Examples with StoragePool org.libvirt.StoragePool used on opensource projects

Example 46 with StoragePool

use of org.libvirt.StoragePool in project cloudstack by apache.

the class LibvirtStorageAdaptor method listPhysicalDisks.

@Override
public List<KVMPhysicalDisk> listPhysicalDisks(String storagePoolUuid, KVMStoragePool pool) {
    LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
    StoragePool virtPool = libvirtPool.getPool();
    List<KVMPhysicalDisk> disks = new ArrayList<KVMPhysicalDisk>();
    try {
        String[] vols = virtPool.listVolumes();
        for (String volName : vols) {
            KVMPhysicalDisk disk = getPhysicalDisk(volName, pool);
            disks.add(disk);
        }
        return disks;
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
}

Example 47 with StoragePool

use of org.libvirt.StoragePool in project cloudstack by apache.

the class LibvirtStorageAdaptor method deleteStoragePool.

@Override
public boolean deleteStoragePool(String uuid) {
    s_logger.info("Attempting to remove storage pool " + uuid + " from libvirt");
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
    StoragePool sp = null;
    Secret s = null;
    try {
        sp = conn.storagePoolLookupByUUIDString(uuid);
    } catch (LibvirtException e) {
        s_logger.warn("Storage pool " + uuid + " doesn't exist in libvirt. Assuming it is already removed");
        return true;
    }
    /*
         * Some storage pools, like RBD also have 'secret' information stored in libvirt
         * Destroy them if they exist
         */
    try {
        s = conn.secretLookupByUUIDString(uuid);
    } catch (LibvirtException e) {
        s_logger.info("Storage pool " + uuid + " has no corresponding secret. Not removing any secret.");
    }
    try {
        if (sp.isPersistent() == 1) {
            sp.destroy();
            sp.undefine();
        } else {
            sp.destroy();
        }
        sp.free();
        if (s != null) {
            s.undefine();
            s.free();
        }
        s_logger.info("Storage pool " + uuid + " was succesfully removed from libvirt.");
        return true;
    } catch (LibvirtException e) {
        // handle ebusy error when pool is quickly destroyed
        if (e.toString().contains("exit status 16")) {
            String targetPath = _mountPoint + File.separator + uuid;
            s_logger.error("deleteStoragePool removed pool from libvirt, but libvirt had trouble unmounting the pool. Trying umount location " + targetPath + "again in a few seconds");
            String result = Script.runSimpleBashScript("sleep 5 && umount " + targetPath);
            if (result == null) {
                s_logger.error("Succeeded in unmounting " + targetPath);
                return true;
            }
            s_logger.error("Failed to unmount " + targetPath);
        }
        throw new CloudRuntimeException(e.toString(), e);
    }
}

Example 48 with StoragePool

use of org.libvirt.StoragePool in project cloudstack by apache.

the class LibvirtStorageAdaptor method createPhysicalDiskByLibVirt.

private KVMPhysicalDisk createPhysicalDiskByLibVirt(String name, KVMStoragePool pool, PhysicalDiskFormat format, Storage.ProvisioningType provisioningType, long size) {
    LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
    StoragePool virtPool = libvirtPool.getPool();
    LibvirtStorageVolumeDef.VolumeFormat libvirtformat = LibvirtStorageVolumeDef.VolumeFormat.getFormat(format);
    String volPath = null;
    String volName = null;
    long volAllocation = 0;
    long volCapacity = 0;
    LibvirtStorageVolumeDef volDef = new LibvirtStorageVolumeDef(name, size, libvirtformat, null, null);
    s_logger.debug(volDef.toString());
    try {
        StorageVol vol = virtPool.storageVolCreateXML(volDef.toString(), 0);
        volPath = vol.getPath();
        volName = vol.getName();
        volAllocation = vol.getInfo().allocation;
        volCapacity = vol.getInfo().capacity;
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
    KVMPhysicalDisk disk = new KVMPhysicalDisk(volPath, volName, pool);
    disk.setFormat(format);
    disk.setSize(volAllocation);
    disk.setVirtualSize(volCapacity);
    return disk;
}

Example 49 with StoragePool

use of org.libvirt.StoragePool in project cloudstack by apache.

the class LibvirtStorageAdaptor method createCLVMStoragePool.

private StoragePool createCLVMStoragePool(Connect conn, String uuid, String host, String path) {
    String volgroupPath = "/dev/" + path;
    String volgroupName = path;
    volgroupName = volgroupName.replaceFirst("/", "");
    LibvirtStoragePoolDef spd = new LibvirtStoragePoolDef(PoolType.LOGICAL, volgroupName, uuid, host, volgroupPath, volgroupPath);
    StoragePool sp = null;
    try {
        s_logger.debug(spd.toString());
        sp = conn.storagePoolCreateXML(spd.toString(), 0);
        return sp;
    } catch (LibvirtException e) {
        s_logger.error(e.toString());
        if (sp != null) {
            try {
                if (sp.isPersistent() == 1) {
                    sp.destroy();
                    sp.undefine();
                } else {
                    sp.destroy();
                }
                sp.free();
            } catch (LibvirtException l) {
                s_logger.debug("Failed to define clvm storage pool with: " + l.toString());
            }
        }
        return null;
    }
}

Example 50 with StoragePool

use of org.libvirt.StoragePool in project cloudstack by apache.

the class ManagedNfsStorageAdaptor method connectPhysicalDisk.

/*
     * creates a nfs storage pool using libvirt
     */
@Override
public boolean connectPhysicalDisk(String volumeUuid, KVMStoragePool pool, Map<String, String> details) {
    StoragePool sp = null;
    Connect conn = null;
    String targetPath = null;
    LibvirtStoragePoolDef spd = null;
    try {
        conn = LibvirtConnection.getConnection();
        if (conn == null) {
            throw new CloudRuntimeException("Failed to create Libvrt Connection");
        }
        targetPath = "/mnt" + volumeUuid;
        spd = new LibvirtStoragePoolDef(PoolType.NETFS, volumeUuid, details.get(DiskTO.UUID), pool.getSourceHost(), details.get(DiskTO.MOUNT_POINT), targetPath);
        _storageLayer.mkdir(targetPath);
        s_logger.debug(spd.toString());
        sp = conn.storagePoolCreateXML(spd.toString(), 0);
        if (sp == null) {
            throw new CloudRuntimeException("Failed to create storage pool:" + volumeUuid);
        }
        try {
            if (sp.isActive() == 0) {
                // s_logger.debug("attempting to activate pool " + name);
                sp.create(0);
            }
            // now add the storage pool
            LibvirtStoragePool storagePool = (LibvirtStoragePool) getStoragePool(pool.getUuid());
            storagePool.setPool(sp);
            return true;
        } catch (LibvirtException e) {
            String error = e.toString();
            if (error.contains("Storage source conflict")) {
                throw new CloudRuntimeException("A pool matching this location already exists in libvirt, " + " but has a different UUID/Name. Cannot create new pool without first " + " removing it. Check for inactive pools via 'virsh pool-list --all'. " + error);
            } else {
                throw new CloudRuntimeException(error);
            }
        }
    } catch (LibvirtException e) {
        s_logger.error(e.toString());
        // if error is that pool is mounted, try to handle it
        if (e.toString().contains("already mounted")) {
            s_logger.error("Attempting to unmount old mount libvirt is unaware of at " + targetPath);
            String result = Script.runSimpleBashScript("umount -l " + targetPath);
            if (result == null) {
                s_logger.error("Succeeded in unmounting " + targetPath);
                try {
                    conn.storagePoolCreateXML(spd.toString(), 0);
                    s_logger.error("Succeeded in redefining storage");
                    return true;
                } catch (LibvirtException l) {
                    s_logger.error("Target was already mounted, unmounted it but failed to redefine storage:" + l);
                }
            } else {
                s_logger.error("Failed in unmounting and redefining storage");
            }
        } else {
            s_logger.error("Internal error occurred when attempting to mount:" + e.getMessage());
            // stacktrace for agent.log
            e.printStackTrace();
            throw new CloudRuntimeException(e.toString());
        }
        return false;
    }
}