Python _is_host_node示例

示例#1

文件： software_replacement_workflow.py 项目： dspadea/cloudify-migration

def replace_host_software(ctx, **kwargs):
    graph = ctx.graph_mode()
    for node in ctx.nodes:
        for instance in node.instances:
            if _is_host_node(instance):
                if sys.argv[4] == "migration_uninstall":
                    generate_tasks_fun = _host_pre_stop
                else:
                    def generate_tasks_fun(instance):
                        return _host_post_start(instance) + [
                            instance.execute_operation(
                                'cloudify.interfaces.monitoring.start')
                        ]
                sequence = graph.sequence()
                sequence.add(*generate_tasks_fun(instance))
    time.sleep(2)
    graph.execute()

示例#2

文件： software_replacement_workflow.py 项目： szpotona/cloudify-migration

def replace_host_software(ctx, op_name, **kwargs):
    graph = ctx.graph_mode()
    for node in ctx.nodes:
        for instance in node.instances:
            if _is_host_node(instance):
                if op_name == "uninstall":
                    generate_tasks_fun = _host_pre_stop
                elif op_name == "install":

                    def generate_tasks_fun(instance):
                        tasks = _host_post_start(instance)
                        for subnode in instance.get_contained_subgraph():
                            tasks.append(
                                subnode.execute_operation(
                                    'cloudify.interfaces.monitoring.start'))
                        return tasks
                else:
                    raise NonRecoverableError('Unrecognized operation %s' %
                                              op_name)
                sequence = graph.sequence()
                sequence.add(*generate_tasks_fun(instance))
    graph.execute()

示例#3

文件： software_replacement_workflow.py 项目： pawelcodilime/cloudify-migration

def replace_host_software(ctx, op_name, **kwargs):
    graph = ctx.graph_mode()
    for node in ctx.nodes:
        for instance in node.instances:
            if _is_host_node(instance):
                if op_name == "uninstall":
                    generate_tasks_fun = _host_pre_stop
                elif op_name == "install":
                    def generate_tasks_fun(instance):
                        tasks = _host_post_start(instance)
                        for subnode in instance.get_contained_subgraph():
                            tasks.append(
                                subnode.execute_operation(
                                    'cloudify.interfaces.monitoring.start')
                            )
                        return tasks
                else:
                    raise NonRecoverableError(
                        'Unrecognized operation %s' % op_name)
                sequence = graph.sequence()
                sequence.add(*generate_tasks_fun(instance))
    graph.execute()