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81eedcae TL |
1 | """ |
2 | ceph-mgr Output Wizards module | |
3 | ||
4 | Output wizards are used to process results in different ways in | |
5 | completion objects | |
6 | """ | |
7 | ||
8 | # pylint: disable=bad-continuation | |
9 | ||
10 | import json | |
11 | ||
12 | ||
13 | from orchestrator import InventoryDevice, InventoryNode | |
14 | ||
15 | from .ansible_runner_svc import EVENT_DATA_URL | |
16 | ||
17 | class OutputWizard(object): | |
18 | """Base class for help to process output in completion objects | |
19 | """ | |
20 | def __init__(self, ar_client, logger): | |
21 | """Make easy to work in output wizards using this attributes: | |
22 | ||
23 | :param ars_client: Ansible Runner Service client | |
24 | :param logger: log object | |
25 | """ | |
26 | self.ar_client = ar_client | |
27 | self.log = logger | |
28 | ||
29 | def process(self, operation_id, raw_result): | |
30 | """Make the magic here | |
31 | ||
32 | :param operation_id: Allows to identify the Ansible Runner Service | |
33 | operation whose result we wnat to process | |
34 | :param raw_result: input for processing | |
35 | """ | |
36 | raise NotImplementedError | |
37 | ||
38 | class ProcessInventory(OutputWizard): | |
39 | """ Adapt the output of the playbook used in 'get_inventory' | |
40 | to the Orchestrator expected output (list of InventoryNode) | |
41 | """ | |
42 | ||
43 | def process(self, operation_id, raw_result): | |
44 | """ | |
45 | :param operation_id: Playbook uuid | |
46 | :param raw_result: events dict with the results | |
47 | ||
48 | Example: | |
49 | inventory_events = | |
50 | {'37-100564f1-9fed-48c2-bd62-4ae8636dfcdb': {'host': '192.168.121.254', | |
51 | 'task': 'list storage inventory', | |
52 | 'event': 'runner_on_ok'}, | |
53 | '36-2016b900-e38f-7dcd-a2e7-00000000000e': {'host': '192.168.121.252' | |
54 | 'task': 'list storage inventory', | |
55 | 'event': 'runner_on_ok'}} | |
56 | ||
57 | :return : list of InventoryNode | |
58 | """ | |
59 | # Just making more readable the method | |
60 | inventory_events = raw_result | |
61 | ||
62 | #Obtain the needed data for each result event | |
63 | inventory_nodes = [] | |
64 | ||
65 | # Loop over the result events and request the event data | |
66 | for event_key, dummy_data in inventory_events.items(): | |
67 | ||
68 | event_response = self.ar_client.http_get(EVENT_DATA_URL % | |
69 | (operation_id, event_key)) | |
70 | ||
71 | # self.pb_execution.play_uuid | |
72 | ||
73 | # Process the data for each event | |
74 | if event_response: | |
75 | event_data = json.loads(event_response.text)["data"]["event_data"] | |
76 | ||
77 | host = event_data["host"] | |
78 | ||
79 | devices = json.loads(event_data["res"]["stdout"]) | |
80 | devs = [] | |
81 | for storage_device in devices: | |
82 | dev = InventoryDevice.from_ceph_volume_inventory(storage_device) | |
83 | devs.append(dev) | |
84 | ||
85 | inventory_nodes.append(InventoryNode(host, devs)) | |
86 | ||
87 | ||
88 | return inventory_nodes | |
89 | ||
90 | class ProcessPlaybookResult(OutputWizard): | |
91 | """ Provides the result of a playbook execution as plain text | |
92 | """ | |
93 | def process(self, operation_id, raw_result): | |
94 | """ | |
95 | :param operation_id: Playbook uuid | |
96 | :param raw_result: events dict with the results | |
97 | ||
98 | :return : String with the playbook execution event list | |
99 | """ | |
100 | # Just making more readable the method | |
101 | inventory_events = raw_result | |
102 | ||
103 | result = "" | |
104 | ||
105 | # Loop over the result events and request the data | |
106 | for event_key, dummy_data in inventory_events.items(): | |
107 | event_response = self.ar_client.http_get(EVENT_DATA_URL % | |
108 | (operation_id, event_key)) | |
109 | ||
110 | result += event_response.text | |
111 | ||
112 | return result | |
113 | ||
114 | ||
115 | class ProcessHostsList(OutputWizard): | |
116 | """ Format the output of host ls call | |
117 | """ | |
118 | def process(self, operation_id, raw_result): | |
119 | """ Format the output of host ls call | |
120 | ||
121 | :param operation_id: Not used in this output wizard | |
122 | :param raw_result: In this case is like the following json: | |
123 | { | |
124 | "status": "OK", | |
125 | "msg": "", | |
126 | "data": { | |
127 | "hosts": [ | |
128 | "host_a", | |
129 | "host_b", | |
130 | ... | |
131 | "host_x", | |
132 | ] | |
133 | } | |
134 | } | |
135 | ||
136 | :return: list of InventoryNodes | |
137 | """ | |
138 | # Just making more readable the method | |
139 | host_ls_json = raw_result | |
140 | ||
141 | inventory_nodes = [] | |
142 | ||
143 | try: | |
144 | json_resp = json.loads(host_ls_json) | |
145 | ||
146 | for host in json_resp["data"]["hosts"]: | |
147 | inventory_nodes.append(InventoryNode(host, [])) | |
148 | ||
149 | except ValueError: | |
150 | self.log.exception("Malformed json response") | |
151 | except KeyError: | |
152 | self.log.exception("Unexpected content in Ansible Runner Service" | |
153 | " response") | |
154 | except TypeError: | |
155 | self.log.exception("Hosts data must be iterable in Ansible Runner " | |
156 | "Service response") | |
157 | ||
158 | return inventory_nodes |