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nixosTests.proxy: Port to python

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This commit is contained in:
Jacek Galowicz 2020-01-26 13:04:36 +01:00
parent 4df1df986d
commit ee2acd6c6c
1 changed files with 67 additions and 74 deletions
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141
nixos/tests/proxy.nix
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@ -1,97 +1,90 @@
import ./make-test.nix ({ pkgs, ...} :
import ./make-test-python.nix ({ pkgs, ...} :
let
backend =
{ pkgs, ... }:
{ services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
services.httpd.virtualHosts.localhost.documentRoot = "${pkgs.valgrind.doc}/share/doc/valgrind/html";
networking.firewall.allowedTCPPorts = [ 80 ];
backend = { pkgs, ... }: {
services.httpd = {
enable = true;
adminAddr = "foo@example.org";
virtualHosts.localhost.documentRoot = "${pkgs.valgrind.doc}/share/doc/valgrind/html";
};
in
{
networking.firewall.allowedTCPPorts = [ 80 ];
};
in {
name = "proxy";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ eelco ];
};
nodes =
{ proxy =
{ nodes, ... }:
nodes = {
proxy = { nodes, ... }: {
services.httpd = {
enable = true;
adminAddr = "bar@example.org";
extraModules = [ "proxy_balancer" "lbmethod_byrequests" ];
extraConfig = ''
ExtendedStatus on
'';
virtualHosts.localhost = {
extraConfig = ''
<Location /server-status>
Require all granted
SetHandler server-status
</Location>
{ services.httpd.enable = true;
services.httpd.adminAddr = "bar@example.org";
services.httpd.extraModules = [ "proxy_balancer" "lbmethod_byrequests" ];
services.httpd.extraConfig = ''
ExtendedStatus on
<Proxy balancer://cluster>
Require all granted
BalancerMember http://${nodes.backend1.config.networking.hostName} retry=0
BalancerMember http://${nodes.backend2.config.networking.hostName} retry=0
</Proxy>
ProxyStatus full
ProxyPass /server-status !
ProxyPass / balancer://cluster/
ProxyPassReverse / balancer://cluster/
# For testing; don't want to wait forever for dead backend servers.
ProxyTimeout 5
'';
services.httpd.virtualHosts.localhost = {
extraConfig = ''
<Location /server-status>
Require all granted
SetHandler server-status
</Location>
<Proxy balancer://cluster>
Require all granted
BalancerMember http://${nodes.backend1.config.networking.hostName} retry=0
BalancerMember http://${nodes.backend2.config.networking.hostName} retry=0
</Proxy>
ProxyStatus full
ProxyPass /server-status !
ProxyPass / balancer://cluster/
ProxyPassReverse / balancer://cluster/
# For testing; don't want to wait forever for dead backend servers.
ProxyTimeout 5
'';
};
networking.firewall.allowedTCPPorts = [ 80 ];
};
backend1 = backend;
backend2 = backend;
client = { ... }: { };
};
networking.firewall.allowedTCPPorts = [ 80 ];
};
testScript =
''
startAll;
backend1 = backend;
backend2 = backend;
$proxy->waitForUnit("httpd");
$backend1->waitForUnit("httpd");
$backend2->waitForUnit("httpd");
$client->waitForUnit("network.target");
client = { ... }: { };
};
# With the back-ends up, the proxy should work.
$client->succeed("curl --fail http://proxy/");
testScript = ''
start_all()
$client->succeed("curl --fail http://proxy/server-status");
proxy.wait_for_unit("httpd")
backend1.wait_for_unit("httpd")
backend2.wait_for_unit("httpd")
client.wait_for_unit("network.target")
# Block the first back-end.
$backend1->block;
# With the back-ends up, the proxy should work.
client.succeed("curl --fail http://proxy/")
# The proxy should still work.
$client->succeed("curl --fail http://proxy/");
client.succeed("curl --fail http://proxy/server-status")
$client->succeed("curl --fail http://proxy/");
# Block the first back-end.
backend1.block()
# Block the second back-end.
$backend2->block;
# The proxy should still work.
client.succeed("curl --fail http://proxy/")
client.succeed("curl --fail http://proxy/")
# Now the proxy should fail as well.
$client->fail("curl --fail http://proxy/");
# Block the second back-end.
backend2.block()
# But if the second back-end comes back, the proxy should start
# working again.
$backend2->unblock;
$client->succeed("curl --fail http://proxy/");
'';
# Now the proxy should fail as well.
client.fail("curl --fail http://proxy/")
# But if the second back-end comes back, the proxy should start
# working again.
backend2.unblock()
client.succeed("curl --fail http://proxy/")
'';
})