LibrePortal/scripts/backup/engine/restic_forget.sh
librelad 0b27ed1072 refactor(desudo): funnel backup-engine privilege drop through runBackupOp
The borg/restic/kopia engines all dropped to the dedicated backup user
via scattered 'sudo -E -u $docker_install_user'. Centralize that into a
single runBackupOp helper so the backup subsystem has one audit point and
the scoped sudoers needs only the (dockerinstall) drop rule.

Also:
- owncloud config heredoc tees -> runSystem (container-UID file)
- webui_display_logins: fix the broken 'command -v sudo sqlite3' guard
  to 'command -v sqlite3' (body already runs sqlite3 via runInstallOp)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
2026-05-24 18:01:51 +01:00

64 lines
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#!/bin/bash
resticForgetApp()
{
local idx="$1"
local app_name="$2"
if resticLocationAppendOnly "$idx"; then
isNotice "$(resticLocationName "$idx") is append-only — skipping forget for $app_name"
return 0
fi
local keep_last keep_daily keep_weekly keep_monthly keep_yearly
keep_last=$(resticRetentionFor "$idx" KEEP_LAST)
keep_daily=$(resticRetentionFor "$idx" KEEP_DAILY)
keep_weekly=$(resticRetentionFor "$idx" KEEP_WEEKLY)
keep_monthly=$(resticRetentionFor "$idx" KEEP_MONTHLY)
keep_yearly=$(resticRetentionFor "$idx" KEEP_YEARLY)
resticEnvExport "$idx" || return 1
local args=(forget --tag "app=$app_name" --group-by tags,host)
[[ -n "$keep_last" ]] && args+=(--keep-last "$keep_last")
[[ -n "$keep_daily" ]] && args+=(--keep-daily "$keep_daily")
[[ -n "$keep_weekly" ]] && args+=(--keep-weekly "$keep_weekly")
[[ -n "$keep_monthly" ]] && args+=(--keep-monthly "$keep_monthly")
[[ -n "$keep_yearly" ]] && args+=(--keep-yearly "$keep_yearly")
[[ "$CFG_BACKUP_PRUNE_AFTER_FORGET" == "true" ]] && args+=(--prune)
isNotice "Applying retention for $app_name on $(resticLocationName "$idx")"
runBackupOp restic "${args[@]}"
local rc=$?
resticEnvUnset
return $rc
}
resticRetentionFor()
{
local idx="$1"
local field="$2"
if [[ "$(resticLocationField "$idx" CUSTOM_RETENTION)" == "true" ]]; then
local override
override=$(resticLocationField "$idx" "$field")
if [[ -n "$override" ]]; then
echo "$override"
return
fi
fi
local global_var="CFG_BACKUP_${field}"
echo "${!global_var}"
}
resticForgetAppAllLocations()
{
local app_name="$1"
local idx
while IFS= read -r idx; do
[[ -z "$idx" ]] && continue
resticForgetApp "$idx" "$app_name"
done < <(resticEnabledLocations)
}