fabio 1.0.8 (new formula)

Add formula for Fabio (https://github.com/eBay/fabio), a zero-conf load
balancing HTTP(S) router. Written in Go (golang), using consul to store
url -> ip:port mappings.

Closes Homebrew/homebrew#49179.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
This commit is contained in:
Sander van den Berg 2016-02-15 09:43:40 +01:00 committed by Mike McQuaid
parent 8721bb2871
commit bce230ed32

69
Formula/fabio.rb Normal file
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require "language/go"
require "socket"
require "timeout"
class Fabio < Formula
desc "Zero-conf load balancing HTTP(S) router."
homepage "https://github.com/eBay/fabio"
url "https://github.com/eBay/fabio/archive/v1.0.8.tar.gz"
sha256 "32f771087cbd789293b655d7469e9a79d4f16c65956f81d54be8ff0fcf2d6e39"
head "https://github.com/eBay/fabio.git"
depends_on "go" => :build
depends_on "consul" => :recommended
def install
mkdir_p buildpath/"src/github.com/ebay"
ln_s buildpath, buildpath/"src/github.com/ebay/fabio"
ENV["GOPATH"] = "#{buildpath}/_third_party:#{buildpath}"
Language::Go.stage_deps resources, buildpath/"src"
system "go", "build", "-o", "fabio"
bin.install "fabio"
end
test do
CONSUL_DEFAULT_PORT=8500
FABIO_DEFAULT_PORT=9999
LOCALHOST_IP="127.0.0.1".freeze
def port_open?(ip, port, seconds = 1)
Timeout.timeout(seconds) do
begin
TCPSocket.new(ip, port).close
true
rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
false
end
end
rescue Timeout::Error
false
end
if !port_open?(LOCALHOST_IP, FABIO_DEFAULT_PORT)
if !port_open?(LOCALHOST_IP, CONSUL_DEFAULT_PORT)
fork do
exec "consul agent -dev -bind 127.0.0.1"
puts "consul started"
end
sleep 15
else
puts "Consul already running"
end
fork do
exec "#{bin}/fabio &>fabio-start.out&"
puts "fabio started"
end
sleep 5
assert_equal true, port_open?(LOCALHOST_IP, FABIO_DEFAULT_PORT)
system "killall", "fabio" # fabio forks off from the fork...
system "consul", "leave"
else
puts "Fabio already running or Consul not available or starting fabio failed."
false
end
end
end