node_exporter_url = '' node_exporter_bin = '' tag = '' vtag = '' # Calculate the Download URL: begin require 'net/http' uri = URI.parse('https://github.com/prometheus/node_exporter/releases/latest') Timeout.timeout(3) do response = Net::HTTP.get_response(uri) vtag = $1 if response.body =~ %r{tag\/(v\d+\.\d+\.\d+)} tag = vtag.sub(/^v/, '') node_exporter_bin = "#{node['node_exporter']['prefix']}#{tag}#{node['node_exporter']['postfix']}" node_exporter_url = "#{node['node_exporter']['url']}/#{vtag}/#{node_exporter_bin}" end rescue # Abort the chef client process: raise 'Cannot connect to http://github.com.' end # バージョン確認して、アップデート必要かどうか確認 result = run_command("node_exporter --version 2>&1 | grep #{tag}", error: false) if result.exit_status != 0 # Download: TMP = "/tmp/#{node_exporter_bin}" execute "wget #{node_exporter_url} -O #{TMP}" # Install: directory node['node_exporter']['storage'] do owner 'root' group 'root' mode '755' end execute "tar zxf #{TMP} -C #{node['node_exporter']['storage']} --strip-components 1" # Change Owner and Permissions: file "#{node['node_exporter']['storage']}node_exporter" do owner 'root' group 'root' mode '755' end # Create Link link "#{node['node_exporter']['location']}node_exporter" do to "#{node['node_exporter']['storage']}node_exporter" end end