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Write containers.conf tmp_dir and force env var inline on podman call

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Podman's events engine reads tmp_dir from containers.conf, not from
XDG_RUNTIME_DIR directly. Write both storage.conf and containers.conf
to /tmp/podman-<uid> so no path under /run/user/<uid> is ever used.
Also use `env XDG_RUNTIME_DIR=...` prefix on podman invocation to
override any stale value in the calling shell environment.

https://claude.ai/code/session_01FKCW3FDjNFj6jve4niMFXH
This commit is contained in:
Claude 2026-03-22 07:49:00 +00:00
parent 0690e3c48a
commit ea5b6e5594
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1 changed files with 12 additions and 3 deletions
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15
infra/start.sh
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@ -68,20 +68,29 @@ _HIY_RUNTIME="/tmp/podman-$(id -u)"
mkdir -p "$_HIY_RUNTIME" mkdir -p "$_HIY_RUNTIME"
export XDG_RUNTIME_DIR="$_HIY_RUNTIME" export XDG_RUNTIME_DIR="$_HIY_RUNTIME"
# Also write storage.conf so Podman doesn't read a stale RunRoot from the # Write storage.conf and containers.conf so Podman doesn't read stale
# user's existing ~/.config/containers/storage.conf. # RunRoot / tmp_dir values from existing user config files.
mkdir -p "$HOME/.config/containers" mkdir -p "$HOME/.config/containers"
cat > "$HOME/.config/containers/storage.conf" <<STOCONF cat > "$HOME/.config/containers/storage.conf" <<STOCONF
[storage] [storage]
driver = "overlay"
runroot = "$_HIY_RUNTIME/storage" runroot = "$_HIY_RUNTIME/storage"
graphroot = "$HOME/.local/share/containers/storage"
STOCONF STOCONF
cat > "$HOME/.config/containers/containers.conf" <<CCONF
[engine]
tmp_dir = "$_HIY_RUNTIME"
CCONF
PODMAN_SOCK="${_HIY_RUNTIME}/podman.sock" PODMAN_SOCK="${_HIY_RUNTIME}/podman.sock"
export PODMAN_SOCK export PODMAN_SOCK
export DOCKER_HOST="unix://${PODMAN_SOCK}" export DOCKER_HOST="unix://${PODMAN_SOCK}"
if [ ! -S "$PODMAN_SOCK" ]; then if [ ! -S "$PODMAN_SOCK" ]; then
echo "[hiy] Starting Podman socket via podman system service…" echo "[hiy] Starting Podman socket via podman system service…"
podman system service --time=0 "unix://${PODMAN_SOCK}" & # Use env to guarantee XDG_RUNTIME_DIR is correct even if the calling
# shell environment has it set to a non-writable path.
env XDG_RUNTIME_DIR="$_HIY_RUNTIME" \
podman system service --time=0 "unix://${PODMAN_SOCK}" &
# Wait up to 5 s for the socket to appear # Wait up to 5 s for the socket to appear
for i in 1 2 3 4 5; do for i in 1 2 3 4 5; do
[ -S "$PODMAN_SOCK" ] && break [ -S "$PODMAN_SOCK" ] && break