add consul-nomad setup

consul-nomad/frontend.nomad

@@ -0,0 +1,131 @@
+job "frontend" {
+  datacenters = ["dc1"]
+
+  type = "service"
+
+  group "frontend" {
+    count = 1
+
+    scaling {
+      enabled = true
+      min = 1
+      max = 3
+    }
+
+    consul {
+      namespace = "hashicups"
+    }
+
+    update {
+      max_parallel     = 1
+      min_healthy_time = "30s"
+      healthy_deadline = "1m"
+    }
+
+    network {
+      mode = "bridge"
+      port "http" {
+        to = 3000
+      }
+      port "envoy_metrics" {
+        to = 9102
+      }
+    }
+
+    service {
+      name = "frontend"
+      tags = ["hashicups", "demo"]
+
+      port = "http"
+
+      meta {
+        envoy_metrics_port = "${NOMAD_HOST_PORT_envoy_metrics}"
+      }
+
+      connect {
+        sidecar_service {
+          proxy {
+            upstreams {
+              destination_name = "public-api"
+              local_bind_port  = 8080
+            }
+            config {
+              envoy_prometheus_bind_addr = "0.0.0.0:9102"
+            }
+          }
+        }
+      }
+    }
+
+    task "frontend" {
+      driver = "docker"
+
+      config {
+        // https://hub.docker.com/r/hashicorpdemoapp/frontend/tags
+        image = "hashicorpdemoapp/frontend:v1.0.3"
+        ports = ["http"]
+        volumes = [
+          "local:/etc/nginx/conf.d",
+        ]
+      }
+
+      template {
+data = <<EOH
+{{- range service "nginx" }}
+NEXT_PUBLIC_PUBLIC_API_URL="http://{{ .Address }}:{{ .Port }}"
+{{- end }}
+EOH
+
+  destination = "local/file.env"
+  env         = true
+      }
+
+      env {
+        // NEXT_PUBLIC_PUBLIC_API_URL = "/"
+        PORT = "${NOMAD_PORT_http}"
+      }
+
+      resources {
+        cpu    = 200
+        memory = 512
+      }
+
+      template {
+        data = <<EOH
+# /etc/nginx/conf.d/default.conf
+server {
+  listen       {{ env "NOMAD_PORT_http" }};
+  server_name  {{ env "NOMAD_IP_http" }};
+  #charset koi8-r;
+  #access_log  /var/log/nginx/host.access.log  main;
+  location / {
+      root   /usr/share/nginx/html;
+      index  index.html index.htm;
+  }
+  # Proxy pass the api location to save CORS
+  # Use location exposed by Consul connect
+  location /api {
+      proxy_pass http://127.0.0.1:{{ env "NOMAD_UPSTREAM_PORT_public_api" }};
+      proxy_http_version 1.1;
+      proxy_set_header Upgrade $http_upgrade;
+      proxy_set_header Connection "Upgrade";
+      proxy_set_header Host $host;
+  }
+  error_page   500 502 503 504  /50x.html;
+  location = /50x.html {
+      root   /usr/share/nginx/html;
+  }
+}
+      EOH
+        destination   = "local/default.conf"
+        change_mode   = "signal"
+        change_signal = "SIGHUP"
+      }
+
+      logs {
+        max_files     = 10
+        max_file_size = 10
+      }
+    }
+  }
+}

consul-nomad/nginx.nomad

@@ -0,0 +1,105 @@
+job "nginx" {
+  datacenters = ["dc1"]
+
+  group "nginx" {
+
+    // consul {
+    //   namespace = "hashicups"
+    // }
+
+    count = 1
+
+    network {
+      port "http" {}
+    }
+
+    service {
+      name = "nginx"
+      port = "http"
+    }
+
+    task "nginx" {
+      driver = "docker"
+
+      config {
+        image = "nginx"
+        ports = ["http"]
+        volumes = [
+          "local:/etc/nginx/conf.d",
+        ]
+      }
+
+      artifact {
+        source = "https://img.icons8.com/color/2x/nginx.png"
+        destination = "local/upload"
+      }
+
+      // env {
+      //   CONSUL_NAMESPACE = "hashicups"
+      // }
+
+      template {
+        data = <<EOF
+proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=STATIC:10m inactive=7d use_temp_path=off;
+
+upstream frontend {
+{{- range service "frontend" }}
+  server {{ .Address }}:{{ .Port }};
+{{- else }}# server 127.0.0.1:65535; # force a 502
+{{- end }}
+}
+
+upstream api {
+{{- range service "public-api" }}
+  server {{ .Address }}:{{ .Port }};
+{{- else }}# server 127.0.0.1:65535; # force a 502
+{{- end }}
+}
+
+server {
+  listen {{ env "NOMAD_PORT_http" }};
+
+  location / {
+    proxy_pass http://frontend;
+  }
+  location /api {
+    proxy_pass http://api;
+  }
+  location /status {
+    stub_status on;
+  }
+  location /_next/static {
+    proxy_cache STATIC;
+    proxy_pass http://frontend;
+    # For testing cache - remove before deploying to production
+    add_header X-Cache-Status $upstream_cache_status;
+  }
+  location /static {
+    proxy_cache STATIC;
+    proxy_ignore_headers Cache-Control;
+    proxy_cache_valid 60m;
+    proxy_pass http://frontend;
+    # For testing cache - remove before deploying to production
+    add_header X-Cache-Status $upstream_cache_status;
+  }
+
+  server_tokens off;
+  gzip on;
+  gzip_proxied any;
+  gzip_comp_level 4;
+  gzip_types text/css application/javascript image/svg+xml;
+  proxy_http_version 1.1;
+  proxy_set_header Upgrade $http_upgrade;
+  proxy_set_header Connection 'upgrade';
+  proxy_set_header Host $host;
+  proxy_cache_bypass $http_upgrade;
+}
+EOF
+
+        destination   = "local/load-balancer.conf"
+        change_mode   = "signal"
+        change_signal = "SIGHUP"
+      }
+    }
+  }
+}

consul-nomad/payments.nomad

@@ -0,0 +1,79 @@
+job "payments-api" {
+  datacenters = ["dc1"]
+
+  type = "service"
+
+  group "payments-api" {
+
+    // consul {
+    //   namespace = "hashicups"
+    // }
+
+    network {
+      mode = "bridge"
+      port "api" {
+        to = 8080
+      }
+      port "envoy_metrics" {
+        to = 9102
+      }
+    }
+
+    service {
+      name = "payments-api"
+      tags = ["hashicups", "demo"]
+
+      port = "api"
+
+      meta {
+        envoy_metrics_port = "${NOMAD_HOST_PORT_envoy_metrics}"
+      }
+
+      connect {
+        sidecar_service {
+          proxy {
+            config {
+              envoy_prometheus_bind_addr = "0.0.0.0:9102"
+            } 
+          }
+        }
+      }
+    }
+
+    task "payments-api" {
+      driver = "docker"
+
+      config {
+        // https://hub.docker.com/r/hashicorpdemoapp/frontend/tags
+        image = "hashicorpdemoapp/payments:v0.0.12"
+        ports = ["api"]
+        mount {
+          type   = "bind"
+          source = "local/application.properties"
+          target = "/application.properties"
+        }
+      }
+
+      template {
+        data = "server.port={{ env \"NOMAD_PORT_api\"}}"
+        destination = "local/application.properties"
+      }
+
+      resources {
+        cpu    = 200
+        memory = 512
+      }
+
+      logs {
+        max_files     = 10
+        max_file_size = 10
+      }
+    }
+
+    scaling {
+      enabled = true
+      min = 1
+      max = 3
+    }
+  }
+}