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1 | #!/usr/bin/python3 | |
2 | ||
3 | import os | |
4 | ||
5 | import logging | |
6 | ||
7 | logger = logging.getLogger("nitsi.recipe") | |
8 | ||
9 | ||
10 | ||
11 | class RecipeExeption(Exception): | |
12 | def __init__(self, message): | |
13 | self.message = message | |
14 | ||
15 | ||
16 | ||
17 | # Should read the test, check if the syntax are valid | |
18 | # and return tuples with the ( host, command ) structure | |
19 | class recipe(): | |
20 | def __init__(self, path, circle=[]): | |
21 | self.recipe_file = path | |
22 | try: | |
23 | self.path = os.path.dirname(self.recipe_file) | |
24 | self.name = os.path.basename(self.path) | |
25 | except BaseException as e: | |
26 | logger.error("Failed to get the name of the test to this recipe") | |
27 | raise e | |
28 | ||
29 | self.log = logger.getChild(self.name) | |
30 | self.log.debug("Path of recipe is: {}".format(self.recipe_file)) | |
31 | self._recipe = None | |
32 | self._machines = None | |
33 | ||
34 | self.in_recursion = True | |
35 | if len(circle) == 0: | |
36 | self.in_recursion = False | |
37 | ||
38 | self.circle = circle | |
39 | self.log.debug("Recipes we have already included: {}".format(self.circle)) | |
40 | ||
41 | if not os.path.isfile(self.recipe_file): | |
42 | self.log.error("{} is not a file".format(self.recipe_file)) | |
43 | raise RecipeExeption("{} is not a file".format(self.recipe_file)()) | |
44 | ||
45 | try: | |
46 | with open(self.recipe_file) as fobj: | |
47 | self.raw_recipe = fobj.readlines() | |
48 | except FileNotFoundError as error: | |
49 | self.log.error("No such file: {}".format(vm_xml_file)) | |
50 | raise error | |
51 | ||
52 | @property | |
53 | def recipe(self): | |
54 | if not self._recipe: | |
55 | self.parse() | |
56 | ||
57 | return self._recipe | |
58 | ||
59 | @property | |
60 | def machines(self): | |
61 | if not self._machines: | |
62 | self._machines = [] | |
63 | for line in self._recipe: | |
64 | if line[0] != "all" and line[0] not in self._machines: | |
65 | self._machines.append(line[0]) | |
66 | ||
67 | return self._machines | |
68 | ||
69 | def parse(self): | |
70 | self._recipe = [] | |
71 | i = 1 | |
72 | for line in self.raw_recipe: | |
73 | raw_line = line.split(":", 1) | |
74 | if len(raw_line) < 2: | |
75 | self.log.error("Error parsing the recipe in line {}".format(i)) | |
76 | raise RecipeExeption("Error parsing the recipe in line {}".format(i)) | |
77 | cmd = raw_line[1].strip() | |
78 | raw_line = raw_line[0].strip().split(" ") | |
79 | if len(raw_line) == 0: | |
80 | self.log.error("Failed to parse the recipe in line {}".format(i)) | |
81 | raise RecipeExeption("Failed to parse the recipe in line {}".format(i)) | |
82 | ||
83 | if raw_line[0].strip() == "": | |
84 | self.log.error("Failed to parse the recipe in line {}".format(i)) | |
85 | raise RecipeExeption("Failed to parse the recipe in line {}".format(i)) | |
86 | ||
87 | machine = raw_line[0].strip() | |
88 | ||
89 | if len(raw_line) == 2: | |
90 | extra = raw_line[1].strip() | |
91 | else: | |
92 | extra = "" | |
93 | ||
94 | # We could get a machine here or a include statement | |
95 | if machine == "include": | |
96 | path = cmd.strip() | |
97 | path = os.path.normpath(self.path + "/" + path) | |
98 | path = path + "/recipe" | |
99 | if path in self.circle: | |
100 | self.log.error("Detect import loop!") | |
101 | raise RecipeExeption("Detect import loop!") | |
102 | self.circle.append(path) | |
103 | recipe_to_include = recipe(path, circle=self.circle) | |
104 | ||
105 | if machine == "include": | |
106 | self._recipe.extend(recipe_to_include.recipe) | |
107 | else: | |
108 | # Support also something like 'alice,bob: echo' | |
109 | machines = machine.split(",") | |
110 | for machine in machines: | |
111 | self._recipe.append((machine.strip(), extra.strip(), cmd.strip())) | |
112 | i = i + 1 | |
113 | ||
114 | if not self.in_recursion: | |
115 | tmp_recipe = [] | |
116 | for line in self._recipe: | |
117 | if line[0] != "all": | |
118 | tmp_recipe.append(line) | |
119 | else: | |
120 | for machine in self.machines: | |
121 | tmp_recipe.append((machine.strip(), line[1], line[2])) | |
122 | ||
123 | self._recipe = tmp_recipe |