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module HealthCheck
class S3HealthCheck
extend BaseHealthCheck
class << self
def check
unless defined?(::Aws)
raise "Wrong configuration. Missing 'aws-sdk' gem"
end
return create_error 's3', 'Could not connect to aws' if aws_s3_client.nil?
HealthCheck.buckets.each do |bucket_name, permissions|
if permissions.nil? # backward compatible
permissions = [:R, :W, :D]
end
permissions.each do |permision|
begin
send(permision, bucket_name)
rescue Exception => e
raise "bucket:#{bucket_name}, permission:#{permision} - #{e.message}"
end
end
end
''
rescue Exception => e
create_error 's3', e.message
end
private
def configure_client
return unless defined?(Rails)
aws_configuration = {
region: Rails.application.secrets.aws_default_region,
credentials: ::Aws::Credentials.new(
Rails.application.secrets.aws_access_key_id,
Rails.application.secrets.aws_secret_access_key
),
force_path_style: true
}
::Aws::S3::Client.new aws_configuration
end
def aws_s3_client
@aws_s3_client ||= configure_client
end
def R(bucket)
aws_s3_client.list_objects(bucket: bucket)
end
def W(bucket)
aws_s3_client.put_object(bucket: bucket,
key: "healthcheck_#{Rails.application.class.parent_name}",
body: Time.new.to_s)
end
def D(bucket)
aws_s3_client.delete_object(bucket: bucket,
key: "healthcheck_#{Rails.application.class.parent_name}")
end
end
end
end
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