2 # Script to read build configs in /etc/build_conf.py, turn the configuration into command lines and execute it
7 # Assemble a list of builds from a single build spec
8 def interpret_build(build, param_names, current_concrete_build={}, concrete_build_list=[]):
10 concrete_build_list.extend([current_concrete_build])
12 (cur_param_name,remaining_param_names)=(param_names[0],param_names[1:])
13 cur_param = build[cur_param_name]
15 # If it's a list, produce a concrete build for each element of the list
16 if (type(cur_param)==type([])):
17 for value in cur_param:
18 new_concrete_build = current_concrete_build.copy()
19 new_concrete_build[cur_param_name] = value
20 concrete_build_list = interpret_build(build, remaining_param_names, new_concrete_build, concrete_build_list)
22 # If not, just tack on the value and move on
24 current_concrete_build[cur_param_name] = cur_param
25 concrete_build_list = interpret_build(build, remaining_param_names, current_concrete_build,concrete_build_list)
27 return concrete_build_list
30 # Fill in parameters that are not defined in __default_build__
31 def complete_build_spec_with_defaults (build, default_build):
32 for default_param in default_build.keys():
33 if (not build.has_key(default_param)):
34 build[default_param]=default_build[default_param]
38 # Turn a concrete build into a commandline
40 def concrete_build_to_commandline(concrete_build):
44 -b %(pldistro)s-%(fcdistro)s-%(arch)s-%(myplcversion)s-%(release)s-%(date)s
51 -w %(webpath)s/%(pldistro)s/%(fcdistro)s
52 %(runtests)s'''.replace('\n','')
54 cmdline = cmdline % concrete_build
56 purge_spaces = re.compile('\s+')
58 return purge_spaces.sub(' ', cmdline)
61 # reduce dependencies in a build
62 def reduce_dependencies(concrete_build):
63 for b in concrete_build.keys():
64 val = concrete_build[b]
65 if (type(val)==type(lambda x:x)):
66 concrete_build[b] = val(concrete_build)
70 # Turn build parameter dicts into commandlines and execute them
71 def process_builds (builds, build_names, default_build):
72 for build_name in build_names:
73 build = complete_build_spec_with_defaults (builds[build_name], default_build)
74 concrete_builds_without_deps = interpret_build (build, build.keys())
75 concrete_builds = map(lambda cb: reduce_dependencies(cb), concrete_builds_without_deps)
76 for concrete_build in concrete_builds:
77 build_commandline = concrete_build_to_commandline(concrete_build)
78 os.system(build_commandline)
81 config_file = '/etc/build-conf-planetlab.py'
84 execfile(config_file, builds)
86 raise IOError, "Could not open %s\n" % config_file
89 config_file_attributes = builds.keys()
90 build_names = [e for e in config_file_attributes if not e.startswith('__')]
93 default_build = builds['__default_build__']
95 raise KeyError, "Please define the default build config in %s\n" % config_file
97 process_builds(builds, build_names, default_build)
100 if __name__ == "__main__":