738413c65f
add tooltips in the frontend fix a JS problem with empty hostname use `find_in_batches` correctly add a migration to clean up the pods table + unique index on hostname
100 lines
2.4 KiB
Ruby
100 lines
2.4 KiB
Ruby
class Pod < ActiveRecord::Base
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enum status: %i(
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unchecked
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no_errors
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dns_failed
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net_failed
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ssl_failed
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http_failed
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version_failed
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unknown_error
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)
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ERROR_MAP = {
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ConnectionTester::AddressFailure => :dns_failed,
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ConnectionTester::DNSFailure => :dns_failed,
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ConnectionTester::NetFailure => :net_failed,
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ConnectionTester::SSLFailure => :ssl_failed,
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ConnectionTester::HTTPFailure => :http_failed,
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ConnectionTester::NodeInfoFailure => :version_failed
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}
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scope :check_failed, lambda {
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where(arel_table[:status].gt(Pod.statuses[:no_errors]))
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}
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class << self
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def find_or_create_by(opts) # Rename this method to not override an AR method
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u = URI.parse(opts.fetch(:url))
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find_or_initialize_by(host: u.host).tap do |pod|
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unless pod.persisted?
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pod.ssl = (u.scheme == "https")
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pod.save
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end
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end
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end
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# don't consider a failed version reading to be fatal
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def offline_statuses
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[Pod.statuses[:dns_failed],
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Pod.statuses[:net_failed],
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Pod.statuses[:ssl_failed],
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Pod.statuses[:http_failed],
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Pod.statuses[:unknown_error]]
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end
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def check_all!
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Pod.find_in_batches(batch_size: 20) {|batch| batch.each(&:test_connection!) }
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end
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end
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def offline?
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Pod.offline_statuses.include?(Pod.statuses[status])
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end
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def was_offline?
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Pod.offline_statuses.include?(Pod.statuses[status_was])
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end
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def test_connection!
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url = "#{ssl ? 'https' : 'http'}://#{host}"
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result = ConnectionTester.check url
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logger.info "testing pod: '#{url}' - #{result.inspect}"
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transaction do
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update_from_result(result)
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end
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end
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private
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def update_from_result(result)
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self.status = status_from_result(result)
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if offline?
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touch(:offline_since) unless was_offline?
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logger.warn "OFFLINE #{result.failure_message}"
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else
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self.offline_since = nil
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end
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attributes_from_result(result)
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touch(:checked_at)
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save
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end
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def attributes_from_result(result)
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self.error = result.failure_message[0..254] if result.error?
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self.software = result.software_version[0..254] if result.software_version.present?
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self.response_time = result.rt
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end
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def status_from_result(result)
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if result.error?
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ERROR_MAP.fetch(result.error.class, :unknown_error)
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else
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:no_errors
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end
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end
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end
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