Hi Tolbkni, What version of Puppet do you use ?
In puppet 2.6.x, this is a well known issue which can be solved by using the puppetlabs-stdlib "Anchor" type. https://groups.google.com/forum/?fromgroups=#!topic/puppet-users/XfinNTV27T4 Hope it helped you ! Le lundi 27 août 2012 11:45:24 UTC+2, Tolbkni Kao a écrit : > > I am confused about the puppet class/define execution ordering. > I wrote a module named 'mysql', manifests follow: > > *mysql/manifests/init.pp* > >> class mysql($base_dir='/usr/local/mysql') { >> class { 'mysql::install': >> base_dir => $base_dir, >> } >> } >> > > *mysql/manifests/install.pp* > >> class mysql::install($base_dir) { >> group { 'mysql': >> ensure => present, >> } >> user { 'mysql': >> ensure => present, >> gid => 'mysql', >> shell => '/sbin/nologin', >> managehome => false, >> require => Group['mysql'], >> } >> exec { 'download_mariadb_binary': >> path => '/bin:/usr/bin', >> cwd => '/tmp', >> timeout => 0, >> command => 'curl -OL >> http://mirror.yongbok.net/mariadb/mariadb-5.2.12/kvm-bintar-hardy-amd64/mariadb-5.2.12-Linux-x86_64.tar.gz >> ', >> logoutput => on_failure, >> creates => '/tmp/mariadb-5.2.12-Linux-x86_64.tar.gz', >> require => User['mysql'], >> } >> exec { 'install_mariadb_binary': >> path => '/bin:/usr/bin', >> cwd => '/tmp', >> command => "tar xzfP mariadb-5.2.12-Linux-x86_64.tar.gz && mv >> mariadb-5.2.12-Linux-x86_64 $base_dir", >> logoutput => on_failure, >> creates => "${base_dir}/bin/mysql", >> require => Exec['download_mariadb_binary'] >> } >> file { $base_dir: >> ensure => directory, >> require => Exec['install_mariadb_binary'], >> } >> file { "${base_dir}/scripts/start_db.sh": >> ensure => present, >> owner => 'root', >> group => 'root', >> mode => '0755', >> source => 'puppet:///modules/mysql/start_db.sh', >> require => File[$base_dir], >> } >> file { "${base_dir}/scripts/setup_mariadb.sh": >> ensure => present, >> owner => 'root', >> group => 'root', >> mode => '0755', >> source => 'puppet:///modules/mysql/setup_mariadb.sh', >> require => File[$base_dir], >> } >> file { "/tmp/stub_my.cnf": >> ensure => present, >> mode => '0755', >> source => 'puppet:///modules/mysql/stub_my.cnf', >> } >> } >> > > *mysql/manifests/instance.pp* > >> define mysql::instance( >> $bind_address='127.0.0.1', >> $port='3306', >> $extra_port='3991', >> $base_dir='/usr/local/mysql', >> $data_dir='/var/lib/mysql', >> $root_password >> ) { >> exec { 'create_mysql_instance': >> path => "/bin:/sbin:/usr/bin:/usr/sbin", >> cwd => '/tmp', >> command => "sh ${base_dir}/scripts/setup_mariadb.sh \ >> --name=${title} \ >> --stub=/tmp/stub_my.cnf \ >> --bind=$bind_address \ >> --port=$port \ >> --extra-port=$extra_port \ >> --basedir=$base_dir \ >> --datadir=$data_dir \ >> --root-password=$root_password", >> logoutput => on_failure, >> creates => "/etc/mysql/my_${instance}.cnf", >> } >> } >> > > now I wrote a smoke test like this: > mysql/tests/init.pp > >> class { 'mysql': >> base_dir => '/usr/local/mysql' >> } >> mysql::instance { 'test': >> root_password => 'rootpassword' >> } >> Class['mysql'] -> Mysql::Instance['test'] >> > > When I run this smoke test using `puppet apply --noop > /etc/puppet/modules/mysql/tests/init.pp`, the output log follows: > >> notice: >> /Stage[main]/Mysql::Install/Exec[download_mariadb_binary]/returns: executed >> successfully >> notice: /Stage[main]/Mysql::Install/Exec[install_mariadb_binary]/returns: >> executed successfully >> notice: /File[/usr/local/mysql]/owner: owner changed '1001' to 'root' >> notice: /File[/usr/local/mysql]/group: group changed '1001' to 'root' >> notice: /File[/usr/local/mysql]/seluser: seluser changed 'unconfined_u' >> to 'system_u' >> notice: /File[/usr/local/mysql]/seltype: seltype changed 'user_tmp_t' to >> 'usr_t' >> err: >> /Stage[main]//Node[localhost.localdomain]/Mysql::Instance[test]/Exec[create_mysql_instance]/returns: >> >> change from notrun to 0 failed: sh: /usr/local/mysql/scrip >> ts/setup_mariadb.sh: No such file or directory >> > > Why Mysql::Instance['test'] execute before > File["${base}/scripts/setup_mariadb.sh"] > As U see, I have wrote *Class['mysql'] -> Mysql::Instance['test']*, > and when I wrote *Class['mysql::install'] -> Class['mysql'] -> > Mysql::Instance['test']*, > the execution order is right > >> notice: >> /Stage[main]/Mysql::Install/Exec[download_mariadb_binary]/returns: >> current_value notrun, should be 0 (noop) >> notice: /Stage[main]/Mysql::Install/Exec[install_mariadb_binary]/returns: >> current_value notrun, should be 0 (noop) >> notice: /File[/usr/local/mysql]/ensure: current_value absent, should be >> directory (noop) >> notice: /File[/usr/local/mysql/scripts/start_db.sh]/ensure: current_value >> absent, should be file (noop) >> notice: /Stage[main]/Mysql::Install/File[/tmp/stub_my.cnf]/ensure: >> current_value absent, should be file (noop) >> notice: /File[/usr/local/mysql/scripts/setup_mariadb.sh]/ensure: >> current_value absent, should be file (noop) >> notice: Class[Mysql::Install]: Would have triggered 'refresh' from 7 >> events >> notice: >> /Stage[main]//Mysql::Instance[test]/Exec[create_mysql_instance]/returns: >> current_value notrun, should be 0 (noop) >> > > Sorry my bad English, who can help me! 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