Export AWS SNS application endpoints

export_sns_application_endpoints.rb

@client = AWS::SNS::Client.new(
  region: 'AWS_SNS_REGION',
  access_key_id: 'AWS_SNS_KEY_ID',
  secret_access_key: 'AWS_SNS_ACCESS_KEY'
)

fetch_more = true
next_token = nil
endpoints = []

while fetch_more
  attributes = { 
    platform_application_arn: 'PLATFORM_APPLICATION_ARN' 
  }
  attributes = attributes.merge(next_token: next_token) if next_token.present?
  response = @client.list_endpoints_by_platform_application(attributes)

  response[:endpoints].each do |endpoint|
    endpoints << endpoint.to_h
  end
  
  if response[:next_token].present?
    next_token = response[:next_token]
  else
    fetch_more = false
  end
end

require 'json'
File.open("#{Rails.root.to_s}/public/endpoints.json","w") do |f|
  f.write(endpoints.to_json)
end