changes

products/MCX/design/MicroServices/ServiceDiscovery/Vagrantfile

+
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+$script = <<SCRIPT
+echo Installing dependencies...
+sudo apt-get update
+sudo apt-get install -y unzip curl
+echo Fetching Consul...
+cd /tmp/
+wget https://releases.hashicorp.com/consul/0.6.0/consul_0.6.0_linux_amd64.zip -O consul.zip
+echo Installing Consul...
+unzip consul.zip
+sudo chmod +x consul
+sudo mv consul /usr/bin/consul
+sudo mkdir /etc/consul.d
+sudo chmod a+w /etc/consul.d
+SCRIPT
+
+# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
+VAGRANTFILE_API_VERSION = "2"
+
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+  config.vm.box = "debian/wheezy64"
+
+  config.vm.provision "shell", inline: $script
+
+  config.vm.define "n1" do |n1|
+      n1.vm.hostname = "n1"
+      n1.vm.network "private_network", ip: "172.20.20.10"
+      n1.vm.network "public_network", ip: "172.16.1.149"
+  end
+
+  config.vm.define "n2" do |n2|
+      n2.vm.hostname = "n2"
+      n2.vm.network "private_network", ip: "172.20.20.11"
+      n2.vm.network "public_network", ip: "172.16.1.152"
+  end
+end

products/MCX/design/MicroServices/ServiceDiscovery/consul

+
+run consul agent
+=================
+consul agent -data-dir /tmp/consul -node=agent-two     -bind=172.20.20.11 -config-dir /etc/consul.d -ui-dir ~/Downloads/ -client=172.16.1.152
+
+
+
+run consul server
+=================
+consul agent -server -bootstrap-expect 1     -data-dir /tmp/consul -node=agent-one -bind=172.20.20.10     -config-dir /etc/consul.d -client=172.16.1.149
+
+
+consul join cluster
+===================
+consul join 172.20.20.11(joining from server side)
+
+
+
+
+
+config dns param(/etc/consul.d/config.json)
+===========================================
+{
+"ports": { 
+            "dns": 53
+         } 
+}
+
+
+config service(/etc/consul.d/service.json)
+==========================================
+{"service": {"name": "web1", "tags": ["rails"],"Address":"172.16.1.152", "port": 80}} echo {"service": {"name": "web", "tags": ["rails"], "port": 80}}
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products/MCX/design/MicroServices/ServiceDiscovery/nginx load balance

+
+resolver 172.16.1.152;
+
+upstream consulweb {
+    server web1.service.consul:8500;
+    server web2.service.consul:8500;
+    ...
+}
+
+server
+{
+	# consul
+    location ~ ^/consul {
+		rewrite  ^/consul/(.*)  /$1 break;
+        proxy_pass http://consulweb/$1?$args;
+		proxy_set_header Host      $host:$server_port;
+       	proxy_set_header X-Real-IP $remote_addr;
+    }
+    ...	
+}
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