To enable automatic upgrades of your cluster you need to modify your
jx-requirements.yml file in your development git cluster repository:
schedule: "0 0 * * *"
Once you commit and push that change and your boot job has completed you should have a
CronJob running at the above schedule (every night at midnight) creating a Pull Request to upgrade your cluster’s versions of charts and images.
If you set
autoMerge: true then the upgrade Pull Requests will get auto merged if the CI/CD pipelines all succeed; otherwise you need to manually approve the Pull Requests when you are happy for the upgrade to be applied.
For more help on the Cron scheduler syntax check out crontab.guru
The following demo walks through how to manually upgrade your cluster:
- make sure you have upgraded your jx CLI to make sure you are using the correct version for the next steps.
You can upgrade your Jenkins X installation at any time by running the jx gitops upgrade command inside a git checkout of your cluster GitOps repository:
First make sure you have the latest git contents as the boot job will push changes:
Make sure you have no pending git commits….
Now if your git clone is clean run the following:
jx gitops upgrade
- upgrade your local version stream to the latest which has passed the latest tests
- make any changes in the version stream to the boot job and its configuration
After running this command you will usually have some changes in git you can review. If you are happy with the changes commit them and create a Pull Request so that they can get applied on your cluster.
git add *
git commit -a -m "fix: upgrade versions"
The jx-git-operator will trigger a boot job in the
jx-git-operator namespace, to track the progress of the upgrade you can run:
jx admin logs
It is possible that you will have merge conflicts. You can follow the inline git helper messages to resolve conflicts - or use your IDE to help figure out the merge issues. Usually if there are conflicts its safest to use the upstream version; particularly from the
Under the hood Kpt is used to fetch changes from the upstream defined in each Kptfile.
By default the
versionStream directory has a Kpt strategy of
force-delete-replace which removes all your changes in that folder. In order to merge your changes with the ones coming from upstream, add a file:
.jx/gitops/kpt-strategy.yaml with the following content:
- relativePath: versionStream
Once ready, make a pull request onto your cluster repository, review changes and merge. The Jenkins X git operator will automatically apply the upgrades into your cluster.
Replacing your local versionStream
If you are having merge conflicts trying to upgrade your installation you could just replace the
versionStream directory with the latest version stream folder. NOTE this will overwrite any local changes you have made inside the
verisonStream folder. Though everything is versioned in git so you can always review the changes.
Inside your cluster git repository run this command:
kpt pkg update --strategy force-delete-replace versionStream
That will update your
versionStream directory to be in line with the latest version stream. You can always then review the changes before committing them.
Configure merge strategy
You can configure the
kpt strategy used to apply changes from the version stream into your
versionStream folder via a custom configuration file.
Create a file called
.jx/gitops/kpt-strategy.yaml in your dev cluster git repository that looks like this:
- relativePath: versionStream
this will configure that the
alpha-git-patch strategy will be used whenever you try
jx gitops upgrade which should preserve any local changes; though you may have to resolve some git conflicts in your IDE (as described above).
To avoid any possible git merge issues its a good idea to try keep local source changes out of the
versionStream folder if you can.
To prevent manual changes from being overwritten during an upgrade,
version.jenkins-x.io: lock label to a chart in your helmfile.yaml:
- chart: ingress-nginx/ingress-nginx
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