feat: add Django backend foundation and Docker runtime

Add a Django admin-backed management layer for pobsync configs, runs,
snapshots, and schedules. Keep the existing CLI engine as the execution
source of truth, add import/run management commands, and provide SQLite
default plus optional MariaDB Docker Compose support.
This commit is contained in:
2026-05-19 04:48:13 +02:00
parent 27acd790bd
commit 1a51c3e448
23 changed files with 722 additions and 3 deletions

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from __future__ import annotations
from django.contrib import admin
from .models import BackupRun, GlobalConfig, HostConfig, ScheduleConfig, SnapshotRecord
@admin.register(GlobalConfig)
class GlobalConfigAdmin(admin.ModelAdmin):
list_display = ("name", "backup_root", "updated_at")
readonly_fields = ("created_at", "updated_at")
@admin.register(HostConfig)
class HostConfigAdmin(admin.ModelAdmin):
list_display = ("host", "address", "enabled", "updated_at")
list_filter = ("enabled",)
search_fields = ("host", "address")
readonly_fields = ("created_at", "updated_at")
@admin.register(BackupRun)
class BackupRunAdmin(admin.ModelAdmin):
list_display = ("host", "run_type", "status", "started_at", "ended_at", "snapshot_path")
list_filter = ("run_type", "status", "started_at")
search_fields = ("host__host", "snapshot_path")
@admin.register(SnapshotRecord)
class SnapshotRecordAdmin(admin.ModelAdmin):
list_display = ("host", "kind", "dirname", "status", "started_at")
list_filter = ("kind", "status", "started_at")
search_fields = ("host__host", "dirname", "path")
@admin.register(ScheduleConfig)
class ScheduleConfigAdmin(admin.ModelAdmin):
list_display = ("host", "cron_expr", "enabled", "prune", "updated_at")
list_filter = ("enabled", "prune")
search_fields = ("host__host", "cron_expr")

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from __future__ import annotations
from django.apps import AppConfig
class PobsyncBackendConfig(AppConfig):
default_auto_field = "django.db.models.BigAutoField"
name = "pobsync_backend"
verbose_name = "Pobsync backend"

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from __future__ import annotations
from pathlib import Path
from typing import Any
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from pobsync.config.load import load_global_config, load_host_config
from pobsync.paths import PobsyncPaths
from pobsync_backend.models import GlobalConfig, HostConfig
class Command(BaseCommand):
help = "Import pobsync YAML configs into the Django database."
def add_arguments(self, parser) -> None:
parser.add_argument("--prefix", default=settings.POBSYNC_HOME, help="Pobsync home directory")
def handle(self, *args: Any, **options: Any) -> None:
paths = PobsyncPaths(home=Path(options["prefix"]))
if not paths.global_config_path.exists():
raise CommandError(f"Missing global config: {paths.global_config_path}")
global_cfg = load_global_config(paths.global_config_path)
GlobalConfig.objects.update_or_create(
name="default",
defaults={
"backup_root": global_cfg["backup_root"],
"pobsync_home": global_cfg.get("pobsync_home", str(paths.home)),
"data": global_cfg,
},
)
count = 0
for host_path in sorted(paths.hosts_dir.glob("*.yaml")):
host_cfg = load_host_config(host_path)
HostConfig.objects.update_or_create(
host=host_cfg["host"],
defaults={
"address": host_cfg["address"],
"config": host_cfg,
"enabled": True,
},
)
count += 1
self.stdout.write(self.style.SUCCESS(f"Imported global config and {count} host config(s)."))

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from __future__ import annotations
from pathlib import Path
from typing import Any
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from django.utils import timezone
from pobsync.commands.run_scheduled import run_scheduled
from pobsync.config.load import load_host_config
from pobsync.paths import PobsyncPaths
from pobsync_backend.models import BackupRun, HostConfig
class Command(BaseCommand):
help = "Run a scheduled pobsync backup and record the result in Django."
def add_arguments(self, parser) -> None:
parser.add_argument("host", help="Host to back up")
parser.add_argument("--prefix", default=settings.POBSYNC_HOME, help="Pobsync home directory")
parser.add_argument("--dry-run", action="store_true", help="Run rsync --dry-run")
parser.add_argument("--prune", action="store_true", help="Apply retention after a successful run")
parser.add_argument("--prune-max-delete", type=int, default=10)
parser.add_argument("--prune-protect-bases", action="store_true")
def handle(self, *args: Any, **options: Any) -> None:
host_name = options["host"]
paths = PobsyncPaths(home=Path(options["prefix"]))
host_path = paths.hosts_dir / f"{host_name}.yaml"
if not host_path.exists():
raise CommandError(f"Missing host config: {host_path}")
host_cfg = load_host_config(host_path)
host, _created = HostConfig.objects.update_or_create(
host=host_cfg["host"],
defaults={
"address": host_cfg["address"],
"config": host_cfg,
"enabled": True,
},
)
run = BackupRun.objects.create(
host=host,
run_type=BackupRun.RunType.SCHEDULED,
status=BackupRun.Status.RUNNING,
started_at=timezone.now(),
)
try:
result = run_scheduled(
prefix=paths.home,
host=host.host,
dry_run=bool(options["dry_run"]),
prune=bool(options["prune"]),
prune_max_delete=int(options["prune_max_delete"]),
prune_protect_bases=bool(options["prune_protect_bases"]),
)
except Exception as exc:
run.status = BackupRun.Status.FAILED
run.ended_at = timezone.now()
run.result = {"ok": False, "error": str(exc), "type": type(exc).__name__}
run.save(update_fields=["status", "ended_at", "result"])
raise
run.status = BackupRun.Status.SUCCESS if result.get("ok") else BackupRun.Status.FAILED
run.ended_at = timezone.now()
run.snapshot_path = str(result.get("snapshot") or "")
run.base_path = str(result.get("base") or "")
rsync = result.get("rsync") if isinstance(result.get("rsync"), dict) else {}
run.rsync_exit_code = rsync.get("exit_code")
run.result = result
run.save(
update_fields=[
"status",
"ended_at",
"snapshot_path",
"base_path",
"rsync_exit_code",
"result",
],
)
if result.get("ok"):
self.stdout.write(self.style.SUCCESS(f"Backup completed for {host.host}."))
return
raise CommandError(f"Backup failed for {host.host}; run id={run.id}")

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from __future__ import annotations
import django.db.models.deletion
from django.db import migrations, models
class Migration(migrations.Migration):
initial = True
dependencies = []
operations = [
migrations.CreateModel(
name="GlobalConfig",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("created_at", models.DateTimeField(auto_now_add=True)),
("updated_at", models.DateTimeField(auto_now=True)),
("name", models.CharField(default="default", max_length=64, unique=True)),
("backup_root", models.CharField(max_length=512)),
("pobsync_home", models.CharField(default="/opt/pobsync", max_length=512)),
("data", models.JSONField(blank=True, default=dict)),
],
options={
"verbose_name": "global config",
"verbose_name_plural": "global configs",
},
),
migrations.CreateModel(
name="HostConfig",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("created_at", models.DateTimeField(auto_now_add=True)),
("updated_at", models.DateTimeField(auto_now=True)),
("host", models.CharField(max_length=255, unique=True)),
("address", models.CharField(max_length=255)),
("enabled", models.BooleanField(default=True)),
("config", models.JSONField(blank=True, default=dict)),
],
options={
"ordering": ["host"],
},
),
migrations.CreateModel(
name="BackupRun",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("run_type", models.CharField(choices=[("scheduled", "Scheduled"), ("manual", "Manual")], default="scheduled", max_length=16)),
("status", models.CharField(choices=[("queued", "Queued"), ("running", "Running"), ("success", "Success"), ("failed", "Failed"), ("cancelled", "Cancelled")], default="queued", max_length=16)),
("started_at", models.DateTimeField(blank=True, null=True)),
("ended_at", models.DateTimeField(blank=True, null=True)),
("snapshot_path", models.CharField(blank=True, max_length=1024)),
("base_path", models.CharField(blank=True, max_length=1024)),
("rsync_exit_code", models.IntegerField(blank=True, null=True)),
("result", models.JSONField(blank=True, default=dict)),
("created_at", models.DateTimeField(auto_now_add=True)),
("host", models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name="runs", to="pobsync_backend.hostconfig")),
],
options={
"ordering": ["-created_at"],
},
),
migrations.CreateModel(
name="ScheduleConfig",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("created_at", models.DateTimeField(auto_now_add=True)),
("updated_at", models.DateTimeField(auto_now=True)),
("cron_expr", models.CharField(max_length=128)),
("user", models.CharField(default="root", max_length=64)),
("enabled", models.BooleanField(default=True)),
("prune", models.BooleanField(default=False)),
("prune_max_delete", models.PositiveIntegerField(default=10)),
("prune_protect_bases", models.BooleanField(default=False)),
("host", models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name="schedule", to="pobsync_backend.hostconfig")),
],
options={
"ordering": ["host__host"],
},
),
migrations.CreateModel(
name="SnapshotRecord",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("kind", models.CharField(choices=[("scheduled", "Scheduled"), ("manual", "Manual"), ("incomplete", "Incomplete")], max_length=16)),
("dirname", models.CharField(max_length=255)),
("path", models.CharField(max_length=1024)),
("status", models.CharField(blank=True, max_length=32)),
("started_at", models.DateTimeField(blank=True, null=True)),
("ended_at", models.DateTimeField(blank=True, null=True)),
("metadata", models.JSONField(blank=True, default=dict)),
("discovered_at", models.DateTimeField(auto_now_add=True)),
("host", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="snapshots", to="pobsync_backend.hostconfig")),
],
options={
"ordering": ["host__host", "-started_at", "dirname"],
},
),
migrations.AddConstraint(
model_name="snapshotrecord",
constraint=models.UniqueConstraint(fields=("host", "kind", "dirname"), name="unique_snapshot_per_host_kind"),
),
]

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from __future__ import annotations
from django.db import models
class TimestampedModel(models.Model):
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
class Meta:
abstract = True
class GlobalConfig(TimestampedModel):
name = models.CharField(max_length=64, default="default", unique=True)
backup_root = models.CharField(max_length=512)
pobsync_home = models.CharField(max_length=512, default="/opt/pobsync")
data = models.JSONField(default=dict, blank=True)
class Meta:
verbose_name = "global config"
verbose_name_plural = "global configs"
def __str__(self) -> str:
return self.name
class HostConfig(TimestampedModel):
host = models.CharField(max_length=255, unique=True)
address = models.CharField(max_length=255)
enabled = models.BooleanField(default=True)
config = models.JSONField(default=dict, blank=True)
class Meta:
ordering = ["host"]
def __str__(self) -> str:
return self.host
class BackupRun(models.Model):
class RunType(models.TextChoices):
SCHEDULED = "scheduled", "Scheduled"
MANUAL = "manual", "Manual"
class Status(models.TextChoices):
QUEUED = "queued", "Queued"
RUNNING = "running", "Running"
SUCCESS = "success", "Success"
FAILED = "failed", "Failed"
CANCELLED = "cancelled", "Cancelled"
host = models.ForeignKey(HostConfig, on_delete=models.PROTECT, related_name="runs")
run_type = models.CharField(max_length=16, choices=RunType.choices, default=RunType.SCHEDULED)
status = models.CharField(max_length=16, choices=Status.choices, default=Status.QUEUED)
started_at = models.DateTimeField(null=True, blank=True)
ended_at = models.DateTimeField(null=True, blank=True)
snapshot_path = models.CharField(max_length=1024, blank=True)
base_path = models.CharField(max_length=1024, blank=True)
rsync_exit_code = models.IntegerField(null=True, blank=True)
result = models.JSONField(default=dict, blank=True)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ["-created_at"]
def __str__(self) -> str:
return f"{self.host} {self.run_type} {self.status}"
class SnapshotRecord(models.Model):
class Kind(models.TextChoices):
SCHEDULED = "scheduled", "Scheduled"
MANUAL = "manual", "Manual"
INCOMPLETE = "incomplete", "Incomplete"
host = models.ForeignKey(HostConfig, on_delete=models.CASCADE, related_name="snapshots")
kind = models.CharField(max_length=16, choices=Kind.choices)
dirname = models.CharField(max_length=255)
path = models.CharField(max_length=1024)
status = models.CharField(max_length=32, blank=True)
started_at = models.DateTimeField(null=True, blank=True)
ended_at = models.DateTimeField(null=True, blank=True)
metadata = models.JSONField(default=dict, blank=True)
discovered_at = models.DateTimeField(auto_now_add=True)
class Meta:
constraints = [
models.UniqueConstraint(fields=["host", "kind", "dirname"], name="unique_snapshot_per_host_kind"),
]
ordering = ["host__host", "-started_at", "dirname"]
def __str__(self) -> str:
return f"{self.host}/{self.kind}/{self.dirname}"
class ScheduleConfig(TimestampedModel):
host = models.OneToOneField(HostConfig, on_delete=models.CASCADE, related_name="schedule")
cron_expr = models.CharField(max_length=128)
user = models.CharField(max_length=64, default="root")
enabled = models.BooleanField(default=True)
prune = models.BooleanField(default=False)
prune_max_delete = models.PositiveIntegerField(default=10)
prune_protect_bases = models.BooleanField(default=False)
class Meta:
ordering = ["host__host"]
def __str__(self) -> str:
return f"{self.host} {self.cron_expr}"