mirror of
https://github.com/retspen/webvirtcloud
synced 2026-11-08 11:16:47 +00:00
02412b7ea5
The delete ran in the request: undefine, then the VM's record, then its disk files. A request that died in between (a gunicorn worker past its timeout, OOM, a restart), or a database write that failed after the undefine, left a record that later showed as removed outside the panel, and the disk files the user asked to delete were never deleted. Deleting a VM is now an instance.delete job. It holds the compute exclusively, as the request did, so no other VM attaches a file it is about to delete. The job chooses the files before it stops the VM (a host that cannot be checked still stops nothing) and records them first. It then stops and undefines the VM, removes its record, and deletes the files, each with its own Logs row. Recovery decides from libvirt: a VM still on its host means the delete failed; a VM gone means libvirt did it, so recovery removes the record and deletes the recorded files that are still there. The page queues the job and returns to the VM page, where the job panel follows it and opens the VM list when it ends; disks that were kept are the result's warning. The API's delete answers 202 with the job and needs a submission_key. backing_path moves to wvmConnect, as recovery has no domain to ask.
146 lines
4.6 KiB
Python
146 lines
4.6 KiB
Python
from instances.models import CreateInstance, Flavor, Instance, MigrateInstance
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from instances.utils import nic_macs
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from rest_framework import serializers
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class InstanceSerializer(serializers.ModelSerializer):
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class Meta:
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model = Instance
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fields = ["id", "compute", "name", "uuid", "is_template", "created", "drbd"]
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class InstanceDetailsSerializer(serializers.ModelSerializer):
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def get_fields(self):
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fields = super().get_fields()
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# the host's ISO images are a superuser's, as on the VM page
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request = self.context.get("request")
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if not (request and request.user.is_superuser):
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del fields["media_iso"]
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return fields
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class Meta:
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model = Instance
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fields = [
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"id",
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"compute",
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"status",
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"uuid",
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"name",
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"title",
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"description",
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"is_template",
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"created",
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"drbd",
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"arch",
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"machine",
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"vcpu",
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"memory",
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"firmware",
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"nvram",
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"bootmenu",
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"boot_order",
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"disks",
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"media",
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"media_iso",
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"snapshots",
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"networks",
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"console_type",
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"console_port",
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"console_keymap",
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"console_listener_address",
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"video_model",
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"guest_agent_ready",
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"autostart",
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]
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class FlavorSerializer(serializers.ModelSerializer):
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class Meta:
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model = Flavor
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fields = ["id", "label", "memory", "vcpu", "disk"]
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# as the web form (instances.forms.FlavorForm): MiB, vCPUs and GiB, each at least 1
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extra_kwargs = {"memory": {"min_value": 1}, "vcpu": {"min_value": 1}, "disk": {"min_value": 1}}
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class DestroyOptionsSerializer(serializers.Serializer):
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"""What a VM's delete takes besides the VM: from the web form's checkboxes
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or an API body, JSON or form-encoded ("false" is false)."""
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delete_disk = serializers.BooleanField(default=False)
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delete_nvram = serializers.BooleanField(default=False)
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class DestroySerializer(DestroyOptionsSerializer):
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"""The API's delete: a job, which a new submission key per request names."""
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submission_key = serializers.CharField(write_only=True)
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class CreateInstanceSerializer(serializers.ModelSerializer):
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# BIOS, UEFI or UEFI Secure Boot, as the host offers; left out: the machine's default
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firmware = serializers.CharField(required=False)
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video = serializers.CharField(initial="vga")
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storage = serializers.CharField(initial="default")
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cache_mode = serializers.CharField(initial="none")
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virtio = serializers.BooleanField(initial=True)
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qemu_ga = serializers.BooleanField(initial=True)
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submission_key = serializers.CharField(write_only=True)
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def validate(self, attrs):
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try:
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nic_macs(attrs.get("mac"), attrs.get("networks", ""))
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except ValueError as err:
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raise serializers.ValidationError({"mac": str(err)})
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return attrs
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class Meta:
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model = CreateInstance
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fields = [
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"name",
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"firmware",
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"tpm",
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"vcpu",
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"vcpu_mode",
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"memory",
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"networks",
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"mac",
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"nwfilter",
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"storage",
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"hdd_size",
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"cache_mode",
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"meta_prealloc",
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"virtio",
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"qemu_ga",
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"cloud_init",
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"video",
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"listener_addr",
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"submission_key",
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]
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class MigrateSerializer(serializers.ModelSerializer):
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live = serializers.BooleanField(default=True)
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offline = serializers.BooleanField(default=False)
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# left out, also from a form-encoded request: auto converge on
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autoconverge = serializers.BooleanField(default=True)
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compress = serializers.BooleanField(default=False)
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unsafe = serializers.BooleanField(default=False)
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# {target: pool of the destination} of the disks copied there; delete_source deletes their source files
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disk_pools = serializers.DictField(child=serializers.CharField(allow_blank=True), default=dict)
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delete_source = serializers.BooleanField(default=False)
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submission_key = serializers.CharField(write_only=True)
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class Meta:
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model = MigrateInstance
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fields = [
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"instance",
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"target_compute",
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"live",
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"offline",
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"autoconverge",
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"compress",
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"unsafe",
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"disk_pools",
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"delete_source",
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"submission_key",
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]
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