ci text processing

circle/vm/models/instance.py

@@ -37,6 +37,8 @@ from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _, ugettext_noop
 
+from passlib.hash import sha512_crypt
+
 from model_utils import Choices
 from model_utils.managers import QueryManager
 from model_utils.models import TimeStampedModel, StatusModel
@@ -67,6 +69,25 @@ ACCESS_PROTOCOLS = django.conf.settings.VM_ACCESS_PROTOCOLS
 ACCESS_METHODS = [(key, name) for key, (name, port, transport)
                   in list(ACCESS_PROTOCOLS.items())]
 
+CI_META_DATA_DEF = """
+instance-id: {{hostname}} 
+local-hostname: {{hostname}} 
+""".strip()
+
+CI_USER_DATA_DEF = """
+#cloud-config
+
+users:
+  - default
+  - name: {{user}} 
+    sudo: ['ALL=(ALL) NOPASSWD:ALL']
+    groups: sudo
+    shell: /bin/bash
+    ssh_pwauth: True
+    chpasswd: { expire: False }
+    lock-passwd: false
+    passwd: "{{password}}"
+""".strip()
 
 try:
     # Python 2: "unicode" is built-in
@@ -117,9 +138,9 @@ class VirtualMachineDescModel(BaseResourceConfigModel):
                              help_text=_(
                                  'VM use cloud-init, set user- and meta-data below'))
     ci_meta_data = TextField(verbose_name=_('ci_meta_data'), blank=True, help_text=_(
-          'When cloud-init is active, set meta-data (YAML format)'), default='empty')
+          'When cloud-init is active, set meta-data (YAML format)'), default=CI_META_DATA_DEF)
     ci_user_data = TextField(verbose_name=_('ci_user_data'), blank=True, help_text=_(
-         'When cloud-init is active, set user-data (YAML format)'), default='empty')
+         'When cloud-init is active, set user-data (YAML format)'), default=CI_USER_DATA_DEF)
     req_traits = ManyToManyField(Trait, blank=True,
                                  help_text=_("A set of traits required for a "
                                              "node to declare to be suitable "
@@ -341,6 +362,19 @@ class Instance(AclBase, VirtualMachineDescModel, StatusModel, OperatedMixin,
              DeprecationWarning)
         return self.status
 
+    @property
+    def get_user_data(self):
+        passwd = sha512_crypt.hash(self.pw)
+        user   = 'cloud'
+        data = str(self.ci_user_data).replace('{{user}}', user)
+        data = data.replace('{{password}}', passwd)
+        return data
+
+    @property
+    def get_meta_data(self):
+        data = str(self.ci_user_data).replace('{{hostname}}', self.short_hostname)
+        return data
+
     def _update_status(self):
         """Set the proper status of the instance to Instance.status.
         """

circle/vm/operations.py

@@ -500,8 +500,8 @@ class DeployOperation(InstanceOperation):
 
         def _operation(self, user, activity, name=None):
             logger.info('create ci image')
-            disk = Disk.create_ci_disk(meta_data=self.instance.ci_meta_data, 
-                                    user_data=self.instance.ci_user_data)
+            disk = Disk.create_ci_disk(meta_data=self.instance.get_meta_data, 
+                                    user_data=self.instance.get_user_data)
             disk.full_clean()
             disk.save()
             self.instance.disks.add(disk)