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