Setup recommended golang environment

modules/golang/manifests/init.pp

@@ -0,0 +1,29 @@
+class golang ( $version = "1.0.3" ) {
+
+    exec { "download-golang":
+        command => "/usr/bin/wget -O /usr/local/src/go$version.linux-amd64.tar.gz https://go.googlecode.com/files/go$version.linux-amd64.tar.gz",
+        creates => "/usr/local/src/go$version.linux-amd64.tar.gz"
+    }
+
+    exec { "remove-previous-version":
+        command => "/bin/rm -r /usr/local/go",
+        onlyif => "/usr/bin/test -d /usr/local/go",
+        before => Exec["unarchive-golang-tools"]
+    }
+
+    exec { "unarchive-golang-tools":
+        command => "/bin/tar -C /usr/local -xzf /usr/local/src/go$version.linux-amd64.tar.gz",
+        require => Exec["download-golang"]
+    }
+
+    exec { "setup-path":
+        command => "/bin/echo 'export PATH=/vagrant/bin:/usr/local/go/bin:\$PATH' >> /home/vagrant/.profile",
+        unless => "/bin/grep -q /usr/local/go /home/vagrant/.profile ; /usr/bin/test $? -eq 0"
+    }
+
+    exec { "setup-workspace":
+        command => "/bin/echo 'export GOPATH=/vagrant' >> /home/vagrant/.profile",
+        unless => "/bin/grep -q GOPATH /home/vagrant/.profile ; /usr/bin/test $? -eq 0"
+    }
+
+}