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client.rb
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Sun, Nov 24, 4:13 PM

client.rb
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# Bacula Client class.
# All hosts that are getting backed up with Bacula have a Client entry, with
# attributes concerning the Client.
class Client < ActiveRecord::Base
establish_connection BACULA_CONF
self.table_name = "#{connection_config[:database]}.Client"
self.primary_key = :ClientId
alias_attribute :name, :Name
alias_attribute :uname, :Uname
alias_attribute :auto_prune, :AutoPrune
alias_attribute :file_retention, :FileRetention
alias_attribute :job_retention, :JobRetention
has_many :jobs, foreign_key: :ClientId
has_one :host, foreign_key: :name, primary_key: :Name
scope :for_user, ->(user_id) { joins(host: :users).where(users: { id: user_id }) }
DAY_SECS = 60 * 60 * 24
delegate :manually_inserted?, :origin, :quota, to: :host, allow_nil: true
# Fetches the client's job_templates that are already persisted to
# Bacula's configuration
#
# @return [ActiveRecord::Relation] of `JobTemplate`
def persisted_jobs
host.job_templates.where(baculized: true).includes(:fileset, :schedule)
end
# Fetches the client's performed jobs in reverse chronological order
#
# @return [ActiveRecord::Relation] of `Job`
def recent_jobs
jobs.order(SchedTime: :desc).includes(:file_set, :logs)
end
# Helper method. It shows the client's job retention,
# (which is expressed in seconds) in days.
#
# @return [Integer]
def job_retention_days
job_retention / DAY_SECS
end
# Helper method. It shows the client's file retention,
# (which is expressed in seconds) in days.
#
# @return [Integer]
def file_retention_days
file_retention / DAY_SECS
end
# Helper method for auto_prune
#
# @return [String] 'yes' or 'no'
def auto_prune_human
auto_prune == 1 ? 'yes' : 'no'
end
# Helper method for displayin the last job's datetime in a nice format.
def last_job_date_formatted
if job_time = last_job_datetime
I18n.l(job_time, format: :long)
end
end
# Helper method for fetching the last job's datetime
def last_job_datetime
jobs.backup_type.last.try(:end_time)
end
# Fetches the first and last job's end times.
#
# @return [Array] of datetimes in proper format
def backup_enabled_datetime_range
jobs.backup_type.pluck(:end_time).minmax.map { |x| x.strftime('%Y-%m-%d') }
end
# Shows if a client has any backup jobs to Bacule config
#
# @return [Boolean]
def is_backed_up?
jobs.backup_type.any?
end
# Shows the total file size of the jobs that run for a specific client
#
# @return [Integer] Size in Bytes
def backup_jobs_size
jobs.backup_type.map(&:job_bytes).sum
end
# Shows the total files' count for the jobs that run for a specific client
#
# @return [Integer] File count
def files_count
jobs.map(&:job_files).sum
end
# Fetches the client's jobs that are running at the moment
#
# @return [Integer]
def running_jobs
jobs.running.count
end
# Displays the bacula config that is generated from the client's
# host
#
# @return [String]
def bacula_config
return unless host
host.baculize_config.join("\n")
end
# Fetches the job ids that will construct the desired restore
#
# @param file_set_id[Integer] the fileset
# @param restore_point[Datetime] the restore point
#
# @return [Array] of ids
def get_job_ids(file_set_id, restore_point)
job_ids = {}
backup_jobs = jobs.backup_type.terminated.where(file_set_id: file_set_id)
backup_jobs = backup_jobs.where('EndTime < ?', restore_point) if restore_point
job_ids['F'] = backup_jobs.where(level: 'F').pluck(:JobId).last
return [] if job_ids['F'].nil?
job_ids['D'] = backup_jobs.where(level: 'D').where("JobId > ?", job_ids['F']).pluck(:JobId).last
job_ids['I'] = backup_jobs.where(level: 'I').
where("JobId > ?", job_ids['D'] || job_ids['F'] ).pluck(:JobId)
job_ids.values.flatten.compact
end
# Fetches the bacula filesets that are associated with the client
def file_sets
FileSet.joins(:jobs).where(Job: { JobId: job_ids }).uniq
end
end

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