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virStorageSourceParseBackingJSON: Pass around original backing file string

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There are a few error messages which might want to report the original
backing store string. Pass it around rather than trying to re-generate
it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-02-03 13:33:06 +01:00
parent b71cf8726c
commit 4a6bc568cd
1 changed files with 20 additions and 11 deletions
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31
src/util/virstoragefile.c
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@ -3051,12 +3051,14 @@ virStorageSourceParseBackingColon(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONInternal(virStorageSourcePtr src,
virJSONValuePtr json);
virJSONValuePtr json,
const char *jsonstr);
static int
virStorageSourceParseBackingJSONPath(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int type)
{
const char *path;
@ -3101,6 +3103,7 @@ virStorageSourceParseBackingJSONUriStr(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONUri(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int protocol)
{
const char *uri;
@ -3204,6 +3207,7 @@ virStorageSourceParseBackingJSONSocketAddress(virStorageNetHostDefPtr host,
static int
virStorageSourceParseBackingJSONGluster(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *uri = virJSONValueObjectGetString(json, "filename");
@ -3257,6 +3261,7 @@ virStorageSourceParseBackingJSONGluster(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONiSCSI(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *transport = virJSONValueObjectGetString(json, "transport");
@ -3326,6 +3331,7 @@ virStorageSourceParseBackingJSONiSCSI(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONNbd(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *path = virJSONValueObjectGetString(json, "path");
@ -3373,6 +3379,7 @@ virStorageSourceParseBackingJSONNbd(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONSheepdog(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *filename;
@ -3416,6 +3423,7 @@ virStorageSourceParseBackingJSONSheepdog(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONSSH(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *path = virJSONValueObjectGetString(json, "path");
@ -3458,6 +3466,7 @@ virStorageSourceParseBackingJSONSSH(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONRBD(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *filename;
@ -3509,18 +3518,20 @@ virStorageSourceParseBackingJSONRBD(virStorageSourcePtr src,
static int
virStorageSourceParseBackingJSONRaw(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr,
int opaque G_GNUC_UNUSED)
{
/* There are no interesting attributes in raw driver.
* Treat it as pass-through.
*/
return virStorageSourceParseBackingJSONInternal(src, json);
return virStorageSourceParseBackingJSONInternal(src, json, jsonstr);
}
static int
virStorageSourceParseBackingJSONVxHS(virStorageSourcePtr src,
virJSONValuePtr json,
const char *jsonstr G_GNUC_UNUSED,
int opaque G_GNUC_UNUSED)
{
const char *vdisk_id = virJSONValueObjectGetString(json, "vdisk-id");
@ -3559,7 +3570,7 @@ struct virStorageSourceJSONDriverParser {
* can't be converted to libvirt's configuration (e.g. inline authentication
* credentials are present).
*/
int (*func)(virStorageSourcePtr src, virJSONValuePtr json, int opaque);
int (*func)(virStorageSourcePtr src, virJSONValuePtr json, const char *jsonstr, int opaque);
int opaque;
};
@ -3586,36 +3597,34 @@ static const struct virStorageSourceJSONDriverParser jsonParsers[] = {
static int
virStorageSourceParseBackingJSONInternal(virStorageSourcePtr src,
virJSONValuePtr json)
virJSONValuePtr json,
const char *jsonstr)
{
g_autoptr(virJSONValue) deflattened = NULL;
virJSONValuePtr file;
const char *drvname;
size_t i;
g_autofree char *str = NULL;
if (!(deflattened = virJSONValueObjectDeflatten(json)))
return -1;
if (!(file = virJSONValueObjectGetObject(deflattened, "file"))) {
str = virJSONValueToString(json, false);
virReportError(VIR_ERR_INVALID_ARG,
_("JSON backing volume definition '%s' lacks 'file' object"),
NULLSTR(str));
jsonstr);
return -1;
}
if (!(drvname = virJSONValueObjectGetString(file, "driver"))) {
str = virJSONValueToString(json, false);
virReportError(VIR_ERR_INVALID_ARG,
_("JSON backing volume definition '%s' lacks driver name"),
NULLSTR(str));
jsonstr);
return -1;
}
for (i = 0; i < G_N_ELEMENTS(jsonParsers); i++) {
if (STREQ(drvname, jsonParsers[i].drvname))
return jsonParsers[i].func(src, file, jsonParsers[i].opaque);
return jsonParsers[i].func(src, file, jsonstr, jsonParsers[i].opaque);
}
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -3634,7 +3643,7 @@ virStorageSourceParseBackingJSON(virStorageSourcePtr src,
if (!(root = virJSONValueFromString(json)))
return -1;
return virStorageSourceParseBackingJSONInternal(src, root);
return virStorageSourceParseBackingJSONInternal(src, root, json);
}