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|
"""Integration test for the write_files module.
This test specifies files to be created by the ``write_files`` module
and then checks if those files were created during boot.
(This is ported from
``tests/cloud_tests/testcases/modules/write_files.yaml``.)"""
import base64
import pytest
ASCII_TEXT = "ASCII text"
B64_CONTENT = base64.b64encode(ASCII_TEXT.encode("utf-8"))
# NOTE: the binary data can be any binary data, not only executables
# and can be generated via the base 64 command as such:
# $ base64 < hello > hello.txt
# the opposite is running:
# $ base64 -d < hello.txt > hello
#
USER_DATA = """\
#cloud-config
users:
- default
- name: myuser
write_files:
- encoding: b64
content: {}
owner: root:root
path: /root/file_b64
permissions: '0644'
- content: |
# My new /root/file_text
SMBDOPTIONS="-D"
path: /root/file_text
- content: !!binary |
/Z/xrHR4WINT0UNoKPQKbuovp6+Js+JK
path: /root/file_binary
permissions: '0555'
- encoding: gzip
content: !!binary |
H4sIAIDb/U8C/1NW1E/KzNMvzuBKTc7IV8hIzcnJVyjPL8pJ4QIA6N+MVxsAAAA=
path: /root/file_gzip
permissions: '0755'
- path: '/home/testuser/my-file'
content: |
echo 'hello world!'
defer: true
owner: 'myuser'
permissions: '0644'
append: true
""".format(
B64_CONTENT.decode("ascii")
)
@pytest.mark.ci
@pytest.mark.user_data(USER_DATA)
class TestWriteFiles:
@pytest.mark.parametrize(
"cmd,expected_out",
(
("file /root/file_b64", ASCII_TEXT),
("md5sum </root/file_binary", "3801184b97bb8c6e63fa0e1eae2920d7"),
(
"sha256sum </root/file_binary",
"2c791c4037ea5bd7e928d6a87380f8ba"
"7a803cd83d5e4f269e28f5090f0f2c9a",
),
(
"file /root/file_gzip",
"POSIX shell script, ASCII text executable",
),
("file /root/file_text", ASCII_TEXT),
),
)
def test_write_files(self, cmd, expected_out, class_client):
out = class_client.execute(cmd)
assert expected_out in out
def test_write_files_deferred(self, class_client):
"""Test that write files deferred works as expected.
Users get created after write_files module runs, so ensure that
with `defer: true`, the file gets written with correct ownership.
"""
out = class_client.read_from_file("/home/testuser/my-file")
assert "echo 'hello world!'" == out
assert (
class_client.execute('stat -c "%U %a" /home/testuser/my-file')
== "myuser 644"
)
# Assert write_files per-instance is honored and run only once.
# Given append: true multiple runs across would append new content.
class_client.restart()
out = class_client.read_from_file("/home/testuser/my-file")
assert "echo 'hello world!'" == out
|
