nixos/tests: adding jormungandr service test

nixos/tests/all-tests.nix

@@ -127,6 +127,7 @@ in
   jackett = handleTest ./jackett.nix {};
   jellyfin = handleTest ./jellyfin.nix {};
   jenkins = handleTest ./jenkins.nix {};
+  jormungandr = handleTest ./jormungandr.nix {};
   kafka = handleTest ./kafka.nix {};
   kerberos = handleTest ./kerberos/default.nix {};
   kernel-latest = handleTest ./kernel-latest.nix {};

nixos/tests/jormungandr.nix

@@ -0,0 +1,49 @@
+import ./make-test.nix ({ pkgs, ... }: {
+  name = "jormungandr";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ mmahut ];
+  };
+
+  nodes = {
+    bft = { ... }: {
+      environment.systemPackages = [ pkgs.jormungandr ];
+
+      services.jormungandr.enable = true;
+      services.jormungandr.genesisBlockFile = "/var/lib/jormungandr/block-0.bin";
+      services.jormungandr.secretFile = "/etc/secrets/jormungandr.yaml";
+    };
+  };
+
+  testScript = ''
+    startAll;
+
+    # Let's wait for the StateDirectory
+    $bft->waitForFile("/var/lib/jormungandr/");
+
+    # First, we generate the genesis file for our new blockchain
+    $bft->succeed("jcli genesis init > /root/genesis.yaml");
+
+    # We need to generate our secret key
+    $bft->succeed("jcli key generate --type=Ed25519 > /root/key.prv");
+
+    # We include the secret key into our services.jormungandr.secretFile
+    $bft->succeed("mkdir -p /etc/secrets");
+    $bft->succeed("echo -e \"bft:\\n signing_key:\" \$(cat /root/key.prv) > /etc/secrets/jormungandr.yaml");
+
+    # After that, we generate our public key from it
+    $bft->succeed("cat /root/key.prv | jcli key to-public > /root/key.pub");
+
+    # We add our public key as a consensus leader in the genesis configration file
+    $bft->succeed("sed -ie \"s/ed25519_pk1vvwp2s0n5jl5f4xcjurp2e92sj2awehkrydrlas4vgqr7xzt33jsadha32/\$(cat /root/key.pub)/\" /root/genesis.yaml");
+
+    # Now we can generate the genesis block from it
+    $bft->succeed("jcli genesis encode --input /root/genesis.yaml --output /var/lib/jormungandr/block-0.bin");
+
+    # We should have everything to start the service now
+    $bft->succeed("systemctl restart jormungandr");
+    $bft->waitForUnit("jormungandr.service");
+
+    # Now we can test if we are able to reach the REST API
+    $bft->waitUntilSucceeds("curl -L http://localhost:8607/api/v0/node/stats | grep uptime");
+  '';
+})