restore: gate offload on SLOWDISK=true (exact) with --no-slowdisk override

Use the single SLOWDISK env var from .env (already set to "true" on the dedicated-extra-disk
hosts, e.g. us-35). Offload runs only when SLOWDISK is exactly the literal "true" (case
matters) and the --no-slowdisk flag was not passed. --no-slowdisk forces it off even when
SLOWDISK=true (extra disk full). Replaces the prior NO_SLOWDISK inversion.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-06-15 04:50:06 +00:00
parent b9efcfe34d
commit 6c110c08ed

View File

@@ -14,13 +14,12 @@ for _a in "$@"; do
done
set -- "${_pos[@]}"
# Static-file offload gate. NO_SLOWDISK defaults to TRUE (offload OFF). A host with a real
# dedicated extra disk mounted at /slowdisk sets NO_SLOWDISK=false in its .env to ENABLE the
# offload. The --no-slowdisk flag forces it back to true (e.g. the extra disk is full),
# overriding the .env value.
# Static-file offload gate. Hosts with a real dedicated extra disk mounted at /slowdisk set
# SLOWDISK=true in their .env; that (and only the literal "true") enables the offload. The
# --no-slowdisk flag disables it even when SLOWDISK=true (e.g. the extra disk is full).
[ -f "$dir/.env" ] && source "$dir/.env"
NO_SLOWDISK="${NO_SLOWDISK:-true}"
[ "$no_slowdisk_flag" = 1 ] && NO_SLOWDISK=true
SLOWDISK="${SLOWDISK:-}"
[ "$no_slowdisk_flag" = 1 ] && SLOWDISK=false
remote_source="$2"
if [[ -n "$remote_source" ]] && is_local_backup_url "$remote_source"; then
@@ -44,16 +43,13 @@ fi
# hot/dynamic state stays on the primary disk. tar then extracts THROUGH the symlinks via
# --keep-directory-symlink (it keeps the dir-symlinks instead of clobbering them).
# Target naming matches delete-volumes.sh / delete_slowdisk_targets_for_key cleanup.
# GATED on NO_SLOWDISK (see top): offload runs only when NO_SLOWDISK=false (host has a real
# dedicated extra disk; set in .env) and the --no-slowdisk flag was not passed. Safe fallbacks
# (just extract normally): NO_SLOWDISK true, /slowdisk missing, no manifest, or no static paths.
# (/slowdisk is the fixed in-container mount, so the target path is fixed.)
# GATED on SLOWDISK (see top): offload runs only when SLOWDISK is exactly "true" (set in the
# host .env on dedicated-extra-disk hosts) and the --no-slowdisk flag was not passed. Case
# matters — only the literal lowercase "true" enables it. Safe fallbacks (normal extract):
# SLOWDISK not "true", /slowdisk missing, no manifest, or no static paths.
prep_static_offload() {
local key=$1 meta=$2 data_dir=$3 rel target
case "${NO_SLOWDISK,,}" in
false|0|no|off) ;; # offload enabled
*) echo " static offload disabled (NO_SLOWDISK=$NO_SLOWDISK) — normal extract"; return 0 ;;
esac
[ "$SLOWDISK" = "true" ] || { echo " static offload disabled (SLOWDISK=$SLOWDISK) — normal extract"; return 0; }
[ -d /slowdisk ] || { echo " /slowdisk absent — no static offload"; return 0; }
[ -f "$meta" ] || { echo " no manifest ($meta) — no static offload"; return 0; }
# manifest data lines (after the 3-line header) are "<size> <relpath>"