mirror of
https://github.com/retspen/webvirtcloud
synced 2024-12-25 15:45:23 +00:00
222 lines
8.3 KiB
Python
222 lines
8.3 KiB
Python
import json
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from django.contrib import messages
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import get_object_or_404, redirect, render
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from django.urls import reverse
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from django.utils.translation import gettext_lazy as _
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from libvirt import libvirtError
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from admin.decorators import superuser_only
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from appsettings.models import AppSettings
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from appsettings.settings import app_settings
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from computes.models import Compute
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from storages.forms import AddStgPool, CloneImage, CreateVolumeForm
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from vrtManager.storage import wvmStorage, wvmStorages
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@superuser_only
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def storages(request, compute_id):
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"""
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:param request:
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:param compute_id:
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:return:
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"""
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compute = get_object_or_404(Compute, pk=compute_id)
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errors = False
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try:
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conn = wvmStorages(compute.hostname, compute.login, compute.password, compute.type)
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storages = conn.get_storages_info()
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secrets = conn.get_secrets()
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if request.method == 'POST':
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if 'create' in request.POST:
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form = AddStgPool(request.POST)
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if form.is_valid():
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data = form.cleaned_data
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if data['name'] in storages:
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msg = _("Pool name already use")
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messages.error(request, msg)
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errors = True
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if data['stg_type'] == 'rbd':
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if not data['secret']:
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msg = _("You need create secret for pool")
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messages.error(request, msg)
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errors = True
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if not data['ceph_pool'] and not data['ceph_host'] and not data['ceph_user']:
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msg = _("You need input all fields for creating ceph pool")
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messages.error(request, msg)
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errors = True
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if not errors:
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if data['stg_type'] == 'rbd':
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conn.create_storage_ceph(data['stg_type'], data['name'], data['ceph_pool'], data['ceph_host'],
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data['ceph_user'], data['secret'])
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elif data['stg_type'] == 'netfs':
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conn.create_storage_netfs(data['stg_type'], data['name'], data['netfs_host'], data['source'],
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data['source_format'], data['target'])
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else:
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conn.create_storage(data['stg_type'], data['name'], data['source'], data['target'])
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return HttpResponseRedirect(reverse('storage', args=[compute_id, data['name']]))
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else:
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for msg_err in form.errors.values():
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messages.error(request, msg_err.as_text())
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conn.close()
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except libvirtError as lib_err:
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messages.error(request, lib_err)
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return render(request, 'storages.html', locals())
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@superuser_only
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def storage(request, compute_id, pool):
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"""
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:param request:
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:param compute_id:
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:param pool:
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:return:
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"""
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def handle_uploaded_file(path, f_name):
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target = path + '/' + str(f_name)
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destination = open(target, 'wb+')
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for chunk in f_name.chunks():
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destination.write(chunk)
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destination.close()
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compute = get_object_or_404(Compute, pk=compute_id)
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meta_prealloc = False
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form = CreateVolumeForm()
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conn = wvmStorage(compute.hostname, compute.login, compute.password, compute.type, pool)
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storages = conn.get_storages()
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state = conn.is_active()
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size, free = conn.get_size()
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used = (size - free)
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if state:
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percent = (used * 100) // size
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else:
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percent = 0
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status = conn.get_status()
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path = conn.get_target_path()
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type = conn.get_type()
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autostart = conn.get_autostart()
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if state:
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conn.refresh()
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volumes = conn.update_volumes()
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else:
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volumes = None
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if request.method == 'POST':
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if 'start' in request.POST:
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conn.start()
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return HttpResponseRedirect(request.get_full_path())
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if 'stop' in request.POST:
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conn.stop()
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return HttpResponseRedirect(request.get_full_path())
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if 'delete' in request.POST:
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conn.delete()
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return HttpResponseRedirect(reverse('storages', args=[compute_id]))
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if 'set_autostart' in request.POST:
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conn.set_autostart(1)
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return HttpResponseRedirect(request.get_full_path())
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if 'unset_autostart' in request.POST:
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conn.set_autostart(0)
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return HttpResponseRedirect(request.get_full_path())
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if 'del_volume' in request.POST:
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volname = request.POST.get('volname', '')
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vol = conn.get_volume(volname)
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vol.delete(0)
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messages.success(request, _(f"Volume: {volname} is deleted."))
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return redirect(reverse('storage', args=[compute.id, pool]))
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# return HttpResponseRedirect(request.get_full_path())
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if 'iso_upload' in request.POST:
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if str(request.FILES['file']) in conn.update_volumes():
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error_msg = _("ISO image already exist")
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messages.error(request, error_msg)
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else:
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handle_uploaded_file(path, request.FILES['file'])
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messages.success(request, _(f"ISO: {request.FILES['file']} is uploaded."))
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return HttpResponseRedirect(request.get_full_path())
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if 'cln_volume' in request.POST:
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form = CloneImage(request.POST)
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if form.is_valid():
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data = form.cleaned_data
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img_name = data['name']
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meta_prealloc = 0
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if img_name in conn.update_volumes():
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msg = _("Name of volume already in use")
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messages.error(request, msg)
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if data['convert']:
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format = data['format']
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if data['meta_prealloc'] and data['format'] == 'qcow2':
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meta_prealloc = True
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else:
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format = None
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try:
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name = conn.clone_volume(data['image'], data['name'], format, meta_prealloc)
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messages.success(request, _(f"{data['image']} image cloned as {name} successfully"))
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return HttpResponseRedirect(request.get_full_path())
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except libvirtError as lib_err:
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messages.error(request, lib_err)
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else:
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for msg_err in form.errors.values():
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messages.error(request, msg_err.as_text())
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conn.close()
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return render(request, 'storage.html', locals())
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@superuser_only
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def create_volume(request, compute_id, pool):
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compute = get_object_or_404(Compute, pk=compute_id)
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meta_prealloc = False
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conn = wvmStorage(compute.hostname, compute.login, compute.password, compute.type, pool)
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storages = conn.get_storages()
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form = CreateVolumeForm(request.POST or None)
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if form.is_valid():
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data = form.cleaned_data
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if data['meta_prealloc'] and data['format'] == 'qcow2':
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meta_prealloc = True
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disk_owner_uid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_UID)
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disk_owner_gid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_GID)
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name = conn.create_volume(
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data['name'],
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data['size'],
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data['format'],
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meta_prealloc,
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disk_owner_uid,
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disk_owner_gid,
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)
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messages.success(request, _(f"Image file {name} is created successfully"))
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else:
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for msg_err in form.errors.values():
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messages.error(request, msg_err.as_text())
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return redirect(reverse('storage', args=[compute.id, pool]))
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def get_volumes(request, compute_id, pool):
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"""
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:param request:
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:param compute_id: compute id
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:param pool: pool name
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:return: volumes list of pool
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"""
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data = {}
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compute = get_object_or_404(Compute, pk=compute_id)
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try:
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conn = wvmStorage(compute.hostname, compute.login, compute.password, compute.type, pool)
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conn.refresh()
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data['vols'] = sorted(conn.get_volumes())
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except libvirtError:
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pass
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return HttpResponse(json.dumps(data))
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