Replace Slack with Rollbar

Currently we use a Slack integration to post error messages to Slack. This change replaces that integration with Rollbar.

This change brings this project in line with our standard approach of using Rollbar, and also simplifies the code.

.env.example

@@ -23,5 +23,6 @@ EMAIL_ALIASES="
 [email protected], [email protected]
 [email protected], [email protected]
 "
-SLACK_API_TOKEN=xoxb-PUT-REST-OF-TOKEN-IN
-SLACK_NOTIFICATION_CHANNEL="dxw-breathe-productive-sync"
+
+ROLLBAR_ACCESS_TOKEN=
+ROLLBAR_ENVIRONMENT= # production | staging | development

Gemfile

@@ -9,7 +9,7 @@ gem "dotenv"
 gem "memo_wise"
 gem "productive", "0.6.73"
 gem "rake"
-gem "slack-ruby-client"
+gem "rollbar"
 
 group :development do
   gem "standard"

Gemfile.lock

@@ -42,8 +42,6 @@ GEM
     faraday-retry (1.0.3)
     faraday_middleware (1.2.0)
       faraday (~> 1.0)
-    gli (2.21.1)
-    hashie (5.0.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     json (2.6.3)
@@ -79,6 +77,7 @@ GEM
     request_store (1.5.1)
       rack (>= 1.4)
     rexml (3.2.6)
+    rollbar (3.4.1)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -113,12 +112,6 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
-    slack-ruby-client (1.0.0)
-      faraday (>= 1.0)
-      faraday_middleware
-      gli
-      hashie
-      websocket-driver
     standard (1.32.0)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.0)
@@ -134,9 +127,6 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
-    websocket-driver (0.7.6)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
 
 PLATFORMS
   arm64-darwin-20
@@ -153,8 +143,8 @@ DEPENDENCIES
   productive (= 0.6.73)
   pry
   rake
+  rollbar
   rspec
-  slack-ruby-client
   standard
 
 RUBY VERSION

README.md

@@ -7,16 +7,6 @@ synchronising those different systems.
 Within dxw this project is deployed and run on Heroku. Due to the sensitive
 nature of the data, only a handful of people have access to it.
 
-## Slack Integration
-
-The app will post messages to a slack channel to report if it has encountered
-an error. You will need to type `@Breathe Productive Sync` to add them to a new
-channel.
-
-You might need to get added to the collaborators list if you need to tweak the
-bot's configuration:
-https://app.slack.com/app-settings/T025PM7N0/A04U1KEJFKR/collaborators
-
 ## Manual usage
 
 Normally you should be running this on a schedule eg on Heroku, but in case you

Rakefile

@@ -1,14 +1,17 @@
 require "dotenv"
 Dotenv.load
 
-require "slack-ruby-client"
-
 require_relative "lib/event/event"
 require_relative "lib/event/event_collection"
 require_relative "lib/person/person"
 require_relative "lib/breathe_client"
 require_relative "lib/productive_client"
 
+Rollbar.configure do |config|
+  config.access_token = ENV.fetch("ROLLBAR_ACCESS_TOKEN")
+  config.environment = ENV.fetch("ROLLBAR_ENVIRONMENT")
+end
+
 def to_bool(arg)
   return true if arg == true || arg =~ (/(true|t|yes|y|1)$/i)
   return false if arg == false || arg =~ (/(false|f|no|n|0)$/i)
@@ -23,26 +26,6 @@ def email_aliases
     .map { |line| line.strip.split(/\s*[,;]\s*/) }
 end
 
-def configure_slack
-  Slack.configure do |config|
-    config.token = ENV.fetch("SLACK_API_TOKEN")
-  end
-  Slack::Web::Client.new
-end
-
-def notify_slack(client, message)
-  message_json = message.to_json
-
-  client.chat_postMessage(
-    channel: ENV.fetch("SLACK_NOTIFICATION_CHANNEL"),
-    text: message,
-    blocks: %([
-      {"type": "section", "text": {"type": "mrkdwn", "text": #{message_json}}}
-      ]),
-    as_user: true
-  )
-end
-
 namespace :productive do
   desc "List all event types on Productive"
   task :list_event_types do
@@ -104,13 +87,7 @@ namespace :breathe do
 
     people_to_sync.each { |person| person.sync_breathe_to_productive(after: earliest_date) }
   rescue => e
-    slack_client = configure_slack
-    message = "There was a *#{e.class}* error with the Breathe/Productive Sync integration:\n" \
-              "```#{e.message}```\n" \
-              "Repository: https://github.com/dxw/scheduling-event-sync/"
-    notify_slack slack_client, message
-    backtrace = e.backtrace.reject { |x| x.include? "/bundle/ruby/" }
-    notify_slack slack_client, "Abbreviated stack trace:\n```" + backtrace.join("\n")[0..2975] + "```"
+    Rollbar.error(e)
     raise
   end