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
|
macro_rules! admin_endpoints {
[
$(@special $special_endpoint:ident,)*
$($endpoint:ident,)*
] => {
paste! {
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum AdminApiRequest {
$(
$special_endpoint( [<$special_endpoint Request>] ),
)*
$(
$endpoint( [<$endpoint Request>] ),
)*
}
#[derive(Debug, Clone, Serialize)]
#[serde(untagged)]
pub enum AdminApiResponse {
$(
$endpoint( [<$endpoint Response>] ),
)*
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum TaggedAdminApiResponse {
$(
$endpoint( [<$endpoint Response>] ),
)*
}
impl AdminApiRequest {
pub fn name(&self) -> &'static str {
match self {
$(
Self::$special_endpoint(_) => stringify!($special_endpoint),
)*
$(
Self::$endpoint(_) => stringify!($endpoint),
)*
}
}
}
impl AdminApiResponse {
pub fn tagged(self) -> TaggedAdminApiResponse {
match self {
$(
Self::$endpoint(res) => TaggedAdminApiResponse::$endpoint(res),
)*
}
}
}
$(
impl From< [< $endpoint Request >] > for AdminApiRequest {
fn from(req: [< $endpoint Request >]) -> AdminApiRequest {
AdminApiRequest::$endpoint(req)
}
}
impl TryFrom<TaggedAdminApiResponse> for [< $endpoint Response >] {
type Error = TaggedAdminApiResponse;
fn try_from(resp: TaggedAdminApiResponse) -> Result< [< $endpoint Response >], TaggedAdminApiResponse> {
match resp {
TaggedAdminApiResponse::$endpoint(v) => Ok(v),
x => Err(x),
}
}
}
)*
impl RequestHandler for AdminApiRequest {
type Response = AdminApiResponse;
async fn handle(self, garage: &Arc<Garage>, admin: &Admin) -> Result<AdminApiResponse, Error> {
Ok(match self {
$(
AdminApiRequest::$special_endpoint(_) => panic!(
concat!(stringify!($special_endpoint), " needs to go through a special handler")
),
)*
$(
AdminApiRequest::$endpoint(req) => AdminApiResponse::$endpoint(req.handle(garage, admin).await?),
)*
})
}
}
}
};
}
macro_rules! local_admin_endpoints {
[
$($endpoint:ident,)*
] => {
paste! {
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum LocalAdminApiRequest {
$(
$endpoint( [<Local $endpoint Request>] ),
)*
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum LocalAdminApiResponse {
$(
$endpoint( [<Local $endpoint Response>] ),
)*
}
$(
pub type [< $endpoint Request >] = MultiRequest< [< Local $endpoint Request >] >;
pub type [< $endpoint RequestBody >] = [< Local $endpoint Request >];
pub type [< $endpoint Response >] = MultiResponse< [< Local $endpoint Response >] >;
impl From< [< Local $endpoint Request >] > for LocalAdminApiRequest {
fn from(req: [< Local $endpoint Request >]) -> LocalAdminApiRequest {
LocalAdminApiRequest::$endpoint(req)
}
}
impl TryFrom<LocalAdminApiResponse> for [< Local $endpoint Response >] {
type Error = LocalAdminApiResponse;
fn try_from(resp: LocalAdminApiResponse) -> Result< [< Local $endpoint Response >], LocalAdminApiResponse> {
match resp {
LocalAdminApiResponse::$endpoint(v) => Ok(v),
x => Err(x),
}
}
}
impl RequestHandler for [< $endpoint Request >] {
type Response = [< $endpoint Response >];
async fn handle(self, garage: &Arc<Garage>, admin: &Admin) -> Result<Self::Response, Error> {
let to = match self.node.as_str() {
"*" => garage.system.cluster_layout().all_nodes().to_vec(),
id => {
let nodes = garage.system.cluster_layout().all_nodes()
.iter()
.filter(|x| hex::encode(x).starts_with(id))
.cloned()
.collect::<Vec<_>>();
if nodes.len() != 1 {
return Err(Error::bad_request(format!("Zero or multiple nodes matching {}: {:?}", id, nodes)));
}
nodes
}
};
let resps = garage.system.rpc_helper().call_many(&admin.endpoint,
&to,
AdminRpc::Internal(self.body.into()),
RequestStrategy::with_priority(PRIO_NORMAL),
).await?;
let mut ret = [< $endpoint Response >] {
success: HashMap::new(),
error: HashMap::new(),
};
for (node, resp) in resps {
match resp {
Ok(AdminRpcResponse::InternalApiOkResponse(r)) => {
match [< Local $endpoint Response >]::try_from(r) {
Ok(r) => {
ret.success.insert(hex::encode(node), r);
}
Err(_) => {
ret.error.insert(hex::encode(node), "returned invalid value".to_string());
}
}
}
Ok(AdminRpcResponse::ApiErrorResponse{error_code, http_code, message}) => {
ret.error.insert(hex::encode(node), format!("{} ({}): {}", error_code, http_code, message));
}
Ok(_) => {
ret.error.insert(hex::encode(node), "returned invalid value".to_string());
}
Err(e) => {
ret.error.insert(hex::encode(node), e.to_string());
}
}
}
Ok(ret)
}
}
)*
impl LocalAdminApiRequest {
pub fn name(&self) -> &'static str {
match self {
$(
Self::$endpoint(_) => stringify!($endpoint),
)*
}
}
}
impl RequestHandler for LocalAdminApiRequest {
type Response = LocalAdminApiResponse;
async fn handle(self, garage: &Arc<Garage>, admin: &Admin) -> Result<LocalAdminApiResponse, Error> {
Ok(match self {
$(
LocalAdminApiRequest::$endpoint(req) => LocalAdminApiResponse::$endpoint(req.handle(garage, admin).await?),
)*
})
}
}
}
};
}
pub(crate) use admin_endpoints;
pub(crate) use local_admin_endpoints;
|
