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add some mutation flags to moonfire-nvr check

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For recovering from corruption, as in #107. These should aid in
restoring database integrity without throwing away the entire database.
I only added the conditions that came up in #107, so far.

*   "Missing ... row" => --trash-orphan-sample-files
*   "Recording ... missing file" => --delete-orphan-rows
*   "bad video_index" => --trash-corrupt-rows
This commit is contained in:
Scott Lamb
2021-02-11 20:03:28 -08:00
parent 5acca1a253
commit 7f711eedeb
2 changed files with 81 additions and 8 deletions
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29
server/src/cmds/check.rs
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@@ -45,12 +45,35 @@ pub struct Args {
/// Compare sample file lengths on disk to the database.
#[structopt(long)]
compare_lens: bool,
/// Trash sample files without matching recording rows in the database.
/// This addresses "Missing ... row" errors.
///
/// The ids are added to the "garbage" table to indicate the files need to
/// be deleted. Garbage is collected on normal startup.
#[structopt(long)]
trash_orphan_sample_files: bool,
/// Delete recording rows in the database without matching sample files.
/// This addresses "Recording ... missing file" errors.
#[structopt(long)]
delete_orphan_rows: bool,
/// Trash recordings when their database rows appear corrupt.
/// This addresses "bad video_index" errors.
///
/// The ids are added to the "garbage" table to indicate their files need to
/// be deleted. Garbage is collected on normal startup.
#[structopt(long)]
trash_corrupt_rows: bool,
}
pub fn run(args: &Args) -> Result<i32, Error> {
// TODO: ReadOnly should be sufficient but seems to fail.
let (_db_dir, conn) = super::open_conn(&args.db_dir, super::OpenMode::ReadWrite)?;
check::run(&conn, &check::Options {
let (_db_dir, mut conn) = super::open_conn(&args.db_dir, super::OpenMode::ReadWrite)?;
check::run(&mut conn, &check::Options {
compare_lens: args.compare_lens,
trash_orphan_sample_files: args.trash_orphan_sample_files,
delete_orphan_rows: args.delete_orphan_rows,
trash_corrupt_rows: args.trash_corrupt_rows,
})
}