//!
//!
//!
//! @param[in] path
//! @param[in] bs
//!
//! @return EUCA_OK on success or EUCA_ERROR on failure
//!
//! @pre
//!
//! @post
//!
static int stat_blobstore(const char *path, blobstore * bs)
{
s64 size_mb = 0;
s64 allocated_mb = 0;
s64 reserved_mb = 0;
s64 locked_mb = 0;
s64 fs_size_mb = 0;
struct statfs fs = { 0 };
blobstore_meta meta = { {0} };
blobstore_stat(bs, &meta);
size_mb = meta.blocks_limit ? (meta.blocks_limit / 2048) : (-1L); // convert sectors->MB
allocated_mb = meta.blocks_limit ? (meta.blocks_allocated / 2048) : 0;
reserved_mb = meta.blocks_limit ? ((meta.blocks_locked + meta.blocks_unlocked) / 2048) : 0;
locked_mb = meta.blocks_limit ? (meta.blocks_locked / 2048) : (-1L);
if (statfs(path, &fs) == -1) {
LOGERROR("failed to stat %s: %s\n", path, strerror(errno));
return EUCA_ERROR;
}
fs_size_mb = ((s64) fs.f_bsize) * ((s64) (fs.f_blocks / MEGABYTE));
LOGINFO("disk space under %s\n", path);
LOGINFO(" %06ldMB limit (%.1f%% of the file system)\n", size_mb, ((double)size_mb / (double)fs_size_mb) * 100.0);
LOGINFO(" %06ldMB reserved for use (%.1f%% of limit)\n", reserved_mb, ((double)reserved_mb / (double)size_mb) * 100.0);
LOGINFO(" %06ldMB locked for use (%.1f%% of limit)\n", locked_mb, ((double)locked_mb / (double)size_mb) * 100.0);
LOGINFO(" %06ldMB allocated for use (%.1f%% of limit, %.1f%% of the file system)\n",
allocated_mb, ((double)allocated_mb / (double)size_mb) * 100.0, ((double)allocated_mb / (double)fs_size_mb) * 100.0);
return EUCA_OK;
}
static int stat_blobstore (const char * conf_instances_path, const char * name, blobstore_meta * meta)
{
bzero (meta, sizeof (blobstore_meta));
char path [MAX_PATH];
snprintf (path, sizeof (path), "%s/%s", conf_instances_path, name);
// stat the file system and return those numbers even if blobstore does not exist
if (statfs_path (path, &(meta->fs_bytes_size), &(meta->fs_bytes_available), &(meta->fs_id)) != OK) {
return ERROR;
}
// get the size and params of the blobstore, if it exists
blobstore * bs = blobstore_open (path,
0, // any size
0, // no flags = do not create it
BLOBSTORE_FORMAT_ANY,
BLOBSTORE_REVOCATION_ANY,
BLOBSTORE_SNAPSHOT_ANY);
if (bs == NULL)
return OK;
blobstore_stat (bs, meta);
blobstore_close (bs);
return OK;
}
static int stat_blobstore (const char * path, blobstore * bs)
{
blobstore_meta meta;
blobstore_stat (bs, &meta);
long long size_mb = meta.blocks_limit ? (meta.blocks_limit / 2048) : (-1L); // convert sectors->MB
long long allocated_mb = meta.blocks_limit ? (meta.blocks_allocated / 2048) : 0;
long long reserved_mb = meta.blocks_limit ? ((meta.blocks_locked + meta.blocks_unlocked) / 2048) : 0;
long long locked_mb = meta.blocks_limit ? (meta.blocks_locked / 2048) : (-1L);
struct statfs fs;
if (statfs (path, &fs) == -1) {
logprintfl (EUCAERROR, "error: failed to stat %s: %s\n", path, strerror(errno));
return 1;
}
long long fs_avail_mb = (long long)fs.f_bsize * (long long)(fs.f_bavail/MEGABYTE);
long long fs_size_mb = (long long)fs.f_bsize * (long long)(fs.f_blocks/MEGABYTE);
logprintfl (EUCAINFO, "disk space under %s\n", path);
logprintfl (EUCAINFO, " %06lldMB limit (%.1f%% of the file system)\n",
size_mb,
((double)size_mb/(double)fs_size_mb)*100.0);
logprintfl (EUCAINFO, " %06lldMB reserved for use (%.1f%% of limit)\n",
reserved_mb,
((double)reserved_mb/(double)size_mb)*100.0 );
logprintfl (EUCAINFO, " %06lldMB locked for use (%.1f%% of limit)\n",
locked_mb,
((double)locked_mb/(double)size_mb)*100.0 );
logprintfl (EUCAINFO, " %06lldMB allocated for use (%.1f%% of limit, %.1f%% of the file system)\n",
allocated_mb,
((double)allocated_mb/(double)size_mb)*100.0,
((double)allocated_mb/(double)fs_size_mb)*100.0 );
return 0;
}
static void stat_blobstore (const char * conf_instances_path, const char * name, blobstore_meta * meta)
{
bzero (meta, sizeof (blobstore_meta));
char path [MAX_PATH];
snprintf (path, sizeof (path), "%s/%s", conf_instances_path, name);
blobstore * bs = blobstore_open (path,
0, // any size
0, // no flags = do not create it
BLOBSTORE_FORMAT_ANY,
BLOBSTORE_REVOCATION_ANY,
BLOBSTORE_SNAPSHOT_ANY);
if (bs == NULL)
return;
blobstore_stat (bs, meta);
blobstore_close (bs);
}
//!
//! Stats the blobstore (name) created under the given path.
//!
//! @param[in] conf_instances_path path to where the instances information are stored
//! @param[in] name name of the blobstore
//! @param[out] meta the blobstore metadata to retrieve
//!
//! @return EUCA_OK on success or the following error codes:
//! \li EUCA_ACCESS_ERROR if we fail to access the requested blobstore
//!
//! @pre The conf_instance_path, name and meta fields must not be NULL.
//!
//! @post On success the meta fields have been updated
//!
static int stat_blobstore(const char *conf_instances_path, const char *name, blobstore_meta * meta)
{
char path[EUCA_MAX_PATH] = "";
blobstore *bs = NULL;
bzero(meta, sizeof(blobstore_meta));
snprintf(path, sizeof(path), "%s/%s", conf_instances_path, name);
// stat the file system and return those numbers even if blobstore does not exist
if (statfs_path(path, &(meta->fs_bytes_size), &(meta->fs_bytes_available), &(meta->fs_id)) != EUCA_OK) {
return (EUCA_ACCESS_ERROR);
}
// get the size and params of the blobstore, if it exists (do not create)
if ((bs = blobstore_open(path, 0, 0, BLOBSTORE_FORMAT_ANY, BLOBSTORE_REVOCATION_ANY, BLOBSTORE_SNAPSHOT_ANY)) == NULL)
return (EUCA_OK);
// stat and close our blobstore
blobstore_stat(bs, meta);
BLOBSTORE_CLOSE(bs);
return (EUCA_OK);
}
