104 lines
2.9 KiB
Ruby
104 lines
2.9 KiB
Ruby
|
#: * `postgresql-upgrade-database`:
|
||
|
#: Upgrades the database for the `postgresql` formula.
|
||
|
|
||
|
name = "postgresql"
|
||
|
pg = Formula[name]
|
||
|
bin = pg.bin
|
||
|
var = pg.var
|
||
|
version = pg.version
|
||
|
pg_version_file = var/"postgres/PG_VERSION"
|
||
|
|
||
|
pg_version_installed = version.to_s[/^\d+/]
|
||
|
pg_version_data = pg_version_file.read.chomp
|
||
|
if pg_version_installed == pg_version_data
|
||
|
odie <<~EOS
|
||
|
#{name} data already upgraded!
|
||
|
EOS
|
||
|
end
|
||
|
|
||
|
datadir = var/"postgres"
|
||
|
old_datadir = var/"postgres.old"
|
||
|
if old_datadir.exist?
|
||
|
odie <<~EOS
|
||
|
#{old_datadir} already exists!
|
||
|
Remove it if you want to upgrade data automatically.
|
||
|
EOS
|
||
|
end
|
||
|
|
||
|
old_bin = Pathname.glob("#{HOMEBREW_PREFIX}/Cellar/#{name}{,@#{pg_version_data}}/#{pg_version_data}.*/bin").first
|
||
|
old_bin ||= begin
|
||
|
old_pg_name = "#{name}@#{pg_version_data}"
|
||
|
Formula[old_pg_name]
|
||
|
ohai "brew install #{old_pg_name}"
|
||
|
system "brew", "install", old_pg_name
|
||
|
Pathname.glob("#{HOMEBREW_PREFIX}/Cellar/#{old_pg_name}/#{pg_version_data}.*/bin").first
|
||
|
rescue FormulaUnavailableError
|
||
|
nil
|
||
|
end
|
||
|
|
||
|
odie "No #{name} #{pg_version_data}.* version installed!" unless old_bin
|
||
|
|
||
|
server_stopped = false
|
||
|
moved_data = false
|
||
|
initdb_run = false
|
||
|
upgraded = false
|
||
|
|
||
|
begin
|
||
|
# Following instructions from:
|
||
|
# https://www.postgresql.org/docs/10/static/pgupgrade.html
|
||
|
ohai "Upgrading #{name} data from #{pg_version_data} to #{pg_version_installed}..."
|
||
|
|
||
|
if /#{name}\s+started/ =~ Utils.popen_read("brew", "services", "list")
|
||
|
system "brew", "services", "stop", name
|
||
|
service_stopped = true
|
||
|
elsif quiet_system "#{bin}/pg_ctl", "-D", datadir, "status"
|
||
|
system "#{bin}/pg_ctl", "-D", datadir, "stop"
|
||
|
server_stopped = true
|
||
|
end
|
||
|
|
||
|
ohai "Moving #{name} data from #{datadir} to #{old_datadir}..."
|
||
|
FileUtils.mv datadir, old_datadir
|
||
|
moved_data = true
|
||
|
|
||
|
(var/"postgres").mkpath
|
||
|
system "#{bin}/initdb", "#{var}/postgres"
|
||
|
initdb_run = true
|
||
|
|
||
|
(var/"log").cd do
|
||
|
system "#{bin}/pg_upgrade",
|
||
|
"-r",
|
||
|
"-b", old_bin,
|
||
|
"-B", bin,
|
||
|
"-d", old_datadir,
|
||
|
"-D", datadir,
|
||
|
"-j", Hardware::CPU.cores.to_s
|
||
|
end
|
||
|
upgraded = true
|
||
|
|
||
|
ohai "Upgraded #{name} data from #{pg_version_data} to #{pg_version_installed}!"
|
||
|
ohai "Your #{name} #{pg_version_data} data remains at #{old_datadir}"
|
||
|
ensure
|
||
|
if upgraded
|
||
|
if server_stopped
|
||
|
safe_system "#{bin}/pg_ctl", "-D", datadir, "start"
|
||
|
elsif service_stopped
|
||
|
safe_system "brew", "services", "start", name
|
||
|
end
|
||
|
else
|
||
|
onoe "Upgrading #{name} data from #{pg_version_data} to #{pg_version_installed} failed!"
|
||
|
if initdb_run
|
||
|
ohai "Removing empty #{name} initdb database..."
|
||
|
FileUtils.rm_r datadir
|
||
|
end
|
||
|
if moved_data
|
||
|
ohai "Moving #{name} data back from #{old_datadir} to #{datadir}..."
|
||
|
FileUtils.mv old_datadir, datadir
|
||
|
end
|
||
|
if server_stopped
|
||
|
system "#{bin}/pg_ctl", "-D", datadir, "start"
|
||
|
elsif service_stopped
|
||
|
system "brew", "services", "start", name
|
||
|
end
|
||
|
end
|
||
|
end
|