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Changes for page Rancher 2

Last modified by Diana Strebkova on 2026/04/20 09:21
From version 12.12
edited by Diana Strebkova
on 2025/12/12 13:16
Change comment: There is no comment for this version
To version 27.1
edited by Diana Strebkova
on 2026/04/20 09:20
Change comment: There is no comment for this version

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... ... @@ -158,10 +158,6 @@
158 158  
159 159  == Add public helm chart ==
160 160  
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 with "PKEY-helm" naming convention. For internal harbor repos, use new approach to add OCI chart repositories in rancher.
163 -{{/warning}}
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.
166 166  
167 167  (% id="HCreateAppRepositoryinRancher" class="p1" %)
... ... @@ -177,49 +177,6 @@
177 177  (% class="p1" %)
178 178  [[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"]]
179 179  
180 -(% id="H" class="p1" %)
181 -==== Target: http(s) URL ====
182 -
183 -{{warning}}
184 -This example is being deprecated, you can still add other external repositories in that way, but all internal harbor-hosted repositories should be added as Target: OCI Repository
185 -{{/warning}}
186 -
187 -(% class="p1" %)
188 -In the "Repository: Create" dialog, simply fill in the following fields. Authentication is not required.
189 -
190 -(% class="wrapped" %)
191 -|=(((
192 -Field
193 -)))|=(((
194 -Value
195 -)))
196 -|=(((
197 -Name
198 -)))|(((
199 -devops-as-a-service
200 -)))
201 -|=(((
202 -Description
203 -)))|(((
204 -Public Helm charts as documented at [[https:~~/~~/docs.devops.t-systems.net>>url:https://docs.devops.t-systems.net||shape="rect"]]
205 -)))
206 -|=(((
207 -Index URL
208 -)))|(((
209 -[[https:~~/~~/registry.sdc.t-systems.net/chartrepo/devopsaas/>>url:https://registry.sdc.t-systems.net/chartrepo/devopsaas/||shape="rect"]]
210 -)))
211 -
212 -[[image:attach:image-2024-2-27_14-29-17.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" width="540"]]
213 -
214 -(% class="p1" %)
215 -Finally, click Create.
216 -
217 -The repository is now listed:
218 -
219 -[[image:Screenshot 2024-07-03 at 15.13.55.png||data-xwiki-image-style-border="true" height="149" width="785"]]
220 -
221 -==== Target: OCI Repository ====
222 -
223 223  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"]]
... ... @@ -247,11 +247,11 @@
247 247  )))|(((
248 248  oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/**<chartname>**, for example:
249 249  
250 -oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-lib
203 +oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-auto-agent
251 251  
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}}
205 +{{box}}
206 +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 is not supported in rancher.
207 +{{/box}}
255 255  )))
256 256  
257 257  {{info}}
... ... @@ -272,7 +272,7 @@
272 272  
273 273  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:
274 274  
275 -* Read Helm Chart
228 +* Read Artifact
276 276  * Pull Repository
277 277  
278 278  (% id="HCreateAppRepositoryinRancher-1" class="p1" %)
... ... @@ -281,39 +281,17 @@
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 -
285 285  [[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"]]
286 286  
287 287  (% class="p1" %)
288 288  Create a new Repository by pressing the Create button.
289 289  
290 -(% id="HTarget:http28s29URL-1" class="p1" %)
291 -==== [[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"]] ====
242 +(% class="p1" id="HTarget:http28s29URL-1" %)
243 +[[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"]]
292 292  
293 293  (% id="HTarget:http28s29URL-1" class="p1" %)
294 -==== Target: http(s) URL ====
246 +==== ====
295 295  
296 -{{warning title="Chartmuseum Deprecation"}}
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.
298 -{{/warning}}
299 -
300 -(% class="p1" %)
301 -A name for the Repository has to be set. In the screenshot, the project name CITEST is used, which corresponds to our example from above.
302 -Choose http(s) URL to an index generated by Helm and provide the Index URL ##https:~/~/registry-<domain>.devops.t-systems.net/chartrepo/<project>/##
303 -
304 -(% class="p1" %)
305 -Replace ##<domain>## and ##<project>## as necessary to match your set-up.
306 -
307 -(% class="p1" %)
308 -For Authentication, select "Create a HTTP Basic Auth Secret" and provide the Username and Password of the Harbor robot account from the previous section.
309 -[[image:attach:Screenshot 2023-04-26 at 18.10.15.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" height="468" width="1100"]]
310 -
311 -(% class="p1" %)
312 -Click Create.
313 -
314 -(% id="HTarget:OCIRepository-1" class="p1" %)
315 -==== Target: OCI Repository ====
316 -
317 317  {{info}}
318 318  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.**//
319 319  {{/info}}
... ... @@ -361,24 +361,38 @@
361 361  {{/info}}
362 362  )))
363 363  
364 -=== Migrating chart repositories in rancher to new OCI Repository format ===
295 +== Migrating chart repositories in rancher to new OCI Repository format ==
365 365  
366 366  (% class="box warningmessage" %)
367 367  (((
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)**.
299 +ChartMuseum is deprecated. **All harbor charts are removed from ChartMuseum**, and **old HTTP(S)-based chart repositories no longer work in Rancher (for internal harbor charts)**.
369 369  )))
370 370  
371 -There are 2 ways to "migrate" the repos:
302 +(% class="box" %)
303 +(((
304 +**All your charts are available in the corresponding  `<pkey>-helm` OCI project.**
305 +)))
372 372  
373 -1. You can do direct transition and edit already existing repository – choose //Target: OCI repository, //adapt the url as shown above (__repo name can't be changed__), then the installed apps will pick app the repo change automatically. The issue is that the OCI repository needs to target chart repos in the url, not the whole folder anymore.  That means if you previously deployed previously different apps using the old repo, for example "bitbucket" and "jira", now you can only target one repo, for example "bitbucket", you will still need to create a new repo targeting "jira".
374 -1. Or you can add new repositories one by
307 +There are two ways to migrate your repositories:
375 375  
376 -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
377 -
378 -(% class="box" %)
309 +1. ##Direct Transition (Editing the Existing Repository)##
310 +1*. Change the target to “OCI Repository”.
311 +1*. Update the URL as required (the repository name cannot be changed) and add a new robot account for helm project, check documentation above
312 +1*. After saving, installed apps will automatically start using the updated repository.
313 +1*. (% class="box" %)
379 379  (((
380 -**We will make your charts available in the corresponding new `<pkey>-helm` OCI projects.**
315 +Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder.
316 +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”).
317 +The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart.
381 381  )))
319 +1. Add New Repositories One by One (Recommended), preserve the old one till the end. This approach allows a smooth transition while the old ChartMuseum repository continues to function. You can:
320 +1*. Create a new OCI repository for each chart,
321 +1*. Keep the old ChartMuseum repo enabled during the migration,
322 +1*. Migrate applications gradually following the steps described here.
323 +1*. This avoids disruptions and allows controlled migration.
324 +
325 +1. //Special Case: Old Repo Targeting Multiple Chart Repos//
326 +If your existing repository targets multiple chart repositories and you need the new OCI setup to behave the same way, please **contact support.**
382 382  
383 383  | Term | Meaning
384 384  | **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
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386 386  
387 387  ##__**Why This Migration Is Required:**__##
388 388  
389 -* ##ChartMuseum is deprecated and will be removed.##
334 +* ##ChartMuseum is deprecated.##
390 390  * ##Applications deployed from old repos keep a reference to that repo inside their labels.##
391 391  * ##Without updating the application to point to the new OCI repo, **Rancher will not detect new chart versions from new repository**.##
392 392  
... ... @@ -395,7 +395,7 @@
395 395  1. ##Create the New OCI Repository in Rancher##
396 396  11. Go to **Apps → Repositories**.
397 397  11. Add a new repository of type **OCI**.
398 -11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). You can't name it the same.
343 +11. Name it similarly to your old repo name (e.g. `<chart-repo-name>-oci`). __**You can't name it the same and can't rename it later.**__
399 399  11. Point it to the new OCI endpoint.
400 400  1. ##Disable the Old ChartMuseum Repository Temporarily## 
401 401  ##This step ensures that Rancher resolves charts from the new OCI repo.##
... ... @@ -402,12 +402,15 @@
402 402  11. Go to **Apps → Repositories**.
403 403  11. Disable the old HTTP(S)-based repository.
404 404  11. Keep it disabled until the migration is done.
350 +[[image:1765548124989-482.59.06.png||height="152" width="485"]]
405 405  1. ##Update Existing Applications to Use the New OCI Repo##
406 406  Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
407 407  11. Go to **Apps → Installed Apps**.
408 408  11. Open the application that was deployed using the old repo.
409 -11. Click **Upgrade**.
410 -11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**.
355 +11. Click **Edit/Upgrade**.
356 +[[image:1765548598644-830.png||height="138" width="811"]]
357 +11. In the list of available chart repositories (scroll to the bottom), select the **new OCI repository**. Or enter the chart name in search bar:
358 +[[image:1765548750604-334.png||height="293" width="308"]]
411 411  11. Choose the chart version you want to deploy (same or newer).
412 412  11. Click **Upgrade**.
413 413  1. ##Re-enable the Old Repository (Optional) ##
... ... @@ -414,11 +414,8 @@
414 414  If you still need the old repo for other apps, re-enable it after the migration steps above.
415 415  **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
416 416  
417 -----
365 +##If you want to move an app back to the old repository:##
418 418  
419 -## Reverting the Migration (If Needed)
420 -If you want to move an app back to the old repository:##
421 -
422 422  1. Temporarily disable the new OCI repo.
423 423  1. Enable the old ChartMuseum repo.
424 424  1. Open the application → **Upgrade**.
... ... @@ -427,8 +427,7 @@
427 427  
428 428  This will reconnect the app to the old repository.
429 429  
430 -=
431 -Automated deployments with Jenkins =
375 += Automated deployments with Jenkins =
432 432  
433 433  In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins.
434 434  
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