def test_init_terraform(self):
"""
Configure and initialize the backend.
"""
workflow.delete_files("**/*.json", "*.zip")
self.pretf.init()
def test_disabled(self):
delete_files("src/*", "out.zip")
# Use a different configuration that has enabled = false.
# It will not create an archive.
Path("src/one.txt").write_text("a")
outputs = self.apply("v2")
assert not outputs["output_md5"]
assert not outputs["search_results"]
assert not os.path.exists("out.zip")
def test_create(self):
workflow.delete_files("*.json")
with self.create("one.tf.json"):
one = yield variable.one(default=True)
yield output.one(value=one)
self.tf.init()
outputs = self.tf.apply()
assert outputs == {"one": True}
def test_create(self):
workflow.delete_files("*.json")
with self.create("one.tf.json"):
one = yield block("variable", "one", {"default": True})
yield block("output", "one", {"value": one})
self.tf.init()
outputs = self.tf.apply()
assert outputs == {"one": True}
def test_timestamps(self):
delete_files("src/*", "out.zip")
# Create an archive.
Path("src/one.txt").write_text("a")
when = time.mktime(datetime.datetime(2017, 7, 7, 7, 7, 7).timetuple())
os.utime("src/one.txt", (when, when))
outputs = self.apply("v1")
first_output_md5 = outputs["output_md5"]
assert os.path.exists("out.zip")
delete_files("out.zip")
# Change timestamps without affecting the hash.
when = time.mktime(datetime.datetime(2012, 2, 2, 2, 2, 2).timetuple())
os.utime("src/one.txt", (when, when))
outputs = self.apply("v1")
third_output_md5 = outputs["output_md5"]
assert third_output_md5 == first_output_md5
assert os.path.exists("out.zip")
def test_permissions(self):
delete_files("src/*", "out.zip")
# Create an archive.
Path("src/one.txt").write_text("a")
os.chmod("src/one.txt", 0o644)
outputs = self.apply("v1")
first_output_md5 = outputs["output_md5"]
assert os.path.exists("out.zip")
delete_files("out.zip")
# Change group permissions without affecting the hash.
os.chmod("src/one.txt", 0o666)
outputs = self.apply("v1")
second_output_md5 = outputs["output_md5"]
assert second_output_md5 == first_output_md5
assert os.path.exists("out.zip")
delete_files("out.zip")
# Change executable permissions and affect the hash.
os.chmod("src/one.txt", 0o744)
outputs = self.apply("v1")
third_output_md5 = outputs["output_md5"]
assert third_output_md5 != first_output_md5
assert os.path.exists("out.zip")
def test_changes(self):
delete_files("src/*", "out.zip")
# Create an archive.
Path("src/one.txt").write_text("a")
outputs = self.apply("v1")
assert outputs["search_results"] == ["one.txt"]
first_output_md5 = outputs["output_md5"]
assert os.path.exists("out.zip")
delete_files("out.zip")
# Add a second file and affect the hash and search results.
Path("src/two.txt").write_text("b")
outputs = self.apply("v1")
assert outputs["search_results"] == ["one.txt", "two.txt"]
second_output_md5 = outputs["output_md5"]
assert first_output_md5 != second_output_md5
assert os.path.exists("out.zip")
delete_files("out.zip")
# Change the file contents and affect the hash.
Path("src/two.txt").write_text("c")
outputs = self.apply("v1")
third_output_md5 = outputs["output_md5"]
assert third_output_md5 != second_output_md5
assert os.path.exists("out.zip")
def pretf_workflow(root_module=None):
if os.environ.get("GITHUB_COMMENT"):
return github_action(os.environ["GITHUB_COMMENT"])
# Check that the working directory contains a terraform.tfvars file.
# Those are the only directories which are set up to run Terraform.
# An error will be displayed when running from the wrong directory.
workflow.require_files("terraform.tfvars")
# Clean up files and links from previous failed executions.
workflow.delete_files()
workflow.delete_links()
# Link these files into the working directory
# as they are used by all stacks and environments.
created = workflow.link_files("*.tf", "*.tf.py", "*.tfvars", "*.tfvars.py")
# Link this root module into the working directory. The details must
# be passed in by the pretf.workflow.py files in the stack directories
# (different stacks can specify different modules).
if root_module:
created += workflow.link_module(**root_module)
# Create *.tf.json and *.tfvars.json files
# from *.tf.py and *.tfvars.py files.
created += workflow.create_files()
# Execute Terraform, raising an exception if it fails.
proc = workflow.execute_terraform()
# If it got this far, then it was successful.
# Clean up all of the files that were created.
workflow.clean_files(created)
# Return the execution result.
return proc
