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Changes for page Rancher 2

Last modified by Diana Strebkova on 2026/04/20 09:21
From version 24.4
edited by Diana Strebkova
on 2026/04/20 09:15
Change comment: There is no comment for this version
To version 1.1
edited by DOaaS Operator
on 2025/02/05 11:33
Change comment: Imported from XAR

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156 156  
157 157  = Helm charts =
158 158  
159 -== Add public helm chart ==
159 +== Add public helm charts ==
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" %)
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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 -To add public oci-repository, navigate to repository create button and click it. For target, use OCI Repository like shown below:
181 -
182 -[[image:1765207154466-828.png||height="298" width="821"]]
183 -
176 +(% class="p1" %)
184 184  In the "Repository: Create" dialog, simply fill in the following fields. Authentication is not required.
185 185  
186 186  (% class="wrapped" %)
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192 192  |=(((
193 193  Name
194 194  )))|(((
195 -devopsaas-jenkins-auto-agent
188 +devops-as-a-service
196 196  )))
197 197  |=(((
198 198  Description
... ... @@ -202,19 +202,18 @@
202 202  |=(((
203 203  Index URL
204 204  )))|(((
205 -oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/**<chartname>**, for example:
198 +[[https:~~/~~/registry.sdc.t-systems.net/chartrepo/devopsaas/>>url:https://registry.sdc.t-systems.net/chartrepo/devopsaas/||shape="rect"]]
199 +)))
206 206  
207 -oci:~/~/registry.sdc.t-systems.net/devopsaas-helm/jenkins-auto-agent
201 +[[image:attach:image-2024-2-27_14-29-17.png||data-xwiki-image-style-border="true" queryparams="effects=drop-shadow" width="540"]]
208 208  
209 -{{box}}
210 -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.
211 -{{/box}}
212 -)))
203 +(% class="p1" %)
204 +Finally, click Create.
213 213  
214 -{{info}}
215 -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.**//
216 -{{/info}}
206 +The repository is now listed:
217 217  
208 +[[image:Screenshot 2024-07-03 at 15.13.55.png||data-xwiki-image-style-border="true" height="149" width="785"]]
209 +
218 218  === Deploy Helm charts ===
219 219  
220 220  Now go to Apps>Charts and filter if necessary for the devops-as-a-service Helm chart repository. Like shown below, a list of available charts is displayed. Simply click on one of the tiles to deploy them to your cluster.
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225 225  
226 226  == Add private chart repository ==
227 227  
220 +
228 228  === Create a robot account in Harbor ===
229 229  
230 230  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:
231 231  
232 -* Read Artifact
225 +* Read Helm Chart
233 233  * Pull Repository
234 234  
235 235  (% id="HCreateAppRepositoryinRancher-1" class="p1" %)
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237 237  
238 238  (% class="p1" %)
239 239  In Rancher UI, switch to the intended cluster and go to Apps/Repositories using the left side menu.
240 -
241 241  [[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"]]
242 242  
243 243  (% class="p1" %)
244 244  Create a new Repository by pressing the Create button.
245 245  
246 -(% class="p1" id="HTarget:http28s29URL-1" %)
238 +(% class="p1" %)
247 247  [[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"]]
240 +\\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.
241 +Choose http(s) URL to an index generated by Helm and provide the Index URL ##https:~/~/registry-<domain>.devops.t-systems.net/chartrepo/<project>/##
248 248  
249 -(% id="HTarget:http28s29URL-1" class="p1" %)
250 -==== ====
251 -
252 -{{info}}
253 -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.**//
254 -{{/info}}
255 -
256 256  (% class="p1" %)
257 -Choose OCI repository in Target and for url, use  ##oci:~/~/registry-<domain>.devops.t-systems.net/<project>-helm/<chartname>##
244 +Replace ##<domain>## and ##<project>## as necessary to match your set-up.
258 258  
259 -(% class="box" %)
260 -(((
261 -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.
262 -)))
263 -
264 264  (% class="p1" %)
265 265  For Authentication, select "Create a HTTP Basic Auth Secret" and provide the Username and Password of the Harbor robot account from the previous section.
248 +[[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"]]
266 266  
267 -(% class="wikigeneratedid" %)
268 -[[image:1765208347952-345.36.18.png||height="449" width="849"]]
269 -
270 -(% class="wikigeneratedid" %)
250 +(% class="p1" %)
271 271  Click Create.
272 272  
273 -(% class="wrapped" %)
274 -|=(((
275 -Field
276 -)))|=(((
277 -Value
278 -)))
279 -|=(((
280 -Name
281 -)))|(((
282 -sdcloud-sdportal
283 -)))
284 -|=(((
285 -Description
286 -)))|(((
287 -Sdportal charts of sdcloud project
288 -)))
289 -|=(((
290 -Index URL
291 -)))|(((
292 -oci:~/~/registry.sdc.t-systems.net/sdcloud-helm/sdportal
293 293  
294 -{{info}}
295 -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.
296 -{{/info}}
297 -)))
298 -
299 -== Migrating chart repositories in rancher to new OCI Repository format ==
300 -
301 -(% class="box warningmessage" %)
302 -(((
303 -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)**.
304 -)))
305 -
306 -(% class="box" %)
307 -(((
308 -**All your charts are available in the corresponding  `<pkey>-helm` OCI project.**
309 -)))
310 -
311 -There are two ways to migrate your repositories:
312 -
313 -1. ##Direct Transition (Editing the Existing Repository)##
314 -1*. Change the target to “OCI Repository”.
315 -1*. Update the URL as required (the repository name cannot be changed) and add a new robot account for hel, check documentation above
316 -1*. After saving, installed apps will automatically start using the updated repository.
317 -1*. (% class="box" %)
318 -(((
319 -Important limitation: OCI repositories must point directly to a single chart repository, not to a parent folder.
320 -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”).
321 -The other charts will no longer receive updates through this repo, and you will still need to create additional repositories for each individual chart.
322 -)))
323 -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:
324 -1*. Create a new OCI repository for each chart,
325 -1*. Keep the old ChartMuseum repo enabled during the migration,
326 -1*. Migrate applications gradually following the steps described here.
327 -1*. This avoids disruptions and allows controlled migration.
328 -
329 -1. //Special Case: Old Repo Targeting Multiple Chart Repos//
330 -If your existing repository targets multiple chart repositories and you need the new OCI setup to behave the same way, please **contact support.**
331 -
332 -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
333 -
334 -| Term | Meaning
335 -| **Old Repository** | The existing HTTP/HTTPS Harbor ChartMuseum repository.
336 -| **New Repository** | The new OCI-based Helm chart repository created for your project (e.g. `<chart-repo-name>` in `<pkey>-helm`).
337 -
338 -##__**Why This Migration Is Required:**__##
339 -
340 -* ##ChartMuseum is deprecated and will be removed.##
341 -* ##Applications deployed from old repos keep a reference to that repo inside their labels.##
342 -* ##Without updating the application to point to the new OCI repo, **Rancher will not detect new chart versions from new repository**.##
343 -
344 -## Migration Steps:##
345 -
346 -1. ##Create the New OCI Repository in Rancher##
347 -11. Go to **Apps → Repositories**.
348 -11. Add a new repository of type **OCI**.
349 -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.**__
350 -11. Point it to the new OCI endpoint.
351 -1. ##Disable the Old ChartMuseum Repository Temporarily## 
352 -##This step ensures that Rancher resolves charts from the new OCI repo.##
353 -11. Go to **Apps → Repositories**.
354 -11. Disable the old HTTP(S)-based repository.
355 -11. Keep it disabled until the migration is done.
356 -[[image:1765548124989-482.59.06.png||height="152" width="485"]]
357 -1. ##Update Existing Applications to Use the New OCI Repo##
358 -Applications deployed with the old repository still contain the old repo name in their metadata. You must upgrade them once to transition.
359 -11. Go to **Apps → Installed Apps**.
360 -11. Open the application that was deployed using the old repo.
361 -11. Click **Edit/Upgrade**.
362 -[[image:1765548598644-830.png||height="138" width="811"]]
363 -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:
364 -[[image:1765548750604-334.png||height="293" width="308"]]
365 -11. Choose the chart version you want to deploy (same or newer).
366 -11. Click **Upgrade**.
367 -1. ##Re-enable the Old Repository (Optional) ##
368 -If you still need the old repo for other apps, re-enable it after the migration steps above.
369 -**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
370 -
371 -##If you want to move an app back to the old repository:##
372 -
373 -1. Temporarily disable the new OCI repo.
374 -1. Enable the old ChartMuseum repo.
375 -1. Open the application → **Upgrade**.
376 -1. Select the chart from the old repo.
377 -1. Save.
378 -
379 -This will reconnect the app to the old repository.
380 -
381 381  = Automated deployments with Jenkins =
382 382  
383 383  In this section, we describe(% style="color:#172b4d" %) how to set-up **automated builds, tests and deployments** for Jenkins.
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