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

Example 36 with StoragePool

use of org.libvirt.StoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtStorageAdaptor method deleteStoragePool.

@Override
public boolean deleteStoragePool(final String uuid) {
    logger.info("Attempting to remove storage pool " + uuid + " from libvirt");
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (final LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
    StoragePool storagePool = null;
    Secret secretString = null;
    try {
        storagePool = conn.storagePoolLookupByUUIDString(uuid);
    } catch (final LibvirtException e) {
        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 {
        secretString = conn.secretLookupByUUIDString(uuid);
    } catch (final LibvirtException e) {
        logger.info("Storage pool " + uuid + " has no corresponding secret. Not removing any secret.");
    }
    try {
        if (storagePool.isPersistent() == 1) {
            storagePool.destroy();
            storagePool.undefine();
        } else {
            storagePool.destroy();
        }
        storagePool.free();
        if (secretString != null) {
            secretString.undefine();
            secretString.free();
        }
        logger.info("Storage pool " + uuid + " was succesfully removed from libvirt.");
        return true;
    } catch (final LibvirtException e) {
        // handle ebusy error when pool is quickly destroyed
        if (e.toString().contains("exit status 16")) {
            final String targetPath = mountPoint + File.separator + uuid;
            logger.error("deleteStoragePool removed pool from libvirt, but libvirt had trouble unmounting the pool. " + "Trying umount location " + targetPath + " again in a few seconds");
            final String result = Script.runSimpleBashScript("sleep 5 && umount " + targetPath);
            if (result == null) {
                logger.error("Succeeded in unmounting " + targetPath);
                return true;
            }
            logger.error("Failed to unmount " + targetPath);
        }
        throw new CloudRuntimeException(e.toString(), e);
    }
}

Example 37 with StoragePool

use of org.libvirt.StoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtStorageAdaptor method createStoragePool.

@Override
public KvmStoragePool createStoragePool(final String name, final String host, final int port, String path, final String userInfo, final StoragePoolType type) {
    logger.info("Attempting to create storage pool " + name + " (" + type.toString() + ") in libvirt");
    StoragePool sp = null;
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (final LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
    try {
        sp = conn.storagePoolLookupByUUIDString(name);
        if (sp != null && sp.isActive() == 0) {
            sp.undefine();
            sp = null;
            logger.info("Found existing defined storage pool " + name + ". It wasn't running, so we undefined it.");
        }
        if (sp != null) {
            logger.info("Found existing defined storage pool " + name + ", using it.");
        }
    } catch (final LibvirtException e) {
        sp = null;
        logger.warn("Storage pool " + name + " was not found running in libvirt. Need to create it.");
    }
    // existing paths
    if (path.endsWith("/")) {
        path = path.substring(0, path.length() - 1);
    }
    if (sp == null) {
        // see if any existing pool by another name is using our storage path.
        // if anyone is, undefine the pool so we can define it as requested.
        // This should be safe since a pool in use can't be removed, and no
        // volumes are affected by unregistering the pool with libvirt.
        logger.info("Didn't find an existing storage pool " + name + " by UUID, checking for pools with duplicate paths");
        try {
            final String[] poolnames = conn.listStoragePools();
            for (final String poolname : poolnames) {
                logger.debug("Checking path of existing pool " + poolname + " against pool we want to create");
                final StoragePool p = conn.storagePoolLookupByName(poolname);
                final LibvirtStoragePoolDef pdef = getStoragePoolDef(conn, p);
                final String targetPath = pdef.getTargetPath();
                if (targetPath != null && targetPath.equals(path)) {
                    logger.debug("Storage pool utilizing path '" + path + "' already exists as pool " + poolname + ", undefining so we can re-define with correct name " + name);
                    if (p.isPersistent() == 1) {
                        p.destroy();
                        p.undefine();
                    } else {
                        p.destroy();
                    }
                }
            }
        } catch (final LibvirtException e) {
            logger.error("Failure in attempting to see if an existing storage pool might be using the path " + "of the pool to be created:" + e);
        }
        logger.debug("Attempting to create storage pool " + name);
        if (type == StoragePoolType.NetworkFilesystem) {
            try {
                sp = createNetfsStoragePool(PoolType.NETFS, conn, name, host, path);
            } catch (final LibvirtException e) {
                logger.error("Failed to create netfs mount: " + host + ":" + path, e);
                logger.error(e.getStackTrace().toString());
                throw new CloudRuntimeException(e.toString());
            }
        } else if (type == StoragePoolType.Gluster) {
            try {
                sp = createNetfsStoragePool(PoolType.GLUSTERFS, conn, name, host, path);
            } catch (final LibvirtException e) {
                logger.error("Failed to create glusterfs mount: " + host + ":" + path, e);
                logger.error(e.getStackTrace().toString());
                throw new CloudRuntimeException(e.toString());
            }
        } else if (type == StoragePoolType.SharedMountPoint || type == StoragePoolType.Filesystem) {
            sp = createSharedStoragePool(conn, name, host, path);
        } else if (type == StoragePoolType.RBD) {
            sp = createRbdStoragePool(conn, name, host, port, userInfo, path);
        } else if (type == StoragePoolType.CLVM) {
            sp = createClvmStoragePool(conn, name, host, path);
        }
    }
    if (sp == null) {
        throw new CloudRuntimeException("Failed to create storage pool: " + name);
    }
    try {
        if (sp.isActive() == 0) {
            logger.debug("Attempting to activate pool " + name);
            sp.create(0);
        }
        return getStoragePool(name);
    } catch (final LibvirtException e) {
        final 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);
        }
    }
}

Example 38 with StoragePool

use of org.libvirt.StoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtStorageAdaptor method refresh.

@Override
public boolean refresh(final KvmStoragePool pool) {
    final LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
    final StoragePool virtPool = libvirtPool.getPool();
    try {
        refreshPool(virtPool);
    } catch (final LibvirtException e) {
        return false;
    }
    return true;
}

Example 39 with StoragePool

use of org.libvirt.StoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtStorageAdaptor method createPhysicalDiskByLibVirt.

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

Example 40 with StoragePool

use of org.libvirt.StoragePool in project cosmic by MissionCriticalCloud.

the class ManagedNfsStorageAdaptor method disconnectPhysicalDisk.

/*
     * disconnect the disk by destroying the sp pointer
     */
public boolean disconnectPhysicalDisk(final KvmStoragePool pool, final String mountpoint) throws LibvirtException {
    final LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
    final StoragePool sp = libvirtPool.getPool();
    // destroy the pool
    sp.destroy();
    return true;
}