Merge pull request #6 from mlabs-haskell/t4/healthcheck

Author: t4ccer

README.md

@@ -22,7 +22,7 @@
 ## Prerequisites
 
 - nix
-- [arion](https://docs.hercules-ci.com/arion/#_installation)
+- arion - Use patched one from `nix develop`!
 - [nami wallet](https://namiwallet.io/) installed as browser extension
 - Funds in wallet obtained from [faucet](https://testnets.cardano.org/en/testnets/cardano/tools/faucet/)
 

arion-compose.nix

@@ -12,14 +12,35 @@ in {
   # ports = [ "host:container" ]
   config.services = {
     nft-marketplace.service = {
-      depends_on =
-        [ "cardano-transaction-lib-server" "nft-marketplace-server" ];
+      depends_on = {
+        nft-marketplace-server.condition = "service_healthy";
+        ogmios.condition = "service_healthy";
+        # TODO: Change to `service_healthy` when healthcheck endpoints are implemented
+        cardano-transaction-lib-server.condition = "service_started";
+        ogmios-datum-cache.condition = "service_started";
+      };
       image = "nginx:1.20.2-alpine";
       ports = [ "8080:80" ];
       volumes = [
         "${toString ./.}/nft-marketplace/build:/usr/share/nginx/html"
         "${toString ./.}/config/nginx.conf:/etc/nginx/nginx.conf"
       ];
+      healthcheck = {
+        test = [
+          "CMD"
+          "${pkgs.curl}/bin/curl"
+          "--location"
+          "--request"
+          "GET"
+          "nft-marketplace"
+          "-i"
+          "--fail"
+        ];
+        interval = "5s";
+        timeout = "5s";
+        retries = 3;
+      };
+      useHostStore = true;
     };
     cardano-transaction-lib-server.service = {
       command =
@@ -36,18 +57,20 @@ in {
         "--node-config"
         "/config/testnet-config.json"
       ];
-      depends_on = [ "cardano-node" ];
+      depends_on = { cardano-node.condition = "service_healthy"; };
       image = "cardanosolutions/ogmios:v5.2.0-testnet";
       ports = [ "1337:1337" ];
       volumes = [
         "${toString ./.}/data/cardano-node/ipc:/ipc"
         "${toString ./.}/config:/config"
       ];
-
     };
     ogmios-datum-cache.service = {
       command = [ "${ogmios-datum-cache}/bin/ogmios-datum-cache" ];
-      depends_on = [ "ogmios" "postgresql-db" "nft-marketplace-server" ];
+      depends_on = {
+        ogmios.condition = "service_healthy";
+        postgresql-db.condition = "service_healthy";
+      };
       ports = [ "9999:9999" ];
       useHostStore = true;
       volumes = [
@@ -63,6 +86,16 @@ in {
         "${toString ./.}/data/cardano-node/ipc:/ipc"
         "${toString ./.}/data/cardano-node/cardano-node-data:/data"
       ];
+      healthcheck = {
+        test = [
+          "CMD-SHELL"
+          "CARDANO_NODE_SOCKET_PATH=/ipc/node.socket /bin/cardano-cli query tip --testnet-magic 1097911063"
+        ];
+        interval = "10s";
+        timeout = "5s";
+        start_period = "15m";
+        retries = 3;
+      };
     };
     postgresql-db.service = {
       command = [ "-c" "stats_temp_directory=/tmp" ];
@@ -73,6 +106,12 @@ in {
       };
       image = "postgres:14";
       ports = [ "5432:5432" ];
+      healthcheck = {
+        test = [ "CMD" "pg_isready" "-U" "seabug" ];
+        interval = "5s";
+        timeout = "5s";
+        retries = 3;
+      };
       volumes =
         [ "${toString ./.}/data/postgres-data:/var/lib/postgresql/data" ];
     };
@@ -84,8 +123,23 @@ in {
         "--nft-storage-key"
         "NFT_STORAGE_KEY_HERE"
       ];
-      depends_on = [ "postgresql-db" ];
+      depends_on = { postgresql-db.condition = "service_healthy"; };
       ports = [ "8008:9999" ];
+      healthcheck = {
+        test = [
+          "CMD"
+          "${pkgs.curl}/bin/curl"
+          "--location"
+          "--request"
+          "GET"
+          "nft-marketplace-server:9999/healthz"
+          "-i"
+          "--fail"
+        ];
+        interval = "5s";
+        timeout = "5s";
+        retries = 3;
+      };
       useHostStore = true;
       restart = "always";
       volumes = [ "${toString ./.}/config/tmp:/tmp" ];

flake.lock

@@ -7,8 +7,12 @@
         "github:input-output-hk/cardano-node/73f9a746362695dc2cb63ba757fbcabb81733d23";
     };
     flake-utils = { url = "github:numtide/flake-utils"; };
+    # https://github.com/hercules-ci/arion/pull/153
+    arion = {
+      url = "github:t4ccer/arion/69b9109dea2b4d48f35c614456463bd0234e2e80";
+    };
   };
-  outputs = { self, nixpkgs, cardano-node, flake-utils }:
+  outputs = { self, nixpkgs, cardano-node, flake-utils, arion }:
     flake-utils.lib.eachDefaultSystem (system:
       let pkgs = nixpkgs.legacyPackages.${system};
       in rec {
@@ -19,6 +23,7 @@
             curl
             ipfs
             cardano-node.packages.${system}.cardano-cli
+            arion.packages.${system}.arion
           ];
         };
       });