository Temporarily 405 -This step ensures that Rancher resolves charts from the new OCI repo. 401 +(% class="box" %) 402 +((( 403 +**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.** 404 +))) 406 406 407 - 1.Goto**Apps → Repositories**.408 - 2.DisabletheoldHTTP(S)-basedrepository.409 - 3.Keepitdisableduntilthemigration is done.406 +| Term | Meaning 407 +| **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository. 408 +| **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`). 410 410 411 - ---410 +##__**Why This Migration Is Required:**__## 412 412 413 -## # 3. UpdateExistingApplications to UsetheNewOCIRepo414 -Applications deployed withtheold repositorystillcontainthe oldrepo nameintheirmetadata.415 - Youmust upgradethemonceto transition.412 +* ##ChartMuseum is deprecated and will be removed.## 413 +* ##Applications deployed from old repos keep a reference to that repo inside their labels.## 414 +* ##Without updating the application to point to the new OCI repo, **Rancher will not detect new chart versions from new repository**.## 416 416 417 -1. Go to **Apps → Installed Apps**. 418 -2. Open the application that was deployed using the old repo. 419 -3. Click **Upgrade**. 420 -4. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. 421 -5. Choose the chart version you want to deploy (same or newer). 422 -6. Click **Upgrade**. 416 +## Migration Steps:## 423 423 424 -After this upgrade: 425 -- Your application is now linked to the **new OCI repository**. 426 -- Rancher will show upgrade notifications only for versions available in the new repo. 427 - 428 ---- 429 - 430 -### 4. Re-enable the Old Repository (Optional) 418 +1. ##Create the New OCI Repository in Rancher## 419 +11. Go to **Apps → Repositories**. 420 +11. Add a new repository of type **OCI**. 421 +11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same. 422 +11. Point it to the new OCI endpoint. 423 +1. ##Disable the Old ChartMuseum Repository Temporarily## 424 +##This step ensures that Rancher resolves charts from the new OCI repo.## 425 +11. Go to **Apps → Repositories**. 426 +11. Disable the old HTTP(S)-based repository. 427 +11. Keep it disabled until the migration is done. 428 +1. ##Update Existing Applications to Use the New OCI Repo## 429 +Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition. 430 +11. Go to **Apps → Installed Apps**. 431 +11. Open the application that was deployed using the old repo. 432 +11. Click **Upgrade**. 433 +11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. 434 +11. Choose the chart version you want to deploy (same or newer). 435 +11. Click **Upgrade**. 436 +1. ##Re-enable the Old Repository (Optional) ## 431 431 If you still need the old repo for other apps, re-enable it after the migration steps above. 438 +**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 432 432 433 - > 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.440 +---- 434 434 435 ---- 436 - 437 437 ## Reverting the Migration (If Needed) 438 -If you want to move an app back to the old repository: 443 +If you want to move an app back to the old repository:## 444 + 439 439 1. Temporarily disable the new OCI repo. 440 - 2. Enable the old ChartMuseum repo.441 - 3. Open the application → **Upgrade**.442 - 4. Select the chart from the old repo.443 - 5. Save.446 +1. Enable the old ChartMuseum repo. 447 +1. Open the application → **Upgrade**. 448 +1. Select the chart from the old repo. 449 +1. Save. 444 444 445 445 This will reconnect the app to the old repository. 446 446 447 ---- 453 += 454 +Automated deployments with Jenkins = 448 448 449 -## Summary 450 -- Add new OCI repo → disable old repo → upgrade apps → reconnect to OCI repo. 451 -- After upgrade, apps no longer track versions from the old repository. 452 -- Old repository will stop functioning after ChartMuseum shutdown, so migration is required. 453 - 454 ---- 455 - 456 -If you want, I can also generate: 457 -- a shorter version (1-pager), 458 -- a diagram, 459 -- a Rancher UI screenshot guide, 460 -- or a version tailored for your team’s internal wiki. 461 - 462 - 463 -= Automated deployments with Jenkins = 464 - 465 465 In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins. 466 466 467 467 == Prerequisites ==