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retry migration if incomplete (#2522)

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This commit is contained in:
Aiden McClelland
2023-11-16 15:47:28 -07:00
committed by GitHub
parent fbc94cfbfc
commit 0b43aab855
1 changed files with 54 additions and 34 deletions
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88
core/startos/src/init.rs
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@@ -96,44 +96,64 @@ pub async fn init_postgres(datadir: impl AsRef<Path>) -> Result<(), Error> {
let pg_version_string = pg_version.to_string();
let pg_version_path = db_dir.join(&pg_version_string);
if tokio::fs::metadata(&pg_version_path).await.is_err() {
let conf_dir = Path::new("/etc/postgresql").join(pg_version.to_string());
let conf_dir_tmp = {
let mut tmp = conf_dir.clone();
tmp.set_extension("tmp");
tmp
};
if tokio::fs::metadata(&conf_dir).await.is_ok() {
Command::new("mv")
.arg(&conf_dir)
.arg(&conf_dir_tmp)
.invoke(ErrorKind::Filesystem)
.await?;
}
let mut old_version = pg_version;
while old_version > 13
/* oldest pg version included in startos */
if exists
// maybe migrate
{
let incomplete_path = db_dir.join(format!("{pg_version}.migration.incomplete"));
if tokio::fs::metadata(&incomplete_path).await.is_ok() // previous migration was incomplete
&& tokio::fs::metadata(&pg_version_path).await.is_ok()
{
old_version -= 1;
let old_datadir = db_dir.join(old_version.to_string());
if tokio::fs::metadata(&old_datadir).await.is_ok() {
Command::new("pg_upgradecluster")
.arg(old_version.to_string())
.arg("main")
.invoke(crate::ErrorKind::Database)
.await?;
break;
}
tokio::fs::remove_dir_all(&pg_version_path).await?;
}
if tokio::fs::metadata(&conf_dir).await.is_ok() {
if tokio::fs::metadata(&pg_version_path).await.is_err()
// need to migrate
{
let conf_dir = Path::new("/etc/postgresql").join(pg_version.to_string());
let conf_dir_tmp = {
let mut tmp = conf_dir.clone();
tmp.set_extension("tmp");
tmp
};
if tokio::fs::metadata(&conf_dir).await.is_ok() {
tokio::fs::remove_dir_all(&conf_dir).await?;
Command::new("mv")
.arg(&conf_dir)
.arg(&conf_dir_tmp)
.invoke(ErrorKind::Filesystem)
.await?;
}
Command::new("mv")
.arg(&conf_dir_tmp)
.arg(&conf_dir)
.invoke(ErrorKind::Filesystem)
.await?;
let mut old_version = pg_version;
while old_version > 13
/* oldest pg version included in startos */
{
old_version -= 1;
let old_datadir = db_dir.join(old_version.to_string());
if tokio::fs::metadata(&old_datadir).await.is_ok() {
tokio::fs::File::create(&incomplete_path)
.await?
.sync_all()
.await?;
Command::new("pg_upgradecluster")
.arg(old_version.to_string())
.arg("main")
.invoke(crate::ErrorKind::Database)
.await?;
break;
}
}
if tokio::fs::metadata(&conf_dir).await.is_ok() {
if tokio::fs::metadata(&conf_dir).await.is_ok() {
tokio::fs::remove_dir_all(&conf_dir).await?;
}
Command::new("mv")
.arg(&conf_dir_tmp)
.arg(&conf_dir)
.invoke(ErrorKind::Filesystem)
.await?;
}
tokio::fs::remove_file(&incomplete_path).await?;
}
if tokio::fs::metadata(&incomplete_path).await.is_ok() {
unreachable!() // paranoia
}
}