fn: sleeper image is now deprecated (#736)

Please use fn-test-utils instead for testing.

images/sleeper/.gitignore

@@ -1,2 +0,0 @@
-bundle/
-.bundle/

images/sleeper/Dockerfile

@@ -1,9 +0,0 @@
-FROM fnproject/ruby:dev
-
-WORKDIR /function
-ADD Gemfile* /function/
-RUN bundle install
-
-ADD . /function/
-
-ENTRYPOINT ["ruby", "func.rb"]

images/sleeper/Gemfile

@@ -1,3 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'json', '> 1.8.2'

images/sleeper/README.md

@@ -1,10 +0,0 @@
-# Sleeper Function Image
-
-This function sleeps for some number of seconds that you pass in. 
-
-Test it with:
-
-```sh
-fn build
-echo '{"sleep": 5}' | fn run
-```

images/sleeper/func.rb

@@ -1,16 +0,0 @@
-require 'json'
-
-payload = STDIN.read
-if payload != ""
-  payload = JSON.parse(payload)
-  
-  # payload contains checks
-  if payload["sleep"] 
-    i = payload['sleep'].to_i
-    STDERR.puts "Sleeping for #{i} seconds..."
-    sleep i
-    puts "I'm awake!" # sending this to stdout for sync response
-  end
-else 
-  puts "ERROR: please pass in a sleep value: {\"sleep\": 5}"
-end

images/sleeper/func.yaml

@@ -1,2 +0,0 @@
-name: fnproject/sleeper
-version: 0.0.4

images/sleeper/release.sh

@@ -1,5 +0,0 @@
-set -e
-
-docker build -t fnproject/sleeper:latest .
-
-docker push fnproject/sleeper:latest