2.3 KiB
2.3 KiB
dockcheck
A script to checking updates for docker images without the need of pulling then having the option to auto-update through docker compose.
With the help of regctl.
This is just a concept for fun and inspiration, use with care.
Dependencies:
Running docker (duh) and compose, either standalone or plugin.
regctl by regclient
The script will ask to download regctl if it's not in PATH or current directory.
dockcheck.sh
$ ./dockcheck.sh -h
Syntax: dockcheck.sh [OPTION] [optional string to filter names]
Options:
-h Print this Help.
-a Automatic updates, without interaction.
-n No updates, only checking availability.
A script to check for updates on all currently running containers without pulling images, list them and give the option to update.
Basic example:
$ ./dockcheck.sh
. . .
Containers with updates available:
whoogle-search
Containers on latest version:
glances
homer
Do you want to update? y/[n]
y
Then it proceedes to run pull and up -d on every container with updates.
And with -n No updates and gl for *gl* filtering:
$ ./dockcheck.sh -n gl
. . .
Containers with updates available:
whoogle-search
Containers on latest version:
glances
No updates installed, exiting
Example-video:
🪲 Squashed Bugs:
No options for running without updates or auto update.No filter to check only specific containers.Faulty registry checkups stopped the updates completely.No clear checks to skip containers producing errors.Multi-digest images didn't correctly check with registry, giving false positives on updates.
🔨 Known issues
- No granular choice of what to update (except initial name filter).
- No detailed error feedback (just skip + list what's skipped) .
dupc_function.sh
Function to quickly check for updates on a single contianer or list of containers by name. Without the need of pulling.
Preferably placed in .bashrc or similar.
Example:
$ dupc ng
Updates available for local_nginx.
nginx_reverse is already latest.
Updates available for paperless-ng.