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nixosTests.google-oslogin: port to python

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also use a .ssh/config instead of passing the same options over and over
again
This commit is contained in:
Florian Klink 2019-11-24 01:27:22 +01:00
parent d95112aa73
commit cfaaa524e3
1 changed files with 36 additions and 18 deletions
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54
nixos/tests/google-oslogin/default.nix
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@ -1,7 +1,14 @@
import ../make-test.nix ({ pkgs, ... } :
import ../make-test-python.nix ({ pkgs, ... } :
let
inherit (import ./../ssh-keys.nix pkgs)
snakeOilPrivateKey snakeOilPublicKey;
# don't check host keys or known hosts, use the snakeoil ssh key
ssh-config = builtins.toFile "ssh.conf" ''
UserKnownHostsFile=/dev/null
StrictHostKeyChecking=no
IdentityFile=~/.ssh/id_snakeoil
'';
in {
name = "google-oslogin";
meta = with pkgs.stdenv.lib.maintainers; {
@ -15,38 +22,49 @@ in {
client = { ... }: {};
};
testScript = ''
startAll;
start_all()
$server->waitForUnit("mock-google-metadata.service");
$server->waitForOpenPort(80);
server.wait_for_unit("mock-google-metadata.service")
server.wait_for_open_port(80)
# mockserver should return a non-expired ssh key for both mockuser and mockadmin
$server->succeed('${pkgs.google-compute-engine-oslogin}/bin/google_authorized_keys mockuser | grep -q "${snakeOilPublicKey}"');
$server->succeed('${pkgs.google-compute-engine-oslogin}/bin/google_authorized_keys mockadmin | grep -q "${snakeOilPublicKey}"');
server.succeed(
'${pkgs.google-compute-engine-oslogin}/bin/google_authorized_keys mockuser | grep -q "${snakeOilPublicKey}"'
)
server.succeed(
'${pkgs.google-compute-engine-oslogin}/bin/google_authorized_keys mockadmin | grep -q "${snakeOilPublicKey}"'
)
# install snakeoil ssh key on the client
$client->succeed("mkdir -p ~/.ssh");
$client->succeed("cat ${snakeOilPrivateKey} > ~/.ssh/id_snakeoil");
$client->succeed("chmod 600 ~/.ssh/id_snakeoil");
# install snakeoil ssh key on the client, and provision .ssh/config file
client.succeed("mkdir -p ~/.ssh")
client.succeed(
"cat ${snakeOilPrivateKey} > ~/.ssh/id_snakeoil"
)
client.succeed("chmod 600 ~/.ssh/id_snakeoil")
client.succeed("cp ${ssh-config} ~/.ssh/config")
$client->waitForUnit("network.target");
$server->waitForUnit("sshd.service");
client.wait_for_unit("network.target")
server.wait_for_unit("sshd.service")
# we should not be able to connect as non-existing user
$client->fail("ssh -o User=ghost -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no server -i ~/.ssh/id_snakeoil 'true'");
client.fail("ssh ghost@server 'true'")
# we should be able to connect as mockuser
$client->succeed("ssh -o User=mockuser -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no server -i ~/.ssh/id_snakeoil 'true'");
client.succeed("ssh mockuser@server 'true'")
# but we shouldn't be able to sudo
$client->fail("ssh -o User=mockuser -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no server -i ~/.ssh/id_snakeoil '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'");
client.fail(
"ssh mockuser@server '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'"
)
# we should also be able to log in as mockadmin
$client->succeed("ssh -o User=mockadmin -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no server -i ~/.ssh/id_snakeoil 'true'");
client.succeed("ssh mockadmin@server 'true'")
# pam_oslogin_admin.so should now have generated a sudoers file
$server->succeed("find /run/google-sudoers.d | grep -q '/run/google-sudoers.d/mockadmin'");
server.succeed("find /run/google-sudoers.d | grep -q '/run/google-sudoers.d/mockadmin'")
# and we should be able to sudo
$client->succeed("ssh -o User=mockadmin -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no server -i ~/.ssh/id_snakeoil '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'");
client.succeed(
"ssh mockadmin@server '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'"
)
'';
})