Implement OPNFV workflow

This is a counterpart to an update to network models,
and allows for configuring baremetal OPNFV and Openstack deploys

Change-Id: I0185dbfa6c9105d7e63a7e7d7dd1f5cf228a8877
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

4 files changed, 105 insertions, 17 deletions

diff --git a/dashboard/src/resource_inventory/idf_templater.py b/dashboard/src/resource_inventory/idf_templater.py
index 7cd13bb..26307e3 100644
--- a/dashboard/src/resource_inventory/idf_templater.py
+++ b/dashboard/src/resource_inventory/idf_templater.py
@@ -12,10 +12,7 @@ from django.template.loader import render_to_string
 
 from account.models import PublicNetwork
 
-from resource_inventory.models import (
-    OPNFVConfig,
-    Vlan
-)
+from resource_inventory.models import Vlan
 
 
 class IDFTemplater:
@@ -67,7 +64,7 @@ class IDFTemplater:
 
     def get_public_net(self, booking):
         public = {}
-        config = OPNFVConfig.objects.get(bundle=booking.config_bundle)
+        config = booking.opnfv_config
         public_role = config.networks.get(name="public")
         public_vlan = Vlan.objects.filter(network=public_role.network).first()
         public_network = PublicNetwork.objects.get(vlan=public_vlan.vlan_id, lab=booking.lab)
@@ -91,7 +88,7 @@ class IDFTemplater:
         return net
 
     def get_single_net_config(self, booking, net_name):
-        config = OPNFVConfig.objects.get(bundle=booking.config_bundle)
+        config = booking.opnfv_config
         role = config.networks.get(name=net_name)
         vlan = Vlan.objects.filter(network=role.network).first()
         self.networks[net_name]['vlan'] = vlan.vlan_id
@@ -127,7 +124,10 @@ class IDFTemplater:
         return bridges
 
     def get_fuel_nodes(self, booking):
-        hosts = booking.resource.hosts.exclude(config__opnfvRole__name="jumphost")
+        jumphost = booking.opnfv_config.host_opnfv_config.get(
+            role__name__iexact="jumphost"
+        )
+        hosts = booking.resource.hosts.exclude(pk=jumphost.pk)
         nodes = []
         for host in hosts:
             node = {}
diff --git a/dashboard/src/resource_inventory/migrations/0010_auto_20190430_1405.py b/dashboard/src/resource_inventory/migrations/0010_auto_20190430_1405.py
new file mode 100644
index 0000000..3823eaf
--- /dev/null
+++ b/dashboard/src/resource_inventory/migrations/0010_auto_20190430_1405.py
@@ -0,0 +1,54 @@
+# Generated by Django 2.1 on 2019-04-30 14:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('resource_inventory', '0009_auto_20190315_1757'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HostOPNFVConfig',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='hostconfiguration',
+            name='opnfvRole',
+        ),
+        migrations.AddField(
+            model_name='hostconfiguration',
+            name='is_head_node',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='opnfvconfig',
+            name='description',
+            field=models.CharField(blank=True, default='', max_length=600),
+        ),
+        migrations.AddField(
+            model_name='opnfvconfig',
+            name='name',
+            field=models.CharField(blank=True, default='', max_length=300),
+        ),
+        migrations.AddField(
+            model_name='hostopnfvconfig',
+            name='host_config',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='host_opnfv_config', to='resource_inventory.HostConfiguration'),
+        ),
+        migrations.AddField(
+            model_name='hostopnfvconfig',
+            name='opnfv_config',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='host_opnfv_config', to='resource_inventory.OPNFVConfig'),
+        ),
+        migrations.AddField(
+            model_name='hostopnfvconfig',
+            name='role',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='host_opnfv_configs', to='resource_inventory.OPNFVRole'),
+        ),
+    ]
diff --git a/dashboard/src/resource_inventory/models.py b/dashboard/src/resource_inventory/models.py
index d3f47d4..b9f2c44 100644
--- a/dashboard/src/resource_inventory/models.py
+++ b/dashboard/src/resource_inventory/models.py
@@ -191,7 +191,7 @@ class ResourceBundle(models.Model):
         return "instance of " + str(self.template)
 
     def get_host(self, role="Jumphost"):
-        return Host.objects.filter(bundle=self, config__opnfvRole__name=role).first()
+        return Host.objects.filter(bundle=self, config__is_head_node=True).first()  # should only ever be one, but it is not an invariant in the models
 
 
 class GenericInterface(models.Model):
@@ -252,6 +252,8 @@ class OPNFVConfig(models.Model):
     scenario = models.ForeignKey(Scenario, on_delete=models.CASCADE)
     bundle = models.ForeignKey(ConfigBundle, related_name="opnfv_config", on_delete=models.CASCADE)
     networks = models.ManyToManyField(NetworkRole)
+    name = models.CharField(max_length=300, blank=True, default="")
+    description = models.CharField(max_length=600, blank=True, default="")
 
     def __str__(self):
         return "OPNFV job with " + str(self.installer) + " and " + str(self.scenario)
@@ -297,12 +299,18 @@ class HostConfiguration(models.Model):
     host = models.ForeignKey(GenericHost, related_name="configuration", on_delete=models.CASCADE)
     image = models.ForeignKey(Image, on_delete=models.PROTECT)
     bundle = models.ForeignKey(ConfigBundle, related_name="hostConfigurations", null=True, on_delete=models.CASCADE)
-    opnfvRole = models.ForeignKey(OPNFVRole, on_delete=models.SET(get_sentinal_opnfv_role))
+    is_head_node = models.BooleanField(default=False)
 
     def __str__(self):
         return "config with " + str(self.host) + " and image " + str(self.image)
 
 
+class HostOPNFVConfig(models.Model):
+    role = models.ForeignKey(OPNFVRole, related_name="host_opnfv_configs", on_delete=models.CASCADE)
+    host_config = models.ForeignKey(HostConfiguration, related_name="host_opnfv_config", on_delete=models.CASCADE)
+    opnfv_config = models.ForeignKey(OPNFVConfig, related_name="host_opnfv_config", on_delete=models.CASCADE)
+
+
 class RemoteInfo(models.Model):
     address = models.CharField(max_length=15)
     mac_address = models.CharField(max_length=17)
@@ -353,3 +361,11 @@ class Interface(models.Model):
 
     def __str__(self):
         return self.mac_address + " on host " + str(self.host)
+
+
+class OPNFV_SETTINGS():
+    """
+    This is a static configuration class
+    """
+    # all the required network types in PDF/IDF spec
+    NETWORK_ROLES = ["public", "private", "admin", "mgmt"]
diff --git a/dashboard/src/resource_inventory/pdf_templater.py b/dashboard/src/resource_inventory/pdf_templater.py
index 2db2129..d08b303 100644
--- a/dashboard/src/resource_inventory/pdf_templater.py
+++ b/dashboard/src/resource_inventory/pdf_templater.py
@@ -19,15 +19,15 @@ class PDFTemplater:
     """
 
     @classmethod
-    def makePDF(cls, resource):
+    def makePDF(cls, booking):
         """
         fills the pod descriptor file template with info about the resource
         """
         template = "dashboard/pdf.yaml"
         info = {}
-        info['details'] = cls.get_pdf_details(resource)
-        info['jumphost'] = cls.get_pdf_jumphost(resource)
-        info['nodes'] = cls.get_pdf_nodes(resource)
+        info['details'] = cls.get_pdf_details(booking.resource)
+        info['jumphost'] = cls.get_pdf_jumphost(booking)
+        info['nodes'] = cls.get_pdf_nodes(booking)
 
         return render_to_string(template, context=info)
 
@@ -63,22 +63,40 @@ class PDFTemplater:
         return details
 
     @classmethod
-    def get_pdf_jumphost(cls, resource):
+    def get_jumphost(cls, booking):
+        jumphost = None
+        if booking.opnfv_config:
+            jumphost_opnfv_config = booking.opnfv_config.host_opnfv_config.get(
+                role__name__iexact="jumphost"
+            )
+            jumphost = booking.resource.hosts.get(config=jumphost_opnfv_config.host_config)
+        else:  # if there is no opnfv config, use headnode
+            jumphost = Host.objects.filter(
+                bundle=booking.resource,
+                config__is_head_node=True
+            ).first()
+
+        return jumphost
+
+    @classmethod
+    def get_pdf_jumphost(cls, booking):
         """
         returns a dict of all the info for the "jumphost" section
         """
-        jumphost = Host.objects.get(bundle=resource, config__opnfvRole__name__iexact="jumphost")
+        jumphost = cls.get_jumphost(booking)
         jumphost_info = cls.get_pdf_host(jumphost)
         jumphost_info['os'] = jumphost.config.image.os.name
         return jumphost_info
 
     @classmethod
-    def get_pdf_nodes(cls, resource):
+    def get_pdf_nodes(cls, booking):
         """
         returns a list of all the "nodes" (every host except jumphost)
         """
         pdf_nodes = []
-        nodes = Host.objects.filter(bundle=resource).exclude(config__opnfvRole__name__iexact="jumphost")
+        nodes = set(Host.objects.filter(bundle=booking.resource))
+        nodes.discard(cls.get_jumphost(booking))
+
         for node in nodes:
             pdf_nodes.append(cls.get_pdf_host(node))