From 67193dc90f691872495c25c90c2141586334ba43 Mon Sep 17 00:00:00 2001
From: Tim Petter <tim@timpetter.de>
Date: Tue, 23 Jun 2015 12:33:27 +0200
Subject: [PATCH] Add posibility to install go from source

---
 .kitchen.yml          | 10 ++++++++++
 README.md             | 30 ++++++++++++++++++++++++++++++
 attributes/default.rb |  8 ++++++++
 recipes/default.rb    | 39 ++++++++++++++++++++++++++++++++++++++-
 4 files changed, 86 insertions(+), 1 deletion(-)

diff --git a/.kitchen.yml b/.kitchen.yml
index b2341a5..22b1ca3 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -19,3 +19,13 @@ suites:
     go:
       owner: 'vagrant'
       group: 'vagrant'
+- name: src
+  run_list:
+    - recipe[golang_test::default]
+    - recipe[minitest-handler]
+  attributes:
+    go:
+      from_source: true
+      arch: 'amd64'
+      owner: 'vagrant'
+      group: 'vagrant'
diff --git a/README.md b/README.md
index 9ea2b16..b491e55 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,36 @@ To install Go packages using node attributes, include `golang::packages` in your
     <td>The mode of $GOPATH</td>
     <td><tt>0755</tt></td>
   </tr>
+  <tr>
+    <td><tt>['go']['from_source']</tt></td>
+    <td>Boolean</td>
+    <td>Install go from source</td>
+    <td><tt>false</tt></td>
+  </tr>
+  <tr>
+    <td><tt>['go']['os']</tt></td>
+    <td>String</td>
+    <td>Build go for which operating system</td>
+    <td><tt>linux</tt></td>
+  </tr>
+  <tr>
+    <td><tt>['go']['arch']</tt></td>
+    <td>String</td>
+    <td>Build go for which architecture</td>
+    <td><tt>arm</tt></td>
+  </tr>
+  <tr>
+    <td><tt>['go']['arm']</tt></td>
+    <td>String</td>
+    <td>Build go for which arm version</td>
+    <td><tt>6</tt></td>
+  </tr>
+  <tr>
+    <td><tt>['go']['source_method']</tt></td>
+    <td>String</td>
+    <td>Choose which install script should be used</td>
+    <td><tt>all.bash</tt></td>
+  </tr>
 </table>
 
 ## <a name="testing"></a> Testing
diff --git a/attributes/default.rb b/attributes/default.rb
index 4033edb..6d2d04d 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -1,6 +1,14 @@
 default['go']['version'] = '1.4'
 default['go']['platform'] = node['kernel']['machine'] =~ /i.86/ ? '386' : 'amd64'
 default['go']['filename'] = "go#{node['go']['version']}.#{node['os']}-#{node['go']['platform']}.tar.gz"
+default['go']['from_source'] = false
+if node['go']['from_source']
+  default['go']['filename'] = "go#{node['go']['version']}.src.tar.gz"
+  default['go']['os'] = 'linux'
+  default['go']['arch'] = 'arm'
+  default['go']['arm'] = '6'
+  default['go']['source_method'] = "all.bash"
+end
 default['go']['url'] = "http://golang.org/dl/#{node['go']['filename']}"
 default['go']['install_dir'] = '/usr/local'
 default['go']['gopath'] = '/opt/go'
diff --git a/recipes/default.rb b/recipes/default.rb
index fb632b5..bbf67a6 100644
--- a/recipes/default.rb
+++ b/recipes/default.rb
@@ -22,16 +22,53 @@
   code <<-EOH
     rm -rf go
     rm -rf #{node['go']['install_dir']}/go
-    tar -C #{node['go']['install_dir']} -xzf #{node["go"]["filename"]}
+    tar -C #{node['go']['install_dir']} -xzf #{node['go']['filename']}
   EOH
+  not_if { node['go']['from_source'] }
   action :nothing
 end
 
+bash "build-golang" do
+  cwd Chef::Config[:file_cache_path]
+  code <<-EOH
+    rm -rf go
+    rm -rf #{node['go']['install_dir']}/go
+    tar -C #{node['go']['install_dir']} -xzf #{node['go']['filename']}
+    cd #{node['go']['install_dir']}/go/src
+    mkdir -p $GOBIN
+    ./#{node['go']['source_method']}
+  EOH
+  environment ({
+    'GOROOT' => "#{node['go']['install_dir']}/go",
+    'GOBIN'  => '$GOROOT/bin',
+    'GOOS'   => node['go']['os'],
+    'GOARCH' => node['go']['arch'],
+    'GOARM'  => node['go']['arm']
+  })
+  only_if { node['go']['from_source'] }
+  action :nothing
+end
+
+if node['go']['from_source']
+  case node["platform"]
+  when 'debian', 'ubuntu'
+    packages = %w(build-essential)
+  when 'redhat', 'centos', 'fedora'
+    packages = %w(gcc glibc-devel)
+  end
+  packages.each do |dev_package|
+    package dev_package do
+      action :install
+    end
+  end
+end
+
 remote_file File.join(Chef::Config[:file_cache_path], node['go']['filename']) do
   source node['go']['url']
   owner 'root'
   mode 0644
   notifies :run, 'bash[install-golang]', :immediately
+  notifies :run, 'bash[build-golang]', :immediately
   not_if "#{node['go']['install_dir']}/go/bin/go version | grep \"go#{node['go']['version']} \""
 end