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Commit | Line | Data |
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50bf10ad | 1 | use anyhow::{bail, Error}; |
38ae42b1 | 2 | use ::serde::{Deserialize, Serialize}; |
50bf10ad | 3 | use serde_json::Value; |
25877d05 | 4 | use hex::FromHex; |
50bf10ad | 5 | |
6ef1b649 WB |
6 | use proxmox_router::{Router, RpcEnvironment, Permission}; |
7 | use proxmox_schema::{api, parse_property_string}; | |
50bf10ad | 8 | |
1ce8e905 | 9 | use pbs_api_types::{ |
8cc3760e DM |
10 | Authid, ScsiTapeChanger, ScsiTapeChangerUpdater, LtoTapeDrive, |
11 | PROXMOX_CONFIG_DIGEST_SCHEMA, CHANGER_NAME_SCHEMA, SLOT_ARRAY_SCHEMA, | |
12 | PRIV_TAPE_AUDIT, PRIV_TAPE_MODIFY, | |
1ce8e905 | 13 | }; |
ba3d7e19 | 14 | use pbs_config::CachedUserInfo; |
048b43af | 15 | use pbs_tape::linux_list_drives::{linux_tape_changer_list, check_drive_path}; |
50bf10ad DM |
16 | |
17 | #[api( | |
314652a4 | 18 | protected: true, |
50bf10ad DM |
19 | input: { |
20 | properties: { | |
5af3bcf0 DM |
21 | config: { |
22 | type: ScsiTapeChanger, | |
23 | flatten: true, | |
38ae42b1 | 24 | }, |
50bf10ad DM |
25 | }, |
26 | }, | |
8cd63df0 | 27 | access: { |
ee33795b | 28 | permission: &Permission::Privilege(&["tape", "device"], PRIV_TAPE_MODIFY, false), |
8cd63df0 | 29 | }, |
50bf10ad DM |
30 | )] |
31 | /// Create a new changer device | |
5af3bcf0 | 32 | pub fn create_changer(config: ScsiTapeChanger) -> Result<(), Error> { |
50bf10ad | 33 | |
1ce8e905 | 34 | let _lock = pbs_config::drive::lock()?; |
50bf10ad | 35 | |
5af3bcf0 | 36 | let (mut section_config, _digest) = pbs_config::drive::config()?; |
50bf10ad DM |
37 | |
38 | let linux_changers = linux_tape_changer_list(); | |
39 | ||
5af3bcf0 | 40 | check_drive_path(&linux_changers, &config.path)?; |
50bf10ad | 41 | |
5af3bcf0 | 42 | let existing: Vec<ScsiTapeChanger> = section_config.convert_to_typed_array("changer")?; |
b03ec281 DC |
43 | |
44 | for changer in existing { | |
5af3bcf0 DM |
45 | if changer.name == config.name { |
46 | bail!("Entry '{}' already exists", config.name); | |
b03ec281 DC |
47 | } |
48 | ||
5af3bcf0 DM |
49 | if changer.path == config.path { |
50 | bail!("Path '{}' already in use by '{}'", config.path, changer.name); | |
b03ec281 | 51 | } |
50bf10ad DM |
52 | } |
53 | ||
5af3bcf0 | 54 | section_config.set_data(&config.name, "changer", &config)?; |
50bf10ad | 55 | |
5af3bcf0 | 56 | pbs_config::drive::save_config(§ion_config)?; |
50bf10ad DM |
57 | |
58 | Ok(()) | |
59 | } | |
60 | ||
61 | #[api( | |
62 | input: { | |
63 | properties: { | |
64 | name: { | |
7e1d4712 | 65 | schema: CHANGER_NAME_SCHEMA, |
50bf10ad DM |
66 | }, |
67 | }, | |
68 | }, | |
69 | returns: { | |
70 | type: ScsiTapeChanger, | |
71 | }, | |
8cd63df0 | 72 | access: { |
ee33795b | 73 | permission: &Permission::Privilege(&["tape", "device", "{name}"], PRIV_TAPE_AUDIT, false), |
8cd63df0 | 74 | }, |
50bf10ad DM |
75 | )] |
76 | /// Get tape changer configuration | |
77 | pub fn get_config( | |
78 | name: String, | |
79 | _param: Value, | |
80 | mut rpcenv: &mut dyn RpcEnvironment, | |
81 | ) -> Result<ScsiTapeChanger, Error> { | |
82 | ||
1ce8e905 | 83 | let (config, digest) = pbs_config::drive::config()?; |
50bf10ad DM |
84 | |
85 | let data: ScsiTapeChanger = config.lookup("changer", &name)?; | |
86 | ||
25877d05 | 87 | rpcenv["digest"] = hex::encode(&digest).into(); |
50bf10ad DM |
88 | |
89 | Ok(data) | |
90 | } | |
91 | ||
92 | #[api( | |
93 | input: { | |
94 | properties: {}, | |
95 | }, | |
96 | returns: { | |
97 | description: "The list of configured changers (with config digest).", | |
98 | type: Array, | |
99 | items: { | |
b5b99a52 | 100 | type: ScsiTapeChanger, |
50bf10ad DM |
101 | }, |
102 | }, | |
8cd63df0 DM |
103 | access: { |
104 | description: "List configured tape changer filtered by Tape.Audit privileges", | |
105 | permission: &Permission::Anybody, | |
106 | }, | |
50bf10ad DM |
107 | )] |
108 | /// List changers | |
109 | pub fn list_changers( | |
110 | _param: Value, | |
111 | mut rpcenv: &mut dyn RpcEnvironment, | |
b5b99a52 | 112 | ) -> Result<Vec<ScsiTapeChanger>, Error> { |
8cd63df0 DM |
113 | let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?; |
114 | let user_info = CachedUserInfo::new()?; | |
50bf10ad | 115 | |
1ce8e905 | 116 | let (config, digest) = pbs_config::drive::config()?; |
50bf10ad | 117 | |
b5b99a52 | 118 | let list: Vec<ScsiTapeChanger> = config.convert_to_typed_array("changer")?; |
50bf10ad | 119 | |
8cd63df0 DM |
120 | let list = list |
121 | .into_iter() | |
122 | .filter(|changer| { | |
ee33795b | 123 | let privs = user_info.lookup_privs(&auth_id, &["tape", "device", &changer.name]); |
8cd63df0 DM |
124 | privs & PRIV_TAPE_AUDIT != 0 |
125 | }) | |
126 | .collect(); | |
127 | ||
25877d05 | 128 | rpcenv["digest"] = hex::encode(&digest).into(); |
b5b99a52 | 129 | |
50bf10ad DM |
130 | Ok(list) |
131 | } | |
38ae42b1 DM |
132 | #[api()] |
133 | #[derive(Serialize, Deserialize)] | |
134 | #[allow(non_camel_case_types)] | |
135 | #[serde(rename_all = "kebab-case")] | |
136 | /// Deletable property name | |
137 | pub enum DeletableProperty { | |
138 | /// Delete export-slots. | |
139 | export_slots, | |
140 | } | |
50bf10ad DM |
141 | |
142 | #[api( | |
314652a4 | 143 | protected: true, |
50bf10ad DM |
144 | input: { |
145 | properties: { | |
146 | name: { | |
7e1d4712 | 147 | schema: CHANGER_NAME_SCHEMA, |
50bf10ad | 148 | }, |
5af3bcf0 DM |
149 | update: { |
150 | type: ScsiTapeChangerUpdater, | |
151 | flatten: true, | |
38ae42b1 DM |
152 | }, |
153 | delete: { | |
154 | description: "List of properties to delete.", | |
155 | type: Array, | |
156 | optional: true, | |
157 | items: { | |
158 | type: DeletableProperty, | |
159 | }, | |
160 | }, | |
5ba83ed0 DM |
161 | digest: { |
162 | schema: PROXMOX_CONFIG_DIGEST_SCHEMA, | |
163 | optional: true, | |
164 | }, | |
165 | }, | |
50bf10ad | 166 | }, |
8cd63df0 | 167 | access: { |
ee33795b | 168 | permission: &Permission::Privilege(&["tape", "device", "{name}"], PRIV_TAPE_MODIFY, false), |
8cd63df0 | 169 | }, |
50bf10ad DM |
170 | )] |
171 | /// Update a tape changer configuration | |
172 | pub fn update_changer( | |
173 | name: String, | |
5af3bcf0 | 174 | update: ScsiTapeChangerUpdater, |
38ae42b1 | 175 | delete: Option<Vec<DeletableProperty>>, |
5ba83ed0 | 176 | digest: Option<String>, |
50bf10ad DM |
177 | _param: Value, |
178 | ) -> Result<(), Error> { | |
179 | ||
1ce8e905 | 180 | let _lock = pbs_config::drive::lock()?; |
50bf10ad | 181 | |
1ce8e905 | 182 | let (mut config, expected_digest) = pbs_config::drive::config()?; |
5ba83ed0 DM |
183 | |
184 | if let Some(ref digest) = digest { | |
25877d05 | 185 | let digest = <[u8; 32]>::from_hex(digest)?; |
5ba83ed0 DM |
186 | crate::tools::detect_modified_configuration_file(&digest, &expected_digest)?; |
187 | } | |
50bf10ad DM |
188 | |
189 | let mut data: ScsiTapeChanger = config.lookup("changer", &name)?; | |
190 | ||
38ae42b1 DM |
191 | if let Some(delete) = delete { |
192 | for delete_prop in delete { | |
193 | match delete_prop { | |
194 | DeletableProperty::export_slots => { | |
195 | data.export_slots = None; | |
196 | } | |
197 | } | |
198 | } | |
199 | } | |
200 | ||
5af3bcf0 | 201 | if let Some(path) = update.path { |
50bf10ad DM |
202 | let changers = linux_tape_changer_list(); |
203 | check_drive_path(&changers, &path)?; | |
204 | data.path = path; | |
205 | } | |
206 | ||
5af3bcf0 | 207 | if let Some(export_slots) = update.export_slots { |
38ae42b1 DM |
208 | let slots: Value = parse_property_string( |
209 | &export_slots, &SLOT_ARRAY_SCHEMA | |
210 | )?; | |
211 | let mut slots: Vec<String> = slots | |
212 | .as_array() | |
213 | .unwrap() | |
214 | .iter() | |
215 | .map(|v| v.to_string()) | |
216 | .collect(); | |
217 | slots.sort(); | |
218 | ||
219 | if slots.is_empty() { | |
220 | data.export_slots = None; | |
221 | } else { | |
222 | let slots = slots.join(","); | |
223 | data.export_slots = Some(slots); | |
224 | } | |
225 | } | |
226 | ||
50bf10ad DM |
227 | config.set_data(&name, "changer", &data)?; |
228 | ||
1ce8e905 | 229 | pbs_config::drive::save_config(&config)?; |
50bf10ad DM |
230 | |
231 | Ok(()) | |
232 | } | |
233 | ||
234 | #[api( | |
314652a4 | 235 | protected: true, |
50bf10ad DM |
236 | input: { |
237 | properties: { | |
238 | name: { | |
7e1d4712 | 239 | schema: CHANGER_NAME_SCHEMA, |
50bf10ad DM |
240 | }, |
241 | }, | |
242 | }, | |
8cd63df0 | 243 | access: { |
ee33795b | 244 | permission: &Permission::Privilege(&["tape", "device", "{name}"], PRIV_TAPE_MODIFY, false), |
8cd63df0 | 245 | }, |
50bf10ad DM |
246 | )] |
247 | /// Delete a tape changer configuration | |
248 | pub fn delete_changer(name: String, _param: Value) -> Result<(), Error> { | |
249 | ||
1ce8e905 | 250 | let _lock = pbs_config::drive::lock()?; |
50bf10ad | 251 | |
1ce8e905 | 252 | let (mut config, _digest) = pbs_config::drive::config()?; |
50bf10ad DM |
253 | |
254 | match config.sections.get(&name) { | |
255 | Some((section_type, _)) => { | |
256 | if section_type != "changer" { | |
257 | bail!("Entry '{}' exists, but is not a changer device", name); | |
258 | } | |
259 | config.sections.remove(&name); | |
260 | }, | |
261 | None => bail!("Delete changer '{}' failed - no such entry", name), | |
262 | } | |
263 | ||
a79082a0 | 264 | let drive_list: Vec<LtoTapeDrive> = config.convert_to_typed_array("lto")?; |
43cfb3c3 DM |
265 | for drive in drive_list { |
266 | if let Some(changer) = drive.changer { | |
267 | if changer == name { | |
268 | bail!("Delete changer '{}' failed - used by drive '{}'", name, drive.name); | |
269 | } | |
270 | } | |
271 | } | |
272 | ||
1ce8e905 | 273 | pbs_config::drive::save_config(&config)?; |
50bf10ad DM |
274 | |
275 | Ok(()) | |
276 | } | |
277 | ||
50bf10ad DM |
278 | const ITEM_ROUTER: Router = Router::new() |
279 | .get(&API_METHOD_GET_CONFIG) | |
280 | .put(&API_METHOD_UPDATE_CHANGER) | |
281 | .delete(&API_METHOD_DELETE_CHANGER); | |
282 | ||
283 | ||
284 | pub const ROUTER: Router = Router::new() | |
285 | .get(&API_METHOD_LIST_CHANGERS) | |
286 | .post(&API_METHOD_CREATE_CHANGER) | |
287 | .match_all("name", &ITEM_ROUTER); |