X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/eca5108bf65febcb28de7c52d86138d645aed5cc..4e7feb611c39022408fe3a6fb4dd960f33b625e1:/roles/base.rb

diff --git a/roles/base.rb b/roles/base.rb
index 0875bdb4d..0383da15e 100644
--- a/roles/base.rb
+++ b/roles/base.rb
@@ -11,14 +11,21 @@ default_attributes(
     }
   },
   :apt => {
-    :sources => [ "openstreetmap" ]
+    :sources => ["openstreetmap"]
+  },
+  :munin => {
+    :plugins => {
+      :ntp_offset => {
+        :offset => { :warning => "100", :critical => "250" }
+      }
+    }
   },
   :networking => {
     :roles => {
       :internal => { :metric => 200, :zone => "loc" },
       :external => { :metric => 100 }
     },
-    :search => [ "openstreetmap.org" ]
+    :search => ["openstreetmap.org"]
   },
   :sysctl => {
     :panic => {
@@ -27,11 +34,14 @@ default_attributes(
     },
     :blackhole => {
       :comment => "Do TCP level MTU probing if we seem to have an ICMP blackhole",
-      :parameters => { "net.ipv4.tcp_mtu_probing" => "1" }
+      :parameters => {
+        "net.ipv4.tcp_mtu_probing" => "1",
+        "net.ipv4.tcp_base_mss" => "1024"
+      }
     },
     :network_buffers => {
       :comment => "Tune network buffers",
-      :parameters => { 
+      :parameters => {
         "net.core.rmem_max" => "16777216",
         "net.core.wmem_max" => "16777216",
         "net.ipv4.tcp_rmem" => "4096\t87380\t16777216",
@@ -44,7 +54,7 @@ default_attributes(
     },
     :network_conntrack_established => {
       :comment => "Only track established connections for four hours",
-      :parameters => { 
+      :parameters => {
         "net.netfilter.nf_conntrack_tcp_timeout_established" => "14400"
       }
     },