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class Report < ActiveRecord::Base
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include Authorization
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include ReportCommon
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belongs_to :host
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has_many :messages, :through => :logs
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has_many :sources, :through => :logs
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has_many :logs, :dependent => :destroy
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validates_presence_of :host_id, :reported_at, :status
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validates_uniqueness_of :reported_at, :scope => :host_id
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scoped_search :in => :host, :on => :name, :complete_value => true, :rename => :host
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scoped_search :in => :messages, :on => :value, :rename => :log
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scoped_search :in => :sources, :on => :value, :rename => :resource
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scoped_search :on => :reported_at, :complete_value => true, :default_order => :desc, :rename => :reported
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scoped_search :on => :status, :offset => 0, :word_size => 4*BIT_NUM, :complete_value => {:true => true, :false => false}, :rename => :eventful
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scoped_search :on => :status, :offset => METRIC.index("applied"), :word_size => BIT_NUM, :rename => :applied
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scoped_search :on => :status, :offset => METRIC.index("restarted"), :word_size => BIT_NUM, :rename => :restarted
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scoped_search :on => :status, :offset => METRIC.index("failed"), :word_size => BIT_NUM, :rename => :failed
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scoped_search :on => :status, :offset => METRIC.index("failed_restarts"), :word_size => BIT_NUM, :rename => :failed_restarts
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scoped_search :on => :status, :offset => METRIC.index("skipped"), :word_size => BIT_NUM, :rename => :skipped
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scoped_search :on => :status, :offset => METRIC.index("pending"), :word_size => BIT_NUM, :rename => :pending
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# returns reports for hosts in the User's filter set
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scope :my_reports, lambda {
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return { :conditions => "" } if User.current.admin? # Admin can see all hosts
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conditions = sanitize_sql_for_conditions([" (reports.host_id in (?))", Host.my_hosts.map(&:id)])
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conditions.sub!(/\s*\(\)\s*/, "")
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conditions.sub!(/^(?:\(\))?\s?(?:and|or)\s*/, "")
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conditions.sub!(/\(\s*(?:or|and)\s*\(/, "((")
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{:conditions => conditions}
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}
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# returns recent reports
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scope :recent, lambda { |*args| {:conditions => ["reported_at > ?", (args.first || 1.day.ago)], :order => "reported_at"} }
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# with_changes
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scope :interesting, {:conditions => "status != 0"}
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# a method that save the report values (e.g. values from METRIC)
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# it is not supported to edit status values after it has been written once.
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def status=(st)
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s = st if st.is_a?(Integer)
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s = Report.calc_status st if st.is_a?(Hash)
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write_attribute(:status,s) unless s.nil?
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end
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# extracts serialized metrics and keep them as a hash_with_indifferent_access
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def metrics
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YAML.load(read_attribute(:metrics)).with_indifferent_access
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end
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# serialize metrics as YAML
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def metrics= m
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write_attribute(:metrics,m.to_yaml) unless m.nil?
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end
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def to_label
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"#{host.name} / #{reported_at.to_s}"
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end
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def config_retrieval
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metrics[:time][:config_retrieval].round_with_precision(2) rescue 0
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end
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def runtime
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(metrics[:time][:total] || metrics[:time].values.sum).round(2) rescue 0
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end
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#imports a YAML report into database
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def self.import(yaml)
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report = YAML.load(yaml)
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raise "Invalid report" unless report.is_a?(Puppet::Transaction::Report)
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logger.info "processing report for #{report.host}"
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begin
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host = Host.find_by_certname report.host
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host ||= Host.find_by_name report.host
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host ||= Host.new :name => report.host
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# parse report metrics
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raise "Invalid report: can't find metrics information for #{host} at #{report.id}" if report.metrics.nil?
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# Is this a pre 2.6.x report format?
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@post265 = report.instance_variables.include?("@report_format")
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@pre26 = !report.instance_variables.include?("@resource_statuses")
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# convert report status to bit field
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st = calc_status(metrics_to_hash(report))
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# update host record
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# we update our host record, so we wont need to lookup the report information just to display the host list / info
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# save our report time
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host.last_report = report.time.utc if host.last_report.nil? or host.last_report.utc < report.time.utc
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# we save the raw bit status value in our host too.
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host.puppet_status = st
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# we save the host without validation for two reasons:
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# 1. It might be auto imported, therefore might not be valid (e.g. missing partition table etc)
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# 2. We want this to be fast and light on the db.
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# at this point, the report is important, not as much of the host
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host.save(:validate => false)
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# and save our report
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r = self.create!(:host => host, :reported_at => report.time.utc, :status => st, :metrics => self.m2h(report.metrics))
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# Store all Puppet message logs
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r.import_log_messages report
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# if we are using storeconfigs then we already have the facts
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# so we can refresh foreman internal fields accordingly
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host.populateFieldsFromFacts if Setting[:using_storeconfigs]
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r.inspect_report
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return r
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rescue Exception => e
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logger.warn "Failed to process report for #{report.host} due to:#{e}"
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false
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end
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end
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# returns a hash of hosts and their recent reports metric counts which have values
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# e.g. non zero metrics.
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# first argument is time range, everything afterwards is a host list.
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# TODO: improve SQL query (so its not N+1 queries)
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def self.summarise(time = 1.day.ago, *hosts)
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list = {}
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raise "invalid host list" unless hosts
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hosts.flatten.each do |host|
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# set default of 0 per metric
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metrics = {}
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METRIC.each {|m| metrics[m] = 0 }
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host.reports.recent(time).all(:select => "status").each do |r|
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metrics.each_key do |m|
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metrics[m] += r.status(m)
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end
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end
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list[host.name] = {:metrics => metrics, :id => host.id} if metrics.values.sum > 0
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end
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return list
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end
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# add sort by report time
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def <=>(other)
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self.created_at <=> other.created_at
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end
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# Expire reports based on time and status
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# Defaults to expire reports older than a week regardless of the status
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def self.expire(conditions = {})
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timerange = conditions[:timerange] || 1.week
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status = conditions[:status]
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cond = "created_at < \'#{(Time.now.utc - timerange).to_formatted_s(:db)}\'"
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cond += " and status = #{status}" unless status.nil?
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# using find in batches to reduce the memory abuse
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# trying to be smart about how to delete reports and their associated data, so it would be
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# as fast as possible without a lot of performance penalties.
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count = 0
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Report.find_in_batches(:conditions => cond, :select => :id) do |reports|
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report_ids = reports.map &:id
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Log.delete_all({:report_id => report_ids})
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count += Report.delete_all({:id => report_ids})
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end
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# try to find all non used logs, messages and sources
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# first extract all information from our logs
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all_reports, used_messages, used_sources = [],[],[]
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Log.find_in_batches do |logs|
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logs.each do |log|
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all_reports << log.report_id unless log.report_id.blank?
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used_messages << log.message_id unless log.message_id.blank?
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used_sources << log.source_id unless log.source_id.blank?
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end
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end
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all_reports.uniq! ; used_messages.uniq! ; used_sources.uniq!
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# reports which have logs entries
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used_reports = Report.all(:select => :id, :conditions => {:id => all_reports}).map(&:id)
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orphaned_logs = all_reports - used_reports
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Log.delete_all({:report_id => orphaned_logs}) unless orphaned_logs.empty?
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all_messages = Message.all(:select => :id).map(&:id)
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orphaned_messages = all_messages - used_messages
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Message.delete_all({:id => orphaned_messages}) unless orphaned_messages.empty?
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all_sources = Source.all(:select => :id).map(&:id)
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orphaned_sources = all_sources - used_sources
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Source.delete_all({:id => orphaned_sources}) unless orphaned_sources.empty?
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logger.info Time.now.to_s + ": Expired #{count} Reports"
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return count
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end
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def import_log_messages report
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report.logs.each do |r|
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# skiping debug messages, we dont want them in our db
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next if r.level == :debug
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message = Message.find_or_create_by_value r.message
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source = Source.find_or_create_by_value r.source
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log = Log.create :message_id => message.id, :source_id => source.id, :report_id => self.id, :level => r.level
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log.errors.empty?
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end
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end
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def inspect_report
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if error?
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# found a report with errors
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# notify via email IF enabled is set to true
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logger.warn "#{report.host} is disabled - skipping." and return if host.disabled?
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logger.debug "error detected, checking if we need to send an email alert"
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HostMailer.error_state(self).deliver if Setting[:failed_report_email_notification]
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# add here more actions - e.g. snmp alert etc
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end
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rescue => e
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logger.warn "failed to send failure email notification: #{e}"
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end
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# represent if we have a report --> used to ensure consistency across host report state the report itself
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def no_report
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false
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end
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def as_json(options={})
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{:report =>
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{ :reported_at => reported_at, :status => status,
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:host => host.name, :metrics => metrics, :logs => logs.all(:include => [:source, :message]),
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:id => id, :summary => summaryStatus
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},
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}
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end
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private
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# Converts metrics form Puppet report into a hash
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# this hash is required by the calc_status method
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def self.metrics_to_hash(report)
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report_status = {}
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metrics = report.metrics.with_indifferent_access
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# find our metric values
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METRIC.each do |m|
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if @pre26
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report_status[m] = metrics["resources"][m.to_sym]
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else
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h=translate_metrics_to26(m)
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mv = metrics[h[:type]]
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report_status[m] = mv[h[:name].to_sym] + mv[h[:name].to_s] rescue nil
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end
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report_status[m] ||= 0
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end
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# special fix for false warning about skips
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# sometimes there are skip values, but there are no error messages, we ignore them.
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if report_status["skipped"] > 0 and ((report_status.values.sum) - report_status["skipped"] == report.logs.size)
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report_status["skipped"] = 0
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end
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# fix for reports that contain no metrics (i.e. failed catalog)
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if @post265 and report.respond_to?(:status) and report.status == "failed"
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report_status["failed"] += 1
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end
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return report_status
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end
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# return all metrics as a hash
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def self.m2h metrics
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h = {}
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metrics.each do |title, mtype|
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h[mtype.name] ||= {}
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mtype.values.each{|m| h[mtype.name].merge!({m[0] => m[2]})}
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end
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return h
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end
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# converts a hash into a bit field
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# expects a metrics_to_hash kind of hash
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def self.calc_status (hash = {})
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st = 0
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hash.each do |type, value|
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value = MAX if value > MAX # we store up to 2^BIT_NUM -1 values as we want to use only BIT_NUM bits.
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st |= value << (BIT_NUM*METRIC.index(type))
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end
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return st
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end
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def validate_meteric (type, name)
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log.metrics[type][name].to_f
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rescue Exception => e
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logger.warn "failed to process report due to #{e}"
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nil
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end
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# The metrics layout has changed in Puppet 2.6.x release,
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# this method attempts to align the bit value metrics and the new name scheme in 2.6.x
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# returns a hash of { :type => "metric type", :name => "metric_name"}
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def self.translate_metrics_to26 metric
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case metric
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when "applied"
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if @post265
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{ :type => "changes", :name => "total"}
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else
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{ :type => "total", :name => :changes}
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end
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when "failed_restarts"
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if @pre26
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{ :type => "resources", :name => metric}
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else
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{ :type => "resources", :name => "failed_to_restart"}
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end
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when "pending"
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{ :type => "events", :name => "noop" }
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else
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{ :type => "resources", :name => metric}
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end
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end
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def enforce_permissions operation
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# No one can edit a report
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return false if operation == "edit"
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# Anyone can create a report
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return true if operation == "create"
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return true if operation == "destroy" and User.current.allowed_to?(:destroy_reports)
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errors.add :base, "You do not have permission to #{operation} this report"
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false
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end
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def summaryStatus
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return "Failed" if error?
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return "Modified" if changes?
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return "Success"
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end
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# puppet report status table column name
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def self.report_status
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"status"
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end
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end
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