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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
|
use std::collections::HashMap;
use std::sync::Arc;
use async_trait::async_trait;
use futures::future::Future;
use http::header::{ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN, ALLOW};
use hyper::{Body, Request, Response, StatusCode};
use opentelemetry::trace::SpanRef;
#[cfg(feature = "metrics")]
use opentelemetry_prometheus::PrometheusExporter;
#[cfg(feature = "metrics")]
use prometheus::{Encoder, TextEncoder};
use garage_model::garage::Garage;
use garage_rpc::system::ClusterHealthStatus;
use garage_util::error::Error as GarageError;
use garage_util::socket_address::UnixOrTCPSocketAddress;
use crate::generic_server::*;
use crate::admin::bucket::*;
use crate::admin::cluster::*;
use crate::admin::error::*;
use crate::admin::key::*;
use crate::admin::router_v0;
use crate::admin::router_v1::{Authorization, Endpoint};
use crate::helpers::host_to_bucket;
pub struct AdminApiServer {
garage: Arc<Garage>,
#[cfg(feature = "metrics")]
exporter: PrometheusExporter,
metrics_token: Option<String>,
admin_token: Option<String>,
}
impl AdminApiServer {
pub fn new(
garage: Arc<Garage>,
#[cfg(feature = "metrics")] exporter: PrometheusExporter,
) -> Self {
let cfg = &garage.config.admin;
let metrics_token = cfg
.metrics_token
.as_ref()
.map(|tok| format!("Bearer {}", tok));
let admin_token = cfg
.admin_token
.as_ref()
.map(|tok| format!("Bearer {}", tok));
Self {
garage,
#[cfg(feature = "metrics")]
exporter,
metrics_token,
admin_token,
}
}
pub async fn run(
self,
bind_addr: UnixOrTCPSocketAddress,
shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> {
let region = self.garage.config.s3_api.s3_region.clone();
ApiServer::new(region, self)
.run_server(bind_addr, Some(0o220), shutdown_signal)
.await
}
fn handle_options(&self, _req: &Request<Body>) -> Result<Response<Body>, Error> {
Ok(Response::builder()
.status(StatusCode::NO_CONTENT)
.header(ALLOW, "OPTIONS, GET, POST")
.header(ACCESS_CONTROL_ALLOW_METHODS, "OPTIONS, GET, POST")
.header(ACCESS_CONTROL_ALLOW_ORIGIN, "*")
.body(Body::empty())?)
}
async fn handle_check_domain(&self, req: Request<Body>) -> Result<Response<Body>, Error> {
let query_params: HashMap<String, String> = req
.uri()
.query()
.map(|v| {
url::form_urlencoded::parse(v.as_bytes())
.into_owned()
.collect()
})
.unwrap_or_else(HashMap::new);
let has_domain_key = query_params.contains_key("domain");
if !has_domain_key {
return Err(Error::bad_request("No domain query string found"));
}
let domain = query_params
.get("domain")
.ok_or_internal_error("Could not parse domain query string")?;
if self.check_domain(domain).await? {
Ok(Response::builder()
.status(StatusCode::OK)
.body(Body::from(format!(
"Domain '{domain}' is managed by Garage"
)))?)
} else {
Err(Error::bad_request(format!(
"Domain '{domain}' is not managed by Garage"
)))
}
}
async fn check_domain(&self, domain: &str) -> Result<bool, Error> {
// Resolve bucket from domain name, inferring if the website must be activated for the
// domain to be valid.
let (bucket_name, must_check_website) = if let Some(bname) = self
.garage
.config
.s3_api
.root_domain
.as_ref()
.and_then(|rd| host_to_bucket(domain, rd))
{
(bname.to_string(), false)
} else if let Some(bname) = self
.garage
.config
.s3_web
.as_ref()
.and_then(|sw| host_to_bucket(domain, sw.root_domain.as_str()))
{
(bname.to_string(), true)
} else {
(domain.to_string(), true)
};
let bucket_id = match self
.garage
.bucket_helper()
.resolve_global_bucket_name(&bucket_name)
.await?
{
Some(bucket_id) => bucket_id,
None => return Ok(false),
};
if !must_check_website {
return Ok(true);
}
let bucket = self
.garage
.bucket_helper()
.get_existing_bucket(bucket_id)
.await?;
let bucket_state = bucket.state.as_option().unwrap();
let bucket_website_config = bucket_state.website_config.get();
match bucket_website_config {
Some(_v) => Ok(true),
None => Ok(false),
}
}
fn handle_health(&self) -> Result<Response<Body>, Error> {
let health = self.garage.system.health();
let (status, status_str) = match health.status {
ClusterHealthStatus::Healthy => (StatusCode::OK, "Garage is fully operational"),
ClusterHealthStatus::Degraded => (
StatusCode::OK,
"Garage is operational but some storage nodes are unavailable",
),
ClusterHealthStatus::Unavailable => (
StatusCode::SERVICE_UNAVAILABLE,
"Quorum is not available for some/all partitions, reads and writes will fail",
),
};
let status_str = format!(
"{}\nConsult the full health check API endpoint at /v1/health for more details\n",
status_str
);
Ok(Response::builder()
.status(status)
.header(http::header::CONTENT_TYPE, "text/plain")
.body(Body::from(status_str))?)
}
fn handle_metrics(&self) -> Result<Response<Body>, Error> {
#[cfg(feature = "metrics")]
{
use opentelemetry::trace::Tracer;
let mut buffer = vec![];
let encoder = TextEncoder::new();
let tracer = opentelemetry::global::tracer("garage");
let metric_families = tracer.in_span("admin/gather_metrics", |_| {
self.exporter.registry().gather()
});
encoder
.encode(&metric_families, &mut buffer)
.ok_or_internal_error("Could not serialize metrics")?;
Ok(Response::builder()
.status(StatusCode::OK)
.header(http::header::CONTENT_TYPE, encoder.format_type())
.body(Body::from(buffer))?)
}
#[cfg(not(feature = "metrics"))]
Err(Error::bad_request(
"Garage was built without the metrics feature".to_string(),
))
}
}
#[async_trait]
impl ApiHandler for AdminApiServer {
const API_NAME: &'static str = "admin";
const API_NAME_DISPLAY: &'static str = "Admin";
type Endpoint = Endpoint;
type Error = Error;
fn parse_endpoint(&self, req: &Request<Body>) -> Result<Endpoint, Error> {
if req.uri().path().starts_with("/v0/") {
let endpoint_v0 = router_v0::Endpoint::from_request(req)?;
Endpoint::from_v0(endpoint_v0)
} else {
Endpoint::from_request(req)
}
}
async fn handle(
&self,
req: Request<Body>,
endpoint: Endpoint,
) -> Result<Response<Body>, Error> {
let expected_auth_header =
match endpoint.authorization_type() {
Authorization::None => None,
Authorization::MetricsToken => self.metrics_token.as_ref(),
Authorization::AdminToken => match &self.admin_token {
None => return Err(Error::forbidden(
"Admin token isn't configured, admin API access is disabled for security.",
)),
Some(t) => Some(t),
},
};
if let Some(h) = expected_auth_header {
match req.headers().get("Authorization") {
None => return Err(Error::forbidden("Authorization token must be provided")),
Some(v) => {
let authorized = v.to_str().map(|hv| hv.trim() == h).unwrap_or(false);
if !authorized {
return Err(Error::forbidden("Invalid authorization token provided"));
}
}
}
}
match endpoint {
Endpoint::Options => self.handle_options(&req),
Endpoint::CheckDomain => self.handle_check_domain(req).await,
Endpoint::Health => self.handle_health(),
Endpoint::Metrics => self.handle_metrics(),
Endpoint::GetClusterStatus => handle_get_cluster_status(&self.garage).await,
Endpoint::GetClusterHealth => handle_get_cluster_health(&self.garage).await,
Endpoint::ConnectClusterNodes => handle_connect_cluster_nodes(&self.garage, req).await,
// Layout
Endpoint::GetClusterLayout => handle_get_cluster_layout(&self.garage).await,
Endpoint::UpdateClusterLayout => handle_update_cluster_layout(&self.garage, req).await,
Endpoint::ApplyClusterLayout => handle_apply_cluster_layout(&self.garage, req).await,
Endpoint::RevertClusterLayout => handle_revert_cluster_layout(&self.garage, req).await,
// Keys
Endpoint::ListKeys => handle_list_keys(&self.garage).await,
Endpoint::GetKeyInfo {
id,
search,
show_secret_key,
} => {
let show_secret_key = show_secret_key.map(|x| x == "true").unwrap_or(false);
handle_get_key_info(&self.garage, id, search, show_secret_key).await
}
Endpoint::CreateKey => handle_create_key(&self.garage, req).await,
Endpoint::ImportKey => handle_import_key(&self.garage, req).await,
Endpoint::UpdateKey { id } => handle_update_key(&self.garage, id, req).await,
Endpoint::DeleteKey { id } => handle_delete_key(&self.garage, id).await,
// Buckets
Endpoint::ListBuckets => handle_list_buckets(&self.garage).await,
Endpoint::GetBucketInfo { id, global_alias } => {
handle_get_bucket_info(&self.garage, id, global_alias).await
}
Endpoint::CreateBucket => handle_create_bucket(&self.garage, req).await,
Endpoint::DeleteBucket { id } => handle_delete_bucket(&self.garage, id).await,
Endpoint::UpdateBucket { id } => handle_update_bucket(&self.garage, id, req).await,
// Bucket-key permissions
Endpoint::BucketAllowKey => {
handle_bucket_change_key_perm(&self.garage, req, true).await
}
Endpoint::BucketDenyKey => {
handle_bucket_change_key_perm(&self.garage, req, false).await
}
// Bucket aliasing
Endpoint::GlobalAliasBucket { id, alias } => {
handle_global_alias_bucket(&self.garage, id, alias).await
}
Endpoint::GlobalUnaliasBucket { id, alias } => {
handle_global_unalias_bucket(&self.garage, id, alias).await
}
Endpoint::LocalAliasBucket {
id,
access_key_id,
alias,
} => handle_local_alias_bucket(&self.garage, id, access_key_id, alias).await,
Endpoint::LocalUnaliasBucket {
id,
access_key_id,
alias,
} => handle_local_unalias_bucket(&self.garage, id, access_key_id, alias).await,
}
}
}
impl ApiEndpoint for Endpoint {
fn name(&self) -> &'static str {
Endpoint::name(self)
}
fn add_span_attributes(&self, _span: SpanRef<'_>) {}
}
|
