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 {
            if (sp.isPersistent() == 1) {
                sp.destroy();
                sp.undefine();
            } else {
                sp.destroy();
            }
            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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            String host, String path) {
        String targetPath = _mountPoint + File.separator + uuid;
        LibvirtStoragePoolDef spd = new LibvirtStoragePoolDef(poolType.NETFS,
                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 " + 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");
                }
            }
            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 nfs storage pool with: "
                        + l.toString());
                }
            }
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            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());
                }
            }
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        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());
                }
            }
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    private StoragePool createRBDStoragePool(Connect conn, String uuid,
        String host, int port, String userInfo, String path) {

        LibvirtStoragePoolDef spd;
        StoragePool sp = null;

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

            Secret s = null;

            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(e.toString());
                if (s != null) {
                    try {
                        s.undefine();
                        s.free();
                    } catch (LibvirtException l) {
                        s_logger.debug("Failed to define secret with: " + l.toString());
                        }
                }
            }
            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(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 RBD storage pool with: " + l.toString());
                }
            }
            return null;
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        File path = new File(localStoragePath);
        if (!(path.canWrite() && path.canRead() && path.canExecute())) {
            return null;
        }

        StoragePool pool = null;

        try {
            pool = conn.storagePoolLookupByUUIDString(uuid);
        } catch (LibvirtException e) {

        }

        if (pool == null) {
            LibvirtStoragePoolDef spd = new LibvirtStoragePoolDef(poolType.DIR,
                    uuid, uuid, null, null, localStoragePath);
            try {
                pool = conn.storagePoolDefineXML(spd.toString(), 0);
                pool.create(0);
            } catch (LibvirtException e) {
                if (pool != null) {
                    try {
                        pool.destroy();
                        pool.undefine();
                    } catch (LibvirtException e1) {
                    }
                    pool = null;
                }
                throw new CloudRuntimeException(e.toString());
            }
        }

        try {
            StoragePoolInfo spi = pool.getInfo();
            if (spi.state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
                pool.create(0);
            }

        } catch (LibvirtException e) {
            throw new CloudRuntimeException(e.toString());
        }
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        return pool;
    }

    @Override
    public KVMStoragePool getStoragePool(String uuid) {
        StoragePool storage = null;
        try {
            Connect conn = LibvirtConnection.getConnection();
            storage = conn.storagePoolLookupByUUIDString(uuid);

            if (storage.getInfo().state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
                storage.create(0);
            }
            LibvirtStoragePoolDef spd = getStoragePoolDef(conn, storage);
            StoragePoolType type = null;
            if (spd.getPoolType() == LibvirtStoragePoolDef.poolType.NETFS
                    || spd.getPoolType() == LibvirtStoragePoolDef.poolType.DIR) {
                type = StoragePoolType.Filesystem;
            } else if (spd.getPoolType() == LibvirtStoragePoolDef.poolType.RBD) {
                type = StoragePoolType.RBD;
            } else if (spd.getPoolType() == LibvirtStoragePoolDef.poolType.LOGICAL) {
                type = StoragePoolType.CLVM;
            }

            LibvirtStoragePool pool = new LibvirtStoragePool(uuid, storage.getName(),
                                                            type, this, storage);

            if (pool.getType() != StoragePoolType.RBD) {
                pool.setLocalPath(spd.getTargetPath());
            } else {
                pool.setLocalPath("");
                pool.setSourceHost(spd.getSourceHost());
                pool.setSourcePort(spd.getSourcePort());
                pool.setSourceDir(spd.getSourceDir());
                String authUsername = spd.getAuthUserName();
                if (authUsername != null) {
                    Secret secret = conn.secretLookupByUUIDString(spd.getSecretUUID());
                    String secretValue = new String(Base64.encodeBase64(secret.getByteValue()));
                    pool.setAuthUsername(authUsername);
                    pool.setAuthSecret(secretValue);
                }
            }

            pool.refresh();
            pool.setCapacity(storage.getInfo().capacity);
            pool.setUsed(storage.getInfo().allocation);
            pool.setAvailable(storage.getInfo().available);

            return pool;
        } catch (LibvirtException e) {
            throw new CloudRuntimeException(e.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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