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|
#!/usr/bin/env ruby
require "sinatra"
require "zipf"
$:.unshift File.dirname(__FILE__)
require "up"
if ENV['APP_ENV'] == "production"
set :port, 8080
set :bind, "0.0.0.0"
else
set :port, 8080
set :bind, "127.0.0.1"
end
configure do
hosts = {}
ReadFile.new("#{File.dirname(__FILE__)}/hosts.txt").readlines.each { |line|
hosts[line.split[0]] = Host.new line
}
puts "> loaded #{hosts.keys.size} hosts"
set :hosts, hosts
end
get '/host/:host' do
hostname = params[:host]
if settings.hosts.include? hostname
check = settings.hosts[hostname].check
if not check["up"]
"off #{check.to_s}"
elsif check.values.all?{|v|v}
"ok #{check.to_s}"
elsif check.select{|k,_|k.end_with?"/tcp"}.values.all?{|v|v} \
and not check.select{|k,_|k.end_with?"/udp"}.values.all?{|v|v}
"maybe-ok #{check.to_s}"
else
"not-ok #{check.to_s}"
end
else
"unknown"
end
end
get '/host/raw/:host' do
hostname = params[:host]
if settings.hosts.include? hostname
"#{settings.hosts[hostname].check}"
else
""
end
end
get '/all-hosts' do
"#{settings.hosts.keys.join ","}"
end
get '/check-all-hosts' do
out = "<html><head></head><body><ul>"
settings.hosts.each_value { |host|
out += " <li>#{host.hostname}: #{host.check}</li>"
}
out += "</ul></body></html>"
out
end
get '/' do
out =<<EOS
<html>
<head>
<meta name="viewport" content="width=device-width; initial-scale=1.0" />
<style type="text/css">
.box { border:2px dashed black;
float:left;
padding:1em;
margin:.5em;
background:#eee;
cursor:pointer; }
</style>
<script type="text/javascript">
function update_host(host)
{
request = new XMLHttpRequest();
request.__host = host
request.onload = function (e) {
status = this.responseText.split(" ")[0];
response = this.responseText;
if (status == "ok") {
document.getElementById(this.__host).style.background = "green";
document.getElementById(this.__host).style.border = "2px solid green";
document.getElementById(this.__host).style.color = "white";
} else if (status == "off") {
document.getElementById(this.__host).style.background = "black";
document.getElementById(this.__host).style.border = "2px solid white";
document.getElementById(this.__host).style.color = "white";
} else if (status == "maybe-ok") {
document.getElementById(this.__host).style.background = "yellow";
document.getElementById(this.__host).style.border = "2px dashed white";
} else {
document.getElementById(this.__host).style.background = "red";
document.getElementById(this.__host).style.border = "2px dashed white";
}
document.getElementById(this.__host).__full_status = response;
document.getElementById(this.__host).onclick = function () {
document.getElementById("info").innerHTML = this.__full_status;
}
}
request.open("GET", "/host/" + host);
request.send();
}
request = new XMLHttpRequest();
request.onload = function (e) {
hosts = this.responseText.split(",");
for (hostname of hosts) {
new_node = document.createElement("div");
new_node.id = hostname;
new_node.className = "box";
new_text_node = document.createTextNode(hostname);
new_node.appendChild(new_text_node);
document.getElementById("boxes").appendChild(new_node);
update_host(hostname);
}
}
request.open("GET", "/all-hosts", true);
request.send();
</script>
</head>
<body>
<div id="boxes"></div>
<p style="clear:left" id="info"></p>
</body>
</html>
EOS
out
end
|
