static int cgroups_read (void)
{
cu_mount_t *mnt_list;
cu_mount_t *mnt_ptr;
_Bool cgroup_found = 0;
mnt_list = NULL;
if (cu_mount_getlist (&mnt_list) == NULL)
{
ERROR ("cgroups plugin: cu_mount_getlist failed.");
return (-1);
}
for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
{
/* Find the cgroup mountpoint which contains the cpuacct
* controller. */
if ((strcmp(mnt_ptr->type, "cgroup") != 0)
|| !cu_mount_checkoption(mnt_ptr->options,
"cpuacct", /* full = */ 1))
continue;
walk_directory (mnt_ptr->dir, read_cpuacct_root,
/* user_data = */ NULL,
/* include_hidden = */ 0);
cgroup_found = 1;
/* It doesn't make sense to check other cpuacct mount-points
* (if any), they contain the same data. */
break;
}
cu_mount_freelist (mnt_list);
if (!cgroup_found)
{
WARNING ("cgroups plugin: Unable to find cgroup "
"mount-point with the \"cpuacct\" option.");
return (-1);
}
return (0);
} /* int cgroup_read */
static int df_read (void)
{
#if HAVE_STATVFS
struct statvfs statbuf;
#elif HAVE_STATFS
struct statfs statbuf;
#endif
/* struct STATANYFS statbuf; */
cu_mount_t *mnt_list;
cu_mount_t *mnt_ptr;
mnt_list = NULL;
if (cu_mount_getlist (&mnt_list) == NULL)
{
ERROR ("df plugin: cu_mount_getlist failed.");
return (-1);
}
for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
{
unsigned long long blocksize;
char disk_name[256];
uint64_t blk_free;
uint64_t blk_reserved;
uint64_t blk_used;
char const *dev = (mnt_ptr->spec_device != NULL)
? mnt_ptr->spec_device
: mnt_ptr->device;
if (ignorelist_match (il_device, dev))
continue;
if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
continue;
if (ignorelist_match (il_fstype, mnt_ptr->type))
continue;
if (STATANYFS (mnt_ptr->dir, &statbuf) < 0)
{
char errbuf[1024];
ERROR (STATANYFS_STR"(%s) failed: %s",
mnt_ptr->dir,
sstrerror (errno, errbuf,
sizeof (errbuf)));
continue;
}
if (!statbuf.f_blocks)
continue;
if (by_device)
{
/* eg, /dev/hda1 -- strip off the "/dev/" */
if (strncmp (dev, "/dev/", strlen ("/dev/")) == 0)
sstrncpy (disk_name, dev + strlen ("/dev/"), sizeof (disk_name));
else
sstrncpy (disk_name, dev, sizeof (disk_name));
if (strlen(disk_name) < 1)
{
DEBUG("df: no device name for mountpoint %s, skipping", mnt_ptr->dir);
continue;
}
}
else
{
if (strcmp (mnt_ptr->dir, "/") == 0)
{
if (strcmp (mnt_ptr->type, "rootfs") == 0)
continue;
sstrncpy (disk_name, "root", sizeof (disk_name));
}
else
{
int i, len;
sstrncpy (disk_name, mnt_ptr->dir + 1, sizeof (disk_name));
len = strlen (disk_name);
for (i = 0; i < len; i++)
if (disk_name[i] == '/')
disk_name[i] = '-';
}
}
blocksize = BLOCKSIZE(statbuf);
/*
* Sanity-check for the values in the struct
*/
/* Check for negative "available" byes. For example UFS can
* report negative free space for user. Notice. blk_reserved
* will start to diminish after this. */
#if HAVE_STATVFS
/* Cast and temporary variable are needed to avoid
* compiler warnings.
* ((struct statvfs).f_bavail is unsigned (POSIX)) */
int64_t signed_bavail = (int64_t) statbuf.f_bavail;
if (signed_bavail < 0)
statbuf.f_bavail = 0;
#elif HAVE_STATFS
if (statbuf.f_bavail < 0)
statbuf.f_bavail = 0;
#endif
/* Make sure that f_blocks >= f_bfree >= f_bavail */
if (statbuf.f_bfree < statbuf.f_bavail)
statbuf.f_bfree = statbuf.f_bavail;
if (statbuf.f_blocks < statbuf.f_bfree)
statbuf.f_blocks = statbuf.f_bfree;
blk_free = (uint64_t) statbuf.f_bavail;
blk_reserved = (uint64_t) (statbuf.f_bfree - statbuf.f_bavail);
blk_used = (uint64_t) (statbuf.f_blocks - statbuf.f_bfree);
if (values_absolute)
{
df_submit_one (disk_name, "df_complex", "free",
(gauge_t) (blk_free * blocksize));
df_submit_one (disk_name, "df_complex", "reserved",
(gauge_t) (blk_reserved * blocksize));
df_submit_one (disk_name, "df_complex", "used",
(gauge_t) (blk_used * blocksize));
}
if (values_percentage)
{
if (statbuf.f_blocks > 0)
{
df_submit_one (disk_name, "percent_bytes", "free",
(gauge_t) ((float_t)(blk_free) / statbuf.f_blocks * 100));
df_submit_one (disk_name, "percent_bytes", "reserved",
(gauge_t) ((float_t)(blk_reserved) / statbuf.f_blocks * 100));
df_submit_one (disk_name, "percent_bytes", "used",
(gauge_t) ((float_t)(blk_used) / statbuf.f_blocks * 100));
}
else return (-1);
}
/* inode handling */
if (report_inodes && statbuf.f_files != 0 && statbuf.f_ffree != 0)
{
uint64_t inode_free;
uint64_t inode_reserved;
uint64_t inode_used;
/* Sanity-check for the values in the struct */
if (statbuf.f_ffree < statbuf.f_favail)
statbuf.f_ffree = statbuf.f_favail;
if (statbuf.f_files < statbuf.f_ffree)
statbuf.f_files = statbuf.f_ffree;
inode_free = (uint64_t) statbuf.f_favail;
inode_reserved = (uint64_t) (statbuf.f_ffree - statbuf.f_favail);
inode_used = (uint64_t) (statbuf.f_files - statbuf.f_ffree);
if (values_percentage)
{
if (statbuf.f_files > 0)
{
df_submit_one (disk_name, "percent_inodes", "free",
(gauge_t) ((float_t)(inode_free) / statbuf.f_files * 100));
df_submit_one (disk_name, "percent_inodes", "reserved",
(gauge_t) ((float_t)(inode_reserved) / statbuf.f_files * 100));
df_submit_one (disk_name, "percent_inodes", "used",
(gauge_t) ((float_t)(inode_used) / statbuf.f_files * 100));
}
else return (-1);
}
if (values_absolute)
{
df_submit_one (disk_name, "df_inodes", "free",
(gauge_t) inode_free);
df_submit_one (disk_name, "df_inodes", "reserved",
(gauge_t) inode_reserved);
df_submit_one (disk_name, "df_inodes", "used",
(gauge_t) inode_used);
}
}
}
cu_mount_freelist (mnt_list);
return (0);
} /* int df_read */
static int df_read (void)
{
#if HAVE_STATVFS
struct statvfs statbuf;
#elif HAVE_STATFS
struct statfs statbuf;
#endif
/* struct STATANYFS statbuf; */
cu_mount_t *mnt_list;
cu_mount_t *mnt_ptr;
unsigned long long blocksize;
gauge_t df_free;
gauge_t df_used;
char mnt_name[256];
mnt_list = NULL;
if (cu_mount_getlist (&mnt_list) == NULL)
return (-1);
for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
{
if (STATANYFS (mnt_ptr->dir, &statbuf) < 0)
{
char errbuf[1024];
ERROR ("statv?fs failed: %s",
sstrerror (errno, errbuf,
sizeof (errbuf)));
continue;
}
if (!statbuf.f_blocks)
continue;
blocksize = BLOCKSIZE(statbuf);
df_free = statbuf.f_bfree * blocksize;
df_used = (statbuf.f_blocks - statbuf.f_bfree) * blocksize;
if (strcmp (mnt_ptr->dir, "/") == 0)
{
sstrncpy (mnt_name, "root", sizeof (mnt_name));
}
else
{
int i, len;
sstrncpy (mnt_name, mnt_ptr->dir + 1, sizeof (mnt_name));
len = strlen (mnt_name);
for (i = 0; i < len; i++)
if (mnt_name[i] == '/')
mnt_name[i] = '-';
}
if (ignorelist_match (il_device,
(mnt_ptr->spec_device != NULL)
? mnt_ptr->spec_device
: mnt_ptr->device))
continue;
if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
continue;
if (ignorelist_match (il_fstype, mnt_ptr->type))
continue;
df_submit (mnt_name, df_used, df_free);
}
cu_mount_freelist (mnt_list);
return (0);
} /* int df_read */
static int df_read (void)
{
#if HAVE_STATVFS
struct statvfs statbuf;
#elif HAVE_STATFS
struct statfs statbuf;
#endif
/* struct STATANYFS statbuf; */
cu_mount_t *mnt_list;
cu_mount_t *mnt_ptr;
mnt_list = NULL;
if (cu_mount_getlist (&mnt_list) == NULL)
{
ERROR ("df plugin: cu_mount_getlist failed.");
return (-1);
}
for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
{
unsigned long long blocksize;
char disk_name[256];
uint64_t blk_free;
uint64_t blk_reserved;
uint64_t blk_used;
if (ignorelist_match (il_device,
(mnt_ptr->spec_device != NULL)
? mnt_ptr->spec_device
: mnt_ptr->device))
continue;
if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
continue;
if (ignorelist_match (il_fstype, mnt_ptr->type))
continue;
if (STATANYFS (mnt_ptr->dir, &statbuf) < 0)
{
char errbuf[1024];
ERROR ("statv?fs failed: %s",
sstrerror (errno, errbuf,
sizeof (errbuf)));
continue;
}
if (!statbuf.f_blocks)
continue;
if (by_device)
{
/* eg, /dev/hda1 -- strip off the "/dev/" */
if (strncmp (mnt_ptr->spec_device, "/dev/", strlen ("/dev/")) == 0)
sstrncpy (disk_name, mnt_ptr->spec_device + strlen ("/dev/"), sizeof (disk_name));
else
sstrncpy (disk_name, mnt_ptr->spec_device, sizeof (disk_name));
if (strlen(disk_name) < 1)
{
DEBUG("df: no device name name for mountpoint %s, skipping", mnt_ptr->dir);
continue;
}
}
else
{
if (strcmp (mnt_ptr->dir, "/") == 0)
{
sstrncpy (disk_name, "root", sizeof (disk_name));
}
else
{
int i, len;
sstrncpy (disk_name, mnt_ptr->dir + 1, sizeof (disk_name));
len = strlen (disk_name);
for (i = 0; i < len; i++)
if (disk_name[i] == '/')
disk_name[i] = '-';
}
}
blocksize = BLOCKSIZE(statbuf);
/* Sanity-check for the values in the struct */
if (statbuf.f_bfree < statbuf.f_bavail)
statbuf.f_bfree = statbuf.f_bavail;
if (statbuf.f_blocks < statbuf.f_bfree)
statbuf.f_blocks = statbuf.f_bfree;
blk_free = (uint64_t) statbuf.f_bavail;
blk_reserved = (uint64_t) (statbuf.f_bfree - statbuf.f_bavail);
blk_used = (uint64_t) (statbuf.f_blocks - statbuf.f_bfree);
df_submit_one (disk_name, "df_complex", "free",
(gauge_t) (blk_free * blocksize));
df_submit_one (disk_name, "df_complex", "reserved",
(gauge_t) (blk_reserved * blocksize));
df_submit_one (disk_name, "df_complex", "used",
(gauge_t) (blk_used * blocksize));
/* inode handling */
if (report_inodes)
{
uint64_t inode_free;
uint64_t inode_reserved;
uint64_t inode_used;
/* Sanity-check for the values in the struct */
if (statbuf.f_ffree < statbuf.f_favail)
statbuf.f_ffree = statbuf.f_favail;
if (statbuf.f_files < statbuf.f_ffree)
statbuf.f_files = statbuf.f_ffree;
inode_free = (uint64_t) statbuf.f_favail;
inode_reserved = (uint64_t) (statbuf.f_ffree - statbuf.f_favail);
inode_used = (uint64_t) (statbuf.f_files - statbuf.f_ffree);
df_submit_one (disk_name, "df_inodes", "free",
(gauge_t) inode_free);
df_submit_one (disk_name, "df_inodes", "reserved",
(gauge_t) inode_reserved);
df_submit_one (disk_name, "df_inodes", "used",
(gauge_t) inode_used);
}
}
cu_mount_freelist (mnt_list);
return (0);
} /* int df_read */
