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Herramienta de backup PostgreSQL multiplataforma (Linux + Windows)

Project description

yeboyebo-backup-tools

Herramienta de backup PostgreSQL multiplataforma (Linux + Windows) con montaje remoto, replicacion, test de integridad y alertas por email.

Instalacion

pip install yeboyebo-backup-tools

# Opcional: logging remoto a Grafana Loki
pip install yeboyebo-backup-tools[loki]

Uso rapido

# Backup de todas las BBDD listadas en lista.txt
backup-tools db dump lista.txt
backup-tools -v db dump lista.txt        # con log detallado
backup-tools -vv db dump lista.txt       # con log muy detallado

# Restaurar el backup mas reciente de cada BBDD
backup-tools db restore lista.txt

# Dump + restore en servidor replica
backup-tools db replicate lista.txt

# Test de integridad: restaura cada backup en BBDD temporal y verifica
backup-tools db test lista.txt

# Sincronizar backups a NAS / disco remoto (ultimas 12h)
backup-tools file remote /mnt/nas //192.168.1.200/backups
backup-tools file remote /mnt/nas //192.168.1.200/backups 24   # ultimas 24h

# Informe diario por email: ficheros generados en las ultimas 24h
backup-tools resume

# Monitorizar conectividad (envia email si no responde)
backup-tools alive 192.168.1.1

# Gestion de parametros de configuracion
backup-tools config server_name MI_SERVIDOR
backup-tools config user_db postgres true    # true = ofuscar valor

# Version
backup-tools version

Acciones

Accion Argumentos Descripcion
db dump lista.txt Vuelca cada BBDD, comprime con gzip, verifica tamano minimo
db restore lista.txt Restaura el backup mas reciente de cada BBDD
db replicate lista.txt Dump local + restore en servidor replica (replicate_host_db)
db test lista.txt Restaura en BBDD temporal, comprueba integridad, envia email
file remote dir dispositivo [horas] Copia backups recientes a NAS/CIFS
resume (sin args) Informe diario por email de backups generados
alive host Ping a un host. Si falla, envia alerta por email
config param valor [true] Establece parametro en config.ini. true = ofuscar
version (sin args) Imprime la version

Configuracion

El fichero config.ini se busca en este orden:

  1. Variable de entorno BACKUP_TOOLS_CONFIG
  2. ~/.config/backup_tools/config.ini (XDG, recomendado)
  3. config.ini junto al modulo (legado)

Parametros principales:

Parametro Default Descripcion
days_alive 20 Dias de retencion de backups
local_folder_backups /backups Directorio donde se almacenan los backups
host_db 127.0.0.1 Host PostgreSQL
port_db 5432 Puerto PostgreSQL
user_db Usuario PostgreSQL (ofuscado)
pass_db Contrasena PostgreSQL (ofuscada)
replicate_host_db Host replica (para db replicate)
user_email Cuenta Gmail para envio de alertas
pass_email Contrasena Gmail (ofuscada)
list_mails Destinatarios de alertas (separados por coma)
current_copies 1 Nº de backups recientes en carpeta currents/
min_size 5000 Tamano minimo en bytes (alerta si es menor)
loki_url (monitor.yeboyebo.es) Endpoint Loki para logging remoto

Requisitos

  • Python >= 3.8
  • pg_dump, psql (PostgreSQL client tools)
  • Linux: mount/mount.cifs (solo para file remote)
  • Sin dependencias externas de sistema para tar, ping, find, touch (todo stdlib Python)

Compatibilidad Windows

Desde v1.1. Particularidades:

  • Montaje: net use en vez de mount/mount.cifs
  • nice no disponible (se ignora)
  • ping -n en vez de ping -c
  • Compresion via tarfile (stdlib), no requiere tar externo
  • Programar tareas con Task Scheduler en vez de cron

Ejemplo crontab

# Backup diario 3:17 AM
17 3 * * * cd /opt/backup_tools && backup-tools db dump lista.txt

# Replica a contingencia 5:17 AM
17 5 * * * cd /opt/backup_tools && backup-tools db replicate lista.txt

# Test integridad domingos 7:17 AM
17 7 * * 0 cd /opt/backup_tools && backup-tools db test lista.txt

# Informe diario 8:17 AM
17 8 * * * cd /opt/backup_tools && backup-tools resume

# Ping cada 30 min
*/30 * * * * cd /opt/backup_tools && backup-tools alive 192.168.1.1

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