1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
use garage_util::data::*;
use garage_table::*;
use garage_model::helper::error::{Error, OkOrBadRequest};
use garage_model::s3::object_table::*;
use garage_model::s3::version_table::*;
use crate::cli::*;
use super::*;
impl AdminRpcHandler {
pub(super) async fn handle_block_cmd(&self, cmd: &BlockOperation) -> Result<AdminRpc, Error> {
match cmd {
BlockOperation::ListErrors => Ok(AdminRpc::BlockErrorList(
self.garage.block_manager.list_resync_errors()?,
)),
BlockOperation::Info { hash } => self.handle_block_info(hash).await,
BlockOperation::RetryNow { all, blocks } => {
self.handle_block_retry_now(*all, blocks).await
}
BlockOperation::Purge { yes, blocks } => self.handle_block_purge(*yes, blocks).await,
}
}
async fn handle_block_info(&self, hash: &String) -> Result<AdminRpc, Error> {
let hash = self.find_block_hash_by_prefix(hash)?;
let refcount = self.garage.block_manager.get_block_rc(&hash)?;
let block_refs = self
.garage
.block_ref_table
.get_range(&hash, None, None, 10000, Default::default())
.await?;
let mut versions = vec![];
let mut uploads = vec![];
for br in block_refs {
if let Some(v) = self
.garage
.version_table
.get(&br.version, &EmptyKey)
.await?
{
if let VersionBacklink::MultipartUpload { upload_id } = &v.backlink {
if let Some(u) = self.garage.mpu_table.get(upload_id, &EmptyKey).await? {
uploads.push(u);
}
}
versions.push(Ok(v));
} else {
versions.push(Err(br.version));
}
}
Ok(AdminRpc::BlockInfo {
hash,
refcount,
versions,
uploads,
})
}
async fn handle_block_retry_now(
&self,
all: bool,
blocks: &[String],
) -> Result<AdminRpc, Error> {
if all {
if !blocks.is_empty() {
return Err(Error::BadRequest(
"--all was specified, cannot also specify blocks".into(),
));
}
let blocks = self.garage.block_manager.list_resync_errors()?;
for b in blocks.iter() {
self.garage.block_manager.resync.clear_backoff(&b.hash)?;
}
Ok(AdminRpc::Ok(format!(
"{} blocks returned in queue for a retry now (check logs to see results)",
blocks.len()
)))
} else {
for hash in blocks {
let hash = hex::decode(hash).ok_or_bad_request("invalid hash")?;
let hash = Hash::try_from(&hash).ok_or_bad_request("invalid hash")?;
self.garage.block_manager.resync.clear_backoff(&hash)?;
}
Ok(AdminRpc::Ok(format!(
"{} blocks returned in queue for a retry now (check logs to see results)",
blocks.len()
)))
}
}
async fn handle_block_purge(&self, yes: bool, blocks: &[String]) -> Result<AdminRpc, Error> {
if !yes {
return Err(Error::BadRequest(
"Pass the --yes flag to confirm block purge operation.".into(),
));
}
let mut obj_dels = 0;
let mut mpu_dels = 0;
let mut ver_dels = 0;
for hash in blocks {
let hash = hex::decode(hash).ok_or_bad_request("invalid hash")?;
let hash = Hash::try_from(&hash).ok_or_bad_request("invalid hash")?;
let block_refs = self
.garage
.block_ref_table
.get_range(&hash, None, None, 10000, Default::default())
.await?;
for br in block_refs {
if let Some(version) = self
.garage
.version_table
.get(&br.version, &EmptyKey)
.await?
{
self.handle_block_purge_version_backlink(
&version,
&mut obj_dels,
&mut mpu_dels,
)
.await?;
if !version.deleted.get() {
let deleted_version = Version::new(version.uuid, version.backlink, true);
self.garage.version_table.insert(&deleted_version).await?;
ver_dels += 1;
}
}
}
}
Ok(AdminRpc::Ok(format!(
"Purged {} blocks, {} versions, {} objects, {} multipart uploads",
blocks.len(),
ver_dels,
obj_dels,
mpu_dels,
)))
}
async fn handle_block_purge_version_backlink(
&self,
version: &Version,
obj_dels: &mut usize,
mpu_dels: &mut usize,
) -> Result<(), Error> {
let (bucket_id, key, ov_id) = match &version.backlink {
VersionBacklink::Object { bucket_id, key } => (*bucket_id, key.clone(), version.uuid),
VersionBacklink::MultipartUpload { upload_id } => {
if let Some(mut mpu) = self.garage.mpu_table.get(upload_id, &EmptyKey).await? {
if !mpu.deleted.get() {
mpu.parts.clear();
mpu.deleted.set();
self.garage.mpu_table.insert(&mpu).await?;
*mpu_dels += 1;
}
(mpu.bucket_id, mpu.key.clone(), *upload_id)
} else {
return Ok(());
}
}
};
if let Some(object) = self.garage.object_table.get(&bucket_id, &key).await? {
let ov = object.versions().iter().rev().find(|v| v.is_complete());
if let Some(ov) = ov {
if ov.uuid == ov_id {
let del_uuid = gen_uuid();
let deleted_object = Object::new(
bucket_id,
key,
vec![ObjectVersion {
uuid: del_uuid,
timestamp: ov.timestamp + 1,
state: ObjectVersionState::Complete(ObjectVersionData::DeleteMarker),
}],
);
self.garage.object_table.insert(&deleted_object).await?;
*obj_dels += 1;
}
}
}
Ok(())
}
// ---- helper function ----
fn find_block_hash_by_prefix(&self, prefix: &str) -> Result<Hash, Error> {
if prefix.len() < 4 {
return Err(Error::BadRequest(
"Please specify at least 4 characters of the block hash".into(),
));
}
let prefix_bin =
hex::decode(&prefix[..prefix.len() & !1]).ok_or_bad_request("invalid hash")?;
let iter = self
.garage
.block_ref_table
.data
.store
.range(&prefix_bin[..]..)
.map_err(GarageError::from)?;
let mut found = None;
for item in iter {
let (k, _v) = item.map_err(GarageError::from)?;
let hash = Hash::try_from(&k[..32]).unwrap();
if &hash.as_slice()[..prefix_bin.len()] != prefix_bin {
break;
}
if hex::encode(hash.as_slice()).starts_with(prefix) {
match &found {
Some(x) if *x == hash => (),
Some(_) => {
return Err(Error::BadRequest(format!(
"Several blocks match prefix `{}`",
prefix
)));
}
None => {
found = Some(hash);
}
}
}
}
found.ok_or_else(|| Error::BadRequest("No matching block found".into()))
}
}
|
