Hello
I'm new to packer, I've got the following packer script. I would like to
create a docker ubuntu image with a non root user (ubuntu lets say).
Further I would like add this user into the sudoers group.
I'm trying to adduser using shell provisioner but the build is failing with
an error (note: I tried all flags possible but it's still giving me an
error).
How can I achieve this with Packer/Docker?
==> docker: Usage: useradd [options] LOGIN
==> docker: useradd -D
==> docker: useradd -D [options]
==> docker:
==> docker: Options:
==> docker: -b, --base-dir BASE_DIR base directory for the home
directory of the
==> docker: new account
==> docker: -c, --comment COMMENT GECOS field of the new account
==> docker: -d, --home-dir HOME_DIR home directory of the new
account
==> docker: -D, --defaults print or change default useradd
configuration
==> docker: -e, --expiredate EXPIRE_DATE expiration date of the new
account
==> docker: -f, --inactive INACTIVE password inactivity period of
the new account
==> docker: -g, --gid GROUP name or ID of the primary group
of the new
==> docker: account
==> docker: -G, --groups GROUPS list of supplementary groups of
the new
==> docker: account
==> docker: -h, --help display this help message and
exit
==> docker: -k, --skel SKEL_DIR use this alternative skeleton
directory
==> docker: -K, --key KEY=VALUE override /etc/login.defs
defaults
==> docker: -l, --no-log-init do not add the user to the
lastlog and
==> docker: faillog databases
==> docker: -m, --create-home create the user's home directory
==> docker: -M, --no-create-home do not create the user's home
directory
==> docker: -N, --no-user-group do not create a group with the
same name as
==> docker: the user
==> docker: -o, --non-unique allow to create users with
duplicate
==> docker: (non-unique) UID
==> docker: -p, --password PASSWORD encrypted password of the new
account
==> docker: -r, --system create a system account
==> docker: -R, --root CHROOT_DIR directory to chroot into
==> docker: -s, --shell SHELL login shell of the new account
==> docker: -u, --uid UID user ID of the new account
==> docker: -U, --user-group create a group with the same
name as the user
==> docker: -Z, --selinux-user SEUSER use a specific SEUSER for the
SELinux user mapping
==> docker: --extrausers Use the extra users database
==> docker:
==> docker: Killing the container:
2dc2bd524c302eaadb1f5e12ea72a19023ae6c02250138440f5191cf2f76dc43
Build 'docker' errored: Script exited with non-zero exit status: 2.Allowed
exit codes are: [0]
Here's my simple json. file.
{
"variables": {
"repository": "ubuntu",
"tag": "1.0",
"root_password": null
},
"builders": [{
"type": "docker",
"author": "",
"image": "ubuntu:latest",
"commit": true,
"changes": [
"USER ubuntu"
]
}],
"provisioners": [
{
"type": "shell",
"inline": [
"apt-get update -y && apt-get install -y sudo",
"sudo apt-get dist-upgrade -y && sudo apt-get autoremove -y && sudo
apt clean -y && sudo apt-get install -y sudo bash-completion curl net-tools
iputils-ping git python iptables",
"sleep 15",
"sudo groupadd -r ubuntu -g 901",
"sudo useradd -D -u 901 -r -g ubuntu",
"cd /tmp"
]
}],
"post-processors": [
{
"type": "docker-tag",
"repository": "{{user `repository`}}",
"tag": "{{user `tag`}}"
},
{
"type": "shell-local",
"inline": ["echo foo"]
}
]
}
Thanks
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