chrome os (google gke) support

[icy]

# cat /etc/*release*
CHROMEOS_AUSERVER=https://tools.google.com/service/update2
CHROMEOS_BOARD_APPID={xx}
CHROMEOS_CANARY_APPID={xx}
CHROMEOS_DEVSERVER=
CHROMEOS_RELEASE_APPID={xx}
CHROMEOS_RELEASE_BOARD=lakitu
CHROMEOS_RELEASE_BRANCH_NUMBER=226
CHROMEOS_RELEASE_BUILD_NUMBER=17412
CHROMEOS_RELEASE_BUILD_TYPE=Official Build
CHROMEOS_RELEASE_CHROME_MILESTONE=105
CHROMEOS_RELEASE_DESCRIPTION=17412.226.62 (Official Build) stable-channel lakitu 
CHROMEOS_RELEASE_KEYSET=v10
CHROMEOS_RELEASE_NAME=Chrome OS
CHROMEOS_RELEASE_PATCH_NUMBER=62
CHROMEOS_RELEASE_TRACK=stable-channel
CHROMEOS_RELEASE_VERSION=17412.226.62
DEVICETYPE=OTHER
GOOGLE_RELEASE=17412.226.62
HWID_OVERRIDE=LAKITU DEFAULT
NAME="Container-Optimized OS"
ID=cos
PRETTY_NAME="Container-Optimized OS from Google"
HOME_URL="https://cloud.google.com/container-optimized-os/docs"
BUG_REPORT_URL="https://cloud.google.com/container-optimized-os/docs/resources/support-policy#contact_us"
GOOGLE_CRASH_ID=Lakitu
GOOGLE_METRICS_PRODUCT_ID=26
KERNEL_COMMIT_ID=37c79a2c2008543e2c9a5dc749faa91fb0d806b5
VERSION=105
VERSION_ID=105
BUILD_ID=17412.226.62

[icy]

This image is very limited and I don't think it's possible to do anything without rebuilding the base image:

https://cloud.google.com/container-optimized-os/docs/concepts/disks-and-filesystem