yjd!dZddlmZddlZddlZddlZddlmZmZmZddl m Z ddl m Z m Z dZdd ed d d gZed ZedZe j$dz ZddZddZddZddZddZddZdddZy)z3Backup integrity checks built on top of restic CLI.) annotationsN)datetime timedeltatimezone)Path)AnyIterablez/mnt/backup-hdd/flotta-backupresticz-r snapshotsz--jsonlatest)hoursz.config/restic/passwordcttdz }|jsytjt j }|jD]}|jstj|jjt j }||z }|tkDs`|jdz }d|jd|jd|dd cSy) uH Detect a restic lock left behind by a crashed/killed process. A lock older than LOCK_STALE_THRESHOLD blocks 'forget'/'prune'/'check' silently while 'backup' itself keeps succeeding (each run creates its own snapshot before hitting the lock on the later steps) — so snapshot-age alone doesn't catch this. locksN)tziz stale lock z held since z (z.1fu>h ago) — forget/prune/check are blocked, run 'restic unlock')rRESTIC_REPOSITORYexistsrnowrutciterdiris_file fromtimestampstatst_mtimeLOCK_STALE_THRESHOLD total_secondsname isoformat) locks_dirr lock_filemtimeagers backup_health.py_check_stale_lockr%s&''1I     ,,x|| $C&&(    " &&y~~'7'@'@X\\REk % %%%'$.Einn-\%//:K9LM#;\^   c2g}|D]c}|jstj|tjr9|j |j t |dk(scn|sydj|}t |dk(rdnd}d||dS)zIReturn a human friendly description when snapshot files are not readable.Nz, z...zsnapshot files unreadable (zJ). Adjust repository permissions or run restic with sufficient privileges.)rosaccessR_OKappendrlenjoin)entries unreadableentrysamplesuffixs r$_describe_unreadable_snapshotsr58sJ }}  99UBGG $ %**% z?a     YYz "F*o*UF %fXfX6R Rr&ctt}|dz }|jsy t|j }|S#t $r}d|d|cYd}~Sd}~wwxYw)z;Inspect repository layout to catch permission issues early.r Nzcannot access : )rrrr5rPermissionError) repo_path snapshots_dirr1excs r$_check_repository_permissionsr<Rsk&'I +M    !73M4I4I4KL   7 b667sA A AAAcTdd}||||z}d|jvryy)z2Look for permission-denied hints in restic output.cR|yt|tr|jddS|S)Nr)utf-8ignore)errors) isinstancebytesdecode)fragments r$_as_textz._permission_hint_from_output.._as_textds-   h &??78?< <r&zpermission deniedz9restic reported permission denied when reading snapshots.N)rEstr | bytes | Nonereturnstr)lower)stdoutstderrrFcombineds r$_permission_hint_from_outputrNbs2(6"22Hhnn..J r&cX|Dcgc]}|s| }}|sydj|Scc}w)z,Merge diagnostic hints into a single string.N )r/)messagesmsgpartss r$_combine_hintsrTqs0$ ,SS ,E ,  88E? -s''c tj|}t|tr|j d}n)t|t r|r|dj d}nd}t|tsy tj|jddjtjS#tj$rYywxYw#t$rYywxYw)z=Extract the snapshot timestamp from the restic JSON response.NtimerZz+00:00)jsonloadsJSONDecodeErrorrBdictgetlistrIr fromisoformatreplace astimezonerr ValueError)payloaddata timestamps r$_parse_snapshot_timestampreyszz'" $HHV$ D$ DGKK'  i %%%i&7&7X&FGRRS[S_S_``    s$B64AC6C  C  CCc ptt}d}t}tddD}|stj j d}|r|jd|gntjrltjrX tjdj}|s ddtd d Stj j}||d <n dddtd S tj |dddd|}|j,dk7rOt't)|j.|j0|} dd| xsd|j0jd St3|j.} | 4t't)|j.|j0|} dd| xsdd S|xs#t5j6t8j:} | | z } | t<krdnd} t?}|r| jAd|d S| jA| dS#t$r}ddd td |d cYd}~Sd}~wwxYw#t"$r dddd cYStj$$rI}t't)t+|ddt+|dd|} | r dd| d cYd}~Sdddd cYd}~Sd}~wwxYw)aQ Inspect restic snapshots to ensure backups are recent. Returns: A dictionary with keys: - last_backup_timestamp: ISO string of latest snapshot or None. - status: 'OK' when snapshot younger than threshold, else 'STALE'. - error (optional): textual description when command fails. Nc3@K|]}|tjvywN)r*environ).0keys r$ z&check_backup_status..s!  rzzs)RESTIC_PASSWORDRESTIC_PASSWORD_FILERESTIC_PASSWORD_COMMANDrnz--password-filer?)encodingSTALEzunable to read r7)last_backup_timestampstatuserrorz is emptyrmz:restic credentials missing: set RESTIC_PASSWORD or create TF)capture_outputtextchecktimeoutenvzrestic command not foundrKrLz9restic command timed out (likely waiting for credentials)rzrestic snapshots failed: z)unable to parse restic snapshot timestampOK)rrrs)!r]RESTIC_BASE_COMMANDr<anyr*rir\extendDEFAULT_PASSWORD_FILErr read_textstripOSErrorcopy subprocessrunFileNotFoundErrorTimeoutExpiredrTrNgetattr returncoderKrLrerrrrSTALE_THRESHOLDr%r)rcommandrzrepo_permission_hintpassword_env_present password_filepassword_valuer;resulthint snapshot_time current_timer#rs lock_issues r$check_backup_statusrs&'G C8:Y  '=>  NN-}= >$++-2G2O2O2Q%:%D%Dg%D%V%\%\%^N&15")$9#:)!D jjoo')7%&.2%""7!8:     @A:6==&--XZno%)P89L9L9N8OP  .fmm  "/!8!8!: q15")#23H2IC5!QF  %)/   $ $  (h)EwsT\^bGc d   )-!  &*P   sN$H#3I # I,I;II J5J5,3J0J5%J0*J50J5)rH str | None)r0zIterable[Path]rHr)rKrGrLrGrHr)rQrrHr)rbrIrHdatetime | Nonerh)rrrHzdict[str, Any])__doc__ __future__rrXr*rrrrpathlibrtypingrr rr|rrhomerr%r5r<rNrTrerr&r$rs9" 22 4   "% q)! &??64  0wr&