add health check for bldr-web

demo/demoscript.md

@@ -146,10 +146,8 @@ dockerize chef/rust
 
 Talk about how easy it is for a developer to write a health check that gets invoked by the sidecar:
 
-FIXME: We ought not talk about hana, per SAP's request. Use another example.
-
 ```
-cat plans/hana/hooks/health_check
+cat plans/bldr-web/hooks/health_check
 ```
 
 # To-Do on Gossip

plans/bldr-web/hooks/health_check

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -x
+
+# default return code is 0
+rc=0
+
+curl --head --fail --max-time 1 http://localhost
+
+case $? in
+  # Zero exit status means curl got back a 200 end everything is ok.
+  0)
+    rc=0 ;;
+  # Anything else is critical
+  *)
+    rc=2 ;;
+esac
+
+exit $rc

plans/bldr-web/plan.sh

@@ -5,7 +5,7 @@ pkg_maintainer="The Bldr Maintainers <[email protected]>"
 pkg_license=('Apache2')
 pkg_filename=${pkg_name}-${pkg_version}.tar.bz2
 pkg_gpg_key=3853DA6B
-pkg_deps=(chef/glibc chef/bldr chef/pcre chef/nginx)
+pkg_deps=(chef/glibc chef/bldr chef/curl chef/pcre chef/nginx)
 pkg_build_deps=(chef/node chef/coreutils chef/phantomjs chef/python2
                 chef/make chef/gcc chef/gcc-libs)
 pkg_lib_dirs=(lib)