[libvirt] [PATCH] storage: backend: Log uid/gid when initializing storage file backend

To ease debugging permission problems add uid/gid values to the debug message when initializing a storage file backend. --- src/storage/storage_backend_fs.c | 4 ++-- src/storage/storage_backend_gluster.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c index 0ee1d09..b831268 100644 --- a/src/storage/storage_backend_fs.c +++ b/src/storage/storage_backend_fs.c @@ -1370,9 +1370,9 @@ virStorageFileBackendFileInit(virStorageSourcePtr src) { virStorageFileBackendFsPrivPtr priv = NULL; - VIR_DEBUG("initializing FS storage file %p (%s:%s)", src, + VIR_DEBUG("initializing FS storage file %p (%s:%s[%u:%u])", src, virStorageTypeToString(virStorageSourceGetActualType(src)), - src->path); + src->path, src->drv->uid, src->drv->gid); if (VIR_ALLOC(priv) < 0) return -1; diff --git a/src/storage/storage_backend_gluster.c b/src/storage/storage_backend_gluster.c index b79b634..9d7b0f5 100644 --- a/src/storage/storage_backend_gluster.c +++ b/src/storage/storage_backend_gluster.c @@ -582,9 +582,9 @@ virStorageFileBackendGlusterInit(virStorageSourcePtr src) hostname = host->name; - VIR_DEBUG("initializing gluster storage file %p (gluster://%s:%s/%s%s)", + VIR_DEBUG("initializing gluster storage file %p (gluster://%s:%s/%s%s)[%u:%u]", src, hostname, host->port ? host->port : "0", - NULLSTR(src->volume), src->path); + NULLSTR(src->volume), src->path, src->drv->uid, src->drv->gid); if (!src->volume) { virReportError(VIR_ERR_INTERNAL_ERROR, -- 2.1.0

On 12/04/2014 12:24 PM, Peter Krempa wrote:
To ease debugging permission problems add uid/gid values to the debug message when initializing a storage file backend. --- src/storage/storage_backend_fs.c | 4 ++-- src/storage/storage_backend_gluster.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c index 0ee1d09..b831268 100644 --- a/src/storage/storage_backend_fs.c +++ b/src/storage/storage_backend_fs.c @@ -1370,9 +1370,9 @@ virStorageFileBackendFileInit(virStorageSourcePtr src) { virStorageFileBackendFsPrivPtr priv = NULL;
- VIR_DEBUG("initializing FS storage file %p (%s:%s)", src, + VIR_DEBUG("initializing FS storage file %p (%s:%s[%u:%u])", src, virStorageTypeToString(virStorageSourceGetActualType(src)), - src->path); + src->path, src->drv->uid, src->drv->gid);
You'll need casts to keep gcc happy on all platforms. On at least 32-bit cygwin, uid_t is typed as 'long' instead of 'int'. Look at src/util/virutil.c for examples. ACK with the casts added. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org

On 12/04/14 21:36, Eric Blake wrote:
On 12/04/2014 12:24 PM, Peter Krempa wrote:
To ease debugging permission problems add uid/gid values to the debug message when initializing a storage file backend. --- src/storage/storage_backend_fs.c | 4 ++-- src/storage/storage_backend_gluster.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c index 0ee1d09..b831268 100644 --- a/src/storage/storage_backend_fs.c +++ b/src/storage/storage_backend_fs.c @@ -1370,9 +1370,9 @@ virStorageFileBackendFileInit(virStorageSourcePtr src) { virStorageFileBackendFsPrivPtr priv = NULL;
- VIR_DEBUG("initializing FS storage file %p (%s:%s)", src, + VIR_DEBUG("initializing FS storage file %p (%s:%s[%u:%u])", src, virStorageTypeToString(virStorageSourceGetActualType(src)), - src->path); + src->path, src->drv->uid, src->drv->gid);
You'll need casts to keep gcc happy on all platforms. On at least 32-bit cygwin, uid_t is typed as 'long' instead of 'int'. Look at src/util/virutil.c for examples.
ACK with the casts added.
I've adjusted the patch and pushed. I also found a few places where we use different (signed) or no typecasts in the storage driver. I'll post a separate patch to clean that up. Peter
participants (2)
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Eric Blake
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Peter Krempa