8 files changed, 216 insertions, 1 deletions
diff --git a/tests/integration_tests/assets/keys/id_rsa.test1 b/tests/integration_tests/assets/keys/id_rsa.test1
new file mode 100644
index 00000000..bd4c822e
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test1
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEAtRlG96aJ23URvAgO/bBsuLl+lquc350aSwV98/i8vlvOn5GVcHye
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++MzlR122/JwlAbBo6Y2kWtB+y+XwBZ0BfyJsm2czDhKm7OI5KfuBNhq0tFfKwOlYBq4QAA
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+/FMBnjzS9/3SWfLuBOSm9heNCHs2jdGNb8cPdKZuY7S9Fx6KuVUPyTbSSYkjj0F4fTeC9g
+0ym4p4UWYdF67WSWwLORkaG8K0d+G/CXkz8hvKUg6gcZWKBHAE1ROrHu1nsc8v7mkiKq4I
+bnTw5Q9TgjbWcQWtgPq0wXyyl/K8S1SFdkMCTOHDD0RQ+jTV2WNGVwFTodIRHenX+Rw2g4
+CHbTWbsFrHR1qFAAAACmphbWVzQG5ld3Q=
+-----END OPENSSH PRIVATE KEY-----
diff --git a/tests/integration_tests/assets/keys/id_rsa.test1.pub b/tests/integration_tests/assets/keys/id_rsa.test1.pub
new file mode 100644
index 00000000..3d2e26e1
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test1.pub
@@ -0,0 +1 @@
+ssh-rsa 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 test1@host
diff --git a/tests/integration_tests/assets/keys/id_rsa.test2 b/tests/integration_tests/assets/keys/id_rsa.test2
new file mode 100644
index 00000000..5854d901
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test2
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEAvK50D2PWOc4ikyHVRJS6tDhqzjL5cKiivID4p1X8BYCVw83XAEGO
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+tZRSm2GEgnDGAvAAAACmphbWVzQG5ld3Q=
+-----END OPENSSH PRIVATE KEY-----
diff --git a/tests/integration_tests/assets/keys/id_rsa.test2.pub b/tests/integration_tests/assets/keys/id_rsa.test2.pub
new file mode 100644
index 00000000..f3831a57
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test2.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQC8rnQPY9Y5ziKTIdVElLq0OGrOMvlwqKK8gPinVfwFgJXDzdcAQY4uci1TJVcc0AOWHp+lWrU1joDYlW3KCg8XpkXHymHshYyaeEN2fEsvIaxuF3UzW2JckP9H7dacYdEng8qtBq8wuCodGuJ5XdBVV+MVJ6jqNf/hOu4/pma8hMxlYmtdoamHEn+k/KQR2Q6LwCYpT0U2+KiPI9Lac22P0H/rfkh2Ba+t3tV/lhyzD0xHnktZKJ3BrznpEfrZiXoukQZMebWUmIyTW7zwk9Kq+iGFpSQsqQWlxDBwHSbvpbUo7KWUmyZfxs1euVmwj5aKJgjteXm9CbbXsMS415q+08C0MzG7weZODZQnnk1rF6Ft97aXHaTmRgYbDeLU7U5U3alnb84HvUu5xh3/mrE9rPTfCzBwY4lgY+Q1zjS90RL9Jxzti3weydm7OqTI6DOfQeJQLOhhRgthOkt/7IabDFLIARjTnpo5+QKxugoc4qI6aUnE1plkVCRfV696ngM= test2@host
diff --git a/tests/integration_tests/assets/keys/id_rsa.test3 b/tests/integration_tests/assets/keys/id_rsa.test3
new file mode 100644
index 00000000..2596c762
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test3
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEApPG4MdkYQKD57/qreFrh9GRC22y66qZOWZWRjC887rrbvBzO69hV
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+eauhOY52PS/BcAAAAKamFtZXNAbmV3dAE=
+-----END OPENSSH PRIVATE KEY-----
diff --git a/tests/integration_tests/assets/keys/id_rsa.test3.pub b/tests/integration_tests/assets/keys/id_rsa.test3.pub
new file mode 100644
index 00000000..057db632
--- /dev/null
+++ b/tests/integration_tests/assets/keys/id_rsa.test3.pub
@@ -0,0 +1 @@
+ssh-rsa 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 test3@host
diff --git a/tests/integration_tests/modules/test_ssh_keysfile.py b/tests/integration_tests/modules/test_ssh_keysfile.py
new file mode 100644
index 00000000..f82d7649
--- /dev/null
+++ b/tests/integration_tests/modules/test_ssh_keysfile.py
@@ -0,0 +1,85 @@
+import paramiko
+import pytest
+from io import StringIO
+from paramiko.ssh_exception import SSHException
+
+from tests.integration_tests.instances import IntegrationInstance
+from tests.integration_tests.util import get_test_rsa_keypair
+
+TEST_USER1_KEYS = get_test_rsa_keypair('test1')
+TEST_USER2_KEYS = get_test_rsa_keypair('test2')
+TEST_DEFAULT_KEYS = get_test_rsa_keypair('test3')
+
+USERDATA = """\
+#cloud-config
+bootcmd:
+ - sed -i 's;#AuthorizedKeysFile.*;AuthorizedKeysFile /etc/ssh/authorized_keys %h/.ssh/authorized_keys2;' /etc/ssh/sshd_config
+ssh_authorized_keys:
+ - {default}
+users:
+- default
+- name: test_user1
+  ssh_authorized_keys:
+    - {user1}
+- name: test_user2
+  ssh_authorized_keys:
+    - {user2}
+""".format(  # noqa: E501
+    default=TEST_DEFAULT_KEYS.public_key,
+    user1=TEST_USER1_KEYS.public_key,
+    user2=TEST_USER2_KEYS.public_key,
+)
+
+
+@pytest.mark.ubuntu
+@pytest.mark.user_data(USERDATA)
+def test_authorized_keys(client: IntegrationInstance):
+    expected_keys = [
+        ('test_user1', '/home/test_user1/.ssh/authorized_keys2',
+         TEST_USER1_KEYS),
+        ('test_user2', '/home/test_user2/.ssh/authorized_keys2',
+         TEST_USER2_KEYS),
+        ('ubuntu', '/home/ubuntu/.ssh/authorized_keys2',
+         TEST_DEFAULT_KEYS),
+        ('root', '/root/.ssh/authorized_keys2', TEST_DEFAULT_KEYS),
+    ]
+
+    for user, filename, keys in expected_keys:
+        contents = client.read_from_file(filename)
+        if user in ['ubuntu', 'root']:
+            # Our personal public key gets added by pycloudlib
+            lines = contents.split('\n')
+            assert len(lines) == 2
+            assert keys.public_key.strip() in contents
+        else:
+            assert contents.strip() == keys.public_key.strip()
+
+        # Ensure we can actually connect
+        ssh = paramiko.SSHClient()
+        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        paramiko_key = paramiko.RSAKey.from_private_key(StringIO(
+            keys.private_key))
+
+        # Will fail with AuthenticationException if
+        # we cannot connect
+        ssh.connect(
+            client.instance.ip,
+            username=user,
+            pkey=paramiko_key,
+            look_for_keys=False,
+            allow_agent=False,
+        )
+
+        # Ensure other uses can't connect using our key
+        other_users = [u[0] for u in expected_keys if u[2] != keys]
+        for other_user in other_users:
+            with pytest.raises(SSHException):
+                print('trying to connect as {} with key from {}'.format(
+                    other_user, user))
+                ssh.connect(
+                    client.instance.ip,
+                    username=other_user,
+                    pkey=paramiko_key,
+                    look_for_keys=False,
+                    allow_agent=False,
+                )
diff --git a/tests/integration_tests/util.py b/tests/integration_tests/util.py
index 8d726bb2..ce62ffc8 100644
--- a/tests/integration_tests/util.py
+++ b/tests/integration_tests/util.py
@@ -3,12 +3,15 @@ import multiprocessing
 import os
 import time
 from contextlib import contextmanager
+from collections import namedtuple
 from pathlib import Path
 
-log = logging.getLogger('integration_testing')
 
+log = logging.getLogger('integration_testing')
+key_pair = namedtuple('key_pair', 'public_key private_key')
 
 ASSETS_DIR = Path('tests/integration_tests/assets')
+KEY_PATH = ASSETS_DIR / 'keys'
 
 
 def verify_ordered_items_in_text(to_verify: list, text: str):
@@ -51,3 +54,13 @@ def emit_dots_on_travis():
         yield
     finally:
         dot_process.terminate()
+
+
+def get_test_rsa_keypair(key_name: str = 'test1') -> key_pair:
+    private_key_path = KEY_PATH / 'id_rsa.{}'.format(key_name)
+    public_key_path = KEY_PATH / 'id_rsa.{}.pub'.format(key_name)
+    with public_key_path.open() as public_file:
+        public_key = public_file.read()
+    with private_key_path.open() as private_file:
+        private_key = private_file.read()
+    return key_pair(public_key, private_key)