mirror of
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103 lines
3 KiB
Ruby
103 lines
3 KiB
Ruby
# frozen_string_literal: true
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require_relative "../../common/lib/util"
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require_relative "postgres_setup"
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require "logger"
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require "timeout"
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class PostgresUpgrade
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def initialize(version, logger)
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@version = Integer(version)
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@prev_version = @version - 1
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@logger = logger
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end
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def create_upgrade_dir
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r "sudo mkdir -p /dat/upgrade/#{@version}"
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r "sudo chown postgres:postgres /dat/upgrade/#{@version}"
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end
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def promote_previous_version
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# Try to promote, ignore failure if output in case server is already promoted.
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r "sudo pg_ctlcluster promote #{@prev_version} main", expect: [0, 1]
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end
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def disable_previous_version
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r "sudo systemctl disable --now postgresql@#{@prev_version}-main"
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end
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def initialize_new_version
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# TODO: Move these to a separate setup step.
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r "chown postgres /dat"
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PostgresSetup.new(@version, Logger.new($stdout)).setup
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r "rm -rf /dat/#{@version}"
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r "rm -rf /etc/postgresql/#{@version}"
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r "echo \"data_directory = '/dat/#{@version}/data'\" | sudo tee /etc/postgresql-common/createcluster.d/data-dir.conf"
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r "pg_createcluster #{@version} main --port=5432 --start --locale=C.UTF8"
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end
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def stop_new_version
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r "sudo systemctl stop postgresql@#{@version}-main"
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end
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def run_check
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Dir.chdir("/dat/upgrade/#{@version}") do
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r "sudo -u postgres /usr/lib/postgresql/#{@version}/bin/pg_upgrade --old-bindir /usr/lib/postgresql/#{@prev_version}/bin --old-datadir /etc/postgresql/#{@prev_version}/main/ --new-bindir /usr/lib/postgresql/#{@version}/bin --new-datadir /etc/postgresql/#{@version}/main/ --check"
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end
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end
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def run_pg_upgrade
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Dir.chdir("/dat/upgrade/#{@version}") do
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r "sudo -u postgres /usr/lib/postgresql/#{@version}/bin/pg_upgrade --old-bindir /usr/lib/postgresql/#{@prev_version}/bin --old-datadir /etc/postgresql/#{@prev_version}/main/ --new-bindir /usr/lib/postgresql/#{@version}/bin --new-datadir /etc/postgresql/#{@version}/main/ --link"
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end
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end
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def enable_new_version
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r "sudo systemctl enable --now postgresql@#{@version}-main"
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end
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def wait_for_postgres_to_start
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Timeout.timeout(60) do
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loop do
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r "sudo -u postgres pg_isready"
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break
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rescue
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sleep 1
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end
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end
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end
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def run_post_upgrade_scripts
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end
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def run_post_upgrade_extension_update
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end
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def upgrade
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puts "Creating upgrade directory"
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create_upgrade_dir
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puts "Promoting previous version"
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promote_previous_version
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puts "Disabling previous version"
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disable_previous_version
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puts "Initializing new version"
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initialize_new_version
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puts "Stop new version"
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stop_new_version
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puts "Running check"
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run_check
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puts "Running pg upgrade"
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run_pg_upgrade
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puts "Enabling new version"
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enable_new_version
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puts "Running post upgrade scripts"
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run_post_upgrade_scripts
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puts "Running post upgrade extension update"
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run_post_upgrade_extension_update
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end
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def run_query(query)
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r "sudo -u postgres psql -v 'ON_ERROR_STOP=1' -d template1", stdin: query
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end
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end
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