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Merge pull request #13 from beelit94/bug/fix-output-args

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fix https://github.com/beelit94/python-terraform/issues/12
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beelit94 2017-08-04 16:19:10 -07:00 committed by GitHub
commit 58c1146387
3 changed files with 48 additions and 23 deletions
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2
.travis.yml
View file

@ -5,7 +5,7 @@ python:
- '3.6'
before_install: sudo apt-get install unzip
before_script:
- export TFVER=0.9.5
- export TFVER=0.10.0
- export TFURL=https://releases.hashicorp.com/terraform/
- TFURL+=$TFVER
- TFURL+="/terraform_"

10
python_terraform/__init__.py
View file

@ -35,7 +35,7 @@ class Terraform(object):
var_file=None,
terraform_bin_path=None,
is_env_vars_included=True):
"""
"""
:param working_dir: the folder of the working folder, if not given,
will be current working folder
:param targets: list of target
@ -49,7 +49,7 @@ class Terraform(object):
could be string or list, list stands for multiple -var-file option
:param terraform_bin_path: binary path of terraform
:type is_env_vars_included: bool
:param is_env_vars_included: included env variables when calling terraform cmd
:param is_env_vars_included: included env variables when calling terraform cmd
"""
self.is_env_vars_included = is_env_vars_included
self.working_dir = working_dir
@ -250,13 +250,15 @@ class Terraform(object):
else:
return ret_code, None, None
def output(self, name):
def output(self, name, *args, **kwargs):
"""
https://www.terraform.io/docs/commands/output.html
:param name: name of output
:return: output value
"""
ret, out, err = self.cmd('output', name, json=IsFlagged)
ret, out, err = self.cmd(
'output', name, json=IsFlagged, *args, **kwargs)
log.debug('output raw string: {0}'.format(out))
if ret != 0:

59
test/test_terraform.py
View file

@ -8,11 +8,10 @@ import os
import logging
import re
import shutil
import fnmatch
logging.basicConfig(level=logging.DEBUG)
root_logger = logging.getLogger()
# ch = logging.StreamHandler(sys.stdout)
# root_logger.addHandler(ch)
current_path = os.path.dirname(os.path.realpath(__file__))
STRING_CASES = [
@ -30,20 +29,22 @@ STRING_CASES = [
]
CMD_CASES = [
['method', 'expected_output', 'expected_ret_code', 'expected_logs'],
['method', 'expected_output', 'expected_ret_code', 'expected_logs', 'folder'],
[
[
lambda x: x.cmd('plan', 'var_to_output', no_color=IsFlagged, var={'test_var': 'test'}) ,
"doesn't need to do anything",
0,
''
'',
'var_to_output'
],
# try import aws instance
[
lambda x: x.cmd('import', 'aws_instance.foo', 'i-abcd1234', no_color=IsFlagged),
'',
1,
'command: terraform import -no-color aws_instance.foo i-abcd1234'
'command: terraform import -no-color aws_instance.foo i-abcd1234',
''
]
]
]
@ -71,9 +72,10 @@ def string_logger(request):
def td():
root_logger.removeHandler(handler)
log_stream.close()
request.addfinalizer(td)
return log_stream
return lambda: str(log_stream.getvalue())
class TestTerraform(object):
@ -83,12 +85,16 @@ class TestTerraform(object):
"""
def purge(dir, pattern):
for f in os.listdir(dir):
if re.search(pattern, f):
if os.path.isfile(f):
os.remove(os.path.join(dir, f))
for root, dirnames, filenames in os.walk(dir):
for filename in fnmatch.filter(filenames, pattern):
f = os.path.join(root, filename)
os.remove(f)
for dirname in fnmatch.filter(dirnames, pattern):
d = os.path.join(root, dirname)
shutil.rmtree(d)
purge('.', '.tfstate')
purge('.', '*.tfstate')
purge('.', '*.terraform')
@pytest.mark.parametrize([
"method", "expected"
@ -102,10 +108,11 @@ class TestTerraform(object):
assert s in result
@pytest.mark.parametrize(*CMD_CASES)
def test_cmd(self, method, expected_output, expected_ret_code, expected_logs, string_logger):
def test_cmd(self, method, expected_output, expected_ret_code, expected_logs, string_logger, folder):
tf = Terraform(working_dir=current_path)
tf.init(folder)
ret, out, err = method(tf)
logs = str(string_logger.getvalue())
logs = string_logger()
logs = logs.replace('\n', '')
assert expected_output in out
assert expected_ret_code == ret
@ -123,6 +130,8 @@ class TestTerraform(object):
])
def test_apply(self, folder, variables, var_files, expected_output, options):
tf = Terraform(working_dir=current_path, variables=variables, var_file=var_files)
# after 0.10.0 we always need to init
tf.init(folder)
ret, out, err = tf.apply(folder, **options)
assert ret == 0
assert expected_output in out.replace('\n', '').replace(' ', '')
@ -160,6 +169,7 @@ class TestTerraform(object):
)
def test_override_default(self, folder, variables):
tf = Terraform(working_dir=current_path, variables=variables)
tf.init(folder)
ret, out, err = tf.apply(folder, var={'test_var': 'test2'},
no_color=IsNotFlagged)
out = out.replace('\n', '')
@ -167,13 +177,28 @@ class TestTerraform(object):
out = tf.output('test_output')
assert 'test2' in out
def test_get_output(self):
@pytest.mark.parametrize(
("param"),
[
({}),
({'module': 'test2'}),
]
)
def test_output(self, param, string_logger):
tf = Terraform(working_dir=current_path, variables={'test_var': 'test'})
tf.init('var_to_output')
tf.apply('var_to_output')
assert tf.output('test_output') == 'test'
result = tf.output('test_output', **param)
regex = re.compile('terraform output (-module=test2 -json|-json -module=test2) test_output')
log_str = string_logger()
if param:
assert re.search(regex, log_str), log_str
else:
assert result == 'test'
def test_destroy(self):
tf = Terraform(working_dir=current_path, variables={'test_var': 'test'})
tf.init('var_to_output')
ret, out, err = tf.destroy('var_to_output')
assert ret == 0
assert 'Destroy complete! Resources: 0 destroyed.' in out
@ -197,6 +222,4 @@ class TestTerraform(object):
def test_import(self, string_logger):
tf = Terraform(working_dir=current_path)
tf.import_cmd('aws_instance.foo', 'i-abc1234', no_color=IsFlagged)
logs = string_logger.getvalue()
print(logs)
assert 'command: terraform import -no-color aws_instance.foo i-abc1234' in logs
assert 'command: terraform import -no-color aws_instance.foo i-abc1234' in string_logger()