diff options
Diffstat (limited to 'nixos/tests/etcd-cluster.nix')
| -rw-r--r-- | nixos/tests/etcd-cluster.nix | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/nixos/tests/etcd-cluster.nix b/nixos/tests/etcd-cluster.nix new file mode 100644 index 00000000000..410cb654794 --- /dev/null +++ b/nixos/tests/etcd-cluster.nix @@ -0,0 +1,154 @@ +# This test runs simple etcd cluster + +import ./make-test-python.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.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 = '' + with subtest("should start etcd cluster"): + node1.start() + node2.start() + node1.wait_for_unit("etcd.service") + node2.wait_for_unit("etcd.service") + node2.wait_until_succeeds("etcdctl cluster-health") + node1.succeed("etcdctl set /foo/bar 'Hello world'") + node2.succeed("etcdctl get /foo/bar | grep 'Hello world'") + + with subtest("should add another member"): + node1.wait_until_succeeds("etcdctl member add node3 https://node3:2380") + node3.start() + node3.wait_for_unit("etcd.service") + node3.wait_until_succeeds("etcdctl member list | grep 'node3'") + node3.succeed("etcdctl cluster-health") + + with subtest("should survive member crash"): + 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'") + ''; +}) |