def paas_manifest(environment, app, vars_file, out_file):
"""Generate a PaaS manifest file from a Jinja2 template"""
variables = load_variables(environment, vars_file, {
'environment': environment,
'app': app.replace('_', '-')
})
template_content = load_file('paas/{}.j2'.format(app))
variables = merge_dicts(variables, variables[app])
manifest_content = template_string(template_content, variables, templates_path='paas/')
if out_file is not None:
with open(out_file, 'w') as f:
f.write(manifest_content)
os.chmod(out_file, 0o600)
else:
print(manifest_content)
def paas_manifest(environment, app, vars_file, var, out_file):
"""Generate a PaaS manifest file from a Jinja2 template"""
variables = load_variables(environment, vars_file, {
'environment': environment,
'app': app.replace('_', '-')
})
template_file = f"paas/{app}.j2"
template_content = load_file(template_file)
variables = merge_dicts(variables, variables[app])
try:
variables = merge_dicts(
variables, get_variables_from_command_line_or_environment(var))
except KeyError as e:
sys.exit(
f"""Error: Command line variable "--var '{e.args[0]}'" was not set by the flag"""
""" and was not found in environment variables. Please check your environment is correctly configured."""
)
try:
manifest_content = template_string(template_content,
variables,
templates_path='paas/')
except UndefinedError as e:
# the UndefinedError.message is usually something like "'VAR' is undefined"
sys.exit(
f"""Error: The template '{template_file}' thinks that the variable {e.message}."""
""" Please check you have included all of the var files and command line vars that you need."""
)
if out_file is not None:
with open(out_file, 'w') as f:
f.write(manifest_content)
os.chmod(out_file, 0o600)
else:
print(manifest_content)
def test_template_loader_default_path(self, jinja_loader):
template_string('string', {})
jinja_loader.assert_called_with(DEFAULT_TEMPLATES_PATH)
def test_template_loader(self):
assert template_string('{% extends "base.j2" %}', {},
templates_path="tests/templates/")
def test_missing_variable(self):
with pytest.raises(ValueError):
assert template_string("{{ var }} string", {}) == "a string"
def test_template_dot_accessor(self):
assert(
template_string("{{ var.name }} string", {"var": {"name": "a"}})
== "a string"
)
def test_template_string(self):
assert template_string("{{ var }} string", {"var": "a"}) == "a string"
def test_simple_string(self):
assert template_string("string", {}) == "string"
