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Conditionally add volume flags for building with Podman

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Use $DOCKER_INFO to check for podman vs dockerd, and conditionally
`exec` and `dev` volume options, which are needed on podman but not
allowed on dockerd.
This commit is contained in:
Jesse R Codling
2025-11-14 21:59:07 -05:00
committed by Igor
parent 3aea2de999
commit 3fb2606d00
1 changed files with 10 additions and 2 deletions
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12
lib/functions/host/docker.sh
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@@ -497,13 +497,21 @@ function docker_cli_prepare_launch() {
# shellcheck disable=SC2154 # $docker_kind: the kind of volume to mount on this OS; see mountpoints.sh
#display_alert "Handling Docker mountpoint" "${MOUNT_DIR} id: ${volume_id} - docker_kind: ${docker_kind}" "debug"
if grep -q io.containerd <<< "$DOCKER_INFO"; then
#dockerd engine has at least one io.containerd.* runtime available
DOCKER_IS_PODMAN=""
else
DOCKER_IS_PODMAN="yes"
#assume podman is emulating docker cli to add needed volume flags
fi
case "${docker_kind}" in
anonymous)
display_alert "Mounting" "anonymous volume for '${MOUNT_DIR}'" "debug"
# type=volume, without source=, is an anonymous volume -- will be auto cleaned up together with the container;
# this could also be a type=tmpfs if you had enough ram - but armbian already does tmpfs for you if you
# have enough RAM (inside the container) so don't bother.
DOCKER_ARGS+=("--mount" "type=volume,destination=${DOCKER_ARMBIAN_TARGET_PATH}/${MOUNT_DIR},dev,exec")
DOCKER_ARGS+=("--mount" "type=volume,destination=${DOCKER_ARMBIAN_TARGET_PATH}/${MOUNT_DIR}${DOCKER_IS_PODMAN:+,exec,dev}")
;;
bind)
display_alert "Mounting" "bind mount for '${MOUNT_DIR}'" "debug"
@@ -512,7 +520,7 @@ function docker_cli_prepare_launch() {
;;
namedvolume)
display_alert "Mounting" "named volume id '${volume_id}' for '${MOUNT_DIR}'" "debug"
DOCKER_ARGS+=("--mount" "type=volume,source=armbian-${volume_id},destination=${DOCKER_ARMBIAN_TARGET_PATH}/${MOUNT_DIR},dev,exec")
DOCKER_ARGS+=("--mount" "type=volume,source=armbian-${volume_id},destination=${DOCKER_ARMBIAN_TARGET_PATH}/${MOUNT_DIR}${DOCKER_IS_PODMAN:+,exec,dev}")
;;
*)
display_alert "Unknown Mountpoint Type" "unknown volume type '${docker_kind}' for '${MOUNT_DIR}'" "err"