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rbd: Remove non-schema options from runtime_opts 

Instead of the QemuOpts in qemu_rbd_connect(), we want to use QAPI
objects. As a preparation, fetch those options directly from the QDict
that .bdrv_open() supports in the rbd driver and that are not in the
schema.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
master
Kevin Wolf 2018-02-15 20:31:04 +01:00
parent 3d9136f972
commit 4ff4504974
1 changed files with 24 additions and 31 deletions
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55
block/rbd.c
View File

@ -326,28 +326,6 @@ static QemuOptsList runtime_opts = {
/*
* server.* extracted manually, see qemu_rbd_mon_host()
*/
{
.name = "password-secret",
.type = QEMU_OPT_STRING,
.help = "ID of secret providing the password",
},
/*
* Keys for qemu_rbd_parse_filename(), not in the QAPI schema
*/
{
/*
* HACK: name starts with '=' so that qemu_opts_parse()
* can't set it
*/
.name = "=keyvalue-pairs",
.type = QEMU_OPT_STRING,
.help = "Legacy rados key/value option parameters",
},
{
.name = "filename",
.type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
};
@ -548,12 +526,13 @@ out:
static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
char **s_snap, char **s_image_name,
QDict *options, bool cache, Error **errp)
QDict *options, bool cache,
const char *keypairs, const char *secretid,
Error **errp)
{
QemuOpts *opts;
char *mon_host = NULL;
const char *pool, *snap, *conf, *user, *image_name, *keypairs;
const char *secretid;
const char *pool, *snap, *conf, *user, *image_name;
Error *local_err = NULL;
int r;
@ -572,14 +551,11 @@ static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
goto failed_opts;
}
secretid = qemu_opt_get(opts, "password-secret");
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");
keypairs = qemu_opt_get(opts, "=keyvalue-pairs");
if (!pool || !image_name) {
error_setg(errp, "Parameters 'pool' and 'image' are required");
@ -664,6 +640,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
BDRVRBDState *s = bs->opaque;
Error *local_err = NULL;
const char *filename;
char *keypairs, *secretid;
int r;
/* If we are given a filename, parse the filename, with precedence given to
@ -674,16 +651,28 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
"This is an unsupported option, and may be deprecated "
"in the future");
qemu_rbd_parse_filename(filename, options, &local_err);
qdict_del(options, "filename");
if (local_err) {
error_propagate(errp, local_err);
return -EINVAL;
}
}
keypairs = g_strdup(qdict_get_try_str(options, "=keyvalue-pairs"));
if (keypairs) {
qdict_del(options, "=keyvalue-pairs");
}
secretid = g_strdup(qdict_get_try_str(options, "password-secret"));
if (secretid) {
qdict_del(options, "password-secret");
}
r = qemu_rbd_connect(&s->cluster, &s->io_ctx, &s->snap, &s->image_name,
options, !(flags & BDRV_O_NOCACHE), errp);
options, !(flags & BDRV_O_NOCACHE), keypairs, secretid,
errp);
if (r < 0) {
return r;
goto out;
}
/* rbd_open is always r/w */
@ -710,13 +699,17 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
}
}
return 0;
r = 0;
goto out;
failed_open:
rados_ioctx_destroy(s->io_ctx);
g_free(s->snap);
g_free(s->image_name);
rados_shutdown(s->cluster);
out:
g_free(keypairs);
g_free(secretid);
return r;
}