1#!/usr/bin/env python
2
3r"""
4PLDM functions.
5"""
6
7import re
8import var_funcs as vf
9import func_args as fa
10import bmc_ssh_utils as bsu
11import json
12import random
13import string
14from robot.api import logger
15
16
17def pldmtool(option_string, **bsu_options):
18
19    r"""
20    Run pldmtool on the BMC with the caller's option string and return the result.
21
22    Example:
23
24    ${pldm_results}=  Pldmtool  base GetPLDMTypes
25    Rprint Vars  pldm_results
26
27    pldm_results:
28      pldmtool base GetPLDMVersion -t 0
29      {
30          "Response": "1.0.0"
31      }
32
33    Description of argument(s):
34    option_string                   A string of options which are to be processed by the pldmtool command.
35    parse_results                   Parse the pldmtool results and return a dictionary rather than the raw
36                                    pldmtool output.
37    bsu_options                     Options to be passed directly to bmc_execute_command.  See its prolog for
38                                    details.
39    """
40
41    # This allows callers to specify arguments in python style (e.g. print_out=1 vs. print_out=${1}).
42    bsu_options = fa.args_to_objects(bsu_options)
43
44    stdout, stderr, rc = bsu.bmc_execute_command('pldmtool ' + option_string, **bsu_options)
45    if stderr:
46        return stderr
47    try:
48        return json.loads(stdout)
49    except ValueError:
50        return stdout
51
52
53def GetBIOSEnumAttributeOptionalValues(attr_val_table_data):
54
55    """
56    From pldmtool GetBIOSTable of type AttributeValueTable get the dict of
57    attribute handle and its optional values for BIOS Enumeration type.
58
59    Description of argument(s):
60    attr_val_table_data     pldmtool output from GetBIOSTable table type AttributeValueTable
61                            e.g.
62                            [{
63                                  "AttributeHandle": 20,
64                                  "AttributeNameHandle": "23(pvm-pcie-error-inject)",
65                                  "AttributeType": "BIOSEnumeration",
66                                  "NumberOfPossibleValues": 2,
67                                  "PossibleValueStringHandle[0]": "3(Disabled)",
68                                  "PossibleValueStringHandle[1]": "4(Enabled)",
69                                  "NumberOfDefaultValues": 1,
70                                  "DefaultValueStringHandleIndex[0]": 1,
71                                  "StringHandle": "4(Enabled)"
72                             }]
73    @return                  Dictionary of BIOS attribute and its value.
74                             e.g. {'pvm_pcie_error_inject': ['Disabled', 'Enabled']}
75    """
76
77    attr_val_data_dict = {}
78    for item in attr_val_table_data:
79        for attr in item:
80            if (attr == "NumberOfPossibleValues"):
81                value_list = []
82                for i in range(0, int(item[attr])):
83                    attr_values = item["PossibleValueStringHandle[" + str(i) + "]"]
84                    value = re.search(r'\((.*?)\)', attr_values).group(1)
85                    if value:
86                        # Example:
87                        # value = '"Power Off"'
88                        if ' ' in value:
89                            value = '"' + value + '"'
90                        value_list.append(value)
91                    else:
92                        value_list.append('')
93
94                attr_handle = re.findall(r'\(.*?\)', item["AttributeNameHandle"])
95                attr_val_data_dict[attr_handle[0][1:-1]] = value_list
96    return attr_val_data_dict
97
98
99def GetBIOSStrAndIntAttributeHandles(attr_type, attr_val_table_data):
100
101    """
102    From pldmtool GetBIOSTable of type AttributeValueTable get the dict of
103    attribute handle and its values based on the attribute type.
104
105    Description of argument(s):
106    attr_type               "BIOSInteger" or "BIOSString".
107    attr_val_table_data     pldmtool output from GetBIOSTable table type AttributeValueTable.
108
109    @return                 Dict of BIOS attribute and its value based on attribute type.
110
111    """
112    attr_val_int_dict = {}
113    attr_val_str_dict = {}
114    for item in attr_val_table_data:
115        value_dict = {}
116        attr_handle = re.findall(r'\(.*?\)', item["AttributeNameHandle"])
117        # Example:
118        # {'vmi_if0_ipv4_prefix_length': {'UpperBound': 32, 'LowerBound': 0}
119        if (item["AttributeType"] == "BIOSInteger"):
120            value_dict["LowerBound"] = item["LowerBound"]
121            value_dict["UpperBound"] = item["UpperBound"]
122            attr_val_int_dict[attr_handle[0][1:-1]] = value_dict
123        # Example:
124        # {'vmi_if1_ipv4_ipaddr': {'MaximumStringLength': 15, 'MinimumStringLength': 7}}
125        elif (item["AttributeType"] == "BIOSString"):
126            value_dict["MinimumStringLength"] = item["MinimumStringLength"]
127            value_dict["MaximumStringLength"] = item["MaximumStringLength"]
128            attr_val_str_dict[attr_handle[0][1:-1]] = value_dict
129
130    if (attr_type == "BIOSInteger"):
131        return attr_val_int_dict
132    elif (attr_type == "BIOSString"):
133        return attr_val_str_dict
134
135
136def GetRandomBIOSIntAndStrValues(attr_name, count):
137
138    """
139    Get random integer or string values for BIOS attribute values based on the count.
140
141    Description of argument(s):
142    attr_name               Attribute name of BIOS attribute type Integer or string.
143    count                   Max length for BIOS attribute type Integer or string.
144
145    @return                 Random attribute value based on BIOS attribute type Integer
146                            or string.
147
148    """
149    attr_random_value = ''
150
151    # Example
152    # 12.13.14.15
153    if 'gateway' in attr_name:
154        attr_random_value = ".".join(map(str, (random.randint(0, 255) for _ in range(4))))
155    # Example
156    # 11.11.11.11
157    elif 'ipaddr' in attr_name:
158        attr_random_value = ".".join(map(str, (random.randint(0, 255) for _ in range(4))))
159    # Example
160    # E5YWEDWJJ
161    elif 'name' in attr_name:
162        data = string.ascii_uppercase + string.digits
163        attr_random_value = ''.join(random.choice(data) for _ in range(int(count)))
164
165    elif 'mfg_flags' in attr_name:
166        data = string.ascii_uppercase + string.digits
167        attr_random_value = ''.join(random.choice(data) for _ in range(int(count)))
168
169    else:
170        attr_random_value = random.randint(0, int(count))
171    return attr_random_value
172
173
174def GetBIOSAttrOriginalValues(attr_val_table_data):
175
176    """
177    From pldmtool GetBIOSTable of type AttributeValueTable get the dict of
178    attribute handle and its values.
179
180    Description of argument(s):
181    attr_val_table_data     pldmtool output from GetBIOSTable table type AttributeValueTable.
182
183    @return                 Dict of BIOS attribute and its value.
184
185    """
186    attr_val_data_dict = {}
187    for item in attr_val_table_data:
188        attr_handle = re.findall(r'\(.*?\)', item["AttributeNameHandle"])
189        attr_name = attr_handle[0][1:-1]
190
191        command = "bios GetBIOSAttributeCurrentValueByHandle -a " + attr_name
192        value = pldmtool(command)
193        attr_val_data_dict[attr_name] = value["CurrentValue"]
194        if not value["CurrentValue"]:
195            if 'name' in attr_name:
196                attr_val_data_dict[attr_name] = '""'
197
198    return attr_val_data_dict
199
200
201def GetBIOSAttrDefaultValues(attr_val_table_data):
202
203    """
204    From pldmtool GetBIOSTable of type AttributeValueTable get the dict of
205    attribute handle and its default attribute values.
206
207    Description of argument(s):
208    attr_val_table_data     pldmtool output from GetBIOSTable table type AttributeValueTable.
209
210    @return                 Dict of BIOS attribute and its default attribute value.
211
212    """
213    attr_val_data_dict = {}
214    for item in attr_val_table_data:
215        attr_handle = re.findall(r'\(.*?\)', item["AttributeNameHandle"])
216        attr_name = attr_handle[0][1:-1]
217
218        if "DefaultString" in item:
219            attr_val_data_dict[attr_name] = item["DefaultString"]
220            if not item["DefaultString"]:
221                if 'name' in attr_name:
222                    attr_val_data_dict[attr_name] = '""'
223        elif "DefaultValue" in item:
224            attr_val_data_dict[attr_name] = item["DefaultValue"]
225        elif "StringHandle" in item:
226            attr_default_value = re.findall(r'\(.*?\)', item["StringHandle"])
227            attr_val_data_dict[attr_name] = attr_default_value[0][1:-1]
228
229    return attr_val_data_dict
230
231
232def GetNewValuesForAllBIOSAttrs(attr_table_data):
233
234    """
235    Get a new set of values for all attributes in Attribute Table.
236
237    Description of argument(s):
238    attr_table_data         pldmtool output from GetBIOSTable table type AttributeValueTable.
239
240    @return                 Dict of BIOS attribute and new attribute value.
241
242    """
243    existing_data = GetBIOSAttrOriginalValues(attr_table_data)
244    logger.info(existing_data)
245    string_attr_data = GetBIOSStrAndIntAttributeHandles("BIOSString", attr_table_data)
246    logger.info(string_attr_data)
247    int_attr_data = GetBIOSStrAndIntAttributeHandles("BIOSInteger", attr_table_data)
248    logger.info(int_attr_data)
249    enum_attr_data = GetBIOSEnumAttributeOptionalValues(attr_table_data)
250    logger.info(enum_attr_data)
251
252    attr_random_data = {}
253    temp_list = enum_attr_data.copy()
254    for attr in enum_attr_data:
255        try:
256            temp_list[attr].remove(existing_data[attr])
257        except ValueError:
258            try:
259                # The data values have a double quote in them.
260                # Eg: '"IBM I"' instead of just 'IBM I'
261                data = '"' + str(existing_data[attr]) + '"'
262                temp_list[attr].remove(data)
263            except ValueError:
264                logger.info("Unable to remove the existing value "
265                            + str(data) + " from list " + str(temp_list[attr]))
266        valid_values = temp_list[attr][:]
267        value = random.choice(valid_values)
268        attr_random_data[attr] = value.strip('"')
269    logger.info("Values generated for enumeration type attributes")
270
271    for attr in string_attr_data:
272        # Iterating to make sure we have a different value
273        # other than the existing value.
274        for iter in range(5):
275            random_val = GetRandomBIOSIntAndStrValues(attr, string_attr_data[attr]["MaximumStringLength"])
276            if random_val != existing_data[attr]:
277                break
278        attr_random_data[attr] = random_val.strip('"')
279    logger.info("Values generated for string type attributes")
280
281    for attr in int_attr_data:
282        for iter in range(5):
283            random_val = GetRandomBIOSIntAndStrValues(attr, int_attr_data[attr]["UpperBound"])
284            if random_val != existing_data[attr]:
285                break
286        attr_random_data[attr] = random_val
287    logger.info("Values generated for integer type attributes")
288
289    return attr_random_data
290