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CC-2806: Create upgrade template file 

-done
This commit is contained in:
martin 2011-09-30 12:04:58 -04:00
parent c469f51eb3
commit 1bd9cf84ea
4 changed files with 299 additions and 304 deletions
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92
install_minimal/upgrades/upgrade-template.php → install_minimal/upgrades/airtime-2.0.0/UpgradeCommon.php
View File

@ -1,31 +1,4 @@
<?php
/**
* @package Airtime
* @subpackage StorageServer
* @copyright 2010 Sourcefabric O.P.S.
* @license http://www.gnu.org/licenses/gpl.txt
*/
/*
* In the future, most Airtime upgrades will involve just mutating the
* data that is stored on the system. For example, The only data
* we need to preserve between versions is the database, /etc/airtime, and
* /srv/airtime. Everything else is just binary files that can be removed/replaced
* with the new version of Airtime. Of course, the data may need to be in a new
* format, and that's what this upgrade script will be for.
*/
const VERSION_NUMBER = "2.0";
set_include_path(__DIR__.'/../../../airtime_mvc/library' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/library/pear' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/application/models' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/application/configs' . PATH_SEPARATOR . get_include_path());
require_once 'conf.php';
require_once 'DB.php';
require_once 'propel/runtime/lib/Propel.php';
Propel::init(__DIR__."/../../../airtime_mvc/application/configs/airtime-conf.php");
/* These are helper functions that are common to each upgrade such as
* creating connections to a database, backing up config files etc.
@ -52,9 +25,14 @@ class UpgradeCommon{
return true;
}
private static function GetAirtimeSrcDir()
{
return __DIR__."/../../../airtime_mvc";
}
public static function MigrateTablesToVersion($dir, $version)
{
$appDir = AirtimeInstall::GetAirtimeSrcDir();
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
@ -64,7 +42,7 @@ class UpgradeCommon{
public static function BypassMigrations($dir, $version)
{
$appDir = AirtimeInstall::GetAirtimeSrcDir();
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
@ -82,7 +60,7 @@ class UpgradeCommon{
UpgradeCommon::CONF_FILE_API_CLIENT);
// Backup the config files
$suffix = date("Ymdhis")."-2.0.0";
$suffix = date("Ymdhis")."-".VERSION_NUMBER;
foreach ($configFiles as $conf) {
// do not back up monit cfg
if (file_exists($conf)) {
@ -226,57 +204,3 @@ class UpgradeCommon{
fclose($fp);
}
}
/* All functions other than start() should be marked as
* private.
*/
class AirtimeDatabaseUpgrade{
public static function start(){
//self::doDbMigration();
}
private static function doDbMigration(){
if(UpgradeCommon::DbTableExists('doctrine_migration_versions') === false) {
$migrations = array('20110312121200', '20110331111708', '20110402164819', '20110406182005', '20110629143017', '20110711161043', '20110713161043');
foreach($migrations as $migration) {
UpgradeCommon::BypassMigrations(__DIR__, $migration);
}
}
UpgradeCommon::MigrateTablesToVersion(__DIR__, '20110925171256');
}
}
class AirtimeStorWatchedDirsUpgrade{
public static function start(){
}
}
/* This class deals with any modifications to config files in /etc/airtime
* as well as backups. All functions other than start() should be marked
* as private. */
class AirtimeConfigFileUpgrade{
public static function start(){
UpgradeCommon::upgradeConfigFiles();
}
}
/* Into this class put operations that don't fit into any of the other
* 3 classes. For example, there may be stray files scattered throughout
* the filesystem that we don't need anymore. Put the functions to clean
* those out into this class. */
class AirtimeMiscUpgrade{1
public static function start(){
}
}
UpgradeCommonFunctions::connectToDatabase();
AirtimeDatabaseUpgrade::start();
AirtimeStorWatchedDirsUpgrade::start();
AirtimeEtcUpgrade::start();
AirtimeMiscUpgrade::start();

221
install_minimal/upgrades/airtime-2.0.0/airtime-upgrade.php
View File

@ -26,226 +26,7 @@ require_once 'DB.php';
require_once 'propel/runtime/lib/Propel.php';
Propel::init(__DIR__."/../../../airtime_mvc/application/configs/airtime-conf.php");
/* These are helper functions that are common to each upgrade such as
* creating connections to a database, backing up config files etc.
*/
class UpgradeCommon{
const CONF_FILE_AIRTIME = "/etc/airtime/airtime.conf";
const CONF_FILE_PYPO = "/etc/airtime/pypo.cfg";
const CONF_FILE_RECORDER = "/etc/airtime/recorder.cfg";
const CONF_FILE_LIQUIDSOAP = "/etc/airtime/liquidsoap.cfg";
const CONF_FILE_MEDIAMONITOR = "/etc/airtime/media-monitor.cfg";
const CONF_FILE_API_CLIENT = "/etc/airtime/api_client.cfg";
const CONF_PYPO_GRP = "pypo";
const CONF_WWW_DATA_GRP = "www-data";
public static function connectToDatabase(){
global $CC_DBC, $CC_CONFIG;
$values = parse_ini_file('/etc/airtime/airtime.conf', true);
// Database config
$CC_CONFIG['dsn']['username'] = $values['database']['dbuser'];
$CC_CONFIG['dsn']['password'] = $values['database']['dbpass'];
$CC_CONFIG['dsn']['hostspec'] = $values['database']['host'];
$CC_CONFIG['dsn']['phptype'] = 'pgsql';
$CC_CONFIG['dsn']['database'] = $values['database']['dbname'];
$CC_DBC = DB::connect($CC_CONFIG['dsn'], FALSE);
}
public static function DbTableExists($p_name)
{
global $CC_DBC;
$sql = "SELECT * FROM ".$p_name;
$result = $CC_DBC->GetOne($sql);
if (PEAR::isError($result)) {
return false;
}
return true;
}
private static function GetAirtimeSrcDir()
{
return __DIR__."/../../../airtime_mvc";
}
public static function MigrateTablesToVersion($dir, $version)
{
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
"--no-interaction migrations:migrate $version";
system($command);
}
public static function BypassMigrations($dir, $version)
{
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
"--no-interaction --add migrations:version $version";
system($command);
}
public static function upgradeConfigFiles(){
$configFiles = array(UpgradeCommon::CONF_FILE_AIRTIME,
UpgradeCommon::CONF_FILE_PYPO,
UpgradeCommon::CONF_FILE_RECORDER,
UpgradeCommon::CONF_FILE_LIQUIDSOAP,
UpgradeCommon::CONF_FILE_MEDIAMONITOR,
UpgradeCommon::CONF_FILE_API_CLIENT);
// Backup the config files
$suffix = date("Ymdhis")."-2.0.0";
foreach ($configFiles as $conf) {
// do not back up monit cfg
if (file_exists($conf)) {
echo "Backing up $conf to $conf$suffix.bak".PHP_EOL;
//copy($conf, $conf.$suffix.".bak");
exec("cp -p $conf $conf$suffix.bak"); //use cli version to preserve file attributes
}
}
$default_suffix = "200";
self::CreateIniFiles($default_suffix);
self::MergeConfigFiles($configFiles, $suffix);
}
/**
* This function creates the /etc/airtime configuration folder
* and copies the default config files to it.
*/
public static function CreateIniFiles($suffix)
{
if (!file_exists("/etc/airtime/")){
if (!mkdir("/etc/airtime/", 0755, true)){
echo "Could not create /etc/airtime/ directory. Exiting.";
exit(1);
}
}
if (!copy(__DIR__."/airtime.conf.$suffix", UpgradeCommon::CONF_FILE_AIRTIME)){
echo "Could not copy airtime.conf to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/pypo.cfg.$suffix", UpgradeCommon::CONF_FILE_PYPO)){
echo "Could not copy pypo.cfg to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/recorder.cfg.$suffix", UpgradeCommon::CONF_FILE_RECORDER)){
echo "Could not copy recorder.cfg to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/api_client.cfg.$suffix", UpgradeCommon::CONF_FILE_API_CLIENT)){
echo "Could not copy airtime-monit.cfg to /etc/monit/conf.d/. Exiting.";
exit(1);
}
}
private static function MergeConfigFiles($configFiles, $suffix) {
foreach ($configFiles as $conf) {
// we want to use new liquidsoap.cfg so don't merge
// also for monit
if( $conf == self::CONF_FILE_LIQUIDSOAP){
continue;
}
if (file_exists("$conf$suffix.bak")) {
if($conf === self::CONF_FILE_AIRTIME) {
// Parse with sections
$newSettings = parse_ini_file($conf, true);
$oldSettings = parse_ini_file("$conf$suffix.bak", true);
}
else {
$newSettings = self::ReadPythonConfig($conf);
$oldSettings = self::ReadPythonConfig("$conf$suffix.bak");
}
$settings = array_keys($newSettings);
foreach($settings as $section) {
if(isset($oldSettings[$section])) {
if(is_array($oldSettings[$section])) {
$sectionKeys = array_keys($newSettings[$section]);
foreach($sectionKeys as $sectionKey) {
// skip airtim_dir as we want to use new value
if($sectionKey != "airtime_dir"){
if(isset($oldSettings[$section][$sectionKey])) {
self::UpdateIniValue($conf, $sectionKey, $oldSettings[$section][$sectionKey]);
}
}
}
}
else {
self::UpdateIniValue($conf, $section, $oldSettings[$section]);
}
}
}
}
}
}
private static function ReadPythonConfig($p_filename)
{
$values = array();
$fh = fopen($p_filename, 'r');
while(!feof($fh)){
$line = fgets($fh);
if(substr(trim($line), 0, 1) == '#' || trim($line) == ""){
continue;
}else{
$info = explode('=', $line, 2);
$values[trim($info[0])] = trim($info[1]);
}
}
return $values;
}
/**
* This function updates an INI style config file.
*
* A property and the value the property should be changed to are
* supplied. If the property is not found, then no changes are made.
*
* @param string $p_filename
* The path the to the file.
* @param string $p_property
* The property to look for in order to change its value.
* @param string $p_value
* The value the property should be changed to.
*
*/
private static function UpdateIniValue($p_filename, $p_property, $p_value)
{
$lines = file($p_filename);
$n=count($lines);
foreach ($lines as &$line) {
if ($line[0] != "#"){
$key_value = explode("=", $line);
$key = trim($key_value[0]);
if ($key == $p_property){
$line = "$p_property = $p_value".PHP_EOL;
}
}
}
$fp=fopen($p_filename, 'w');
for($i=0; $i<$n; $i++){
fwrite($fp, $lines[$i]);
}
fclose($fp);
}
}
require_once 'UpgradeCommon.php';
/* All functions other than start() should be marked as
* private.

206
install_minimal/upgrades/upgrade-template/UpgradeCommon.php Normal file
View File

@ -0,0 +1,206 @@
<?php
/* These are helper functions that are common to each upgrade such as
* creating connections to a database, backing up config files etc.
*/
class UpgradeCommon{
const CONF_FILE_AIRTIME = "/etc/airtime/airtime.conf";
const CONF_FILE_PYPO = "/etc/airtime/pypo.cfg";
const CONF_FILE_RECORDER = "/etc/airtime/recorder.cfg";
const CONF_FILE_LIQUIDSOAP = "/etc/airtime/liquidsoap.cfg";
const CONF_FILE_MEDIAMONITOR = "/etc/airtime/media-monitor.cfg";
const CONF_FILE_API_CLIENT = "/etc/airtime/api_client.cfg";
const CONF_PYPO_GRP = "pypo";
const CONF_WWW_DATA_GRP = "www-data";
public static function DbTableExists($p_name)
{
global $CC_DBC;
$sql = "SELECT * FROM ".$p_name;
$result = $CC_DBC->GetOne($sql);
if (PEAR::isError($result)) {
return false;
}
return true;
}
private static function GetAirtimeSrcDir()
{
return __DIR__."/../../../airtime_mvc";
}
public static function MigrateTablesToVersion($dir, $version)
{
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
"--no-interaction migrations:migrate $version";
system($command);
}
public static function BypassMigrations($dir, $version)
{
$appDir = self::GetAirtimeSrcDir();
$command = "php $appDir/library/doctrine/migrations/doctrine-migrations.phar ".
"--configuration=$dir/../../DoctrineMigrations/migrations.xml ".
"--db-configuration=$appDir/library/doctrine/migrations/migrations-db.php ".
"--no-interaction --add migrations:version $version";
system($command);
}
public static function upgradeConfigFiles(){
$configFiles = array(UpgradeCommon::CONF_FILE_AIRTIME,
UpgradeCommon::CONF_FILE_PYPO,
UpgradeCommon::CONF_FILE_RECORDER,
UpgradeCommon::CONF_FILE_LIQUIDSOAP,
UpgradeCommon::CONF_FILE_MEDIAMONITOR,
UpgradeCommon::CONF_FILE_API_CLIENT);
// Backup the config files
$suffix = date("Ymdhis")."-".VERSION_NUMBER;
foreach ($configFiles as $conf) {
// do not back up monit cfg
if (file_exists($conf)) {
echo "Backing up $conf to $conf$suffix.bak".PHP_EOL;
//copy($conf, $conf.$suffix.".bak");
exec("cp -p $conf $conf$suffix.bak"); //use cli version to preserve file attributes
}
}
$default_suffix = "200";
self::CreateIniFiles($default_suffix);
self::MergeConfigFiles($configFiles, $suffix);
}
/**
* This function creates the /etc/airtime configuration folder
* and copies the default config files to it.
*/
public static function CreateIniFiles($suffix)
{
if (!file_exists("/etc/airtime/")){
if (!mkdir("/etc/airtime/", 0755, true)){
echo "Could not create /etc/airtime/ directory. Exiting.";
exit(1);
}
}
if (!copy(__DIR__."/airtime.conf.$suffix", self::CONF_FILE_AIRTIME)){
echo "Could not copy airtime.conf to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/pypo.cfg.$suffix", self::CONF_FILE_PYPO)){
echo "Could not copy pypo.cfg to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/recorder.cfg.$suffix", self::CONF_FILE_RECORDER)){
echo "Could not copy recorder.cfg to /etc/airtime/. Exiting.";
exit(1);
}
if (!copy(__DIR__."/api_client.cfg.$suffix", self::CONF_FILE_API_CLIENT)){
echo "Could not copy airtime-monit.cfg to /etc/monit/conf.d/. Exiting.";
exit(1);
}
}
private static function MergeConfigFiles($configFiles, $suffix) {
foreach ($configFiles as $conf) {
// we want to use new liquidsoap.cfg so don't merge
// also for monit
if( $conf == self::CONF_FILE_LIQUIDSOAP){
continue;
}
if (file_exists("$conf$suffix.bak")) {
if($conf === self::CONF_FILE_AIRTIME) {
// Parse with sections
$newSettings = parse_ini_file($conf, true);
$oldSettings = parse_ini_file("$conf$suffix.bak", true);
}
else {
$newSettings = self::ReadPythonConfig($conf);
$oldSettings = self::ReadPythonConfig("$conf$suffix.bak");
}
$settings = array_keys($newSettings);
foreach($settings as $section) {
if(isset($oldSettings[$section])) {
if(is_array($oldSettings[$section])) {
$sectionKeys = array_keys($newSettings[$section]);
foreach($sectionKeys as $sectionKey) {
// skip airtim_dir as we want to use new value
if($sectionKey != "airtime_dir"){
if(isset($oldSettings[$section][$sectionKey])) {
self::UpdateIniValue($conf, $sectionKey, $oldSettings[$section][$sectionKey]);
}
}
}
}
else {
self::UpdateIniValue($conf, $section, $oldSettings[$section]);
}
}
}
}
}
}
private static function ReadPythonConfig($p_filename)
{
$values = array();
$fh = fopen($p_filename, 'r');
while(!feof($fh)){
$line = fgets($fh);
if(substr(trim($line), 0, 1) == '#' || trim($line) == ""){
continue;
}else{
$info = explode('=', $line, 2);
$values[trim($info[0])] = trim($info[1]);
}
}
return $values;
}
/**
* This function updates an INI style config file.
*
* A property and the value the property should be changed to are
* supplied. If the property is not found, then no changes are made.
*
* @param string $p_filename
* The path the to the file.
* @param string $p_property
* The property to look for in order to change its value.
* @param string $p_value
* The value the property should be changed to.
*
*/
private static function UpdateIniValue($p_filename, $p_property, $p_value)
{
$lines = file($p_filename);
$n=count($lines);
foreach ($lines as &$line) {
if ($line[0] != "#"){
$key_value = explode("=", $line);
$key = trim($key_value[0]);
if ($key == $p_property){
$line = "$p_property = $p_value".PHP_EOL;
}
}
}
$fp=fopen($p_filename, 'w');
for($i=0; $i<$n; $i++){
fwrite($fp, $lines[$i]);
}
fclose($fp);
}
}

84
install_minimal/upgrades/upgrade-template/airtime-upgrade.php Normal file
View File

@ -0,0 +1,84 @@
<?php
/**
* @package Airtime
* @subpackage StorageServer
* @copyright 2010 Sourcefabric O.P.S.
* @license http://www.gnu.org/licenses/gpl.txt
*/
/*
* In the future, most Airtime upgrades will involve just mutating the
* data that is stored on the system. For example, The only data
* we need to preserve between versions is the database, /etc/airtime, and
* /srv/airtime. Everything else is just binary files that can be removed/replaced
* with the new version of Airtime. Of course, the data may need to be in a new
* format, and that's what this upgrade script will be for.
*/
const VERSION_NUMBER = "2.0.0";
set_include_path(__DIR__.'/../../../airtime_mvc/library' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/library/pear' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/application/models' . PATH_SEPARATOR . get_include_path());
set_include_path(__DIR__.'/../../../airtime_mvc/application/configs' . PATH_SEPARATOR . get_include_path());
require_once 'conf.php';
require_once 'DB.php';
require_once 'propel/runtime/lib/Propel.php';
Propel::init(__DIR__."/../../../airtime_mvc/application/configs/airtime-conf.php");
require_once 'UpgradeCommon.php';
/* All functions other than start() should be marked as
* private.
*/
class AirtimeDatabaseUpgrade{
public static function start(){
//self::doDbMigration();
}
private static function doDbMigration(){
if(UpgradeCommon::DbTableExists('doctrine_migration_versions') === false) {
$migrations = array('20110312121200', '20110331111708', '20110402164819', '20110406182005', '20110629143017', '20110711161043', '20110713161043');
foreach($migrations as $migration) {
UpgradeCommon::BypassMigrations(__DIR__, $migration);
}
}
UpgradeCommon::MigrateTablesToVersion(__DIR__, '20110925171256');
}
}
class AirtimeStorWatchedDirsUpgrade{
public static function start(){
}
}
/* This class deals with any modifications to config files in /etc/airtime
* as well as backups. All functions other than start() should be marked
* as private. */
class AirtimeConfigFileUpgrade{
public static function start(){
UpgradeCommon::upgradeConfigFiles();
}
}
/* Into this class put operations that don't fit into any of the other
* 3 classes. For example, there may be stray files scattered throughout
* the filesystem that we don't need anymore. Put the functions to clean
* those out into this class. */
class AirtimeMiscUpgrade{1
public static function start(){
}
}
UpgradeCommonFunctions::connectToDatabase();
AirtimeDatabaseUpgrade::start();
AirtimeStorWatchedDirsUpgrade::start();
AirtimeConfigFileUpgrade::start();
AirtimeMiscUpgrade::start();