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                                {
                                    "timestamp": 1548896794.349958, 
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                            ], 
                            "failed_iteration_count": 0, 
                            "total_iteration_count": 10, 
                            "created_at": "2019-01-31T01:06:26", 
                            "updated_at": "2019-01-31T01:06:54", 
                            "contexts": {
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                                    "tenants": 3
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                                        "instances": -1, 
                                        "key_pairs": -1, 
                                        "cores": -1, 
                                        "security_groups": -1
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                            "contexts_results": [
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                                    "plugin_cfg": {
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                                        "project_domain": "Default", 
                                        "user_choice_method": "random", 
                                        "users_per_tenant": 2, 
                                        "tenants": 3, 
                                        "resource_management_workers": 20
                                    }, 
                                    "plugin_name": "users@openstack"
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                                {
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                                    "plugin_name": "cleanup@openstack"
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                            ], 
                            "position": 0, 
                            "pass_sla": true, 
                            "sla_results": {
                                "sla": [
                                    {
                                        "criterion": "failure_rate", 
                                        "detail": "Failure rate criteria 0.00% <= 0.00% <= 0.00% - Passed", 
                                        "success": true
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                                ]
                            }, 
                            "sla": {
                                "failure_rate": {
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                    ]
                }, 
                {
                    "uuid": "c7f44d2c-c5b8-4ce2-82c3-10a590afbdb8", 
                    "title": "NovaServers.boot_and_bounce_server", 
                    "description": "", 
                    "status": "finished", 
                    "created_at": "2019-01-31T01:06:54", 
                    "updated_at": "2019-01-31T01:12:33", 
                    "sla": {}, 
                    "workloads": [
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                            "description": "Boot a server and run specified actions against it.", 
                            "runner": {
                                "constant": {
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                                    "times": 10
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                            }, 
                            "hooks": [], 
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                                "NovaServers.boot_and_bounce_server": {
                                    "nics": [
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                                            "net-id": "991bb4f2-9d4d-4715-b472-ca994f9a228e"
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                                        "name": "rally_full-flavor_da610490-9930-47bd-99f0-af1253fc8a01"
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                                    "image": {
                                        "name": "rally_full-img_da610490-9930-47bd-99f0-af1253fc8a01"
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                                    "actions": [
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                                        {
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                                            "95%ile": 240.035, 
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                                            "avg": 192.139, 
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                                        "display_name": "total", 
                                        "name": "total", 
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                                    "atomics": [
                                        {
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                                                "max": 34.036, 
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                                                "95%ile": 33.265, 
                                                "iteration_count": 5, 
                                                "avg": 22.691, 
                                                "90%ile": 32.495
                                            }, 
                                            "display_name": "nova.boot_server", 
                                            "name": "nova.boot_server", 
                                            "count_per_iteration": 1, 
                                            "children": []
                                        }, 
                                        {
                                            "data": {
                                                "success": "100.0%", 
                                                "min": 4.918, 
                                                "max": 7.609, 
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                                                "95%ile": 7.562, 
                                                "iteration_count": 4, 
                                                "avg": 6.711, 
                                                "90%ile": 7.514
                                            }, 
                                            "display_name": "nova.reboot_server", 
                                            "name": "nova.reboot_server", 
                                            "count_per_iteration": 1, 
                                            "children": []
                                        }, 
                                        {
                                            "data": {
                                                "success": "100.0%", 
                                                "min": 126.149, 
                                                "max": 127.167, 
                                                "median": 126.856, 
                                                "95%ile": 127.155, 
                                                "iteration_count": 4, 
                                                "avg": 126.757, 
                                                "90%ile": 127.143
                                            }, 
                                            "display_name": "nova.soft_reboot_server", 
                                            "name": "nova.soft_reboot_server", 
                                            "count_per_iteration": 1, 
                                            "children": []
                                        }, 
                                        {
                                            "data": {
                                                "success": "100.0%", 
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                                                "iteration_count": 4, 
                                                "avg": 37.623, 
                                                "90%ile": 43.943
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                                            "display_name": "nova.stop_and_start_server", 
                                            "name": "nova.stop_and_start_server", 
                                            "count_per_iteration": 1, 
                                            "children": [
                                                {
                                                    "data": {
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                                                        "max": 37.86, 
                                                        "median": 32.26, 
                                                        "95%ile": 37.845, 
                                                        "iteration_count": 4, 
                                                        "avg": 32.188, 
                                                        "90%ile": 37.831
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                                                    "display_name": "nova.stop_server", 
                                                    "name": "nova.stop_server", 
                                                    "count_per_iteration": 1, 
                                                    "children": []
                                                }, 
                                                {
                                                    "data": {
                                                        "success": "100.0%", 
                                                        "min": 4.399, 
                                                        "max": 6.621, 
                                                        "median": 5.359, 
                                                        "95%ile": 6.496, 
                                                        "iteration_count": 4, 
                                                        "avg": 5.435, 
                                                        "90%ile": 6.372
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                                                    "display_name": "nova.start_server", 
                                                    "name": "nova.start_server", 
                                                    "count_per_iteration": 1, 
                                                    "children": []
                                                }
                                            ]
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                                        {
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                                                "min": 34.246, 
                                                "max": 47.272, 
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                                                "iteration_count": 4, 
                                                "avg": 37.994, 
                                                "90%ile": 43.781
                                            }, 
                                            "display_name": "nova.rescue_and_unrescue_server", 
                                            "name": "nova.rescue_and_unrescue_server", 
                                            "count_per_iteration": 1, 
                                            "children": [
                                                {
                                                    "data": {
                                                        "success": "100.0%", 
                                                        "min": 29.47, 
                                                        "max": 42.516, 
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                                                        "95%ile": 40.738, 
                                                        "iteration_count": 4, 
                                                        "avg": 33.153, 
                                                        "90%ile": 38.959
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                                                    "display_name": "nova.rescue_server", 
                                                    "name": "nova.rescue_server", 
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                                                    "children": []
                                                }, 
                                                {
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                                                        "success": "100.0%", 
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                                                        "max": 4.976, 
                                                        "median": 4.817, 
                                                        "95%ile": 4.959, 
                                                        "iteration_count": 4, 
                                                        "avg": 4.842, 
                                                        "90%ile": 4.941
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                                                    "display_name": "nova.unrescue_server", 
                                                    "name": "nova.unrescue_server", 
                                                    "count_per_iteration": 1, 
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                                                }
                                            ]
                                        }, 
                                        {
                                            "data": {
                                                "success": "100.0%", 
                                                "min": 2.608, 
                                                "max": 2.762, 
                                                "median": 2.681, 
                                                "95%ile": 2.76, 
                                                "iteration_count": 4, 
                                                "avg": 2.683, 
                                                "90%ile": 2.758
                                            }, 
                                            "display_name": "nova.delete_server", 
                                            "name": "nova.delete_server", 
                                            "count_per_iteration": 1, 
                                            "children": []
                                        }
                                    ]
                                }
                            }, 
                            "data": [
                                {
                                    "timestamp": 1548896840.523626, 
                                    "error": [
                                        "GetResourceErrorStatus", 
                                        "Resource <Server: s_rally_f7d14d86_qFdYYCYN> has ERROR status.\n Fault: {u'message': u'Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 26610a23-82dd-492c-8c12-48d228f0b8cd.', u'code': 500, u'created': u'2019-01-31T01:07:53Z'}", 
                                        "Traceback (most recent call last):\n  File \"/usr/lib/python2.7/site-packages/rally/task/runner.py\", line 71, in _run_scenario_once\n    getattr(scenario_inst, method_name)(**scenario_kwargs)\n  File \"/usr/lib/python2.7/site-packages/rally_openstack/scenarios/nova/servers.py\", line 234, in run\n    server = self._boot_server(image, flavor, **kwargs)\n  File \"/usr/lib/python2.7/site-packages/rally/task/atomic.py\", line 91, in func_atomic_actions\n    f = func(self, *args, **kwargs)\n  File \"/usr/lib/python2.7/site-packages/rally_openstack/scenarios/nova/utils.py\", line 88, in _boot_server\n    check_interval=CONF.openstack.nova_server_boot_poll_interval\n  File \"/usr/lib/python2.7/site-packages/rally/task/utils.py\", line 214, in wait_for_status\n    resource = update_resource(resource)\n  File \"/usr/lib/python2.7/site-packages/rally/task/utils.py\", line 89, in _get_from_manager\n    fault=getattr(res, \"fault\", \"n/a\"))\nGetResourceErrorStatus: Resource <Server: s_rally_f7d14d86_qFdYYCYN> has ERROR status.\n Fault: {u'message': u'Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 26610a23-82dd-492c-8c12-48d228f0b8cd.', u'code': 500, u'created': u'2019-01-31T01:07:53Z'}\n"
                                    ], 
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                                        "complete": []
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                                        {
                                            "finished_at": 1548896874.585059, 
                                            "started_at": 1548896840.548759, 
                                            "children": [], 
                                            "failed": true, 
                                            "name": "nova.boot_server"
                                        }
                                    ]
                                }, 
                                {
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                                    "error": [], 
                                    "duration": 225.48604702949524, 
                                    "output": {
                                        "additive": [], 
                                        "complete": []
                                    }, 
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                                        {
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                                            "started_at": 1548896840.550742, 
                                            "name": "nova.boot_server", 
                                            "children": []
                                        }, 
                                        {
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                                            "started_at": 1548896858.442718, 
                                            "name": "nova.reboot_server", 
                                            "children": []
                                        }, 
                                        {
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                                            "name": "nova.soft_reboot_server", 
                                            "children": []
                                        }, 
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                                                    "name": "nova.stop_server", 
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                                    ]
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                                {
                                    "timestamp": 1548896840.527578, 
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                                        {
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                                            "name": "nova.delete_server", 
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                                    ]
                                }, 
                                {
                                    "timestamp": 1548896874.593467, 
                                    "error": [], 
                                    "duration": 217.42011904716492, 
                                    "output": {
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