Install `vector`.

cookbooks/vector/attributes.rb

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+# -------------------------------------------
+# Specifying the default settings:
+# -------------------------------------------
+case run_command('grep VERSION_ID /etc/os-release | awk -F\" \'{print $2}\'').stdout.chomp
+when "20.04"
+  cmd = 'LANG=C ip a | grep "inet " | grep -v -E "(127|172)" | cut -d" " -f6 | perl -pe "s/\/.+//g"'
+
+when "18.04"
+  cmd = 'LANG=C /sbin/ifconfig | grep "inet " | grep -v -E "(127|172)" | cut -d" " -f10'
+
+else
+  cmd = 'LANG=C /sbin/ifconfig | grep "inet addr" | grep -v -E "(127|172)" | awk "{print $2;}" | cut -d: -f2 | cut -f 1 -d " " | tail -1'
+end
+
+ipaddr = run_command(cmd).stdout.chomp
+
+node.reverse_merge!({
+  'vector' => {
+    'url' => 'https://github.com/timberio/vector/releases/download/',
+    'ipaddr' => ipaddr,
+    'deb' => 'vector-amd64.deb'
+  },
+})

cookbooks/vector/default.rb

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+# Loading the attributes:
+include_recipe './attributes.rb'
+
+# Install loki here:
+include_recipe './install.rb'
+

cookbooks/vector/install.rb

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+vector_url = ''
+vector_deb = ''
+
+tag        = ''
+vtag       = ''
+
+# Calculate the Download URL:
+begin
+  require 'net/http'
+
+  uri = URI.parse('https://github.com/timberio/vector/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/, '')
+
+    vector_deb = "#{node['vector']['deb']}"
+    vector_url = "#{node['vector']['url']}/#{vtag}/#{vector_deb}"
+  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("vector --version 2>&1 | grep #{tag}", error: false)
+if result.exit_status != 0
+  # Download:
+  TMP = "/tmp/#{vector_deb}"
+
+  execute "wget #{vector_url} -O #{TMP}"
+
+  execute "dpkg -i #{TMP}"
+end