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require "csv"
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# Use 'foreman-rake db:schema:dump' to generate database schema and view it as
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# '/usr/share/foreman/db/schema.rb' to find out table and column names.
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# TRANSLATORS: do not translate
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desc <<-END_DESC
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Database exporting
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This task converts data from the internal database to CSV format. Several export templates
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are provided defined in
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/usr/share/foreman/lib/tasks/exports.rake
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It is possible to define own templates via simple DSL and ActiveRecord API in:
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/etc/foreman/exporters.rb.conf
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Available conditions:
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* output => output directory
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* templates => particular templates to be exported (all by default)
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* header => generate column names (CSV only)
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Example:
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rake exports:csv ouput=/tmp/export header=1
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rake exports:csv templates=managed_hosts_provisioning_summary,other_template ouput=/tmp/export
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END_DESC
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$exporters = {}
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def exporter_template(status, name, &proc)
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$exporters[name] = proc if status == :enabled
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end
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exporter_template(:enabled, :managed_hosts_provisioning_summary) do |header, data|
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header << ["Host", "Model", "Arch", "OS", "Medium", "Build", "Comment", "Compute resource"]
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Host::Managed.joins(:architecture, :operatingsystem, :medium)
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.joins("LEFT JOIN models ON hosts.model_id = models.id")
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.joins("LEFT JOIN compute_resources ON hosts.compute_resource_id = compute_resources.id")
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.pluck("name", "models.name", "architectures.name", "operatingsystems.description", "media.name", "build", "comment", "compute_resources.name")
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.each do |record|
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data << record
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end
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end
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exporter_template(:disabled, :discovered_hosts_summary) do |header, data|
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header << ["Host", "CPUs", "Memory", "Disks", "Subnet", "Booted IF", "MACs", "IPs", "Created", "Last report"]
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Host::Discovered.all.find_each do |record|
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facts = record.facts
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data << [
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record.name,
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record.cpu_count,
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record.memory,
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record.disk,
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record.subnet.name,
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facts["discovery_bootif"],
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facts.collect{|k,v| v if k =~ /macaddress/}.compact.join(','),
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facts.collect{|k,v| v if k =~ /ipaddress/}.compact.join(','),
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record.created_at,
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record.last_report,
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]
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end
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end
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# load user-defined reports
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USER_DEFINED_CONF = "/etc/foreman/exporters.rb.conf"
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require USER_DEFINED_CONF if File.exist?(USER_DEFINED_CONF)
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namespace :exports do
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task :csv => :environment do
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output = ENV['output'] || '.'
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only_templates = (ENV['templates'] || '').split(',').collect(&:to_sym)
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$exporters.each_pair do |exporter_name, exporter_proc|
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next if only_templates.count > 0 && !only_templates.include?(exporter_name)
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CSV.open(File.join(output, "#{exporter_name}.csv"), "wb") do |csv|
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header = ENV['header'] ? csv : []
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exporter_proc.call(header, csv)
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end
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end
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end
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end
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