haproxy: support read only couchdb mirrors

3 files changed, 43 insertions, 23 deletions

diff --git a/puppet/modules/site_haproxy/templates/couch.erb b/puppet/modules/site_haproxy/templates/couch.erb
new file mode 100644
index 00000000..baa31486
--- /dev/null
+++ b/puppet/modules/site_haproxy/templates/couch.erb
@@ -0,0 +1,32 @@
+frontend couch
+  bind localhost:<%= @listen_port %>
+  mode     http
+  option   httplog
+  option   dontlognull
+  option   http-server-close    # use client keep-alive, but close server connection.
+  use_backend couch_write if METH_POST
+  default_backend couch_read
+
+backend couch_write
+  mode http
+  balance  roundrobin
+  option   httpchk GET /        # health check using simple get to root
+  option   allbackups           # balance among all backups, not just one.
+  default-server inter 3000 fastinter 1000 downinter 1000 rise 2 fall 1
+<%- @servers.sort.each do |name,server| -%>
+<%-   next unless server['writable'] -%>
+    # <%=name%>
+    server couchdb_<%=server['port']%> <%=server['host']%>:<%=server['port']%> <%='backup' if server['backup']%> weight <%=server['weight']%> check
+<%- end -%>
+
+backend couch_read
+  mode http
+  balance  roundrobin
+  option   httpchk GET /        # health check using simple get to root
+  option   allbackups           # balance among all backups, not just one.
+  default-server inter 3000 fastinter 1000 downinter 1000 rise 2 fall 1
+<%- @servers.sort.each do |name,server| -%>
+    # <%=name%>
+    server couchdb_<%=server['port']%> <%=server['host']%>:<%=server['port']%> <%='backup' if server['backup']%> weight <%=server['weight']%> check
+<%- end -%>
+
diff --git a/puppet/modules/site_haproxy/templates/haproxy.cfg.erb b/puppet/modules/site_haproxy/templates/haproxy.cfg.erb
new file mode 100644
index 00000000..8311b1a5
--- /dev/null
+++ b/puppet/modules/site_haproxy/templates/haproxy.cfg.erb
@@ -0,0 +1,11 @@
+<%- @haproxy.each do |frontend, options| -%>
+<%-   if options['servers'] -%>
+
+##
+## <%= frontend %>
+##
+
+<%=     scope.function_templatewlv(["site_haproxy/#{frontend}.erb", options]) %>
+<%-   end -%>
+<%- end -%>
+
diff --git a/puppet/modules/site_haproxy/templates/haproxy_couchdb.cfg.erb b/puppet/modules/site_haproxy/templates/haproxy_couchdb.cfg.erb
deleted file mode 100644
index 1fa01b96..00000000
--- a/puppet/modules/site_haproxy/templates/haproxy_couchdb.cfg.erb
+++ /dev/null
@@ -1,23 +0,0 @@
-
-listen bigcouch-in
-  mode     http
-  balance  roundrobin
-  option   httplog
-  option   dontlognull
-  option   httpchk GET /        # health check using simple get to root
-  option   http-server-close    # use client keep-alive, but close server connection.
-  option   allbackups           # balance among all backups, not just one.
-
-  bind localhost:4096
-
-  default-server inter 3000 fastinter 1000 downinter 1000 rise 2 fall 1
-
-<%- if @haproxy['servers'] -%>
-<%-   @haproxy['servers'].sort.each do |name,server| -%>
-<%-     backup = server['backup'] ? 'backup' : '' -%>
-  # <%=name%>
-  server couchdb_<%=server['port']%> <%=server['host']%>:<%=server['port']%> <%=backup%> weight <%=server['weight']%> check
-
-<%-   end -%>
-<%- end -%>
-