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Packer debugging with --debug #20

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Merged
obilodeau merged 1 commit into from
Jan 8, 2017
Merged

Packer debugging with --debug #20

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18 changes: 13 additions & 5 deletions malboxes/malboxes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -267,11 +267,16 @@ def cleanup():
os.remove(os.path.join(DIRS.user_cache_dir, f))


def run_foreground(command):
def run_foreground(command, env=None):
if DEBUG:
print("DEBUG: Executing {}".format(command))

cmd_env = os.environ.copy()
if env is not None:
cmd_env.update(env)

p = subprocess.Popen(command, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stderr=subprocess.STDOUT, env=cmd_env)
try:
for line in iter(p.stdout.readline, b''):
print(line.rstrip().decode('utf-8'))
Expand Down Expand Up @@ -312,14 +317,17 @@ def run_packer(packer_tmpl, args):
f.write(jsmin(config.read()))
f.close()

flags = ['-var-file={}'.format(f.name)]
if DEBUG:
flags.append('-debug')
special_env = {'PACKER_LOG': '1'}
else:
special_env = None

flags = ['-var-file={}'.format(f.name)]

cmd = [binary, 'build']
cmd.extend(flags)
cmd.append(packer_tmpl)
ret = run_foreground(cmd)
ret = run_foreground(cmd, special_env)

finally:
os.chdir(prev_cwd)
Expand Down