Merge b08b516 into aa7f1ad

tmt/steps/__init__.py

@@ -17,6 +17,7 @@ class Step(object):
     """ Common parent of all test steps """
     # Test steps need to be explicitly enabled
     enabled = False
+    how = False
 
     # Required name of the step
     name = 'unknown-step'

tmt/steps/provision/__init__.py

@@ -3,8 +3,51 @@
 """ Provision Step Classes """
 
 import tmt
+import random
+import string
+import os
+
+from click import echo
+
+from .localhost import ProvisionLocalhost
 
 
 class Provision(tmt.steps.Step):
-    """ Provision an environment for testing (or use localhost) """
+    """
+        Provision step
+
+        Note: provision.how contains forced how step from command-line
+    """
     name = 'provision'
+
+    def __init__(self, data, plan):
+        super(Provision, self).__init__(data, plan)
+
+        # If this is not an initialization for 'run' command, just ignore
+        if not self.plan.run:
+            return
+
+        # List of provisioned guests
+        self.guests = []
+
+        # if there are no data but user forces it, use local provisioner
+        if not data:
+            if self.how:
+                self.data = [{'how': 'local'}]
+            return
+
+        # choose correct plugin
+        for item in self.data:
+            how = self.how
+            if how == 'local':
+                self.guests.append(GuestLocalost(item, self))
+            else:
+                raise SpecificationError("Unknown how '{}'".format(how))
+
+    def go(self):
+        """ provision all resources """
+        super(Provision, self).go()
+
+        for guest in self.guests:
+            guest.provision()
+            guest.save()

tmt/steps/provision/base.py

@@ -0,0 +1,33 @@
+class ProvisionBase(object):
+    def __init__(self, data, step, instance_name=None):
+        self.instance_name = instance_name or ''.join(random.choices(string.ascii_letters, k=16))
+        self.provision_dir = os.path.join(step.workdir, self.instance_name)
+
+    def execute(self, command):
+        """ executes one command in a gyes """
+        pass
+
+    def sync_workdir_to_guest(self):
+        """ sync step workdir from host to guests """
+        pass
+
+    def sync_workdir_from_guest(self):
+        """ sync step workdir from guest to host """
+        pass
+
+    def provision(self):
+        """ do the actual provisioning """
+        pass
+
+    def load(self):
+        """ load state from workdir """
+        pass
+
+    def save(self):
+        """ save state to workdir """
+        pass
+
+    def destroy(self):
+        """ destroy the machine """
+        pass
+

tmt/steps/provision/localhost.py

@@ -0,0 +1,11 @@
+from click import echo
+
+from tmt.steps.provision.base import ProvisionBase
+
+
+class ProvisionLocalhost(ProvisionBase):
+    def provision(self):
+        echo ('provisioning localhost')
+
+    def save(self):
+        echo ('saving localhost')