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Commit | Line | Data |
---|---|---|
6402d961 TL |
1 | From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
2 | From: Dietmar Maurer <dietmar@proxmox.com> | |
83faa3fe TL |
3 | Date: Mon, 6 Apr 2020 12:16:59 +0200 |
4 | Subject: [PATCH] PVE-Backup: proxmox backup patches for qemu | |
6402d961 TL |
5 | |
6 | --- | |
83faa3fe TL |
7 | Makefile | 1 + |
8 | Makefile.objs | 2 + | |
9 | Makefile.target | 2 +- | |
10 | block/monitor/block-hmp-cmds.c | 33 ++ | |
11 | blockdev.c | 1 + | |
12 | hmp-commands-info.hx | 13 + | |
13 | hmp-commands.hx | 29 + | |
14 | include/block/block_int.h | 2 +- | |
15 | include/monitor/hmp.h | 3 + | |
16 | monitor/hmp-cmds.c | 44 ++ | |
17 | proxmox-backup-client.c | 182 +++++++ | |
18 | proxmox-backup-client.h | 52 ++ | |
19 | pve-backup.c | 959 +++++++++++++++++++++++++++++++++ | |
20 | qapi/block-core.json | 109 ++++ | |
21 | qapi/common.json | 13 + | |
22 | qapi/misc.json | 13 - | |
23 | 16 files changed, 1443 insertions(+), 15 deletions(-) | |
6402d961 TL |
24 | create mode 100644 proxmox-backup-client.c |
25 | create mode 100644 proxmox-backup-client.h | |
26 | create mode 100644 pve-backup.c | |
27 | ||
83faa3fe | 28 | diff --git a/Makefile b/Makefile |
60ae3775 | 29 | index 7b8c17ce2d..aec216968d 100644 |
83faa3fe TL |
30 | --- a/Makefile |
31 | +++ b/Makefile | |
60ae3775 | 32 | @@ -602,6 +602,7 @@ qemu-img$(EXESUF): qemu-img.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) $(io |
83faa3fe TL |
33 | qemu-nbd$(EXESUF): qemu-nbd.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) |
34 | qemu-io$(EXESUF): qemu-io.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) | |
35 | qemu-storage-daemon$(EXESUF): qemu-storage-daemon.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) $(chardev-obj-y) $(io-obj-y) $(qom-obj-y) $(storage-daemon-obj-y) $(COMMON_LDADDS) | |
36 | +qemu-storage-daemon$(EXESUF): LIBS += -lproxmox_backup_qemu | |
37 | vma$(EXESUF): vma.o vma-reader.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) | |
38 | ||
39 | qemu-bridge-helper$(EXESUF): qemu-bridge-helper.o $(COMMON_LDADDS) | |
6402d961 | 40 | diff --git a/Makefile.objs b/Makefile.objs |
60ae3775 | 41 | index ade7b17a69..240eb503f2 100644 |
6402d961 TL |
42 | --- a/Makefile.objs |
43 | +++ b/Makefile.objs | |
60ae3775 | 44 | @@ -33,6 +33,7 @@ endif # CONFIG_SOFTMMU or CONFIG_TOOLS |
83faa3fe TL |
45 | |
46 | storage-daemon-obj-y = block/ monitor/ qapi/ qom/ storage-daemon/ | |
47 | storage-daemon-obj-y += blockdev.o blockdev-nbd.o iothread.o job-qmp.o | |
48 | +storage-daemon-obj-y += proxmox-backup-client.o pve-backup.o | |
49 | storage-daemon-obj-$(CONFIG_WIN32) += os-win32.o | |
50 | storage-daemon-obj-$(CONFIG_POSIX) += os-posix.o | |
51 | ||
60ae3775 | 52 | @@ -44,6 +45,7 @@ storage-daemon-obj-$(CONFIG_POSIX) += os-posix.o |
6402d961 TL |
53 | ifeq ($(CONFIG_SOFTMMU),y) |
54 | common-obj-y = blockdev.o blockdev-nbd.o block/ | |
55 | common-obj-y += bootdevice.o iothread.o | |
56 | +common-obj-y += proxmox-backup-client.o pve-backup.o | |
57 | common-obj-y += dump/ | |
58 | common-obj-y += job-qmp.o | |
59 | common-obj-y += monitor/ | |
60 | diff --git a/Makefile.target b/Makefile.target | |
60ae3775 | 61 | index ffa2657269..fd3fd6d2a7 100644 |
6402d961 TL |
62 | --- a/Makefile.target |
63 | +++ b/Makefile.target | |
60ae3775 SR |
64 | @@ -159,7 +159,7 @@ obj-y += hw/ |
65 | obj-y += monitor/ | |
66 | obj-y += qapi/ | |
6402d961 TL |
67 | obj-y += migration/ram.o |
68 | -LIBS := $(libs_softmmu) $(LIBS) | |
83faa3fe | 69 | +LIBS := $(libs_softmmu) $(LIBS) -lproxmox_backup_qemu |
6402d961 TL |
70 | |
71 | # Hardware support | |
72 | ifeq ($(TARGET_NAME), sparc64) | |
83faa3fe | 73 | diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c |
d7f4e01a | 74 | index 4c8c375172..d485c3ac79 100644 |
83faa3fe TL |
75 | --- a/block/monitor/block-hmp-cmds.c |
76 | +++ b/block/monitor/block-hmp-cmds.c | |
77 | @@ -1011,3 +1011,36 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict) | |
78 | g_free(sn_tab); | |
79 | g_free(global_snapshots); | |
80 | } | |
81 | + | |
82 | +void hmp_backup_cancel(Monitor *mon, const QDict *qdict) | |
83 | +{ | |
84 | + Error *error = NULL; | |
85 | + | |
86 | + qmp_backup_cancel(&error); | |
87 | + | |
88 | + hmp_handle_error(mon, error); | |
89 | +} | |
90 | + | |
91 | +void hmp_backup(Monitor *mon, const QDict *qdict) | |
92 | +{ | |
93 | + Error *error = NULL; | |
94 | + | |
95 | + int dir = qdict_get_try_bool(qdict, "directory", 0); | |
96 | + const char *backup_file = qdict_get_str(qdict, "backupfile"); | |
97 | + const char *devlist = qdict_get_try_str(qdict, "devlist"); | |
98 | + int64_t speed = qdict_get_try_int(qdict, "speed", 0); | |
99 | + | |
100 | + qmp_backup( | |
101 | + backup_file, | |
c96a4a38 DM |
102 | + false, NULL, // PBS password |
103 | + false, NULL, // PBS keyfile | |
104 | + false, NULL, // PBS key_password | |
105 | + false, NULL, // PBS fingerprint | |
106 | + false, NULL, // PBS backup-id | |
107 | + false, 0, // PBS backup-time | |
83faa3fe TL |
108 | + true, dir ? BACKUP_FORMAT_DIR : BACKUP_FORMAT_VMA, |
109 | + false, NULL, false, NULL, !!devlist, | |
110 | + devlist, qdict_haskey(qdict, "speed"), speed, &error); | |
111 | + | |
112 | + hmp_handle_error(mon, error); | |
113 | +} | |
6402d961 | 114 | diff --git a/blockdev.c b/blockdev.c |
60ae3775 | 115 | index 5107c5445e..3c427fc4be 100644 |
6402d961 TL |
116 | --- a/blockdev.c |
117 | +++ b/blockdev.c | |
118 | @@ -36,6 +36,7 @@ | |
119 | #include "hw/block/block.h" | |
120 | #include "block/blockjob.h" | |
121 | #include "block/qdict.h" | |
122 | +#include "block/blockjob_int.h" | |
123 | #include "block/throttle-groups.h" | |
124 | #include "monitor/monitor.h" | |
125 | #include "qemu/error-report.h" | |
126 | diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx | |
60ae3775 | 127 | index ae8ff21789..da16499f8d 100644 |
6402d961 TL |
128 | --- a/hmp-commands-info.hx |
129 | +++ b/hmp-commands-info.hx | |
60ae3775 | 130 | @@ -513,6 +513,19 @@ SRST |
83faa3fe TL |
131 | Show CPU statistics. |
132 | ERST | |
133 | ||
6402d961 TL |
134 | + { |
135 | + .name = "backup", | |
136 | + .args_type = "", | |
137 | + .params = "", | |
138 | + .help = "show backup status", | |
83faa3fe | 139 | + .cmd = hmp_info_backup, |
6402d961 TL |
140 | + }, |
141 | + | |
83faa3fe TL |
142 | +SRST |
143 | + ``info backup`` | |
144 | + Show backup status. | |
145 | +ERST | |
146 | + | |
6402d961 | 147 | #if defined(CONFIG_SLIRP) |
83faa3fe TL |
148 | { |
149 | .name = "usernet", | |
6402d961 | 150 | diff --git a/hmp-commands.hx b/hmp-commands.hx |
60ae3775 | 151 | index 2b58ac4a1c..9e58b6a5fc 100644 |
6402d961 TL |
152 | --- a/hmp-commands.hx |
153 | +++ b/hmp-commands.hx | |
83faa3fe TL |
154 | @@ -97,6 +97,35 @@ ERST |
155 | SRST | |
156 | ``block_stream`` | |
157 | Copy data from a backing file into a block device. | |
158 | +ERST | |
6402d961 TL |
159 | + |
160 | + { | |
161 | + .name = "backup", | |
162 | + .args_type = "directory:-d,backupfile:s,speed:o?,devlist:s?", | |
163 | + .params = "[-d] backupfile [speed [devlist]]", | |
164 | + .help = "create a VM Backup." | |
165 | + "\n\t\t\t Use -d to dump data into a directory instead" | |
166 | + "\n\t\t\t of using VMA format.", | |
167 | + .cmd = hmp_backup, | |
168 | + }, | |
169 | + | |
83faa3fe TL |
170 | +SRST |
171 | +``backup`` | |
172 | + Create a VM backup. | |
173 | +ERST | |
6402d961 TL |
174 | + |
175 | + { | |
176 | + .name = "backup_cancel", | |
177 | + .args_type = "", | |
178 | + .params = "", | |
179 | + .help = "cancel the current VM backup", | |
83faa3fe | 180 | + .cmd = hmp_backup_cancel, |
6402d961 TL |
181 | + }, |
182 | + | |
83faa3fe TL |
183 | +SRST |
184 | +``backup_cancel`` | |
185 | + Cancel the current VM backup. | |
6402d961 | 186 | + |
83faa3fe | 187 | ERST |
6402d961 TL |
188 | |
189 | { | |
190 | diff --git a/include/block/block_int.h b/include/block/block_int.h | |
60ae3775 | 191 | index dc72197388..5ff3b1186f 100644 |
6402d961 TL |
192 | --- a/include/block/block_int.h |
193 | +++ b/include/block/block_int.h | |
60ae3775 | 194 | @@ -64,7 +64,7 @@ |
6402d961 TL |
195 | |
196 | typedef int BackupDumpFunc(void *opaque, uint64_t offset, uint64_t bytes, const void *buf); | |
197 | ||
198 | -BlockDriverState *bdrv_backuo_dump_create( | |
199 | +BlockDriverState *bdrv_backup_dump_create( | |
200 | int dump_cb_block_size, | |
201 | uint64_t byte_size, | |
202 | BackupDumpFunc *dump_cb, | |
203 | diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h | |
60ae3775 | 204 | index 243952d32f..892a6064be 100644 |
6402d961 TL |
205 | --- a/include/monitor/hmp.h |
206 | +++ b/include/monitor/hmp.h | |
207 | @@ -30,6 +30,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict); | |
208 | void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict); | |
209 | void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict); | |
210 | void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict); | |
211 | +void hmp_info_backup(Monitor *mon, const QDict *qdict); | |
212 | void hmp_info_cpus(Monitor *mon, const QDict *qdict); | |
83faa3fe TL |
213 | void hmp_info_vnc(Monitor *mon, const QDict *qdict); |
214 | void hmp_info_spice(Monitor *mon, const QDict *qdict); | |
215 | @@ -76,6 +77,8 @@ void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict); | |
216 | void hmp_set_password(Monitor *mon, const QDict *qdict); | |
217 | void hmp_expire_password(Monitor *mon, const QDict *qdict); | |
6402d961 | 218 | void hmp_change(Monitor *mon, const QDict *qdict); |
6402d961 TL |
219 | +void hmp_backup(Monitor *mon, const QDict *qdict); |
220 | +void hmp_backup_cancel(Monitor *mon, const QDict *qdict); | |
83faa3fe TL |
221 | void hmp_migrate(Monitor *mon, const QDict *qdict); |
222 | void hmp_device_add(Monitor *mon, const QDict *qdict); | |
223 | void hmp_device_del(Monitor *mon, const QDict *qdict); | |
6402d961 | 224 | diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c |
60ae3775 | 225 | index 280bb447a6..0e2d166552 100644 |
6402d961 TL |
226 | --- a/monitor/hmp-cmds.c |
227 | +++ b/monitor/hmp-cmds.c | |
83faa3fe | 228 | @@ -192,6 +192,50 @@ void hmp_info_mice(Monitor *mon, const QDict *qdict) |
6402d961 TL |
229 | qapi_free_MouseInfoList(mice_list); |
230 | } | |
231 | ||
232 | +void hmp_info_backup(Monitor *mon, const QDict *qdict) | |
233 | +{ | |
234 | + BackupStatus *info; | |
235 | + | |
236 | + info = qmp_query_backup(NULL); | |
237 | + | |
238 | + if (!info) { | |
239 | + monitor_printf(mon, "Backup status: not initialized\n"); | |
240 | + return; | |
241 | + } | |
242 | + | |
243 | + if (info->has_status) { | |
244 | + if (info->has_errmsg) { | |
245 | + monitor_printf(mon, "Backup status: %s - %s\n", | |
246 | + info->status, info->errmsg); | |
247 | + } else { | |
248 | + monitor_printf(mon, "Backup status: %s\n", info->status); | |
249 | + } | |
250 | + } | |
251 | + | |
252 | + if (info->has_backup_file) { | |
253 | + monitor_printf(mon, "Start time: %s", ctime(&info->start_time)); | |
254 | + if (info->end_time) { | |
255 | + monitor_printf(mon, "End time: %s", ctime(&info->end_time)); | |
256 | + } | |
257 | + | |
258 | + int per = (info->has_total && info->total && | |
259 | + info->has_transferred && info->transferred) ? | |
260 | + (info->transferred * 100)/info->total : 0; | |
261 | + int zero_per = (info->has_total && info->total && | |
262 | + info->has_zero_bytes && info->zero_bytes) ? | |
263 | + (info->zero_bytes * 100)/info->total : 0; | |
264 | + monitor_printf(mon, "Backup file: %s\n", info->backup_file); | |
265 | + monitor_printf(mon, "Backup uuid: %s\n", info->uuid); | |
266 | + monitor_printf(mon, "Total size: %zd\n", info->total); | |
267 | + monitor_printf(mon, "Transferred bytes: %zd (%d%%)\n", | |
268 | + info->transferred, per); | |
269 | + monitor_printf(mon, "Zero bytes: %zd (%d%%)\n", | |
270 | + info->zero_bytes, zero_per); | |
271 | + } | |
272 | + | |
273 | + qapi_free_BackupStatus(info); | |
274 | +} | |
275 | + | |
276 | static char *SocketAddress_to_str(SocketAddress *addr) | |
277 | { | |
278 | switch (addr->type) { | |
6402d961 TL |
279 | diff --git a/proxmox-backup-client.c b/proxmox-backup-client.c |
280 | new file mode 100644 | |
281 | index 0000000000..b7bc7f2574 | |
282 | --- /dev/null | |
283 | +++ b/proxmox-backup-client.c | |
284 | @@ -0,0 +1,182 @@ | |
285 | +#include "proxmox-backup-client.h" | |
286 | +#include "qemu/main-loop.h" | |
287 | +#include "block/aio-wait.h" | |
288 | +#include "qapi/error.h" | |
289 | + | |
290 | +/* Proxmox Backup Server client bindings using coroutines */ | |
291 | + | |
292 | +typedef struct BlockOnCoroutineWrapper { | |
293 | + AioContext *ctx; | |
294 | + CoroutineEntry *entry; | |
295 | + void *entry_arg; | |
296 | + bool finished; | |
297 | +} BlockOnCoroutineWrapper; | |
298 | + | |
299 | +// Waker implementaion to syncronice with proxmox backup rust code | |
300 | +typedef struct ProxmoxBackupWaker { | |
301 | + Coroutine *co; | |
302 | + AioContext *ctx; | |
303 | +} ProxmoxBackupWaker; | |
304 | + | |
305 | +static void coroutine_fn block_on_coroutine_wrapper(void *opaque) | |
306 | +{ | |
307 | + BlockOnCoroutineWrapper *wrapper = opaque; | |
308 | + wrapper->entry(wrapper->entry_arg); | |
309 | + wrapper->finished = true; | |
310 | + aio_wait_kick(); | |
311 | +} | |
312 | + | |
313 | +void block_on_coroutine_fn(CoroutineEntry *entry, void *entry_arg) | |
314 | +{ | |
315 | + assert(!qemu_in_coroutine()); | |
316 | + | |
317 | + AioContext *ctx = qemu_get_current_aio_context(); | |
318 | + BlockOnCoroutineWrapper wrapper = { | |
319 | + .finished = false, | |
320 | + .entry = entry, | |
321 | + .entry_arg = entry_arg, | |
322 | + .ctx = ctx, | |
323 | + }; | |
324 | + Coroutine *wrapper_co = qemu_coroutine_create(block_on_coroutine_wrapper, &wrapper); | |
325 | + aio_co_enter(ctx, wrapper_co); | |
326 | + AIO_WAIT_WHILE(ctx, !wrapper.finished); | |
327 | +} | |
328 | + | |
329 | +// This is called from another thread, so we use aio_co_schedule() | |
330 | +static void proxmox_backup_schedule_wake(void *data) { | |
331 | + ProxmoxBackupWaker *waker = (ProxmoxBackupWaker *)data; | |
332 | + aio_co_schedule(waker->ctx, waker->co); | |
333 | +} | |
334 | + | |
335 | +int coroutine_fn | |
336 | +proxmox_backup_co_connect(ProxmoxBackupHandle *pbs, Error **errp) | |
337 | +{ | |
338 | + Coroutine *co = qemu_coroutine_self(); | |
339 | + AioContext *ctx = qemu_get_current_aio_context(); | |
340 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
341 | + char *pbs_err = NULL; | |
342 | + int pbs_res = -1; | |
343 | + | |
344 | + proxmox_backup_connect_async(pbs, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
345 | + qemu_coroutine_yield(); | |
346 | + if (pbs_res < 0) { | |
347 | + if (errp) error_setg(errp, "backup connect failed: %s", pbs_err ? pbs_err : "unknown error"); | |
348 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
349 | + } | |
350 | + return pbs_res; | |
351 | +} | |
352 | + | |
353 | +int coroutine_fn | |
354 | +proxmox_backup_co_add_config( | |
355 | + ProxmoxBackupHandle *pbs, | |
356 | + const char *name, | |
357 | + const uint8_t *data, | |
358 | + uint64_t size, | |
359 | + Error **errp) | |
360 | +{ | |
361 | + Coroutine *co = qemu_coroutine_self(); | |
362 | + AioContext *ctx = qemu_get_current_aio_context(); | |
363 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
364 | + char *pbs_err = NULL; | |
365 | + int pbs_res = -1; | |
366 | + | |
367 | + proxmox_backup_add_config_async( | |
368 | + pbs, name, data, size ,proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
369 | + qemu_coroutine_yield(); | |
370 | + if (pbs_res < 0) { | |
371 | + if (errp) error_setg(errp, "backup add_config %s failed: %s", name, pbs_err ? pbs_err : "unknown error"); | |
372 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
373 | + } | |
374 | + return pbs_res; | |
375 | +} | |
376 | + | |
377 | +int coroutine_fn | |
378 | +proxmox_backup_co_register_image( | |
379 | + ProxmoxBackupHandle *pbs, | |
380 | + const char *device_name, | |
381 | + uint64_t size, | |
382 | + Error **errp) | |
383 | +{ | |
384 | + Coroutine *co = qemu_coroutine_self(); | |
385 | + AioContext *ctx = qemu_get_current_aio_context(); | |
386 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
387 | + char *pbs_err = NULL; | |
388 | + int pbs_res = -1; | |
389 | + | |
390 | + proxmox_backup_register_image_async( | |
391 | + pbs, device_name, size ,proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
392 | + qemu_coroutine_yield(); | |
393 | + if (pbs_res < 0) { | |
394 | + if (errp) error_setg(errp, "backup register image failed: %s", pbs_err ? pbs_err : "unknown error"); | |
395 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
396 | + } | |
397 | + return pbs_res; | |
398 | +} | |
399 | + | |
400 | +int coroutine_fn | |
401 | +proxmox_backup_co_finish( | |
402 | + ProxmoxBackupHandle *pbs, | |
403 | + Error **errp) | |
404 | +{ | |
405 | + Coroutine *co = qemu_coroutine_self(); | |
406 | + AioContext *ctx = qemu_get_current_aio_context(); | |
407 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
408 | + char *pbs_err = NULL; | |
409 | + int pbs_res = -1; | |
410 | + | |
411 | + proxmox_backup_finish_async( | |
412 | + pbs, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
413 | + qemu_coroutine_yield(); | |
414 | + if (pbs_res < 0) { | |
415 | + if (errp) error_setg(errp, "backup finish failed: %s", pbs_err ? pbs_err : "unknown error"); | |
416 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
417 | + } | |
418 | + return pbs_res; | |
419 | +} | |
420 | + | |
421 | +int coroutine_fn | |
422 | +proxmox_backup_co_close_image( | |
423 | + ProxmoxBackupHandle *pbs, | |
424 | + uint8_t dev_id, | |
425 | + Error **errp) | |
426 | +{ | |
427 | + Coroutine *co = qemu_coroutine_self(); | |
428 | + AioContext *ctx = qemu_get_current_aio_context(); | |
429 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
430 | + char *pbs_err = NULL; | |
431 | + int pbs_res = -1; | |
432 | + | |
433 | + proxmox_backup_close_image_async( | |
434 | + pbs, dev_id, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
435 | + qemu_coroutine_yield(); | |
436 | + if (pbs_res < 0) { | |
437 | + if (errp) error_setg(errp, "backup close image failed: %s", pbs_err ? pbs_err : "unknown error"); | |
438 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
439 | + } | |
440 | + return pbs_res; | |
441 | +} | |
442 | + | |
443 | +int coroutine_fn | |
444 | +proxmox_backup_co_write_data( | |
445 | + ProxmoxBackupHandle *pbs, | |
446 | + uint8_t dev_id, | |
447 | + const uint8_t *data, | |
448 | + uint64_t offset, | |
449 | + uint64_t size, | |
450 | + Error **errp) | |
451 | +{ | |
452 | + Coroutine *co = qemu_coroutine_self(); | |
453 | + AioContext *ctx = qemu_get_current_aio_context(); | |
454 | + ProxmoxBackupWaker waker = { .co = co, .ctx = ctx }; | |
455 | + char *pbs_err = NULL; | |
456 | + int pbs_res = -1; | |
457 | + | |
458 | + proxmox_backup_write_data_async( | |
459 | + pbs, dev_id, data, offset, size, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err); | |
460 | + qemu_coroutine_yield(); | |
461 | + if (pbs_res < 0) { | |
462 | + if (errp) error_setg(errp, "backup write data failed: %s", pbs_err ? pbs_err : "unknown error"); | |
463 | + if (pbs_err) proxmox_backup_free_error(pbs_err); | |
464 | + } | |
465 | + return pbs_res; | |
466 | +} | |
467 | diff --git a/proxmox-backup-client.h b/proxmox-backup-client.h | |
468 | new file mode 100644 | |
469 | index 0000000000..b311bf8de8 | |
470 | --- /dev/null | |
471 | +++ b/proxmox-backup-client.h | |
472 | @@ -0,0 +1,52 @@ | |
473 | +#ifndef PROXMOX_BACKUP_CLIENT_H | |
474 | +#define PROXMOX_BACKUP_CLIENT_H | |
475 | + | |
476 | +#include "qemu/osdep.h" | |
477 | +#include "qemu/coroutine.h" | |
478 | +#include "proxmox-backup-qemu.h" | |
479 | + | |
480 | +void block_on_coroutine_fn(CoroutineEntry *entry, void *entry_arg); | |
481 | + | |
482 | +int coroutine_fn | |
483 | +proxmox_backup_co_connect( | |
484 | + ProxmoxBackupHandle *pbs, | |
485 | + Error **errp); | |
486 | + | |
487 | +int coroutine_fn | |
488 | +proxmox_backup_co_add_config( | |
489 | + ProxmoxBackupHandle *pbs, | |
490 | + const char *name, | |
491 | + const uint8_t *data, | |
492 | + uint64_t size, | |
493 | + Error **errp); | |
494 | + | |
495 | +int coroutine_fn | |
496 | +proxmox_backup_co_register_image( | |
497 | + ProxmoxBackupHandle *pbs, | |
498 | + const char *device_name, | |
499 | + uint64_t size, | |
500 | + Error **errp); | |
501 | + | |
502 | + | |
503 | +int coroutine_fn | |
504 | +proxmox_backup_co_finish( | |
505 | + ProxmoxBackupHandle *pbs, | |
506 | + Error **errp); | |
507 | + | |
508 | +int coroutine_fn | |
509 | +proxmox_backup_co_close_image( | |
510 | + ProxmoxBackupHandle *pbs, | |
511 | + uint8_t dev_id, | |
512 | + Error **errp); | |
513 | + | |
514 | +int coroutine_fn | |
515 | +proxmox_backup_co_write_data( | |
516 | + ProxmoxBackupHandle *pbs, | |
517 | + uint8_t dev_id, | |
518 | + const uint8_t *data, | |
519 | + uint64_t offset, | |
520 | + uint64_t size, | |
521 | + Error **errp); | |
522 | + | |
523 | + | |
524 | +#endif /* PROXMOX_BACKUP_CLIENT_H */ | |
525 | diff --git a/pve-backup.c b/pve-backup.c | |
526 | new file mode 100644 | |
527 | index 0000000000..9ae89fb679 | |
528 | --- /dev/null | |
529 | +++ b/pve-backup.c | |
a5feeebc | 530 | @@ -0,0 +1,955 @@ |
6402d961 TL |
531 | +#include "proxmox-backup-client.h" |
532 | +#include "vma.h" | |
533 | + | |
534 | +#include "qemu/osdep.h" | |
535 | +#include "qemu/module.h" | |
536 | +#include "sysemu/block-backend.h" | |
537 | +#include "sysemu/blockdev.h" | |
538 | +#include "block/blockjob.h" | |
539 | +#include "qapi/qapi-commands-block.h" | |
540 | +#include "qapi/qmp/qerror.h" | |
541 | + | |
542 | +/* PVE backup state and related function */ | |
543 | + | |
544 | + | |
545 | +static struct PVEBackupState { | |
546 | + struct { | |
547 | + // Everithing accessed from qmp command, protected using rwlock | |
548 | + CoRwlock rwlock; | |
549 | + Error *error; | |
550 | + time_t start_time; | |
551 | + time_t end_time; | |
552 | + char *backup_file; | |
553 | + uuid_t uuid; | |
554 | + char uuid_str[37]; | |
555 | + size_t total; | |
556 | + size_t transferred; | |
557 | + size_t zero_bytes; | |
558 | + bool cancel; | |
559 | + } stat; | |
560 | + int64_t speed; | |
561 | + VmaWriter *vmaw; | |
562 | + ProxmoxBackupHandle *pbs; | |
563 | + GList *di_list; | |
564 | + CoMutex backup_mutex; | |
565 | +} backup_state; | |
566 | + | |
567 | +static void pvebackup_init(void) | |
568 | +{ | |
569 | + qemu_co_rwlock_init(&backup_state.stat.rwlock); | |
570 | + qemu_co_mutex_init(&backup_state.backup_mutex); | |
571 | +} | |
572 | + | |
573 | +// initialize PVEBackupState at startup | |
574 | +opts_init(pvebackup_init); | |
575 | + | |
576 | +typedef struct PVEBackupDevInfo { | |
577 | + BlockDriverState *bs; | |
578 | + size_t size; | |
579 | + uint8_t dev_id; | |
580 | + bool completed; | |
581 | + char targetfile[PATH_MAX]; | |
582 | + BlockDriverState *target; | |
583 | +} PVEBackupDevInfo; | |
584 | + | |
585 | +static void pvebackup_co_run_next_job(void); | |
586 | + | |
587 | +static int coroutine_fn | |
588 | +pvebackup_co_dump_cb( | |
589 | + void *opaque, | |
590 | + uint64_t start, | |
591 | + uint64_t bytes, | |
592 | + const void *pbuf) | |
593 | +{ | |
594 | + assert(qemu_in_coroutine()); | |
595 | + | |
596 | + const uint64_t size = bytes; | |
597 | + const unsigned char *buf = pbuf; | |
598 | + PVEBackupDevInfo *di = opaque; | |
599 | + | |
600 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
601 | + bool cancel = backup_state.stat.cancel; | |
602 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
603 | + | |
604 | + if (cancel) { | |
605 | + return size; // return success | |
606 | + } | |
607 | + | |
608 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
609 | + | |
610 | + int ret = -1; | |
611 | + | |
612 | + if (backup_state.vmaw) { | |
613 | + size_t zero_bytes = 0; | |
614 | + uint64_t remaining = size; | |
615 | + | |
616 | + uint64_t cluster_num = start / VMA_CLUSTER_SIZE; | |
617 | + if ((cluster_num * VMA_CLUSTER_SIZE) != start) { | |
618 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
619 | + if (!backup_state.stat.error) { | |
620 | + qemu_co_rwlock_upgrade(&backup_state.stat.rwlock); | |
621 | + error_setg(&backup_state.stat.error, | |
622 | + "got unaligned write inside backup dump " | |
623 | + "callback (sector %ld)", start); | |
624 | + } | |
625 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
626 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
627 | + return -1; // not aligned to cluster size | |
628 | + } | |
629 | + | |
630 | + while (remaining > 0) { | |
631 | + ret = vma_writer_write(backup_state.vmaw, di->dev_id, cluster_num, | |
632 | + buf, &zero_bytes); | |
633 | + ++cluster_num; | |
634 | + if (buf) { | |
635 | + buf += VMA_CLUSTER_SIZE; | |
636 | + } | |
637 | + if (ret < 0) { | |
638 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
639 | + if (!backup_state.stat.error) { | |
640 | + qemu_co_rwlock_upgrade(&backup_state.stat.rwlock); | |
641 | + vma_writer_error_propagate(backup_state.vmaw, &backup_state.stat.error); | |
642 | + } | |
643 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
644 | + | |
645 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
646 | + return ret; | |
647 | + } else { | |
648 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
649 | + backup_state.stat.zero_bytes += zero_bytes; | |
650 | + if (remaining >= VMA_CLUSTER_SIZE) { | |
651 | + backup_state.stat.transferred += VMA_CLUSTER_SIZE; | |
652 | + remaining -= VMA_CLUSTER_SIZE; | |
653 | + } else { | |
654 | + backup_state.stat.transferred += remaining; | |
655 | + remaining = 0; | |
656 | + } | |
657 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
658 | + } | |
659 | + } | |
660 | + } else if (backup_state.pbs) { | |
661 | + Error *local_err = NULL; | |
662 | + int pbs_res = -1; | |
663 | + | |
664 | + pbs_res = proxmox_backup_co_write_data(backup_state.pbs, di->dev_id, buf, start, size, &local_err); | |
665 | + | |
666 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
667 | + | |
668 | + if (pbs_res < 0) { | |
669 | + error_propagate(&backup_state.stat.error, local_err); | |
670 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
671 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
672 | + return pbs_res; | |
673 | + } else { | |
674 | + if (!buf) { | |
675 | + backup_state.stat.zero_bytes += size; | |
676 | + } | |
677 | + backup_state.stat.transferred += size; | |
678 | + } | |
679 | + | |
680 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
681 | + | |
682 | + } else { | |
683 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
684 | + if (!buf) { | |
685 | + backup_state.stat.zero_bytes += size; | |
686 | + } | |
687 | + backup_state.stat.transferred += size; | |
688 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
689 | + } | |
690 | + | |
691 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
692 | + | |
693 | + return size; | |
694 | +} | |
695 | + | |
696 | +static void coroutine_fn pvebackup_co_cleanup(void) | |
697 | +{ | |
698 | + assert(qemu_in_coroutine()); | |
699 | + | |
700 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
701 | + | |
702 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
703 | + backup_state.stat.end_time = time(NULL); | |
704 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
705 | + | |
706 | + if (backup_state.vmaw) { | |
707 | + Error *local_err = NULL; | |
708 | + vma_writer_close(backup_state.vmaw, &local_err); | |
709 | + | |
710 | + if (local_err != NULL) { | |
711 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
712 | + error_propagate(&backup_state.stat.error, local_err); | |
713 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
714 | + } | |
715 | + | |
716 | + backup_state.vmaw = NULL; | |
717 | + } | |
718 | + | |
719 | + if (backup_state.pbs) { | |
720 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
721 | + bool error_or_canceled = backup_state.stat.error || backup_state.stat.cancel; | |
722 | + if (!error_or_canceled) { | |
723 | + Error *local_err = NULL; | |
724 | + proxmox_backup_co_finish(backup_state.pbs, &local_err); | |
725 | + if (local_err != NULL) { | |
726 | + qemu_co_rwlock_upgrade(&backup_state.stat.rwlock); | |
727 | + error_propagate(&backup_state.stat.error, local_err); | |
728 | + } | |
729 | + } | |
730 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
731 | + | |
732 | + proxmox_backup_disconnect(backup_state.pbs); | |
733 | + backup_state.pbs = NULL; | |
734 | + } | |
735 | + | |
736 | + g_list_free(backup_state.di_list); | |
737 | + backup_state.di_list = NULL; | |
738 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
739 | +} | |
740 | + | |
741 | +typedef struct PVEBackupCompeteCallbackData { | |
742 | + PVEBackupDevInfo *di; | |
743 | + int result; | |
744 | +} PVEBackupCompeteCallbackData; | |
745 | + | |
746 | +static void coroutine_fn pvebackup_co_complete_cb(void *opaque) | |
747 | +{ | |
748 | + assert(qemu_in_coroutine()); | |
749 | + | |
750 | + PVEBackupCompeteCallbackData *cb_data = opaque; | |
751 | + | |
752 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
753 | + | |
754 | + PVEBackupDevInfo *di = cb_data->di; | |
755 | + int ret = cb_data->result; | |
756 | + | |
757 | + di->completed = true; | |
758 | + | |
759 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
760 | + bool error_or_canceled = backup_state.stat.error || backup_state.stat.cancel; | |
761 | + | |
762 | + if (ret < 0 && !backup_state.stat.error) { | |
763 | + qemu_co_rwlock_upgrade(&backup_state.stat.rwlock); | |
764 | + error_setg(&backup_state.stat.error, "job failed with err %d - %s", | |
765 | + ret, strerror(-ret)); | |
766 | + } | |
767 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
768 | + | |
769 | + di->bs = NULL; | |
770 | + | |
771 | + if (di->target) { | |
772 | + bdrv_unref(di->target); | |
773 | + di->target = NULL; | |
774 | + } | |
775 | + | |
776 | + if (backup_state.vmaw) { | |
777 | + vma_writer_close_stream(backup_state.vmaw, di->dev_id); | |
778 | + } | |
779 | + | |
780 | + if (backup_state.pbs && !error_or_canceled) { | |
781 | + Error *local_err = NULL; | |
782 | + proxmox_backup_co_close_image(backup_state.pbs, di->dev_id, &local_err); | |
783 | + if (local_err != NULL) { | |
784 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
785 | + error_propagate(&backup_state.stat.error, local_err); | |
786 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
787 | + } | |
788 | + } | |
789 | + | |
790 | + // remove self from job queue | |
791 | + backup_state.di_list = g_list_remove(backup_state.di_list, di); | |
792 | + g_free(di); | |
793 | + | |
794 | + int pending_jobs = g_list_length(backup_state.di_list); | |
795 | + | |
796 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
797 | + | |
798 | + if (pending_jobs > 0) { | |
799 | + pvebackup_co_run_next_job(); | |
800 | + } else { | |
801 | + pvebackup_co_cleanup(); | |
802 | + } | |
803 | +} | |
804 | + | |
805 | +static void pvebackup_complete_cb(void *opaque, int ret) | |
806 | +{ | |
807 | + // This can be called from the main loop, or from a coroutine | |
808 | + PVEBackupCompeteCallbackData cb_data = { | |
809 | + .di = opaque, | |
810 | + .result = ret, | |
811 | + }; | |
812 | + | |
813 | + if (qemu_in_coroutine()) { | |
814 | + pvebackup_co_complete_cb(&cb_data); | |
815 | + } else { | |
816 | + block_on_coroutine_fn(pvebackup_co_complete_cb, &cb_data); | |
817 | + } | |
818 | +} | |
819 | + | |
820 | +static void coroutine_fn pvebackup_co_cancel(void *opaque) | |
821 | +{ | |
822 | + assert(qemu_in_coroutine()); | |
823 | + | |
824 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
825 | + backup_state.stat.cancel = true; | |
826 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
827 | + | |
828 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
829 | + | |
830 | + // Avoid race between block jobs and backup-cancel command: | |
831 | + if (!(backup_state.vmaw || backup_state.pbs)) { | |
832 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
833 | + return; | |
834 | + } | |
835 | + | |
836 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
837 | + if (!backup_state.stat.error) { | |
838 | + qemu_co_rwlock_upgrade(&backup_state.stat.rwlock); | |
839 | + error_setg(&backup_state.stat.error, "backup cancelled"); | |
840 | + } | |
841 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
842 | + | |
843 | + if (backup_state.vmaw) { | |
844 | + /* make sure vma writer does not block anymore */ | |
845 | + vma_writer_set_error(backup_state.vmaw, "backup cancelled"); | |
846 | + } | |
847 | + | |
848 | + if (backup_state.pbs) { | |
849 | + proxmox_backup_abort(backup_state.pbs, "backup cancelled"); | |
850 | + } | |
851 | + | |
852 | + bool running_jobs = 0; | |
853 | + GList *l = backup_state.di_list; | |
854 | + while (l) { | |
855 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
856 | + l = g_list_next(l); | |
857 | + if (!di->completed && di->bs) { | |
858 | + for (BlockJob *job = block_job_next(NULL); job; job = block_job_next(job)) { | |
859 | + if (job->job.driver->job_type != JOB_TYPE_BACKUP) { | |
860 | + continue; | |
861 | + } | |
862 | + | |
863 | + BackupBlockJob *bjob = container_of(job, BackupBlockJob, common); | |
864 | + if (bjob && bjob->source_bs == di->bs) { | |
865 | + AioContext *aio_context = job->job.aio_context; | |
866 | + aio_context_acquire(aio_context); | |
867 | + | |
868 | + if (!di->completed) { | |
869 | + running_jobs += 1; | |
870 | + job_cancel(&job->job, false); | |
871 | + } | |
872 | + aio_context_release(aio_context); | |
873 | + } | |
874 | + } | |
875 | + } | |
876 | + } | |
877 | + | |
878 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
879 | + | |
880 | + if (running_jobs == 0) pvebackup_co_cleanup(); // else job will call completion handler | |
881 | +} | |
882 | + | |
883 | +void qmp_backup_cancel(Error **errp) | |
884 | +{ | |
885 | + block_on_coroutine_fn(pvebackup_co_cancel, NULL); | |
886 | +} | |
887 | + | |
888 | +static int coroutine_fn pvebackup_co_add_config( | |
889 | + const char *file, | |
890 | + const char *name, | |
891 | + BackupFormat format, | |
892 | + const char *backup_dir, | |
893 | + VmaWriter *vmaw, | |
894 | + ProxmoxBackupHandle *pbs, | |
895 | + Error **errp) | |
896 | +{ | |
897 | + int res = 0; | |
898 | + | |
899 | + char *cdata = NULL; | |
900 | + gsize clen = 0; | |
901 | + GError *err = NULL; | |
902 | + if (!g_file_get_contents(file, &cdata, &clen, &err)) { | |
903 | + error_setg(errp, "unable to read file '%s'", file); | |
904 | + return 1; | |
905 | + } | |
906 | + | |
907 | + char *basename = g_path_get_basename(file); | |
908 | + if (name == NULL) name = basename; | |
909 | + | |
910 | + if (format == BACKUP_FORMAT_VMA) { | |
911 | + if (vma_writer_add_config(vmaw, name, cdata, clen) != 0) { | |
912 | + error_setg(errp, "unable to add %s config data to vma archive", file); | |
913 | + goto err; | |
914 | + } | |
915 | + } else if (format == BACKUP_FORMAT_PBS) { | |
916 | + if (proxmox_backup_co_add_config(pbs, name, (unsigned char *)cdata, clen, errp) < 0) | |
917 | + goto err; | |
918 | + } else if (format == BACKUP_FORMAT_DIR) { | |
919 | + char config_path[PATH_MAX]; | |
920 | + snprintf(config_path, PATH_MAX, "%s/%s", backup_dir, name); | |
921 | + if (!g_file_set_contents(config_path, cdata, clen, &err)) { | |
922 | + error_setg(errp, "unable to write config file '%s'", config_path); | |
923 | + goto err; | |
924 | + } | |
925 | + } | |
926 | + | |
927 | + out: | |
928 | + g_free(basename); | |
929 | + g_free(cdata); | |
930 | + return res; | |
931 | + | |
932 | + err: | |
933 | + res = -1; | |
934 | + goto out; | |
935 | +} | |
936 | + | |
937 | +bool job_should_pause(Job *job); | |
938 | + | |
939 | +static void coroutine_fn pvebackup_co_run_next_job(void) | |
940 | +{ | |
941 | + assert(qemu_in_coroutine()); | |
942 | + | |
943 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
944 | + | |
945 | + GList *l = backup_state.di_list; | |
946 | + while (l) { | |
947 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
948 | + l = g_list_next(l); | |
949 | + if (!di->completed && di->bs) { | |
950 | + for (BlockJob *job = block_job_next(NULL); job; job = block_job_next(job)) { | |
951 | + if (job->job.driver->job_type != JOB_TYPE_BACKUP) { | |
952 | + continue; | |
953 | + } | |
954 | + | |
955 | + BackupBlockJob *bjob = container_of(job, BackupBlockJob, common); | |
956 | + if (bjob && bjob->source_bs == di->bs) { | |
957 | + AioContext *aio_context = job->job.aio_context; | |
958 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
959 | + aio_context_acquire(aio_context); | |
960 | + | |
961 | + if (job_should_pause(&job->job)) { | |
962 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
963 | + bool error_or_canceled = backup_state.stat.error || backup_state.stat.cancel; | |
964 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
965 | + | |
966 | + if (error_or_canceled) { | |
967 | + job_cancel(&job->job, false); | |
968 | + } else { | |
969 | + job_resume(&job->job); | |
970 | + } | |
971 | + } | |
972 | + aio_context_release(aio_context); | |
973 | + return; | |
974 | + } | |
975 | + } | |
976 | + } | |
977 | + } | |
978 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
979 | +} | |
980 | + | |
981 | +typedef struct QmpBackupTask { | |
982 | + const char *backup_file; | |
983 | + bool has_password; | |
984 | + const char *password; | |
985 | + bool has_keyfile; | |
986 | + const char *keyfile; | |
987 | + bool has_key_password; | |
988 | + const char *key_password; | |
989 | + bool has_backup_id; | |
990 | + const char *backup_id; | |
991 | + bool has_backup_time; | |
992 | + const char *fingerprint; | |
993 | + bool has_fingerprint; | |
994 | + int64_t backup_time; | |
995 | + bool has_format; | |
996 | + BackupFormat format; | |
997 | + bool has_config_file; | |
998 | + const char *config_file; | |
999 | + bool has_firewall_file; | |
1000 | + const char *firewall_file; | |
1001 | + bool has_devlist; | |
1002 | + const char *devlist; | |
1003 | + bool has_speed; | |
1004 | + int64_t speed; | |
1005 | + Error **errp; | |
1006 | + UuidInfo *result; | |
1007 | +} QmpBackupTask; | |
1008 | + | |
1009 | +static void coroutine_fn pvebackup_co_start(void *opaque) | |
1010 | +{ | |
1011 | + assert(qemu_in_coroutine()); | |
1012 | + | |
1013 | + QmpBackupTask *task = opaque; | |
1014 | + | |
1015 | + task->result = NULL; // just to be sure | |
1016 | + | |
1017 | + BlockBackend *blk; | |
1018 | + BlockDriverState *bs = NULL; | |
1019 | + const char *backup_dir = NULL; | |
1020 | + Error *local_err = NULL; | |
1021 | + uuid_t uuid; | |
1022 | + VmaWriter *vmaw = NULL; | |
1023 | + ProxmoxBackupHandle *pbs = NULL; | |
1024 | + gchar **devs = NULL; | |
1025 | + GList *di_list = NULL; | |
1026 | + GList *l; | |
1027 | + UuidInfo *uuid_info; | |
1028 | + BlockJob *job; | |
1029 | + | |
1030 | + const char *config_name = "qemu-server.conf"; | |
1031 | + const char *firewall_name = "qemu-server.fw"; | |
1032 | + | |
1033 | + qemu_co_mutex_lock(&backup_state.backup_mutex); | |
1034 | + | |
1035 | + if (backup_state.di_list) { | |
1036 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
1037 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, | |
1038 | + "previous backup not finished"); | |
1039 | + return; | |
1040 | + } | |
1041 | + | |
1042 | + /* Todo: try to auto-detect format based on file name */ | |
1043 | + BackupFormat format = task->has_format ? task->format : BACKUP_FORMAT_VMA; | |
1044 | + | |
1045 | + if (task->has_devlist) { | |
1046 | + devs = g_strsplit_set(task->devlist, ",;:", -1); | |
1047 | + | |
1048 | + gchar **d = devs; | |
1049 | + while (d && *d) { | |
1050 | + blk = blk_by_name(*d); | |
1051 | + if (blk) { | |
1052 | + bs = blk_bs(blk); | |
6402d961 TL |
1053 | + if (!bdrv_is_inserted(bs)) { |
1054 | + error_setg(task->errp, QERR_DEVICE_HAS_NO_MEDIUM, *d); | |
1055 | + goto err; | |
1056 | + } | |
1057 | + PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1); | |
1058 | + di->bs = bs; | |
1059 | + di_list = g_list_append(di_list, di); | |
1060 | + } else { | |
1061 | + error_set(task->errp, ERROR_CLASS_DEVICE_NOT_FOUND, | |
1062 | + "Device '%s' not found", *d); | |
1063 | + goto err; | |
1064 | + } | |
1065 | + d++; | |
1066 | + } | |
1067 | + | |
1068 | + } else { | |
1069 | + BdrvNextIterator it; | |
1070 | + | |
1071 | + bs = NULL; | |
1072 | + for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { | |
1073 | + if (!bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) { | |
1074 | + continue; | |
1075 | + } | |
1076 | + | |
1077 | + PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1); | |
1078 | + di->bs = bs; | |
1079 | + di_list = g_list_append(di_list, di); | |
1080 | + } | |
1081 | + } | |
1082 | + | |
1083 | + if (!di_list) { | |
1084 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, "empty device list"); | |
1085 | + goto err; | |
1086 | + } | |
1087 | + | |
1088 | + size_t total = 0; | |
1089 | + | |
1090 | + l = di_list; | |
1091 | + while (l) { | |
1092 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1093 | + l = g_list_next(l); | |
1094 | + if (bdrv_op_is_blocked(di->bs, BLOCK_OP_TYPE_BACKUP_SOURCE, task->errp)) { | |
1095 | + goto err; | |
1096 | + } | |
1097 | + | |
1098 | + ssize_t size = bdrv_getlength(di->bs); | |
1099 | + if (size < 0) { | |
1100 | + error_setg_errno(task->errp, -di->size, "bdrv_getlength failed"); | |
1101 | + goto err; | |
1102 | + } | |
1103 | + di->size = size; | |
1104 | + total += size; | |
1105 | + } | |
1106 | + | |
1107 | + uuid_generate(uuid); | |
1108 | + | |
1109 | + if (format == BACKUP_FORMAT_PBS) { | |
1110 | + if (!task->has_password) { | |
1111 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, "missing parameter 'password'"); | |
1112 | + goto err; | |
1113 | + } | |
1114 | + if (!task->has_backup_id) { | |
1115 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, "missing parameter 'backup-id'"); | |
1116 | + goto err; | |
1117 | + } | |
1118 | + if (!task->has_backup_time) { | |
1119 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, "missing parameter 'backup-time'"); | |
1120 | + goto err; | |
1121 | + } | |
1122 | + | |
1123 | + int dump_cb_block_size = PROXMOX_BACKUP_DEFAULT_CHUNK_SIZE; // Hardcoded (4M) | |
1124 | + firewall_name = "fw.conf"; | |
1125 | + | |
1126 | + char *pbs_err = NULL; | |
1127 | + pbs = proxmox_backup_new( | |
1128 | + task->backup_file, | |
1129 | + task->backup_id, | |
1130 | + task->backup_time, | |
1131 | + dump_cb_block_size, | |
1132 | + task->has_password ? task->password : NULL, | |
1133 | + task->has_keyfile ? task->keyfile : NULL, | |
1134 | + task->has_key_password ? task->key_password : NULL, | |
1135 | + task->has_fingerprint ? task->fingerprint : NULL, | |
1136 | + &pbs_err); | |
1137 | + | |
1138 | + if (!pbs) { | |
1139 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, | |
1140 | + "proxmox_backup_new failed: %s", pbs_err); | |
1141 | + proxmox_backup_free_error(pbs_err); | |
1142 | + goto err; | |
1143 | + } | |
1144 | + | |
1145 | + if (proxmox_backup_co_connect(pbs, task->errp) < 0) | |
1146 | + goto err; | |
1147 | + | |
1148 | + /* register all devices */ | |
1149 | + l = di_list; | |
1150 | + while (l) { | |
1151 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1152 | + l = g_list_next(l); | |
1153 | + | |
1154 | + const char *devname = bdrv_get_device_name(di->bs); | |
1155 | + | |
1156 | + int dev_id = proxmox_backup_co_register_image(pbs, devname, di->size, task->errp); | |
1157 | + if (dev_id < 0) | |
1158 | + goto err; | |
1159 | + | |
1160 | + if (!(di->target = bdrv_backup_dump_create(dump_cb_block_size, di->size, pvebackup_co_dump_cb, di, task->errp))) { | |
1161 | + goto err; | |
1162 | + } | |
1163 | + | |
1164 | + di->dev_id = dev_id; | |
1165 | + } | |
1166 | + } else if (format == BACKUP_FORMAT_VMA) { | |
1167 | + vmaw = vma_writer_create(task->backup_file, uuid, &local_err); | |
1168 | + if (!vmaw) { | |
1169 | + if (local_err) { | |
1170 | + error_propagate(task->errp, local_err); | |
1171 | + } | |
1172 | + goto err; | |
1173 | + } | |
1174 | + | |
1175 | + /* register all devices for vma writer */ | |
1176 | + l = di_list; | |
1177 | + while (l) { | |
1178 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1179 | + l = g_list_next(l); | |
1180 | + | |
1181 | + if (!(di->target = bdrv_backup_dump_create(VMA_CLUSTER_SIZE, di->size, pvebackup_co_dump_cb, di, task->errp))) { | |
1182 | + goto err; | |
1183 | + } | |
1184 | + | |
1185 | + const char *devname = bdrv_get_device_name(di->bs); | |
1186 | + di->dev_id = vma_writer_register_stream(vmaw, devname, di->size); | |
1187 | + if (di->dev_id <= 0) { | |
1188 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, | |
1189 | + "register_stream failed"); | |
1190 | + goto err; | |
1191 | + } | |
1192 | + } | |
1193 | + } else if (format == BACKUP_FORMAT_DIR) { | |
1194 | + if (mkdir(task->backup_file, 0640) != 0) { | |
1195 | + error_setg_errno(task->errp, errno, "can't create directory '%s'\n", | |
1196 | + task->backup_file); | |
1197 | + goto err; | |
1198 | + } | |
1199 | + backup_dir = task->backup_file; | |
1200 | + | |
1201 | + l = di_list; | |
1202 | + while (l) { | |
1203 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1204 | + l = g_list_next(l); | |
1205 | + | |
1206 | + const char *devname = bdrv_get_device_name(di->bs); | |
1207 | + snprintf(di->targetfile, PATH_MAX, "%s/%s.raw", backup_dir, devname); | |
1208 | + | |
1209 | + int flags = BDRV_O_RDWR; | |
1210 | + bdrv_img_create(di->targetfile, "raw", NULL, NULL, NULL, | |
1211 | + di->size, flags, false, &local_err); | |
1212 | + if (local_err) { | |
1213 | + error_propagate(task->errp, local_err); | |
1214 | + goto err; | |
1215 | + } | |
1216 | + | |
1217 | + di->target = bdrv_open(di->targetfile, NULL, NULL, flags, &local_err); | |
1218 | + if (!di->target) { | |
1219 | + error_propagate(task->errp, local_err); | |
1220 | + goto err; | |
1221 | + } | |
1222 | + } | |
1223 | + } else { | |
1224 | + error_set(task->errp, ERROR_CLASS_GENERIC_ERROR, "unknown backup format"); | |
1225 | + goto err; | |
1226 | + } | |
1227 | + | |
1228 | + | |
1229 | + /* add configuration file to archive */ | |
1230 | + if (task->has_config_file) { | |
1231 | + if (pvebackup_co_add_config(task->config_file, config_name, format, backup_dir, | |
1232 | + vmaw, pbs, task->errp) != 0) { | |
1233 | + goto err; | |
1234 | + } | |
1235 | + } | |
1236 | + | |
1237 | + /* add firewall file to archive */ | |
1238 | + if (task->has_firewall_file) { | |
1239 | + if (pvebackup_co_add_config(task->firewall_file, firewall_name, format, backup_dir, | |
1240 | + vmaw, pbs, task->errp) != 0) { | |
1241 | + goto err; | |
1242 | + } | |
1243 | + } | |
1244 | + /* initialize global backup_state now */ | |
1245 | + | |
1246 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
1247 | + | |
1248 | + backup_state.stat.cancel = false; | |
1249 | + | |
1250 | + if (backup_state.stat.error) { | |
1251 | + error_free(backup_state.stat.error); | |
1252 | + backup_state.stat.error = NULL; | |
1253 | + } | |
1254 | + | |
1255 | + backup_state.stat.start_time = time(NULL); | |
1256 | + backup_state.stat.end_time = 0; | |
1257 | + | |
1258 | + if (backup_state.stat.backup_file) { | |
1259 | + g_free(backup_state.stat.backup_file); | |
1260 | + } | |
1261 | + backup_state.stat.backup_file = g_strdup(task->backup_file); | |
1262 | + | |
1263 | + uuid_copy(backup_state.stat.uuid, uuid); | |
1264 | + uuid_unparse_lower(uuid, backup_state.stat.uuid_str); | |
1265 | + char *uuid_str = g_strdup(backup_state.stat.uuid_str); | |
1266 | + | |
1267 | + backup_state.stat.total = total; | |
1268 | + backup_state.stat.transferred = 0; | |
1269 | + backup_state.stat.zero_bytes = 0; | |
1270 | + | |
1271 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
1272 | + | |
1273 | + backup_state.speed = (task->has_speed && task->speed > 0) ? task->speed : 0; | |
1274 | + | |
1275 | + backup_state.vmaw = vmaw; | |
1276 | + backup_state.pbs = pbs; | |
1277 | + | |
1278 | + backup_state.di_list = di_list; | |
1279 | + | |
1280 | + /* start all jobs (paused state) */ | |
1281 | + l = di_list; | |
1282 | + while (l) { | |
1283 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1284 | + l = g_list_next(l); | |
1285 | + | |
1286 | + // make sure target runs in same aoi_context as source | |
1287 | + AioContext *aio_context = bdrv_get_aio_context(di->bs); | |
1288 | + aio_context_acquire(aio_context); | |
1289 | + GSList *ignore = NULL; | |
1290 | + bdrv_set_aio_context_ignore(di->target, aio_context, &ignore); | |
1291 | + g_slist_free(ignore); | |
1292 | + aio_context_release(aio_context); | |
1293 | + | |
1294 | + job = backup_job_create(NULL, di->bs, di->target, backup_state.speed, MIRROR_SYNC_MODE_FULL, NULL, | |
1295 | + BITMAP_SYNC_MODE_NEVER, false, NULL, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT, | |
1296 | + JOB_DEFAULT, pvebackup_complete_cb, di, 1, NULL, &local_err); | |
1297 | + if (!job || local_err != NULL) { | |
1298 | + qemu_co_rwlock_wrlock(&backup_state.stat.rwlock); | |
1299 | + error_setg(&backup_state.stat.error, "backup_job_create failed"); | |
1300 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
1301 | + break; | |
1302 | + } | |
1303 | + job_start(&job->job); | |
1304 | + if (di->target) { | |
1305 | + bdrv_unref(di->target); | |
1306 | + di->target = NULL; | |
1307 | + } | |
1308 | + } | |
1309 | + | |
1310 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
1311 | + | |
1312 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
1313 | + bool no_errors = !backup_state.stat.error; | |
1314 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
1315 | + | |
1316 | + if (no_errors) { | |
1317 | + pvebackup_co_run_next_job(); // run one job | |
1318 | + } else { | |
1319 | + pvebackup_co_cancel(NULL); | |
1320 | + } | |
1321 | + | |
1322 | + uuid_info = g_malloc0(sizeof(*uuid_info)); | |
1323 | + uuid_info->UUID = uuid_str; | |
1324 | + | |
1325 | + task->result = uuid_info; | |
1326 | + return; | |
1327 | + | |
1328 | +err: | |
1329 | + | |
1330 | + l = di_list; | |
1331 | + while (l) { | |
1332 | + PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data; | |
1333 | + l = g_list_next(l); | |
1334 | + | |
1335 | + if (di->target) { | |
1336 | + bdrv_unref(di->target); | |
1337 | + } | |
1338 | + | |
1339 | + if (di->targetfile[0]) { | |
1340 | + unlink(di->targetfile); | |
1341 | + } | |
1342 | + g_free(di); | |
1343 | + } | |
1344 | + g_list_free(di_list); | |
1345 | + | |
1346 | + if (devs) { | |
1347 | + g_strfreev(devs); | |
1348 | + } | |
1349 | + | |
1350 | + if (vmaw) { | |
1351 | + Error *err = NULL; | |
1352 | + vma_writer_close(vmaw, &err); | |
1353 | + unlink(task->backup_file); | |
1354 | + } | |
1355 | + | |
1356 | + if (pbs) { | |
1357 | + proxmox_backup_disconnect(pbs); | |
1358 | + } | |
1359 | + | |
1360 | + if (backup_dir) { | |
1361 | + rmdir(backup_dir); | |
1362 | + } | |
1363 | + | |
1364 | + qemu_co_mutex_unlock(&backup_state.backup_mutex); | |
1365 | + | |
1366 | + task->result = NULL; | |
1367 | + return; | |
1368 | +} | |
1369 | + | |
1370 | +UuidInfo *qmp_backup( | |
1371 | + const char *backup_file, | |
1372 | + bool has_password, const char *password, | |
1373 | + bool has_keyfile, const char *keyfile, | |
1374 | + bool has_key_password, const char *key_password, | |
1375 | + bool has_fingerprint, const char *fingerprint, | |
1376 | + bool has_backup_id, const char *backup_id, | |
1377 | + bool has_backup_time, int64_t backup_time, | |
1378 | + bool has_format, BackupFormat format, | |
1379 | + bool has_config_file, const char *config_file, | |
1380 | + bool has_firewall_file, const char *firewall_file, | |
1381 | + bool has_devlist, const char *devlist, | |
1382 | + bool has_speed, int64_t speed, Error **errp) | |
1383 | +{ | |
1384 | + QmpBackupTask task = { | |
1385 | + .backup_file = backup_file, | |
1386 | + .has_password = has_password, | |
1387 | + .password = password, | |
1388 | + .has_key_password = has_key_password, | |
1389 | + .key_password = key_password, | |
1390 | + .has_fingerprint = has_fingerprint, | |
1391 | + .fingerprint = fingerprint, | |
1392 | + .has_backup_id = has_backup_id, | |
1393 | + .backup_id = backup_id, | |
1394 | + .has_backup_time = has_backup_time, | |
1395 | + .backup_time = backup_time, | |
1396 | + .has_format = has_format, | |
1397 | + .format = format, | |
1398 | + .has_config_file = has_config_file, | |
1399 | + .config_file = config_file, | |
1400 | + .has_firewall_file = has_firewall_file, | |
1401 | + .firewall_file = firewall_file, | |
1402 | + .has_devlist = has_devlist, | |
1403 | + .devlist = devlist, | |
1404 | + .has_speed = has_speed, | |
1405 | + .speed = speed, | |
1406 | + .errp = errp, | |
1407 | + }; | |
1408 | + | |
1409 | + block_on_coroutine_fn(pvebackup_co_start, &task); | |
1410 | + | |
1411 | + return task.result; | |
1412 | +} | |
1413 | + | |
1414 | + | |
1415 | +typedef struct QmpQueryBackupTask { | |
1416 | + Error **errp; | |
1417 | + BackupStatus *result; | |
1418 | +} QmpQueryBackupTask; | |
1419 | + | |
1420 | +static void coroutine_fn pvebackup_co_query(void *opaque) | |
1421 | +{ | |
1422 | + assert(qemu_in_coroutine()); | |
1423 | + | |
1424 | + QmpQueryBackupTask *task = opaque; | |
1425 | + | |
1426 | + BackupStatus *info = g_malloc0(sizeof(*info)); | |
1427 | + | |
1428 | + qemu_co_rwlock_rdlock(&backup_state.stat.rwlock); | |
1429 | + | |
1430 | + if (!backup_state.stat.start_time) { | |
1431 | + /* not started, return {} */ | |
1432 | + task->result = info; | |
1433 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
1434 | + return; | |
1435 | + } | |
1436 | + | |
1437 | + info->has_status = true; | |
1438 | + info->has_start_time = true; | |
1439 | + info->start_time = backup_state.stat.start_time; | |
1440 | + | |
1441 | + if (backup_state.stat.backup_file) { | |
1442 | + info->has_backup_file = true; | |
1443 | + info->backup_file = g_strdup(backup_state.stat.backup_file); | |
1444 | + } | |
1445 | + | |
1446 | + info->has_uuid = true; | |
1447 | + info->uuid = g_strdup(backup_state.stat.uuid_str); | |
1448 | + | |
1449 | + if (backup_state.stat.end_time) { | |
1450 | + if (backup_state.stat.error) { | |
1451 | + info->status = g_strdup("error"); | |
1452 | + info->has_errmsg = true; | |
1453 | + info->errmsg = g_strdup(error_get_pretty(backup_state.stat.error)); | |
1454 | + } else { | |
1455 | + info->status = g_strdup("done"); | |
1456 | + } | |
1457 | + info->has_end_time = true; | |
1458 | + info->end_time = backup_state.stat.end_time; | |
1459 | + } else { | |
1460 | + info->status = g_strdup("active"); | |
1461 | + } | |
1462 | + | |
1463 | + info->has_total = true; | |
1464 | + info->total = backup_state.stat.total; | |
1465 | + info->has_zero_bytes = true; | |
1466 | + info->zero_bytes = backup_state.stat.zero_bytes; | |
1467 | + info->has_transferred = true; | |
1468 | + info->transferred = backup_state.stat.transferred; | |
1469 | + | |
1470 | + task->result = info; | |
1471 | + | |
1472 | + qemu_co_rwlock_unlock(&backup_state.stat.rwlock); | |
1473 | +} | |
1474 | + | |
1475 | +BackupStatus *qmp_query_backup(Error **errp) | |
1476 | +{ | |
1477 | + QmpQueryBackupTask task = { | |
1478 | + .errp = errp, | |
1479 | + .result = NULL, | |
1480 | + }; | |
1481 | + | |
1482 | + block_on_coroutine_fn(pvebackup_co_query, &task); | |
1483 | + | |
1484 | + return task.result; | |
1485 | +} | |
1486 | diff --git a/qapi/block-core.json b/qapi/block-core.json | |
60ae3775 | 1487 | index ea5fae22ae..69db270b1a 100644 |
6402d961 TL |
1488 | --- a/qapi/block-core.json |
1489 | +++ b/qapi/block-core.json | |
60ae3775 | 1490 | @@ -754,6 +754,115 @@ |
6402d961 TL |
1491 | { 'command': 'query-block', 'returns': ['BlockInfo'] } |
1492 | ||
1493 | ||
1494 | +## | |
1495 | +# @BackupStatus: | |
1496 | +# | |
1497 | +# Detailed backup status. | |
1498 | +# | |
1499 | +# @status: string describing the current backup status. | |
1500 | +# This can be 'active', 'done', 'error'. If this field is not | |
1501 | +# returned, no backup process has been initiated | |
1502 | +# | |
1503 | +# @errmsg: error message (only returned if status is 'error') | |
1504 | +# | |
1505 | +# @total: total amount of bytes involved in the backup process | |
1506 | +# | |
1507 | +# @transferred: amount of bytes already backed up. | |
1508 | +# | |
1509 | +# @zero-bytes: amount of 'zero' bytes detected. | |
1510 | +# | |
1511 | +# @start-time: time (epoch) when backup job started. | |
1512 | +# | |
1513 | +# @end-time: time (epoch) when backup job finished. | |
1514 | +# | |
1515 | +# @backup-file: backup file name | |
1516 | +# | |
1517 | +# @uuid: uuid for this backup job | |
1518 | +# | |
1519 | +## | |
1520 | +{ 'struct': 'BackupStatus', | |
1521 | + 'data': {'*status': 'str', '*errmsg': 'str', '*total': 'int', | |
1522 | + '*transferred': 'int', '*zero-bytes': 'int', | |
1523 | + '*start-time': 'int', '*end-time': 'int', | |
1524 | + '*backup-file': 'str', '*uuid': 'str' } } | |
1525 | + | |
1526 | +## | |
1527 | +# @BackupFormat: | |
1528 | +# | |
1529 | +# An enumeration of supported backup formats. | |
1530 | +# | |
1531 | +# @vma: Proxmox vma backup format | |
1532 | +## | |
1533 | +{ 'enum': 'BackupFormat', | |
1534 | + 'data': [ 'vma', 'dir', 'pbs' ] } | |
1535 | + | |
1536 | +## | |
1537 | +# @backup: | |
1538 | +# | |
1539 | +# Starts a VM backup. | |
1540 | +# | |
1541 | +# @backup-file: the backup file name | |
1542 | +# | |
1543 | +# @format: format of the backup file | |
1544 | +# | |
1545 | +# @config-file: a configuration file to include into | |
1546 | +# the backup archive. | |
1547 | +# | |
1548 | +# @speed: the maximum speed, in bytes per second | |
1549 | +# | |
1550 | +# @devlist: list of block device names (separated by ',', ';' | |
1551 | +# or ':'). By default the backup includes all writable block devices. | |
1552 | +# | |
1553 | +# @password: backup server passsword (required for format 'pbs') | |
1554 | +# | |
1555 | +# @keyfile: keyfile used for encryption (optional for format 'pbs') | |
1556 | +# | |
1557 | +# @key-password: password for keyfile (optional for format 'pbs') | |
1558 | +# | |
1559 | +# @fingerprint: server cert fingerprint (optional for format 'pbs') | |
1560 | +# | |
1561 | +# @backup-id: backup ID (required for format 'pbs') | |
1562 | +# | |
1563 | +# @backup-time: backup timestamp (Unix epoch, required for format 'pbs') | |
1564 | +# | |
1565 | +# Returns: the uuid of the backup job | |
1566 | +# | |
1567 | +## | |
1568 | +{ 'command': 'backup', 'data': { 'backup-file': 'str', | |
1569 | + '*password': 'str', | |
1570 | + '*keyfile': 'str', | |
1571 | + '*key-password': 'str', | |
1572 | + '*fingerprint': 'str', | |
1573 | + '*backup-id': 'str', | |
1574 | + '*backup-time': 'int', | |
1575 | + '*format': 'BackupFormat', | |
1576 | + '*config-file': 'str', | |
1577 | + '*firewall-file': 'str', | |
1578 | + '*devlist': 'str', '*speed': 'int' }, | |
1579 | + 'returns': 'UuidInfo' } | |
1580 | + | |
1581 | +## | |
1582 | +# @query-backup: | |
1583 | +# | |
1584 | +# Returns information about current/last backup task. | |
1585 | +# | |
1586 | +# Returns: @BackupStatus | |
1587 | +# | |
1588 | +## | |
1589 | +{ 'command': 'query-backup', 'returns': 'BackupStatus' } | |
1590 | + | |
1591 | +## | |
1592 | +# @backup-cancel: | |
1593 | +# | |
1594 | +# Cancel the current executing backup process. | |
1595 | +# | |
1596 | +# Returns: nothing on success | |
1597 | +# | |
1598 | +# Notes: This command succeeds even if there is no backup process running. | |
1599 | +# | |
1600 | +## | |
1601 | +{ 'command': 'backup-cancel' } | |
1602 | + | |
1603 | ## | |
1604 | # @BlockDeviceTimedStats: | |
1605 | # | |
1606 | diff --git a/qapi/common.json b/qapi/common.json | |
60ae3775 | 1607 | index 716712d4b3..556dab79e1 100644 |
6402d961 TL |
1608 | --- a/qapi/common.json |
1609 | +++ b/qapi/common.json | |
60ae3775 | 1610 | @@ -145,3 +145,16 @@ |
6402d961 TL |
1611 | ## |
1612 | { 'enum': 'PCIELinkWidth', | |
1613 | 'data': [ '1', '2', '4', '8', '12', '16', '32' ] } | |
1614 | + | |
1615 | +## | |
1616 | +# @UuidInfo: | |
1617 | +# | |
1618 | +# Guest UUID information (Universally Unique Identifier). | |
1619 | +# | |
1620 | +# @UUID: the UUID of the guest | |
1621 | +# | |
1622 | +# Since: 0.14.0 | |
1623 | +# | |
1624 | +# Notes: If no UUID was specified for the guest, a null UUID is returned. | |
1625 | +## | |
1626 | +{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} } | |
1627 | diff --git a/qapi/misc.json b/qapi/misc.json | |
60ae3775 | 1628 | index 9895899f8b..75dff1b306 100644 |
6402d961 TL |
1629 | --- a/qapi/misc.json |
1630 | +++ b/qapi/misc.json | |
60ae3775 | 1631 | @@ -130,19 +130,6 @@ |
6402d961 TL |
1632 | ## |
1633 | { 'command': 'query-kvm', 'returns': 'KvmInfo' } | |
1634 | ||
1635 | -## | |
1636 | -# @UuidInfo: | |
1637 | -# | |
1638 | -# Guest UUID information (Universally Unique Identifier). | |
1639 | -# | |
1640 | -# @UUID: the UUID of the guest | |
1641 | -# | |
1642 | -# Since: 0.14.0 | |
1643 | -# | |
1644 | -# Notes: If no UUID was specified for the guest, a null UUID is returned. | |
1645 | -## | |
1646 | -{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} } | |
1647 | - | |
1648 | ## | |
1649 | # @query-uuid: | |
1650 | # |