Send a notification to slack with the free version of sentry (using lambda)
About this article
To notify slack, we have prepared it as an integration of sentry, but only the paid version is available.
I didn't intend to charge for it for personal projects, so I tried to make it available in the free version. Since we are focusing only on the notification part, explanations such as sentry settings are omitted.
Target
--I'm using the free version of sentry and want to notify slack --I have an aws account
About the method
Use sentry's webhook. Specify the URI of lambda as the destination and request from lamda to slack webhook.
procedure
--Set the incoming webhook of slack and prepare the request destination. (Since there are various articles, it is omitted)
--Create lambda and set slack URI in environment variable SLACK_INCOMING_WEBHOOK_URL
--Copy and paste the following lambda process and save / deploy (sample is ruby)
require 'json'
def lambda_handler(event:, context:)
body = JSON.parse(event['body'])
post_query = {
"attachments": [
"pretext": "<#{body['url']}|Exception>\r\nproject: #{body['project_slug']}\r\nenvironment: #{body['event']['environment']}\r\ndetail: #{body['event']['metadata']['filename']}`#{body['event']['metadata']['function']}`",
"color": "#D00000",
"fields": [
"title": "#{body['event']['title']}",
"value": "#{body['culprit']}"
]
]
}
uri = URI.parse(ENV['SLACK_INCOMING_WEBHOOK_URL'])
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.post(uri.path, post_query.to_json)
{ statusCode: 200, body: JSON.generate('') }
end
result
You will receive the following notification. (The sample is an error caused by Rails)
Finally
Since the processing of lambda is premised on an error in Rails, there is a possibility that the information will not be displayed correctly with other frameworks. You can customize it by looking at the sentry webhook parameters.
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