Description The Directory Update Module installs a user defined file tree structure (files and subfolders) into a given destination directory on the device. Before deploying to the destination folder on the device, the Update Module will take a backup copy of the current contents. This allows to re…

Hi @kacf , Please let me know the usage example for directory-artifact-gen? I have tried few but failed to create the signed artifact for docker… Unable to understand where to specify the {DOCKER_IMAGES} and what is --dest-dir , directory options for it? ~/new-workspace/mender/docker-updatemodule/…

You cannot use the directory-artifact-gen for generating docker artifacts. For that you need to use the docker-artifact-gen from 2.0.x .

Great tutorial. Just wondering how do we handle updating a directory with executables running? does mender provide a handler to stop the execution before going ahead with the update? Thanks.

Nothing specific since it’s going to be very dependent on the system design. The existing update module could be easily updated to handle that for your specifics though.

Is there a way to force a device restart after the artifact gets installed?

Fork and make your own version of the directory Update Module, and implement the ArtifactReboot state, where you should print Automatic and exit 0. This will reboot every time the Update Module installs anything. You can also add more advanced logic and consider printing No in some cases, if you wa…

@drewmoseley thanks for that. Is it possible to update multiple folders at different locations in the target device? Thanks.

Not with this update module. You can do that with a custom module.

Are you looking for something like this ?

Hi, I was wondering if there is any way to update the directory without deleting unwanted items. For instance I am updating a directory that contains all the executables along with the user data. I want to update the exes but I dont want any user data to be removed. I created a mender artifact with …

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