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etcd module: add test for simple one node etcd service

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This commit is contained in:
Jaka Hudoklin 2016-08-25 14:41:47 +02:00
parent 8256c07fc0
commit 0630233afa
3 changed files with 141 additions and 114 deletions
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4
nixos/modules/services/misc/etcd.nix
View File

@ -28,13 +28,13 @@ in {
listenClientUrls = mkOption {
description = "Etcd list of URLs to listen on for client traffic.";
default = ["http://localhost:2379"];
default = ["http://127.0.0.1:2379"];
type = types.listOf types.str;
};
listenPeerUrls = mkOption {
description = "Etcd list of URLs to listen on for peer traffic.";
default = ["http://localhost:2380"];
default = ["http://127.0.0.1:2380"];
type = types.listOf types.str;
};

128
nixos/tests/etcd-cluster.nix Normal file
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@ -0,0 +1,128 @@
# This test runs simple etcd cluster
import ./make-test.nix ({ pkgs, ... } : let
certs = pkgs.runCommand "certs" {
buildInputs = [pkgs.openssl];
} ''
mkdir -p $out
openssl genrsa -out $out/ca-key.pem 2048
openssl req -x509 -new -nodes -key $out/ca-key.pem -days 10000 -out $out/ca.pem -subj "/CN=etcd-ca"
cat << EOF > 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
EOF
openssl genrsa -out $out/etcd-key.pem 2048
openssl req -new -key $out/etcd-key.pem -out etcd.csr -subj "/CN=etcd" -config openssl.cnf
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
cat << EOF > client-openssl.cnf
ions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = digitalSignature, keyEncipherment
extendedKeyUsage = clientAuth
EOF
openssl genrsa -out $out/etcd-client-key.pem 2048
openssl req -new -key $out/etcd-client-key.pem -out etcd-client.csr -subj "/CN=etcd-client" -config client-openssl.cnf
openssl x509 -req -in etcd-client.csr -CA $out/ca.pem -CAkey $out/ca-key.pem -CAcreateserial -out $out/etcd-client.pem -days 365 -extensions v3_req -extfile client-openssl.cnf
'';
nodeConfig = {
services = {
etcd = {
enable = true;
keyFile = "${certs}/etcd-key.pem";
certFile = "${certs}/etcd.pem";
trustedCaFile = "${certs}/ca.pem";
peerClientCertAuth = true;
listenClientUrls = ["https://127.0.0.1:2379"];
listenPeerUrls = ["https://0.0.0.0:2380"];
};
};
environment.variables = {
ETCDCTL_CERT_FILE = "${certs}/etcd-client.pem";
ETCDCTL_KEY_FILE = "${certs}/etcd-client-key.pem";
ETCDCTL_CA_FILE = "${certs}/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 = { config, pkgs, nodes, ... }: {
require = [nodeConfig];
services.etcd = {
initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"];
initialAdvertisePeerUrls = ["https://node1:2380"];
};
};
node2 = { config, pkgs, ... }: {
require = [nodeConfig];
services.etcd = {
initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"];
initialAdvertisePeerUrls = ["https://node2:2380"];
};
};
node3 = { config, pkgs, ... }: {
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->succeed("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'");
};
'';
})

123
nixos/tests/etcd.nix
View File

@ -1,71 +1,6 @@
# This test runs simple etcd cluster
# This test runs simple etcd node
import ./make-test.nix ({ pkgs, ... } : let
certs = pkgs.runCommand "certs" {
buildInputs = [pkgs.openssl];
} ''
mkdir -p $out
openssl genrsa -out $out/ca-key.pem 2048
openssl req -x509 -new -nodes -key $out/ca-key.pem -days 10000 -out $out/ca.pem -subj "/CN=etcd-ca"
cat << EOF > 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
EOF
openssl genrsa -out $out/etcd-key.pem 2048
openssl req -new -key $out/etcd-key.pem -out etcd.csr -subj "/CN=etcd" -config openssl.cnf
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
cat << EOF > client-openssl.cnf
ions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = digitalSignature, keyEncipherment
extendedKeyUsage = clientAuth
EOF
openssl genrsa -out $out/etcd-client-key.pem 2048
openssl req -new -key $out/etcd-client-key.pem -out etcd-client.csr -subj "/CN=etcd-client" -config client-openssl.cnf
openssl x509 -req -in etcd-client.csr -CA $out/ca.pem -CAkey $out/ca-key.pem -CAcreateserial -out $out/etcd-client.pem -days 365 -extensions v3_req -extfile client-openssl.cnf
'';
nodeConfig = {
services = {
etcd = {
enable = true;
keyFile = "${certs}/etcd-key.pem";
certFile = "${certs}/etcd.pem";
trustedCaFile = "${certs}/ca.pem";
peerClientCertAuth = true;
listenClientUrls = ["https://127.0.0.1:2379"];
listenPeerUrls = ["https://0.0.0.0:2380"];
};
};
environment.variables = {
ETCDCTL_CERT_FILE = "${certs}/etcd-client.pem";
ETCDCTL_KEY_FILE = "${certs}/etcd-client-key.pem";
ETCDCTL_CA_FILE = "${certs}/ca.pem";
ETCDCTL_PEERS = "https://127.0.0.1:2379";
};
networking.firewall.allowedTCPPorts = [ 2380 ];
};
in {
import ./make-test.nix ({ pkgs, ... } : {
name = "etcd";
meta = with pkgs.stdenv.lib.maintainers; {
@ -73,56 +8,20 @@ in {
};
nodes = {
node1 = { config, pkgs, nodes, ... }: {
require = [nodeConfig];
services.etcd = {
initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"];
initialAdvertisePeerUrls = ["https://node1:2380"];
};
};
node2 = { config, pkgs, ... }: {
require = [nodeConfig];
services.etcd = {
initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380"];
initialAdvertisePeerUrls = ["https://node2:2380"];
};
};
node3 = { config, pkgs, ... }: {
require = [nodeConfig];
services.etcd = {
initialCluster = ["node1=https://node1:2380" "node2=https://node2:2380" "node3=https://node3:2380"];
initialAdvertisePeerUrls = ["https://node3:2380"];
initialClusterState = "existing";
};
node = { config, pkgs, nodes, ... }: {
services.etcd.enable = true;
};
};
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 start etcd node", sub {
$node->start();
$node->waitForUnit("etcd.service");
};
subtest "should add another member", sub {
$node1->succeed("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'");
};
subtest "should write and read some values to etcd", sub {
$node->succeed("etcdctl set /foo/bar 'Hello world'");
$node->succeed("etcdctl get /foo/bar | grep 'Hello world'");
}
'';
})