Add an ability to run in-band deploy steps

Mostly adaptation of cleaning methods.

Co-Authored-By: Dmitry Tantsur <dtantsur@redhat.com>
Change-Id: Ife0502391bbece46d619a20a825dfdb191d5c2b4
Story: 2006963
Task: 37791

1 files changed, 21 insertions, 10 deletions

diff --git a/ironic_python_agent/errors.py b/ironic_python_agent/errors.py
index d263af5f..99bbe2b8 100644
--- a/ironic_python_agent/errors.py
+++ b/ironic_python_agent/errors.py
@@ -263,24 +263,26 @@ class IncompatibleHardwareMethodError(RESTError):
         super(IncompatibleHardwareMethodError, self).__init__(details)
 
 
-class CleanVersionMismatch(RESTError):
+class VersionMismatch(RESTError):
     """Error raised when Ironic and the Agent have different versions.
 
-    If the agent version has changed since get_clean_steps was called by
-    the Ironic conductor, it indicates the agent has been updated (either
-    on purpose, or a new agent was deployed and the node was rebooted).
-    Since we cannot know if the upgraded IPA will work with cleaning as it
-    stands (steps could have different priorities, either in IPA or in
-    other Ironic interfaces), we should restart cleaning from the start.
+    If the agent version has changed since get_clean_steps or get_deploy_steps
+    was called by the Ironic conductor, it indicates the agent has been updated
+    (either on purpose, or a new agent was deployed and the node was rebooted).
+    Since we cannot know if the upgraded IPA will work with cleaning/deploy as
+    it stands (steps could have different priorities, either in IPA or in
+    other Ironic interfaces), we should restart the process from the start.
 
     """
-    message = 'Clean version mismatch, reload agent with correct version'
+    message = (
+        'Hardware managers version mismatch, reload agent with correct version'
+    )
 
     def __init__(self, agent_version, node_version):
         self.status_code = 409
-        details = ('Agent clean version: {}, node clean version: {}'
+        details = ('Current versions: {}, versions used by ironic: {}'
                    .format(agent_version, node_version))
-        super(CleanVersionMismatch, self).__init__(details)
+        super(VersionMismatch, self).__init__(details)
 
 
 class CleaningError(RESTError):
@@ -292,6 +294,15 @@ class CleaningError(RESTError):
         super(CleaningError, self).__init__(details)
 
 
+class DeploymentError(RESTError):
+    """Error raised when a deploy step fails."""
+
+    message = 'Deploy step failed'
+
+    def __init__(self, details=None):
+        super(DeploymentError, self).__init__(details)
+
+
 class ISCSIError(RESTError):
     """Error raised when an image cannot be written to a device."""