# This test runs simple etcd cluster import ./make-test.nix ({ pkgs, ... } : let runWithOpenSSL = file: cmd: pkgs.runCommand file { buildInputs = [ pkgs.openssl ]; } cmd; ca_key = runWithOpenSSL "ca-key.pem" "openssl genrsa -out $out 2048"; ca_pem = runWithOpenSSL "ca.pem" '' openssl req \ -x509 -new -nodes -key ${ca_key} \ -days 10000 -out $out -subj "/CN=etcd-ca" ''; etcd_key = runWithOpenSSL "etcd-key.pem" "openssl genrsa -out $out 2048"; etcd_csr = runWithOpenSSL "etcd.csr" '' openssl req \ -new -key ${etcd_key} \ -out $out -subj "/CN=etcd" \ -config ${openssl_cnf} ''; etcd_cert = runWithOpenSSL "etcd.pem" '' openssl x509 \ -req -in ${etcd_csr} \ -CA ${ca_pem} -CAkey ${ca_key} \ -CAcreateserial -out $out \ -days 365 -extensions v3_req \ -extfile ${openssl_cnf} ''; etcd_client_key = runWithOpenSSL "etcd-client-key.pem" "openssl genrsa -out $out 2048"; etcd_client_csr = runWithOpenSSL "etcd-client-key.pem" '' openssl req \ -new -key ${etcd_client_key} \ -out $out -subj "/CN=etcd-client" \ -config ${client_openssl_cnf} ''; etcd_client_cert = runWithOpenSSL "etcd-client.crt" '' openssl x509 \ -req -in ${etcd_client_csr} \ -CA ${ca_pem} -CAkey ${ca_key} -CAcreateserial \ -out $out -days 365 -extensions v3_req \ -extfile ${client_openssl_cnf} ''; openssl_cnf = pkgs.writeText "openssl.cnf" '' ions = v3_req distinguished_name = req_distinguished_name [req_distinguished_name] [ v3_req ] basicConstraints = CA:FALSE keyUsage = digitalSignature, keyEncipherment extendedKeyUsage = serverAuth subjectAltName = @alt_names [alt_names] DNS.1 = node1 DNS.2 = node2 DNS.3 = node3 IP.1 = 127.0.0.1 ''; client_openssl_cnf = pkgs.writeText "client-openssl.cnf" '' ions = v3_req distinguished_name = req_distinguished_name [req_distinguished_name] [ v3_req ] basicConstraints = CA:FALSE keyUsage = digitalSignature, keyEncipherment extendedKeyUsage = clientAuth ''; nodeConfig = { services = { etcd = { enable = true; keyFile = etcd_key; certFile = etcd_cert; trustedCaFile = ca_pem; peerClientCertAuth = true; listenClientUrls = ["https://127.0.0.1:2379"]; listenPeerUrls = ["https://0.0.0.0:2380"]; }; }; environment.variables = { ETCDCTL_CERT_FILE = "${etcd_client_cert}"; ETCDCTL_KEY_FILE = "${etcd_client_key}"; ETCDCTL_CA_FILE = "${ca_pem}"; ETCDCTL_PEERS = "https://127.0.0.1:2379"; }; networking.firewall.allowedTCPPorts = [ 2380 ]; }; in { name = "etcd"; meta = with pkgs.stdenv.lib.maintainers; { maintainers = [ offline ]; }; nodes = { node1 = { ... }: { require = [nodeConfig]; services.etcd = { initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"]; initialAdvertisePeerUrls = ["https://node1:2380"]; }; }; node2 = { ... }: { require = [nodeConfig]; services.etcd = { initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"]; initialAdvertisePeerUrls = ["https://node2:2380"]; }; }; node3 = { ... }: { require = [nodeConfig]; services.etcd = { initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380" "node3=https://node3:2380"]; initialAdvertisePeerUrls = ["https://node3:2380"]; initialClusterState = "existing"; }; }; }; testScript = '' subtest "should start etcd cluster", sub { $node1->start(); $node2->start(); $node1->waitForUnit("etcd.service"); $node2->waitForUnit("etcd.service"); $node2->waitUntilSucceeds("etcdctl cluster-health"); $node1->succeed("etcdctl set /foo/bar 'Hello world'"); $node2->succeed("etcdctl get /foo/bar | grep 'Hello world'"); }; subtest "should add another member", sub { $node1->waitUntilSucceeds("etcdctl member add node3 https://node3:2380"); $node3->start(); $node3->waitForUnit("etcd.service"); $node3->waitUntilSucceeds("etcdctl member list | grep 'node3'"); $node3->succeed("etcdctl cluster-health"); }; subtest "should survive member crash", sub { $node3->crash; $node1->succeed("etcdctl cluster-health"); $node1->succeed("etcdctl set /foo/bar 'Hello degraded world'"); $node1->succeed("etcdctl get /foo/bar | grep 'Hello degraded world'"); }; ''; })