Puppet Plan: cd4peadm::install::from_4x::migrate_database

Defined in:
plans/install/from_4x/migrate_database.pp

Summary

Migrate data from the cd4pe and query databases of a 4.x instance

Overview

Migrates the cd4pe and query tables from an existing v4 instance to a v5 instance.

Overwrites any existing data in the 5.x target database.

Parameters:

  • cd4pe_4_target (Target) —

    The target with kubectl access to the v4 instance



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# File 'plans/install/from_4x/migrate_database.pp', line 10

plan cd4peadm::install::from_4x::migrate_database(
  Target $cd4pe_4_target,
) {
  $config = cd4peadm::config()
  $kubernetes_namespace = cd4peadm::default_for_value($cd4pe_4_target.vars['kubernetes_namespace'], 'default')

  $migration_timestamp = Timestamp.new.strftime('%Y-%m-%dT%H_%M_%S')
  # TODO We should probably check whether there is enough space in this dest dir,
  # maybe as a preflight? For now we document that they should have at least 10GB in /tmp.
  $dump_root = "/tmp/cd4pe-migration-${migration_timestamp}"
  $cd4pe_db_dump_path = file::join($dump_root, 'cd4pe_db_dump.tar')
  $query_db_dump_path = file::join($dump_root, 'query_db_dump.tar')

  $tmp_directory = run_plan('cd4peadm::install::from_4x::migrate_database_read_data',
    'cd4pe_4_target'      => $cd4pe_4_target,
    'dump_root'           => $dump_root,
  )

  run_plan('cd4peadm::install::from_4x::migrate_database_write_data',
    'dump_root' => $dump_root,
  )

  run_command("rm ${tmp_directory}/cd4pe_db_dump.tar", 'localhost')
  run_command("rm ${tmp_directory}/query_db_dump.tar", 'localhost')
  run_command("rmdir ${tmp_directory}", 'localhost')
}