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[Qemu-block] [PATCH v3 21/36] rbd: Pass BlockdevOptionsRbd to qemu_rbd_c
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PATCH v3 21/36] rbd: Pass BlockdevOptionsRbd to qemu_rbd_connect() |
Date: |
Fri, 23 Feb 2018 20:25:34 +0100 |
With the conversion to a QAPI options object, the function is now
prepared to be used in a .bdrv_co_create implementation.
Signed-off-by: Kevin Wolf <address@hidden>
---
block/rbd.c | 109 +++++++++++++++++++++++++++++-------------------------------
1 file changed, 53 insertions(+), 56 deletions(-)
diff --git a/block/rbd.c b/block/rbd.c
index 2e79c2d1fd..9b247f020d 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -24,6 +24,8 @@
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/qlist.h"
+#include "qapi/qobject-input-visitor.h"
+#include "qapi-visit.h"
/*
* When specifying the image filename use:
@@ -482,29 +484,27 @@ static void qemu_rbd_complete_aio(RADOSCB *rcb)
qemu_aio_unref(acb);
}
-static char *qemu_rbd_mon_host(QDict *options, Error **errp)
+static char *qemu_rbd_mon_host(BlockdevOptionsRbd *opts, Error **errp)
{
- const char **vals = g_new(const char *, qdict_size(options) + 1);
- char keybuf[32];
+ const char **vals;
const char *host, *port;
char *rados_str;
- int i;
-
- for (i = 0;; i++) {
- sprintf(keybuf, "server.%d.host", i);
- host = qdict_get_try_str(options, keybuf);
- qdict_del(options, keybuf);
- sprintf(keybuf, "server.%d.port", i);
- port = qdict_get_try_str(options, keybuf);
- qdict_del(options, keybuf);
- if (!host && !port) {
- break;
- }
- if (!host) {
- error_setg(errp, "Parameter server.%d.host is missing", i);
- rados_str = NULL;
- goto out;
- }
+ InetSocketAddressBaseList *p;
+ int i, cnt;
+
+ if (!opts->has_server) {
+ return NULL;
+ }
+
+ for (cnt = 0, p = opts->server; p; p = p->next) {
+ cnt++;
+ }
+
+ vals = g_new(const char *, cnt + 1);
+
+ for (i = 0, p = opts->server; p; p = p->next, i++) {
+ host = p->value->host;
+ port = p->value->port;
if (strchr(host, ':')) {
vals[i] = port ? g_strdup_printf("[%s]:%s", host, port)
@@ -517,63 +517,40 @@ static char *qemu_rbd_mon_host(QDict *options, Error
**errp)
vals[i] = NULL;
rados_str = i ? g_strjoinv(";", (char **)vals) : NULL;
-out:
g_strfreev((char **)vals);
return rados_str;
}
static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
char **s_snap, char **s_image_name,
- QDict *options, bool cache,
+ BlockdevOptionsRbd *opts, bool cache,
const char *keypairs, const char *secretid,
Error **errp)
{
- QemuOpts *opts;
char *mon_host = NULL;
- const char *pool, *snap, *conf, *user, *image_name;
Error *local_err = NULL;
int r;
- opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, options, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- r = -EINVAL;
- goto failed_opts;
- }
-
- mon_host = qemu_rbd_mon_host(options, &local_err);
+ mon_host = qemu_rbd_mon_host(opts, &local_err);
if (local_err) {
error_propagate(errp, local_err);
r = -EINVAL;
goto failed_opts;
}
- pool = qemu_opt_get(opts, "pool");
- conf = qemu_opt_get(opts, "conf");
- snap = qemu_opt_get(opts, "snapshot");
- user = qemu_opt_get(opts, "user");
- image_name = qemu_opt_get(opts, "image");
-
- if (!pool || !image_name) {
- error_setg(errp, "Parameters 'pool' and 'image' are required");
- r = -EINVAL;
- goto failed_opts;
- }
-
- r = rados_create(cluster, user);
+ r = rados_create(cluster, opts->user);
if (r < 0) {
error_setg_errno(errp, -r, "error initializing");
goto failed_opts;
}
- *s_snap = g_strdup(snap);
- *s_image_name = g_strdup(image_name);
+ *s_snap = g_strdup(opts->snapshot);
+ *s_image_name = g_strdup(opts->image);
/* try default location when conf=NULL, but ignore failure */
- r = rados_conf_read_file(*cluster, conf);
- if (conf && r < 0) {
- error_setg_errno(errp, -r, "error reading conf file %s", conf);
+ r = rados_conf_read_file(*cluster, opts->conf);
+ if (opts->has_conf && r < 0) {
+ error_setg_errno(errp, -r, "error reading conf file %s", opts->conf);
goto failed_shutdown;
}
@@ -613,13 +590,12 @@ static int qemu_rbd_connect(rados_t *cluster,
rados_ioctx_t *io_ctx,
goto failed_shutdown;
}
- r = rados_ioctx_create(*cluster, pool, io_ctx);
+ r = rados_ioctx_create(*cluster, opts->pool, io_ctx);
if (r < 0) {
- error_setg_errno(errp, -r, "error opening pool %s", pool);
+ error_setg_errno(errp, -r, "error opening pool %s", opts->pool);
goto failed_shutdown;
}
- qemu_opts_del(opts);
return 0;
failed_shutdown:
@@ -627,7 +603,6 @@ failed_shutdown:
g_free(*s_snap);
g_free(*s_image_name);
failed_opts:
- qemu_opts_del(opts);
g_free(mon_host);
return r;
}
@@ -636,6 +611,9 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict
*options, int flags,
Error **errp)
{
BDRVRBDState *s = bs->opaque;
+ BlockdevOptionsRbd *opts = NULL;
+ Visitor *v;
+ QObject *crumpled = NULL;
Error *local_err = NULL;
const char *filename;
char *keypairs, *secretid;
@@ -666,8 +644,26 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict
*options, int flags,
qdict_del(options, "password-secret");
}
+ /* Convert the remaining options into a QAPI object */
+ crumpled = qdict_crumple(options, errp);
+ if (crumpled == NULL) {
+ r = -EINVAL;
+ goto out;
+ }
+
+ v = qobject_input_visitor_new_keyval(crumpled);
+ visit_type_BlockdevOptionsRbd(v, NULL, &opts, &local_err);
+ visit_free(v);
+ qobject_decref(crumpled);
+
+ if (local_err) {
+ error_propagate(errp, local_err);
+ r = -EINVAL;
+ goto out;
+ }
+
r = qemu_rbd_connect(&s->cluster, &s->io_ctx, &s->snap, &s->image_name,
- options, !(flags & BDRV_O_NOCACHE), keypairs,
secretid,
+ opts, !(flags & BDRV_O_NOCACHE), keypairs, secretid,
errp);
if (r < 0) {
goto out;
@@ -706,6 +702,7 @@ failed_open:
g_free(s->image_name);
rados_shutdown(s->cluster);
out:
+ qapi_free_BlockdevOptionsRbd(opts);
g_free(keypairs);
g_free(secretid);
return r;
--
2.13.6
- [Qemu-block] [PATCH v3 11/36] qdict: Introduce qdict_rename_keys(), (continued)
- [Qemu-block] [PATCH v3 11/36] qdict: Introduce qdict_rename_keys(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 10/36] test-qemu-opts: Test qemu_opts_to_qdict_filtered(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 13/36] block: Make bdrv_is_whitelisted() public, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 12/36] qcow2: Use visitor for options in qcow2_create(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 16/36] file-win32: Support .bdrv_co_create, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 14/36] block: x-blockdev-create QMP command, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 15/36] file-posix: Support .bdrv_co_create, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 17/36] gluster: Support .bdrv_co_create, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 18/36] rbd: Fix use after free in qemu_rbd_set_keypairs() error path, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 19/36] rbd: Factor out qemu_rbd_connect(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 21/36] rbd: Pass BlockdevOptionsRbd to qemu_rbd_connect(),
Kevin Wolf <=
- [Qemu-block] [PATCH v3 22/36] rbd: Support .bdrv_co_create, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 23/36] rbd: Assign s->snap/image_name in qemu_rbd_open(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 20/36] rbd: Remove non-schema options from runtime_opts, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 24/36] rbd: Use qemu_rbd_connect() in qemu_rbd_do_create(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 25/36] nfs: Use QAPI options in nfs_client_open(), Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 26/36] nfs: Support .bdrv_co_create, Kevin Wolf, 2018/02/23
- [Qemu-block] [PATCH v3 27/36] sheepdog: QAPIfy "redundancy" create option, Kevin Wolf, 2018/02/23