lxc-debian: allow using a custom keyring

This makes it possible to create containers for unofficial
architectures such as the ones on ports.debian.org, by specifying a
custom mirror and its associated keyring.

Signed-off-by: Antonio Terceiro <terceiro@debian.org>
This commit is contained in:
Antonio Terceiro 2022-04-10 06:20:00 -03:00
parent 8974b96a78
commit eebcd76feb

View File

@ -42,6 +42,8 @@ LOCALSTATEDIR="@LOCALSTATEDIR@"
LXC_TEMPLATE_CONFIG="@LXCTEMPLATECONFIG@"
# Allows the lxc-cache directory to be set by environment variable
LXC_CACHE_PATH=${LXC_CACHE_PATH:-"$LOCALSTATEDIR/cache/lxc"}
DEBIAN_ARCHIVE_KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
KEYRING=${KEYRING:-${DEBIAN_ARCHIVE_KEYRING}}
DOWNLOAD_KEYRING=${DOWNLOAD_KEYRING:-1}
find_interpreter()
@ -387,13 +389,13 @@ apt-transport-https
mkdir -p "$cache"
# If debian-archive-keyring isn't installed, fetch GPG keys directly
releasekeyring=/usr/share/keyrings/debian-archive-keyring.gpg
releasekeyring=${KEYRING}
lreleasekeyring=/etc/apt/trusted.gpg.d/debian-archive-$release-stable.gpg
if [ -f "$releasekeyring" ]; then
apt_gpg_opt="--keyring=${releasekeyring}"
elif [ -f "$lreleasekeyring" ]; then
apt_gpg_opt="--keyring=${lreleasekeyring}"
elif [ "$DOWNLOAD_KEYRING" = 1 ]; then
elif [ ${releasekeyring}" = "${DEBIAN_ARCHIVE_KEYRING} -a "$DOWNLOAD_KEYRING" = 1 ]; then
[ ! -d "/etc/apt/trusted.gpg.d" ] && lreleasekeyring="$cache/archive-key.gpg"
if [[ "$(id -u)" == "0" ]]; then
case $release in
@ -660,6 +662,7 @@ Template specific options can be passed to lxc-create after a '--' like this:
Usage: $1 -h|--help -p|--path=<path> [-c|--clean] [-a|--arch=<arch>] [-r|--release=<release>]
[--mirror=<mirror>] [--security-mirror=<security mirror>]
[--keyring=<keyring>]
[--package=<package_name1,package_name2,...>]
[-I|--interpreter-path=<interpreter path>]
[-F | --flush-cache] [-S|--auth-key=<keyfile>]
@ -675,6 +678,8 @@ Options :
Defaults to current stable.
--mirror=MIRROR Debian mirror to use during installation. Overrides the MIRROR
environment variable (see below).
--keyring=KEYRING GPG keyring to authenticate the repository against.
Overrides the KEYRING environment variable (see below).
--security-mirror=SECURITY_MIRROR
Debian mirror to use for security updates. Overrides the
SECURITY_MIRROR environment variable (see below).
@ -692,6 +697,7 @@ Environment variables:
Defaults to '$MIRROR'
SECURITY_MIRROR The Debian package security mirror to use. See also the --security-mirror switch above.
Defaults to '$SECURITY_MIRROR'
KEYRING Defaults to '$DEBIAN_ARCHIVE_KEYRING'
DOWNLOAD_KEYRING Sets whether to download keyring when missing or ignore keyring checks
Defaults to 1
@ -699,7 +705,7 @@ EOF
return 0
}
options=$(getopt -o hp:n:a:r:cI:FS: -l arch:,auth-key:,clean,help,enable-non-free,mirror:,name:,packages:,path:,release:,rootfs:,security-mirror:,interpreter-path:,flush-cache -- "$@")
options=$(getopt -o hp:n:a:r:cI:FS: -l arch:,auth-key:,clean,help,enable-non-free,mirror:keyring:,name:,packages:,path:,release:,rootfs:,security-mirror:,interpreter-path:,flush-cache -- "$@")
if [ $? -ne 0 ]; then
usage "$(basename "$0")"
exit 1
@ -743,6 +749,7 @@ do
-c|--clean) clean=1; shift 1;;
--enable-non-free) mainonly=0; shift 1;;
--mirror) MIRROR=$2; shift 2;;
--keyring) KEYRING=$2; shift 2;;
-n|--name) name=$2; shift 2;;
--packages) packages=$2; shift 2;;
-p|--path) path=$2; shift 2;;