Changes for page Rancher 2
Last modified by Diana Strebkova on 2025/12/12 14:23
From version 8.1
edited by Diana Strebkova
on 2025/12/08 15:42
on 2025/12/08 15:42
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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
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... ... @@ -159,7 +159,7 @@ 159 159 == Add public helm chart == 160 160 161 161 {{warning width="70" title="Chartmuseum Deprecation"}} 162 -Chartmuseum is deprecated in new Harbor versions, we are migrating all helm charts to oci-compatible repositories in Harbor !New approach to add chart repositories in rancher.162 +Chartmuseum is deprecated in new Harbor versions, we are migrating all helm charts to oci-compatible repositories in Harbor with "PKEY-helm" naming convention. For internal harbor repos, use new approach to add OCI chart repositories in rancher. 163 163 {{/warning}} 164 164 165 165 In this section, we describe (% style="color:#172b4d" %)how to add public helm charts like the one of DevOps-as-a-Service to a cluster to allow manual deployments. ... ... @@ -220,7 +220,7 @@ 220 220 221 221 ==== Target: OCI Repository ==== 222 222 223 -To add public oci-repository, navigate to repository create button and click it. 223 +To add public oci-repository, navigate to repository create button and click it. For target, use OCI Repository like shown below: 224 224 225 225 [[image:1765207154466-828.png||height="298" width="821"]] 226 226 ... ... @@ -245,13 +245,17 @@ 245 245 |=((( 246 246 Index URL 247 247 )))|((( 248 -oci: [[~~/~~/registry.sdc.t-systems.net/chartrepo/devopsaas-helm/>>url:https://registry.sdc.t-systems.net/chartrepo/devopsaas/||shape="rect"]]chartname,for example:248 +oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/**<chartname>**, for example: 249 249 250 -oci:[[~~/~~/registry.sdc.t-systems.net/>>url:https://registry.sdc.t-systems.net/chartrepo/devopsaas/||shape="rect"]][[devopsaas-helm/jenkins-lib>>url:https://registry-manoni.devops.t-systems.net/harbor/projects/139/repositories/jenkins-lib]] 250 +oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-lib 251 + 252 +{{info}} 253 +Take into account, that all internal harbor repositories with helm charts have PKEY-helm naming convention, adding repo with both docker images and helm charts may not be supported in rancher. 254 +{{/info}} 251 251 ))) 252 252 253 253 {{info}} 254 -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. 258 +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 need in adding the whole project with many repositories, please contact support for finding a possible solution.**// 255 255 {{/info}} 256 256 257 257 === Deploy Helm charts === ... ... @@ -264,7 +264,6 @@ 264 264 265 265 == Add private chart repository == 266 266 267 - 268 268 === Create a robot account in Harbor === 269 269 270 270 To add project specific helm charts to Rancher, a Harbor robot account is needed, that is able to read helm charts and pull repositories. If you don't have such an account yet, please follow the instructions given in the [[Create Robot Account section of the Harbor documentation>>doc:Harbor.Harbor 2\.7 Robot Accounts.WebHome||anchor="create_robot_account"]] and make sure to grant at least the following permissions: ... ... @@ -277,6 +277,8 @@ 277 277 278 278 (% class="p1" %) 279 279 In Rancher UI, switch to the intended cluster and go to Apps/Repositories using the left side menu. 283 + 284 + 280 280 [[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"]] 281 281 282 282 (% class="p1" %) ... ... @@ -285,12 +285,11 @@ 285 285 (% id="HTarget:http28s29URL-1" class="p1" %) 286 286 ==== [[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"]] ==== 287 287 288 -(% class="p1" %) 289 -==== 290 -Target: http(s) URL ==== 293 +(% id="HTarget:http28s29URL-1" class="p1" %) 294 +==== Target: http(s) URL ==== 291 291 292 292 {{warning title="Chartmuseum Deprecation"}} 293 -Chartmuseum in Harbor is deprecated, meaning we won't be able to add repositories to Rancher that way anymore. Instead use Target: OCI repository. 297 +Chartmuseum in Harbor is deprecated, meaning we won't be able to add internal harbor repositories to Rancher that way anymore. Instead use Target: OCI repository. 294 294 {{/warning}} 295 295 296 296 (% class="p1" %) ... ... @@ -307,17 +307,20 @@ 307 307 (% class="p1" %) 308 308 Click Create. 309 309 314 +(% id="HTarget:OCIRepository-1" class="p1" %) 310 310 ==== Target: OCI Repository ==== 311 311 312 312 {{info}} 313 -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. 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.**// 314 314 {{/info}} 315 315 316 316 (% class="p1" %) 317 -Choose OCI repository in Target and for url, use ##oci:~/~/registry-<domain>.devops.t-systems.net/<project>-helm/<chatname>## 322 +Choose OCI repository in Target and for url, use ##oci:~/~/registry-<domain>.devops.t-systems.net/<project>-helm/<chartname>## 318 318 319 -(% class="p1" %) 320 -Replace ##<domain>## , ##<project>## and ##<chatname> ##as necessary to match your set-up. 324 +(% class="box" %) 325 +((( 326 +Replace ##<domain>## , ##<project>## and ##<chartname> ##as necessary to match your set-up. Your charts should be stored in ##<project>-helm ##repository in Harbor, which is created by default when project is created in portal. 327 +))) 321 321 322 322 (% class="p1" %) 323 323 For Authentication, select "Create a HTTP Basic Auth Secret" and provide the Username and Password of the Harbor robot account from the previous section. ... ... @@ -328,6 +328,108 @@ 328 328 (% class="wikigeneratedid" %) 329 329 Click Create. 330 330 338 +(% class="wrapped" %) 339 +|=((( 340 +Field 341 +)))|=((( 342 +Value 343 +))) 344 +|=((( 345 +Name 346 +)))|((( 347 +sdcloud-sdportal 348 +))) 349 +|=((( 350 +Description 351 +)))|((( 352 +Sdportal charts of sdcloud project 353 +))) 354 +|=((( 355 +Index URL 356 +)))|((( 357 +oci:~/~/registry.sdc.t-systems.net/sdcloud-helm/sdportal 358 + 359 +{{info}} 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. 361 +{{/info}} 362 +))) 363 + 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.## 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. 410 + 411 +----- 412 + 413 +## Reverting the Migration (If Needed) 414 +If you want to move an app back to the old repository:## 415 + 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. 421 + 422 +This will reconnect the app to the old repository. 423 + 424 +----- 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 + 331 331 = Automated deployments with Jenkins = 332 332 333 333 In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins.