Rest framework (#24)

* Add rest framework for API: First Commit

* modify some shell scripts to make variable references safer; modify some python scripts to reduce the code complexity and cyclomatic complexity of functions.

* Add REST API for some webvirtcloud functions. Instance list/delete/create, compute list/delete/create, storages-network list/retrieve. Add swagger and redoc for API interface

* update requirements

Co-authored-by: herengui <herengui@uniontech.com>

instances/models.py

@@ -1,7 +1,10 @@
 from django.db import models
 from django.utils.functional import cached_property
 from django.utils.translation import gettext_lazy as _
+
 from libvirt import VIR_DOMAIN_XML_SECURE
+from vrtManager.create import wvmCreate
+from webvirtcloud.settings import QEMU_CONSOLE_LISTENER_ADDRESSES
 
 from computes.models import Compute
 from vrtManager.instance import wvmInstance
@@ -150,8 +153,8 @@ class Instance(models.Model):
         return self.proxy.get_console_keymap()
 
     @cached_property
-    def console_listen_address(self):
-        return self.proxy.get_console_listen_addr()
+    def console_listener_address(self):
+        return self.proxy.get_console_listener_addr()
 
     @cached_property
     def guest_agent(self):
@@ -206,6 +209,50 @@ class Instance(models.Model):
         return self.proxy.get_image_formats()
 
 
+class MigrateInstance(models.Model):
+    instance = models.ForeignKey(Instance, on_delete=models.DO_NOTHING)
+    target_compute = models.ForeignKey(Compute, related_name='target', on_delete=models.DO_NOTHING)
+
+    live = models.BooleanField(_('Live'), blank=False)
+    xml_del = models.BooleanField(_('Undefine XML'), blank=False, default=True)
+    offline = models.BooleanField(_('Offline'), blank=False)
+    autoconverge = models.BooleanField(_('Auto Converge'), blank=False, default=True)
+    compress = models.BooleanField(_('Compress'), blank=False, default=False)
+    postcopy = models.BooleanField(_('Post Copy'), blank=False, default=False)
+    unsafe = models.BooleanField(_('Unsafe'), blank=False, default=False)
+
+    class Meta:
+        managed = False
+
+
+class CreateInstance(models.Model):
+    compute = models.ForeignKey(Compute, related_name='host', on_delete=models.DO_NOTHING)
+    name = models.CharField(max_length=64, error_messages={'required': _('No Virtual Machine name has been entered')})
+    firmware = models.CharField(max_length=50)
+    vcpu = models.IntegerField(error_messages={'required': _('No VCPU has been entered')})
+    vcpu_mode = models.CharField(max_length=20, blank=True)
+    disk = models.IntegerField(blank=True)
+    memory = models.IntegerField(error_messages={'required': _('No RAM size has been entered')})
+    networks = models.CharField(max_length=256, error_messages={'required': _('No Network pool has been choosen')})
+    nwfilter = models.CharField(max_length=256, blank=True)
+    storage = models.CharField(max_length=256, blank=True)
+    template = models.CharField(max_length=256, blank=True)
+    images = models.CharField(max_length=256, blank=True)
+    cache_mode = models.CharField(max_length=12, error_messages={'required': _('Please select HDD cache mode')})
+    hdd_size = models.IntegerField(blank=True)
+    meta_prealloc = models.BooleanField(default=False, blank=True)
+    virtio = models.BooleanField(default=True)
+    qemu_ga = models.BooleanField(default=False)
+    mac = models.CharField(max_length=17, blank=True)
+    console_pass = models.CharField(max_length=64, blank=True)
+    graphics = models.CharField(max_length=12, error_messages={'required': _('Please select a graphics type')})
+    video = models.CharField(max_length=12, error_messages={'required': _('Please select a video driver')})
+    listener_addr = models.CharField(max_length=20, choices=QEMU_CONSOLE_LISTENER_ADDRESSES)
+
+    class Meta:
+        managed = False
+
+
 class PermissionSet(models.Model):
     """
     Dummy model for holding set of permissions we need to be automatically added by Django