Package org.libvirt

Examples of org.libvirt.StoragePool

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            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) {
            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) {
        }

        try {
            sp.destroy();
            sp.undefine();
            sp.free();
            if (s != null) {
                s.undefine();
                s.free();
            }
            return true;
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    @Override
    public KVMPhysicalDisk createPhysicalDisk(String name, KVMStoragePool pool,
            PhysicalDiskFormat format, long size) {
        LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
        StoragePool virtPool = libvirtPool.getPool();
        LibvirtStorageVolumeDef.volFormat libvirtformat = null;

        if (pool.getType() == StoragePoolType.RBD) {
            format = PhysicalDiskFormat.RAW;
        }

        if (format == PhysicalDiskFormat.QCOW2) {
            libvirtformat = LibvirtStorageVolumeDef.volFormat.QCOW2;
        } else if (format == PhysicalDiskFormat.RAW) {
            libvirtformat = LibvirtStorageVolumeDef.volFormat.RAW;
        }

        LibvirtStorageVolumeDef volDef = new LibvirtStorageVolumeDef(name,
                size, libvirtformat, null, null);
        s_logger.debug(volDef.toString());
        try {
            StorageVol vol = virtPool.storageVolCreateXML(volDef.toString(), 0);
            KVMPhysicalDisk disk = new KVMPhysicalDisk(vol.getPath(),
                    vol.getName(), pool);
            disk.setFormat(format);
            disk.setSize(vol.getInfo().allocation);
            disk.setVirtualSize(vol.getInfo().capacity);
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    @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 = this.getPhysicalDisk(volName, pool);
                disks.add(disk);
            }
            return disks;
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    }

    @Override
    public boolean refresh(KVMStoragePool pool) {
        LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
        StoragePool virtPool = libvirtPool.getPool();
        try {
            virtPool.refresh(0);
        } catch (LibvirtException e) {
            return false;
        }
        return true;
    }
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    }

    @Override
    public boolean deleteStoragePool(KVMStoragePool pool) {
        LibvirtStoragePool libvirtPool = (LibvirtStoragePool) pool;
        StoragePool virtPool = libvirtPool.getPool();
        try {
            virtPool.destroy();
            virtPool.undefine();
            virtPool.free();
        } catch (LibvirtException e) {
            return false;
        }

        return true;
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        return destPath;
    }

    protected String getMountPoint(NfsStoragePool storagePool) {

        StoragePool pool = null;
        String poolName = null;
        try {
            pool = LibvirtConnection.getConnection().storagePoolLookupByUUIDString(storagePool._poolUUID);
            if (pool != null) {
                StoragePoolInfo spi = pool.getInfo();
                if (spi.state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
                    pool.create(0);
                } else {
                    /*
                     * Sometimes, the mount point is lost, even libvirt thinks
                     * the storage pool still running
                     */
                }
                poolName = pool.getName();
            }

        } catch (LibvirtException e) {
            s_logger.debug("Ignoring libvirt error.", e);
        } finally {
            try {
                if (pool != null) {
                    pool.free();
                }
            } catch (LibvirtException e) {
                s_logger.debug("Ignoring libvirt error.", e);
            }
        }
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    private StoragePool createNetfsStoragePool(poolType fsType, Connect conn, String uuid, String host, String path) throws LibvirtException {
        String targetPath = _mountPoint + File.separator + uuid;
        LibvirtStoragePoolDef spd = new LibvirtStoragePoolDef(fsType, uuid, uuid, host, path, targetPath);
        _storageLayer.mkdir(targetPath);
        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 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 {
                        sp = conn.storagePoolCreateXML(spd.toString(), 0);
                        s_logger.error("Succeeded in redefining storage");
                        return sp;
                    } 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: specified path may be invalid");
                throw e;
            }
            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 undefine " + fsType.toString() + " storage pool with: " + l.toString());
                }
            }
            return null;
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        if (!_storageLayer.exists(mountPoint)) {
            s_logger.error(mountPoint + " does not exists. Check local.storage.path in agent.properties.");
            return null;
        }
        LibvirtStoragePoolDef spd = new LibvirtStoragePoolDef(poolType.DIR, uuid, uuid, host, path, path);
        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 shared mount point storage pool with: " + l.toString());
                }
            }
            return null;
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        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;
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    }

    private StoragePool createRBDStoragePool(Connect conn, String uuid, String host, int port, String userInfo, String path) {

        LibvirtStoragePoolDef spd;
        StoragePool sp = null;
        Secret s = null;

        String[] userInfoTemp = userInfo.split(":");
        if (userInfoTemp.length == 2) {
            LibvirtSecretDef sd = new LibvirtSecretDef(usage.CEPH, uuid);

            sd.setCephName(userInfoTemp[0] + "@" + host + ":" + port + "/" + path);

            try {
                s_logger.debug(sd.toString());
                s = conn.secretDefineXML(sd.toString());
                s.setValue(Base64.decodeBase64(userInfoTemp[1]));
            } catch (LibvirtException e) {
                s_logger.error("Failed to define the libvirt secret: " + e.toString());
                if (s != null) {
                    try {
                        s.undefine();
                        s.free();
                    } catch (LibvirtException l) {
                        s_logger.debug("Failed to undefine the libvirt secret: " + l.toString());
                    }
                }
                return null;
            }
            spd = new LibvirtStoragePoolDef(poolType.RBD, uuid, uuid, host, port, path, userInfoTemp[0], authType.CEPH, uuid);
        } else {
            spd = new LibvirtStoragePoolDef(poolType.RBD, uuid, uuid, host, port, path, "");
        }

        try {
            s_logger.debug(spd.toString());
            sp = conn.storagePoolCreateXML(spd.toString(), 0);
            return sp;
        } catch (LibvirtException e) {
            s_logger.debug("Failed to create RBD storage pool: " + 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 undefine RBD storage pool: " + l.toString());
                }
            }
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Related Classes of org.libvirt.StoragePool

  • com.cloud.hypervisor.kvm.resource.KVMHABase
  • com.cloud.hypervisor.kvm.resource.KVMHAMonitor$Monitor
  • com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor
  • org.jclouds.libvirt.compute.strategy.LibvirtComputeServiceAdapter
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