Class: Inspec::Resources::Postgres

Inherits:
Object
  • Object
show all
Defined in:
lib/resources/postgres.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Postgres 



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# File 'lib/resources/postgres.rb', line 12

def initialize
  os = inspec.os
  if os.debian?
    #
    # https://wiki.debian.org/PostgreSql
    #
    # Debian allows multiple versions of postgresql to be
    # installed as well as multiple "clusters" to be configured.
    #
    version = version_from_dir('/etc/postgresql')
    cluster = cluster_from_dir("/etc/postgresql/#{version}")
    @conf_dir = "/etc/postgresql/#{version}/#{cluster}"
    @data_dir = "/var/lib/postgresql/#{version}/#{cluster}"
  elsif os.redhat?
    #
    # /var/lib/pgsql/data is the default data directory on RHEL6
    # and RHEL7. However, PR #824 explicitly added version-based
    # directories. Thus, we call #version_from_dir unless it looks
    # like we are using unversioned directories.
    #
    # TODO(ssd): This has the potential to be noisy because of the
    # warning in version_from_dir. We should determine which case
    # is more common and only warn in the less common case.
    #
    version = if inspec.directory('/var/lib/pgsql/data').exist?
                warn 'Found /var/lib/pgsql/data. Assuming postgresql install uses un-versioned directories.'
                nil
              else
                version_from_dir('/var/lib/pgsql/')
              end

    @data_dir = File.join('/var/lib/pgsql/', version.to_s, 'data')
  elsif os[:name] == 'arch'
    #
    # https://wiki.archlinux.org/index.php/PostgreSQL
    #
    # The archlinux wiki points to /var/lib/postgresql/data as the
    # main data directory.
    #
    @data_dir = '/var/lib/postgres/data'
  else
    #
    # According to https://www.postgresql.org/docs/9.5/static/creating-cluster.html
    #
    # > There is no default, although locations such as
    # > /usr/local/pgsql/data or /var/lib/pgsql/data are popular.
    #
    @data_dir = '/var/lib/pgsql/data'
  end

  @service = 'postgresql'
  @conf_dir ||= @data_dir
  verify_dirs
  @conf_path = File.join @conf_dir, 'postgresql.conf'
end

Instance Attribute Details

#conf_dir ⇒ Object (readonly)

Returns the value of attribute conf_dir.



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# File 'lib/resources/postgres.rb', line 11

def conf_dir
  @conf_dir
end

#conf_path ⇒ Object (readonly)

Returns the value of attribute conf_path.



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# File 'lib/resources/postgres.rb', line 11

def conf_path
  @conf_path
end

#data_dir ⇒ Object (readonly)

Returns the value of attribute data_dir.



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# File 'lib/resources/postgres.rb', line 11

def data_dir
  @data_dir
end

#service ⇒ Object (readonly)

Returns the value of attribute service.



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# File 'lib/resources/postgres.rb', line 11

def service
  @service
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/resources/postgres.rb', line 68

def to_s
  'PostgreSQL'
end