Phil Estes c18e7f3a04 Change subordinate range-owning user to be a system user ... Change user/group creation to use flags to adduser/useradd to enforce it being a system user. Use system user defaults that auto-create a matching group. These changes allow us to remove all group creation code, and in doing so we also removed the code that finds available uid, gid integers and use post-creation query to gather the system-generated uid and gid. The only added complexity is that today distros don't auto-create subordinate ID ranges for a new ID if it is a system ID, so we now need to handle finding a free range and then calling the `usermod` tool to add the ranges for that ID. Note that this requires the distro supports the `-v` and `-w` flags on `usermod` for subordinate ID range additions. Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)		2016-03-16 18:44:10 -04:00
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idtools.go	Change subordinate range-owning user to be a system user	2016-03-16 18:44:10 -04:00
idtools_unix.go	Correct build-time directory creation with user namespaced daemon	2015-10-20 08:59:48 -04:00
idtools_unix_test.go	pkg: idtools: fix subid files parsing	2016-02-26 15:42:05 +01:00
idtools_windows.go	Correct build-time directory creation with user namespaced daemon	2015-10-20 08:59:48 -04:00
usergroupadd_linux.go	Change subordinate range-owning user to be a system user	2016-03-16 18:44:10 -04:00
usergroupadd_unsupported.go	Correct build-time directory creation with user namespaced daemon	2015-10-20 08:59:48 -04:00