Changes for page Rancher 2
Last modified by Diana Strebkova on 2025/12/12 14:23
From version 10.10
edited by Diana Strebkova
on 2025/12/12 11:55
on 2025/12/12 11:55
Change comment:
There is no comment for this version
To version 12.2
edited by Diana Strebkova
on 2025/12/12 12:25
on 2025/12/12 12:25
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 ... ... @@ -316,7 +316,7 @@ 316 316 ==== Target: OCI Repository ==== 317 317 318 318 {{info}} 319 -Now all internal helm charts are stored in harbor folders with -helm suffix. Adding the whole public project doesn't work natively anymore, so each separate chart should be added as a separate repo.//** If you have a real need to add the whole project, please contact support for finding a possible solution.**//318 +Now all internal helm charts are stored in harbor folders with -helm suffix. Adding the whole public project doesn't work natively anymore, so each separate chart should be added as a separate repo.//** If you have a real need to add the whole project, please contact support for finding a possible solution.**// 320 320 {{/info}} 321 321 322 322 (% class="p1" %) ... ... @@ -336,7 +336,6 @@ 336 336 (% class="wikigeneratedid" %) 337 337 Click Create. 338 338 339 - 340 340 (% class="wrapped" %) 341 341 |=((( 342 342 Field ... ... @@ -346,25 +346,97 @@ 346 346 |=((( 347 347 Name 348 348 )))|((( 349 -d evopsaas-jenkins-auto-agent347 +sdcloud-sdportal 350 350 ))) 351 351 |=((( 352 352 Description 353 353 )))|((( 354 - PublicHelmchartsas documentedat [[https:~~/~~/docs.devops.t-systems.net>>url:https://docs.devops.t-systems.net||shape="rect"]]352 +Sdportal charts of sdcloud project 355 355 ))) 356 356 |=((( 357 357 Index URL 358 358 )))|((( 359 -oci:~/~/registry.sdc.t-systems.net/d evopsaas-helm/**<chartname>**, for example:357 +oci:~/~/registry.sdc.t-systems.net/sdcloud-helm/sdportal 360 360 361 -oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-lib 362 - 363 363 {{info}} 364 - Takeintoaccount,that allinternalharborrepositories with helmchartshavePKEY-helmnamingconvention,addingrepo withbothdockerimages and helmcharts may notbesupportedinrancher.360 +Now we should target a chart repo directly, not the whole project. In you need to reference the whole project with a lot of repos, please contact support to find a possible solution. 365 365 {{/info}} 366 366 ))) 367 367 364 +=== Migrating chart repositories in rancher to new OCI Repository format === 365 + 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 +))) 370 + 371 +To ensure a smooth transition, we recommend to **add an OCI-based repository alongside the existing ChartMuseum repository** during the migration phase. 372 + 373 +(% class="box" %) 374 +((( 375 +**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.** 376 +))) 377 + 378 +| Term | Meaning 379 +| **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository. 380 +| **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`). 381 + 382 +##__**Why This Migration Is Required:**__## 383 + 384 +* ##ChartMuseum is deprecated and will be removed.## 385 +* ##Applications deployed from old repos keep a reference to that repo inside their labels.## 386 +* ##Without updating the application to point to the new OCI repo, **Rancher will not detect new chart versions from new repository**.## 387 + 388 +## Migration Steps:## 389 + 390 +1. ##Create the New OCI Repository in Rancher## 391 +11. Go to **Apps → Repositories**. 392 +11. Add a new repository of type **OCI**. 393 +11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same. 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.## 396 +11. Go to **Apps → Repositories**. 397 +11. Disable the old HTTP(S)-based repository. 398 +11. Keep it disabled until the migration is done. 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.## 401 +11. Go to **Apps → Installed Apps**. 402 +11. Open the application that was deployed using the old repo. 403 +11. Click **Upgrade**. 404 +11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. 405 +11. Choose the chart version you want to deploy (same or newer). 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.##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 + 409 +---- 410 + 411 +## Reverting the Migration (If Needed) 412 +If you want to move an app back to the old repository:## 413 + 414 +1. Temporarily disable the new OCI repo. 415 +1. Enable the old ChartMuseum repo. 416 +1. Open the application → **Upgrade**. 417 +1. Select the chart from the old repo. 418 +1. Save. 419 + 420 +This will reconnect the app to the old repository. 421 + 422 +---- 423 + 424 +## Summary 425 +- Add new OCI repo → disable old repo → upgrade apps → reconnect to OCI repo. 426 +- After upgrade, apps no longer track versions from the old repository. 427 +- Old repository will stop functioning after ChartMuseum shutdown, so migration is required.## 428 + 429 +---- 430 + 431 +If you want, I can also generate: 432 +- a shorter version (1-pager), 433 +- a diagram, 434 +- a Rancher UI screenshot guide, 435 +- or a version tailored for your team’s internal wiki. 436 + 437 + 368 368 = Automated deployments with Jenkins = 369 369 370 370 In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins.