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use std::sync::Arc;
use garage_table::util::EmptyKey;
use garage_util::crdt::*;
use garage_util::data::*;
use garage_util::error::*;
use garage_util::time::*;
use garage_model_050::bucket_table as old_bucket;
use crate::bucket_alias_table::*;
use crate::bucket_table::*;
use crate::garage::Garage;
use crate::permission::*;
pub struct Migrate {
pub garage: Arc<Garage>,
}
impl Migrate {
pub async fn migrate_buckets050(&self) -> Result<(), Error> {
let tree = self.garage.db.open_tree("bucket:table")?;
for res in tree.iter() {
let (_k, v) = res?;
let bucket = rmp_serde::decode::from_read_ref::<_, old_bucket::Bucket>(&v[..])?;
if let old_bucket::BucketState::Present(p) = bucket.state.get() {
self.migrate_buckets050_do_bucket(&bucket, p).await?;
}
}
Ok(())
}
pub async fn migrate_buckets050_do_bucket(
&self,
old_bucket: &old_bucket::Bucket,
old_bucket_p: &old_bucket::BucketParams,
) -> Result<(), Error> {
let bucket_id = blake2sum(old_bucket.name.as_bytes());
let new_name = if is_valid_bucket_name(&old_bucket.name) {
old_bucket.name.clone()
} else {
// if old bucket name was not valid, replace it by
// a hex-encoded name derived from its identifier
hex::encode(&bucket_id.as_slice()[..16])
};
let new_ak = old_bucket_p
.authorized_keys
.items()
.iter()
.map(|(k, ts, perm)| {
(
k.to_string(),
BucketKeyPerm {
timestamp: *ts,
allow_read: perm.allow_read,
allow_write: perm.allow_write,
allow_owner: false,
},
)
})
.collect::<Map<_, _>>();
let mut aliases = LwwMap::new();
aliases.update_in_place(new_name.clone(), true);
let alias_ts = aliases.get_timestamp(&new_name);
let website = if *old_bucket_p.website.get() {
Some(WebsiteConfig::Website {
index_document: "index.html".into(),
error_document: None,
})
} else {
None
};
let new_bucket = Bucket {
id: bucket_id,
state: Deletable::Present(BucketParams {
creation_date: now_msec(),
authorized_keys: new_ak.clone(),
website_config: Lww::new(website),
aliases,
local_aliases: LwwMap::new(),
}),
};
self.garage.bucket_table.insert(&new_bucket).await?;
let new_alias = BucketAlias::raw(new_name.clone(), alias_ts, new_bucket.id).unwrap();
self.garage.bucket_alias_table.insert(&new_alias).await?;
for (k, perm) in new_ak.items().iter() {
let mut key = self
.garage
.key_table
.get(&EmptyKey, k)
.await?
.ok_or_message(format!("Missing key: {}", k))?;
if let Some(p) = key.state.as_option_mut() {
p.authorized_buckets.put(new_bucket.id, *perm);
}
self.garage.key_table.insert(&key).await?;
}
Ok(())
}
}
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