From ff849fdbc44840344baade0d2c7cd7ac9af4c6d8 Mon Sep 17 00:00:00 2001
From: Ilia Zenkevich <ilia.zenkevich@activecloud.com>
Date: Thu, 22 Jun 2017 17:41:33 +0000
Subject: [PATCH] terraform mimic

---
 skywind_docker.tf |  78 ++++++++++
 vars.tf           | 389 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 467 insertions(+)
 create mode 100644 skywind_docker.tf
 create mode 100644 vars.tf

diff --git a/skywind_docker.tf b/skywind_docker.tf
new file mode 100644
index 0000000..ff0c4a8
--- /dev/null
+++ b/skywind_docker.tf
@@ -0,0 +1,78 @@
+# Configure the Docker provider
+provider "docker" {
+  host = "tcp://127.0.0.1:2375"
+}
+
+# Create a container
+resource "docker_container" "nginx" {
+  image = "${docker_image.nginx.latest}"
+  name  = "nginx"
+#  command = ["ping", "127.0.0.01"]
+  command = ["sh","-c", "chmod +x /bin/nginx_cmd.sh && /bin/nginx_cmd.sh && /bin/containerpilot"]
+  env = ["CONTAINERPILOT_VER=3.0.0", "CONTAINERPILOT=/etc/containerpilot.json5"]
+  links = ["consul"]
+  restart = "always"
+  must_run = true
+  ports { internal = 80, external = 80 }
+  upload { content = "${var.nginx_script}", file = "/bin/nginx_cmd.sh"}
+  upload { content = "${var.nginx_containerpilot}", file = "/etc/containerpilot.json5"}
+  upload { content = "${var.reload-nginx}", file = "/bin/reload-nginx.sh"}
+  upload { content = "${var.nginx_index}", file = "/usr/share/nginx/html/index.html"}
+  upload { content = "${var.style}", file = "/usr/share/nginx/html/style.css"}
+  upload { content = "${var.nginx}", file = "/etc/nginx/nginx.conf"}
+  upload { content = "${var.nginx_ctmpl}", file = "/etc/containerpilot/nginx.conf.ctmpl"}  
+  depends_on = ["docker_container.consul"]
+}
+
+# Create a container
+resource "docker_container" "hello" {
+  image = "${docker_image.app.latest}"
+  name  = "hello"
+#  command = ["ping", "127.0.0.01"]
+  command = ["sh","-c", "chmod +x /bin/nginx_cmd.sh && /bin/nginx_cmd.sh && /bin/containerpilot"]
+  env = ["CONTAINERPILOT_VER=3.0.0", "CONTAINERPILOT=/etc/containerpilot.json5"]
+  links = ["consul"]
+  restart = "no"
+  must_run = true
+  ports { internal = 3001, external = 3001 }  
+  upload { content = "${var.nginx_script}", file = "/bin/nginx_cmd.sh"}
+  upload { content = "${var.hello_containerpilot}", file = "/etc/containerpilot.json5"}
+  upload { content = "${var.index_hello}", file = "/opt/hello/index.js"}
+  depends_on = ["docker_container.consul"]
+}
+
+# Create a container
+resource "docker_container" "world" {
+  image = "${docker_image.app.latest}"
+  name  = "world"
+#  command = ["ping", "127.0.0.01"]
+  command = ["sh","-c", "chmod +x /bin/nginx_cmd.sh && /bin/nginx_cmd.sh && /bin/containerpilot"]
+  env = ["CONTAINERPILOT_VER=3.0.0", "CONTAINERPILOT=/etc/containerpilot.json5"]
+  links = ["consul"]
+  restart = "no"
+  must_run = true
+  ports { internal = 3002, external = 3002 }
+  upload { content = "${var.nginx_script}", file = "/bin/nginx_cmd.sh"}
+  upload { content = "${var.world_containerpilot}", file = "/etc/containerpilot.json5"}
+  upload { content = "${var.index_world}", file = "/opt/world/index.js"}
+  depends_on = ["docker_container.consul"]
+}
+
+# Create a container
+resource "docker_container" "consul" {
+  image = "${docker_image.consul.latest}"
+  name  = "consul"
+  restart = "always"
+}
+
+resource "docker_image" "nginx" {
+  name = "alpine:3.4"
+}
+
+resource "docker_image" "app" {
+  name = "mhart/alpine-node:latest"
+}
+
+resource "docker_image" "consul" {
+  name = "consul:latest"
+}
diff --git a/vars.tf b/vars.tf
new file mode 100644
index 0000000..6337b79
--- /dev/null
+++ b/vars.tf
@@ -0,0 +1,389 @@
+variable "nginx_script" {
+  type = "string"
+  default = <<EOF
+apk update && \
+    apk add nginx curl unzip && \
+    rm -rf /var/cache/apk/*
+
+curl -Lo /tmp/consul_template_0.15.0_linux_amd64.zip https://releases.hashicorp.com/consul-template/0.15.0/consul-template_0.15.0_linux_amd64.zip && \
+    unzip /tmp/consul_template_0.15.0_linux_amd64.zip && \
+    mv consul-template /bin
+
+export CONTAINERPILOT_CHECKSUM=6da4a4ab3dd92d8fd009cdb81a4d4002a90c8b7c \
+    && curl -Lso /tmp/containerpilot.tar.gz \
+         "https://github.com/joyent/containerpilot/releases/download/3.0.0/containerpilot-3.0.0.tar.gz" \
+    && echo "6da4a4ab3dd92d8fd009cdb81a4d4002a90c8b7c  /tmp/containerpilot.tar.gz" | sha1sum -c \
+    && tar zxf /tmp/containerpilot.tar.gz -C /bin \
+    && rm /tmp/containerpilot.tar.gz
+
+chmod +x /bin/reload-nginx.sh || true
+
+EOF
+}
+
+variable nginx_containerpilot {
+  type = "string"
+  default = <<EOF
+{
+  consul: "consul:8500",
+  logging: {
+    level: "DEBUG",
+    format: "text"
+  },
+  jobs: [
+    {
+      // without a "when" field this will start first
+      name: "preStart",
+      exec: "/bin/reload-nginx.sh preStart"
+    },
+    {
+      name: "nginx",
+      port: 80,
+      interfaces: ["eth1", "eth0"],
+      exec: "nginx",
+      when: {
+        source: "preStart",
+        once: "exitSuccess"
+      },
+      health: {
+        exec: "/usr/bin/curl -o /dev/null --fail -s http://localhost/health",
+        interval: 10,
+        ttl: 25
+      }
+    },
+    {
+      name: "onchange-hello",
+      exec: "/bin/reload-nginx.sh onChange",
+      when: {
+        source: "watch.hello",
+        each: "changed"
+      }
+    },
+    {
+      name: "onchange-world",
+      exec: "/bin/reload-nginx.sh onChange",
+      when: {
+        source: "watch.world",
+        each: "changed"
+      }
+    }
+  ],
+ watches: [
+    {
+      name: "hello",
+      interval: 3
+    },
+    {
+      name: "world",
+      interval: 3
+    }
+  ]
+}
+EOF
+}
+
+variable "reload-nginx" {
+  type = "string"
+  default = <<EOF
+#!/bin/sh
+
+# Render Nginx configuration template using values from Consul,
+# but do not reload because Nginx has't started yet
+preStart() {
+    consul-template \
+        -once \
+        -consul consul:8500 \
+        -template "/etc/containerpilot/nginx.conf.ctmpl:/etc/nginx/nginx.conf"
+}
+
+# Render Nginx configuration template using values from Consul,
+# then gracefully reload Nginx
+onChange() {
+    consul-template \
+        -once \
+        -consul consul:8500 \
+        -template "/etc/containerpilot/nginx.conf.ctmpl:/etc/nginx/nginx.conf:nginx -s reload"
+}
+
+until
+    cmd=$1
+    if [ -z "$cmd" ]; then
+        onChange
+    fi
+    shift 1
+    $cmd "$@"
+    [ "$?" -ne 127 ]
+do
+    onChange
+    exit
+done
+EOF
+}
+
+variable "nginx_index" {
+  type = "string"
+  default = <<EOF
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="stylesheet" type="text/css" href="style.css">
+</head>
+<body>
+  <section class="wrapper">
+    <h1></h1>
+    <h2></h2>
+  </section>
+</body>
+<script>
+  window.onload = function () {
+    setHello();
+    setWorld();
+  };
+
+  function setHello () {
+    window.fetch('/hello').then(function (res) {
+      return res.text();
+    }).then(function (val) {
+      const h1 = document.getElementsByTagName('h1')[0];
+      h1.innerHTML = val + h1.innerHTML;
+    });
+  }
+
+  function setWorld () {
+    window.fetch('/world').then(function (res) {
+      return res.text();
+    }).then(function (val) {
+      const h2 = document.getElementsByTagName('h2')[0];
+      h2.innerHTML = val + h2.innerHTML;
+    });
+  }
+</script>
+</html>
+EOF
+}
+
+variable "style" {
+  type = "string"
+  default = <<EOF
+progress,sub,sup{vertical-align:baseline}button,hr,input{overflow:visible}[type=checkbox],[type=radio],legend{box-sizing:border-box;padding:0}html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}dfn{font-style:italic}h1{font-size:2em;margin:.67em 0}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}svg:not(:root){overflow:hidden}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}figure{margin:1em 40px}hr{box-sizing:content-box;height:0}button,input,select,textarea{font:inherit;margin:0}optgroup{font-weight:700}button,select{text-transform:none}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:ButtonText dotted 1px}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{color:inherit;display:table;max-width:100%;white-space:normal}textarea{overflow:auto}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-input-placeholder{color:inherit;opacity:.54}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}
+
+body {background-color:#4682B4;}
+.wrapper {max-width: 1000px; padding: 10px; margin: 0 auto; text-align: center;}
+h1 {color:#fff; display: inline-block; padding: 10px 0; font-size: 2em; }
+h2 {color:#7FFF00; display: inline-block; padding: 10px 0; font-size: 2em;}
+EOF
+}
+
+variable "nginx" {
+  type = "string"
+  default = <<EOF
+daemon off;
+user  nginx;
+worker_processes  1;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    keepalive_timeout  65;
+
+    server {
+        listen       80;
+        server_name  _;
+
+        root /usr/share/nginx/html;
+
+        location /health {
+            # requires http_stub_status_module
+            stub_status;
+            allow 127.0.0.1;
+            deny all;
+        }
+    }
+}
+EOF
+}
+
+variable "nginx_ctmpl" {
+  type = "string"
+  default = <<EOF
+daemon off;
+user  nginx;
+worker_processes  1;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    keepalive_timeout  65;
+
+
+    {{ if service "hello" }}
+    upstream hello {
+        # write the address:port pairs for each healthy Hello node
+        {{range service "hello"}}
+        server {{.Address}}:{{.Port}};
+        {{end}}
+        least_conn;
+    }{{ end }}
+
+    {{ if service "world" }}
+    upstream world {
+        # write the address:port pairs for each healthy World node
+        {{range service "world"}}
+        server {{.Address}}:{{.Port}};
+        {{end}}
+        least_conn;
+    }{{ end }}
+
+    server {
+        listen       80;
+        server_name  _;
+
+        root /usr/share/nginx/html;
+
+        location /health {
+            # requires http_stub_status_module
+            stub_status;
+            allow 127.0.0.1;
+            deny all;
+        }
+
+        {{ if service "hello" }}
+        location ^~ /hello {
+            # strip '/hello' from the request before passing
+            # it along to the Hello upstream
+            rewrite ^/hello(/.*)$ $1 break;
+            proxy_pass http://hello;
+            proxy_redirect off;
+        }{{end}}
+
+        {{ if service "world" }}
+        location ^~ /world {
+            # strip '/world' from the request before passing
+            # it along to the World upstream
+            rewrite ^/world(/.*)$ $1 break;
+            proxy_pass http://world;
+            proxy_redirect off;
+        }{{end}}
+    }
+}
+EOF
+}
+
+variable "index_hello" {
+  type = "string"
+  default = <<EOF
+'use strict';
+
+// Load modules
+
+const Http = require('http');
+
+
+const server = module.exports = Http.createServer((req, res) => {
+  res.writeHead(200);
+  res.end('Hello');
+});
+
+server.listen(3001, () => {
+  console.log(`Hello server listening on port ${server.address().port}`);
+});
+EOF
+}
+
+variable "index_world" {
+  type = "string"
+  default = <<EOF
+'use strict';
+
+// Load modules
+
+const Http = require('http');
+
+
+const server = module.exports = Http.createServer((req, res) => {
+  res.writeHead(200);
+  res.end('World');
+});
+
+server.listen(3002, () => {
+  console.log(`World server listening on port ${server.address().port}`);
+});
+EOF
+}
+
+
+variable "hello_containerpilot" {
+  type = "string"
+  default = <<EOF
+{
+  consul: "consul:8500",
+  jobs: [
+    {
+      name: "hello",
+      exec: "node /opt/hello/index.js",
+      port: 3001,
+      health: {
+        exec: "/usr/bin/curl -o /dev/null --fail -s http://localhost:3001/",
+        interval: 3,
+        ttl: 10
+      }
+    }
+  ]
+}
+EOF
+}
+
+variable "world_containerpilot" {
+  type = "string"
+  default = <<EOF
+{
+  consul: "consul:8500",
+  jobs: [
+    {
+      name: "world",
+      exec: "node /opt/world/index.js",
+      port: 3002,
+      health: {
+        exec: "/usr/bin/curl -o /dev/null --fail -s http://localhost:3002/",
+        interval: 3,
+        ttl: 10
+      }
+    }
+  ]
+}
+EOF
+}