Add additional info to networking interfaces/addresses

I'd like to know if addresses are dynamic or not, for example.

2 files changed, 14 insertions, 2 deletions

diff --git a/lib/ohai/plugins/linux/network.rb b/lib/ohai/plugins/linux/network.rb
index 18f6dd31..65aa3d1a 100644
--- a/lib/ohai/plugins/linux/network.rb
+++ b/lib/ohai/plugins/linux/network.rb
@@ -310,10 +310,18 @@ Ohai.plugin(:Network) do
   end
 
   def parse_ip_addr_inet6_line(cint, iface, line)
-    if line =~ /inet6 ([a-f0-9\:]+)\/(\d+) scope (\w+)/
+    if line =~ /inet6 ([a-f0-9\:]+)\/(\d+) scope (\w+)( .*)?/
       iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
       tmp_addr = $1
-      iface[cint][:addresses][tmp_addr] = { "family" => "inet6", "prefixlen" => $2, "scope" => ($3.eql?("host") ? "Node" : $3.capitalize) }
+      tags = $4 || ""
+      tags = tags.split(" ")
+
+      iface[cint][:addresses][tmp_addr] = {
+        "family" => "inet6",
+        "prefixlen" => $2,
+        "scope" => ($3.eql?("host") ? "Node" : $3.capitalize),
+        "tags" => tags,
+      }
     end
   end
 
diff --git a/spec/unit/plugins/linux/network_spec.rb b/spec/unit/plugins/linux/network_spec.rb
index 40bbdc17..b91e8d0f 100644
--- a/spec/unit/plugins/linux/network_spec.rb
+++ b/spec/unit/plugins/linux/network_spec.rb
@@ -808,6 +808,10 @@ EOM
       expect(plugin["network"]["interfaces"]["eth3"]["state"]).to eq("up")
     end
 
+    it "detects tags on v6 addresses of the ethernet interface" do
+      expect(plugin["network"]["interfaces"]["eth0"]["addresses"]["2001:44b8:4160:8f00:a00:27ff:fe13:eacd"]["tags"]).to eq(["dynamic"])
+    end
+
     describe "when IPv6 is disabled" do
       before :each do
         allow(File).to receive(:exist?).with("/proc/net/if_inet6").and_return(false)