Rakefile added

Rakefile

@@ -0,0 +1,66 @@
+require 'rake/clean'
+require './go'
+
+ORG_PATH="github.com/DataDog"
+REPO_PATH="#{ORG_PATH}/datadog-agent"
+TARGETS = %w[./pkg ./cmd]
+
+CLOBBER.include("*.cov")
+
+task default: %w[agent:build]
+
+desc "Run go fmt on #{TARGETS}"
+task :fmt do
+  TARGETS.each do |t|
+    go_fmt(t)
+  end
+end
+
+desc "Run golint on #{TARGETS}"
+task :lint do
+  TARGETS.each do |t|
+    go_lint(t)
+  end
+end
+
+desc "Run go vet on #{TARGETS}"
+task :vet do
+  TARGETS.each do |t|
+    system("go vet #{t}/...")
+  end
+end
+
+desc "Run testsuite"
+task :test => %w[fmt lint vet] do
+  PROFILE = "profile.cov"  # collect global coverage data in this file
+  `echo "mode: count" > #{PROFILE}`
+
+  TARGETS.each do |t|
+    Dir.glob("#{t}/**/*").select {|f| File.directory? f }.each do |pkg_folder|  # recursively search for go packages
+      next if Dir.glob(File.join(pkg_folder, "*.go")).length == 0  # folder is a package if contains go modules
+      profile_tmp = "#{pkg_folder}/profile.tmp"  # temp file to collect coverage data
+      system("go test -short -covermode=count -coverprofile=#{profile_tmp} #{pkg_folder}")
+      if File.file?(profile_tmp)
+        `cat #{profile_tmp} | tail -n +2 >> #{PROFILE}`
+        File.delete(profile_tmp)
+      end
+    end
+  end
+
+  sh("go tool cover -func #{PROFILE}")
+end
+
+desc "Build allthethings"
+task build: %w[agent:build]
+
+namespace :agent do
+  BIN_PATH="./bin/agent"
+  CLOBBER.include(BIN_PATH)
+
+  desc "Build the agent"
+  task :build do
+    system("go build -o #{BIN_PATH}/agent #{REPO_PATH}/cmd/agent")
+    FileUtils.cp_r("./pkg/collector/check/py/dist/", "#{BIN_PATH}/dist/")
+  end
+
+end

go.rb

@@ -0,0 +1,20 @@
+
+
+def go_fmt(path)
+  out = `go fmt #{path}/...`
+  errors = out.split("\n")
+  if errors.length > 0
+    puts out
+    fail
+  end
+end
+
+def go_lint(path)
+  out = `golint #{path}/...`
+  errors = out.split("\n")
+  puts "#{errors.length} linting issues found"
+  if errors.length > 0
+    puts out
+    fail
+  end
+end