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Add progress logging to Atlas Borg backups

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This commit is contained in:
Fabio Scotto di Santolo
2026-09-22 21:21:21 +02:00
parent 48a7f57f7e
commit 0a5c2ac1a4
5 changed files with 78 additions and 7 deletions
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20
ansible/roles/profile_atlas/templates/atlas-borg-backup.sh.j2
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@@ -1,7 +1,7 @@
#!/usr/bin/env bash
set -Eeuo pipefail
export LC_ALL=C
export LC_ALL=C.utf8
export PATH=/usr/sbin:/usr/bin:/sbin:/bin
export BORG_CACHE_DIR={{ atlas_borg_cache_dir | quote }}
export BORG_CONFIG_DIR={{ atlas_borg_config_dir | quote }}
@@ -21,6 +21,7 @@ readonly borg_user={{ atlas_borg_username | quote }}
readonly borg_group={{ atlas_borg_group | quote }}
readonly borg_home={{ atlas_borg_home | quote }}
readonly borg_lock={{ atlas_borg_lock_path | quote }}
readonly progress_filter=/usr/local/libexec/atlas-borg-progress
snapshot_name=""
snapshot_created=false
@@ -124,24 +125,31 @@ archive="${archive_prefix}-${timestamp}"
readonly archive
borg_status=0
printf 'Starting Borg archive %s from snapshot %s@%s\n' "$archive" "$pool" "$snapshot_name"
set +e
(
cd /run/atlas-borg
run_as_borg borg --remote-path "$remote_path" --lock-wait 600 create \
run_as_borg borg --remote-path "$remote_path" --lock-wait 600 --log-json --progress create \
--show-rc \
--stats \
--checkpoint-interval 900 \
--compression "$compression" \
"${repository}::${archive}" \
source
)
create_status=$?
source 2>&1
) | /usr/bin/python3 -u "$progress_filter"
create_pipeline_status=("${PIPESTATUS[@]}")
set -e
create_status=${create_pipeline_status[0]}
if ((create_pipeline_status[1] != 0)); then
printf 'Borg progress logging failed with status %s\n' "${create_pipeline_status[1]}" >&2
exit 2
fi
if ((create_status >= 2)); then
exit "$create_status"
fi
borg_status=$create_status
printf 'Borg archive %s created; applying retention\n' "$archive"
set +e
run_as_borg borg --remote-path "$remote_path" --lock-wait 600 prune \
--show-rc \
@@ -160,6 +168,7 @@ if ((prune_status > borg_status)); then
borg_status=$prune_status
fi
printf 'Borg retention complete; compacting repository\n'
set +e
run_as_borg borg --remote-path "$remote_path" --lock-wait 600 compact \
--show-rc \
@@ -173,4 +182,5 @@ if ((compact_status > borg_status)); then
borg_status=$compact_status
fi
printf 'Borg backup %s completed with status %s\n' "$archive" "$borg_status"
exit "$borg_status"