DEV: Move TemporaryDB class to its own file (#12383)

rake tasks get repeated reloaded during the tests and it causes
redefinition warnings.
This commit is contained in:
Daniel Waterworth 2021-03-12 11:27:13 -06:00 committed by GitHub
parent 52d833472c
commit e7ac906f21
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2 changed files with 100 additions and 99 deletions

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@ -295,105 +295,6 @@ task 'db:stats' => 'environment' do
print_table(DB.query_hash(sql))
end
class TemporaryDB
PG_TEMP_PATH = "/tmp/pg_schema_tmp"
PG_CONF = "#{PG_TEMP_PATH}/postgresql.conf"
PG_SOCK_PATH = "#{PG_TEMP_PATH}/sockets"
def port_available?(port)
TCPServer.open(port).close
true
rescue Errno::EADDRINUSE
false
end
def pg_bin_path
return @pg_bin_path if @pg_bin_path
["13", "12", "11", "10"].each do |v|
bin_path = "/usr/lib/postgresql/#{v}/bin"
if File.exist?("#{bin_path}/pg_ctl")
@pg_bin_path = bin_path
break
end
end
if !@pg_bin_path
bin_path = "/Applications/Postgres.app/Contents/Versions/latest/bin"
if File.exists?("#{bin_path}/pg_ctl")
@pg_bin_path = bin_path
end
end
if !@pg_bin_path
puts "Can not find postgres bin path"
exit 1
end
@pg_bin_path
end
def initdb_path
return @initdb_path if @initdb_path
@initdb_path = `which initdb 2> /dev/null`.strip
if @initdb_path.length == 0
@initdb_path = "#{pg_bin_path}/initdb"
end
@initdb_path
end
def find_free_port(range)
range.each do |port|
return port if port_available?(port)
end
end
def pg_port
@pg_port ||= find_free_port(11000..11900)
end
def pg_ctl_path
return @pg_ctl_path if @pg_ctl_path
@pg_ctl_path = `which pg_ctl 2> /dev/null`.strip
if @pg_ctl_path.length == 0
@pg_ctl_path = "#{pg_bin_path}/pg_ctl"
end
@pg_ctl_path
end
def start
FileUtils.rm_rf PG_TEMP_PATH
`#{initdb_path} -D '#{PG_TEMP_PATH}' --auth-host=trust --locale=en_US.UTF-8 -E UTF8 2> /dev/null`
FileUtils.mkdir PG_SOCK_PATH
conf = File.read(PG_CONF)
File.write(PG_CONF, conf + "\nport = #{pg_port}\nunix_socket_directories = '#{PG_SOCK_PATH}'")
puts "Starting postgres on port: #{pg_port}"
ENV['DISCOURSE_PG_PORT'] = pg_port.to_s
Thread.new do
`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' start`
end
puts "Waiting for PG server to start..."
while !`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' status`.include?('server is running')
sleep 0.1
end
`createuser -h localhost -p #{pg_port} -s -D -w discourse 2> /dev/null`
`createdb -h localhost -p #{pg_port} discourse`
puts "PG server is ready and DB is loaded"
end
def stop
`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' stop`
end
end
task 'db:ensure_post_migrations' do
if ['1', 'true'].include?(ENV['SKIP_POST_DEPLOYMENT_MIGRATIONS'])
cmd = `cat /proc/#{Process.pid}/cmdline | xargs -0 echo`

100
lib/temporary_db.rb Normal file
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@ -0,0 +1,100 @@
# frozen_string_literal: true
class TemporaryDB
PG_TEMP_PATH = "/tmp/pg_schema_tmp"
PG_CONF = "#{PG_TEMP_PATH}/postgresql.conf"
PG_SOCK_PATH = "#{PG_TEMP_PATH}/sockets"
def port_available?(port)
TCPServer.open(port).close
true
rescue Errno::EADDRINUSE
false
end
def pg_bin_path
return @pg_bin_path if @pg_bin_path
["13", "12", "11", "10"].each do |v|
bin_path = "/usr/lib/postgresql/#{v}/bin"
if File.exist?("#{bin_path}/pg_ctl")
@pg_bin_path = bin_path
break
end
end
if !@pg_bin_path
bin_path = "/Applications/Postgres.app/Contents/Versions/latest/bin"
if File.exists?("#{bin_path}/pg_ctl")
@pg_bin_path = bin_path
end
end
if !@pg_bin_path
puts "Can not find postgres bin path"
exit 1
end
@pg_bin_path
end
def initdb_path
return @initdb_path if @initdb_path
@initdb_path = `which initdb 2> /dev/null`.strip
if @initdb_path.length == 0
@initdb_path = "#{pg_bin_path}/initdb"
end
@initdb_path
end
def find_free_port(range)
range.each do |port|
return port if port_available?(port)
end
end
def pg_port
@pg_port ||= find_free_port(11000..11900)
end
def pg_ctl_path
return @pg_ctl_path if @pg_ctl_path
@pg_ctl_path = `which pg_ctl 2> /dev/null`.strip
if @pg_ctl_path.length == 0
@pg_ctl_path = "#{pg_bin_path}/pg_ctl"
end
@pg_ctl_path
end
def start
FileUtils.rm_rf PG_TEMP_PATH
`#{initdb_path} -D '#{PG_TEMP_PATH}' --auth-host=trust --locale=en_US.UTF-8 -E UTF8 2> /dev/null`
FileUtils.mkdir PG_SOCK_PATH
conf = File.read(PG_CONF)
File.write(PG_CONF, conf + "\nport = #{pg_port}\nunix_socket_directories = '#{PG_SOCK_PATH}'")
puts "Starting postgres on port: #{pg_port}"
ENV['DISCOURSE_PG_PORT'] = pg_port.to_s
Thread.new do
`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' start`
end
puts "Waiting for PG server to start..."
while !`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' status`.include?('server is running')
sleep 0.1
end
`createuser -h localhost -p #{pg_port} -s -D -w discourse 2> /dev/null`
`createdb -h localhost -p #{pg_port} discourse`
puts "PG server is ready and DB is loaded"
end
def stop
`#{pg_ctl_path} -D '#{PG_TEMP_PATH}' stop`
end
end