Allow credentials to be set from a config file

Author: casidiablo

lambda-deploy

@@ -1,5 +1,23 @@
 #!/bin/bash
+echo "Creating properties file..."
+echo
+if [ "$GITHUB_TOKEN" = "" ]; then
+  echo "You must specify a Github token using the env variable \$GITHUB_TOKEN.
+If you don't have a token, generate one at https://github.com/settings/tokens"
+  exit -1
+fi
+if [ "$SLACK_WEBHOOK_URL" = "" ]; then
+  echo "You must specify a Slack webhook URL using the env variable \$SLACK_WEBHOOK_URL.
+If you don't have one yet, generate it at https://slack.com/apps/new/A0F7XDUAZ-incoming-webhooks"
+  exit -1
+fi
+
+# create a config file with the token and url
+echo "github.token=$GITHUB_TOKEN" > resources/config.properties
+echo "slack.webhook.url=$SLACK_WEBHOOK_URL" >> resources/config.properties
+
 echo "Creating uberjar:"
+echo
 
 lein uberjar
 cp $PWD/target/uberjar/tako-*-standalone.jar $PWD/target/tako.jar

project.clj

@@ -7,6 +7,7 @@
                  [cheshire "5.5.0"]
                  [org.julienxx/clj-slack "0.5.2.1"]
                  [org.clojure/tools.logging "0.3.1"]
+                 [clojurewerkz/propertied "1.2.0"]
                  [com.amazonaws/aws-lambda-java-core "1.1.0"]]
   :main ^:skip-aot tako.core
   :target-path "target/%s"

resources/config.properties

@@ -0,0 +1,2 @@
+github.token=set when running ./lambda-deploy
+slack.webhook.url=set when running ./lambda-deploy

src/tako/core.clj

@@ -1,12 +1,16 @@
 (ns tako.core
   (:require [tako.github :as github]
             [tako.slack :as slack]
+            [clojure.java.io :as io]
+            [clojurewerkz.propertied.properties :as props]
             [clojure.tools.logging :refer [info]])
   (:gen-class
    :methods [^:static [handler [Object] String]]))
 
-(def github-token      "PLACE YOUR GITHUB TOKEN HERE")
-(def slack-webhook-url "PLACE THE SLACK WEBHOOK URL HERE")
+;; read credentials from config file
+(def config (-> "config.properties" io/resource props/load-from props/properties->map))
+(def github-token      (config "github.token"))
+(def slack-webhook-url (config "slack.webhook.url"))
 
 (defn -handler
   "This is the function called by AWS Lambda"