Class: ForemanWebhooks::WebhookService

Inherits:
Object
  • Object
show all
Defined in:
app/services/foreman_webhooks/webhook_service.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(webhook:, event_name:, payload:, headers:, url:) ⇒ WebhookService

Returns a new instance of WebhookService.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 9

def initialize(webhook:, event_name:, payload:, headers:, url:)
  @webhook = webhook
  @event_name = event_name
  @payload = payload
  @rendered_headers = headers
  @rendered_url = url
end

Instance Attribute Details

#event_name ⇒ Object

Returns the value of attribute event_name.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 5

def event_name
  @event_name
end

#payload ⇒ Object

Returns the value of attribute payload.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 5

def payload
  @payload
end

#rendered_headers ⇒ Object

Returns the value of attribute rendered_headers.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 5

def rendered_headers
  @rendered_headers
end

#rendered_url ⇒ Object

Returns the value of attribute rendered_url.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 5

def rendered_url
  @rendered_url
end

#webhook ⇒ Object

Returns the value of attribute webhook.



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 5

def webhook
  @webhook
end

Class Method Details

.request(url:, payload: '', http_method: :GET, user: nil, password: nil, content_type: 'application/json', headers: {}, ca_string: nil, ca_verify: false, follow_redirects: true, redirect_limit: 3) ⇒ Object 



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 62

def self.request(url:, payload: '', http_method: :GET, user: nil, password: nil,
                 content_type: 'application/json', headers: {}, ca_string: nil,
                 ca_verify: false, follow_redirects: true, redirect_limit: 3)
  uri = URI.parse(url)

  request = Object.const_get("Net::HTTP::#{http_method.to_s.capitalize}").new(uri.request_uri)
  request.basic_auth(user, password) if user && password
  request['Content-Type'] = content_type
  request['X-Request-Id'] = ::Logging.mdc['request'] || SecureRandom.uuid
  request['X-Session-Id'] = ::Logging.mdc['session'] || SecureRandom.uuid
  headers.each_pair do |key, value|
    request[key.to_s] = value.to_s
  end
  request.body = payload

  Rails.logger.debug("Webhook #{http_method.to_s.upcase} request: #{uri}")
  Rails.logger.debug("Headers: #{request.to_hash.inspect}")
  Rails.logger.debug("Body: #{request.body.inspect}")

  http = Net::HTTP.new(uri.host, uri.port)
  http.open_timeout = Setting[:proxy_request_timeout]
  http.read_timeout = Setting[:proxy_request_timeout]
  http.ssl_timeout = Setting[:proxy_request_timeout]
  if uri.scheme == 'https'
    http.use_ssl = true
    http.verify_mode = ca_verify ? OpenSSL::SSL::VERIFY_PEER : OpenSSL::SSL::VERIFY_NONE
    http.cert_store = ca_string if ca_string
  end
  http.request(request) do |response|
    case response
    when Net::HTTPRedirection
      new_location = response['location']
      Rails.logger.debug "Redirected to #{new_location} (redirects left: #{redirect_limit})"
      if redirect_limit <= 0
        raise(::Foreman::Exception,
              N_(format('Too many HTTP redirects when calling %{uri}', uri: uri, code: response.code)))
      end
      self.request(url: new_location,
                   payload: payload,
                   http_method: http_method,
                   user: user,
                   password: password,
                   content_type: content_type,
                   ca_string: ca_string,
                   ca_verify: ca_verify,
                   headers: headers,
                   follow_redirects: follow_redirects,
                   redirect_limit: redirect_limit - 1)
    else
      response
    end
  end
end

Instance Method Details

#execute ⇒ Object 



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# File 'app/services/foreman_webhooks/webhook_service.rb', line 17

def execute
  logger.info("Performing '#{webhook.name}' webhook request for event '#{event_name}'")
  Foreman::Logging.blob("Payload for '#{event_name}'", payload)
  headers = {}
  begin
    headers = JSON.parse(rendered_headers)
  rescue StandardError => e
    logger.warn("Could not parse HTTP headers JSON, ignoring: #{e}")
    logger.debug("Headers: #{rendered_headers}")
  end

  response = self.class.request(url: rendered_url,
                                payload: payload,
                                http_method: webhook.http_method,
                                user: webhook.user,
                                password: webhook.password,
                                content_type: webhook.http_content_type,
                                headers: headers,
                                ca_verify: webhook.verify_ssl?,
                                ca_string: webhook.ca_certs_store,
                                follow_redirects: true)

  status = case response.code.to_i
           when 400..599
             logger.error("#{webhook.http_method.to_s.upcase} response was #{response.code}")
             :error
           else
             logger.info("#{webhook.http_method.to_s.upcase} response was #{response.code}")
             :success
           end

  {
    status: status,
    message: response.message,
    http_status: response.code.to_i
  }
rescue SocketError, OpenSSL::SSL::SSLError, Errno::ECONNREFUSED, Errno::ECONNRESET,
       Errno::EHOSTUNREACH, Net::OpenTimeout, Net::ReadTimeout => e
  Foreman::Logging.exception("Failed to execute the webhook #{webhook.name} -> #{event_name}", e)
  {
    status: :error,
    message: e.to_s
  }
end