openstack
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ironic
Code Issues Proposed changes

Merge "Show transitions initiated by API requests"

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Jenkins 2016-02-09 10:45:14 +00:00 committed by Gerrit Code Review
parent 19bf5a8b62 4f8b97dff6
commit c9f96d6d79
3 changed files with 194 additions and 144 deletions
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8
doc/source/dev/states.rst
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@ -11,6 +11,12 @@ The diagram below shows the provisioning states that an Ironic node goes
through during the lifetime of a node. The diagram also depicts the events
that transition the node to different states.
Stable states are highlighted with a thicker border. All transitions from
stable states are initiated by API requests. There are a few other
API-initiated-transitions that are possible from non-stable states.
The events for these API-initiated transitions are indicated with '(via API)'.
Internally, the conductor initiates the other transitions (depicted in gray).
.. figure:: ../images/states.svg
:width: 660px
:align: left
@ -21,4 +27,4 @@ that transition the node to different states.
For more information about the states, see the specification located at
`ironic-state-machine`_.
.. _ironic-state-machine: http://specs.openstack.org/openstack/ironic-specs/specs/kilo/new-ironic-state-machine.html
.. _ironic-state-machine: http://specs.openstack.org/openstack/ironic-specs/specs/kilo-implemented/new-ironic-state-machine.html

278
doc/source/images/states.svg
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@ -4,295 +4,295 @@
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<!-- deploying&#45;&gt;wait call&#45;back -->
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<!-- active -->
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<!-- deploying&#45;&gt;active -->
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<!-- deleting -->
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<!-- active&#45;&gt;deleting -->
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<!-- error -->
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<!-- deleting&#45;&gt;error -->
<g id="edge30" class="edge"><title>deleting&#45;&gt;error</title>
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<!-- deleting&#45;&gt;cleaning -->
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<!-- error&#45;&gt;deploying -->
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<!-- error&#45;&gt;deleting -->
<g id="edge10" class="edge"><title>error&#45;&gt;deleting</title>
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<!-- deploy failed&#45;&gt;deploying -->
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<!-- deploy failed&#45;&gt;deploying -->
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<!-- deploy failed&#45;&gt;deleting -->
<g id="edge21" class="edge"><title>deploy failed&#45;&gt;deleting</title>
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<!-- wait call&#45;back&#45;&gt;deploying -->
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<!-- wait call&#45;back&#45;&gt;deploy failed -->
<g id="edge17" class="edge"><title>wait call&#45;back&#45;&gt;deploy failed</title>
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<!-- wait call&#45;back&#45;&gt;deleting -->
<g id="edge18" class="edge"><title>wait call&#45;back&#45;&gt;deleting</title>
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<!-- clean failed&#45;&gt;manageable -->
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<!-- clean wait&#45;&gt;clean failed -->
<g id="edge26" class="edge"><title>clean wait&#45;&gt;clean failed</title>
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<!-- clean wait&#45;&gt;clean failed -->
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<!-- clean wait&#45;&gt;cleaning -->
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<!-- inspect failed&#45;&gt;manageable -->
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<g id="edge35" class="edge"><title>inspect failed&#45;&gt;inspecting</title>
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52
tools/states_to_dot.py
View File

@ -67,18 +67,62 @@ def main():
if options.filename is None:
options.filename = 'states.%s' % options.format
def node_attrs(state):
"""Attributes used for drawing the nodes (states).
The user can perform actions on stable states (and in a few other
cases), so we distinguish the stable states from the other states by
highlighting the node. Non-stable states are labelled with gray.
This is a callback method used by pydot.convert().
:param state: name of state
:returns: A dictionary with graphic attributes used for displaying
the state.
"""
attrs = map_color(state)
if source.is_stable(state):
attrs['penwidth'] = 1.7
else:
if 'fontcolor' not in attrs:
attrs['fontcolor'] = 'gray'
return attrs
def edge_attrs(start_state, event, end_state):
"""Attributes used for drawing the edges (transitions).
There are two types of transitions; the ones that the user can
initiate and the ones that are done internally by the conductor.
The user-initiated ones are shown with '(via API'); the others are
in gray.
This is a callback method used by pydot.convert().
:param start_state: name of the start state
:param event: the event, a string
:param end_state: name of the end state (unused)
:returns: A dictionary with graphic attributes used for displaying
the transition.
"""
if not options.labels:
return {}
translations = {'delete': 'deleted', 'deploy': 'active'}
attrs = {}
if options.labels:
attrs['label'] = "on_%s" % event
attrs.update(map_color(event))
attrs['fontsize'] = 12
attrs['label'] = translations.get(event, event)
if (source.is_stable(start_state) or 'fail' in start_state
or event in ('abort', 'delete')):
attrs['label'] += " (via API)"
else:
attrs['fontcolor'] = 'gray'
return attrs
source = states.machine
graph_name = '"Ironic states"'
graph_attrs = {'size': 0}
g = pydot.convert(source, graph_name, graph_attrs=graph_attrs,
node_attrs_cb=map_color, edge_attrs_cb=edge_attrs)
node_attrs_cb=node_attrs, edge_attrs_cb=edge_attrs)
print_header(graph_name)
print(g.to_string().strip())