def config_restore_remote(infile_name, infile_obj): extracted = { "version.txt": "", "corosync.conf": "", "cluster.conf": "", } try: tarball = tarfile.open(infile_name, "r|*", infile_obj) while True: tar_member_info = tarball.next() if tar_member_info is None: break if tar_member_info.name in extracted: tar_member = tarball.extractfile(tar_member_info) extracted[tar_member_info.name] = tar_member.read() tar_member.close() tarball.close() except (tarfile.TarError, EnvironmentError) as e: utils.err("unable to read the tarball: %s" % e) config_backup_check_version(extracted["version.txt"]) node_list = utils.getNodesFromCorosyncConf( extracted["cluster.conf" if utils.is_rhel6() else "corosync.conf"] ) if not node_list: utils.err("no nodes found in the tarball") for node in node_list: try: retval, output = utils.checkStatus(node) if retval != 0: utils.err("unable to determine status of the node %s" % node) status = json.loads(output) if status["corosync"] or status["pacemaker"] or status["cman"]: utils.err( "Cluster is currently running on node %s. You need to stop " "the cluster in order to restore the configuration." % node ) except (ValueError, NameError): utils.err("unable to determine status of the node %s" % node) if infile_obj: infile_obj.seek(0) tarball_data = infile_obj.read() else: with open(infile_name, "r") as tarball: tarball_data = tarball.read() error_list = [] for node in node_list: retval, error = utils.restoreConfig(node, tarball_data) if retval != 0: error_list.append(error) if error_list: utils.err("unable to restore all nodes\n" + "\n".join(error_list))
def config_restore_remote(infile_name, infile_obj): extracted = { "version.txt": "", "corosync.conf": "", "cluster.conf": "", } try: tarball = tarfile.open(infile_name, "r|*", infile_obj) while True: tar_member_info = tarball.next() if tar_member_info is None: break if tar_member_info.name in extracted: tar_member = tarball.extractfile(tar_member_info) extracted[tar_member_info.name] = tar_member.read() tar_member.close() tarball.close() except (tarfile.TarError, EnvironmentError) as e: utils.err("unable to read the tarball: %s" % e) config_backup_check_version(extracted["version.txt"]) node_list = utils.getNodesFromCorosyncConf( extracted["cluster.conf" if utils.is_rhel6() else "corosync.conf"]) if not node_list: utils.err("no nodes found in the tarball") for node in node_list: try: retval, output = utils.checkStatus(node) if retval != 0: utils.err("unable to determine status of the node %s" % node) status = json.loads(output) if status["corosync"] or status["pacemaker"] or status["cman"]: utils.err( "Cluster is currently running on node %s. You need to stop " "the cluster in order to restore the configuration." % node) except (ValueError, NameError): utils.err("unable to determine status of the node %s" % node) if infile_obj: infile_obj.seek(0) tarball_data = infile_obj.read() else: with open(infile_name, "r") as tarball: tarball_data = tarball.read() error_list = [] for node in node_list: retval, error = utils.restoreConfig(node, tarball_data) if retval != 0: error_list.append(error) if error_list: utils.err("unable to restore all nodes\n" + "\n".join(error_list))
def config_restore_remote(infile_name, infile_obj): extracted = { "version.txt": "", "corosync.conf": "", "cluster.conf": "", } try: tarball = tarfile.open(infile_name, "r|*", infile_obj) while True: # next(tarball) does not work in python2.6 tar_member_info = tarball.next() if tar_member_info is None: break if tar_member_info.name in extracted: tar_member = tarball.extractfile(tar_member_info) extracted[tar_member_info.name] = tar_member.read() tar_member.close() tarball.close() except (tarfile.TarError, EnvironmentError) as e: utils.err("unable to read the tarball: %s" % e) config_backup_check_version(extracted["version.txt"]) node_list = utils.getNodesFromCorosyncConf( extracted["cluster.conf" if utils.is_rhel6() else "corosync.conf"].decode("utf-8") ) if not node_list: utils.err("no nodes found in the tarball") err_msgs = [] for node in node_list: try: retval, output = utils.checkStatus(node) if retval != 0: err_msgs.append(output) continue status = json.loads(output) if status["corosync"] or status["pacemaker"] or status["cman"]: err_msgs.append( "Cluster is currently running on node %s. You need to stop " "the cluster in order to restore the configuration." % node ) continue except (ValueError, NameError): err_msgs.append("unable to determine status of the node %s" % node) if err_msgs: for msg in err_msgs: utils.err(msg, False) sys.exit(1) # Temporarily disable config files syncing thread in pcsd so it will not # rewrite restored files. 10 minutes should be enough time to restore. # If node returns HTTP 404 it does not support config syncing at all. for node in node_list: retval, output = utils.pauseConfigSyncing(node, 10 * 60) if not (retval == 0 or output.endswith("(HTTP error: 404)")): utils.err(output) if infile_obj: infile_obj.seek(0) tarball_data = infile_obj.read() else: with open(infile_name, "rb") as tarball: tarball_data = tarball.read() error_list = [] for node in node_list: retval, error = utils.restoreConfig(node, tarball_data) if retval != 0: error_list.append(error) if error_list: utils.err("unable to restore all nodes\n" + "\n".join(error_list))
def config_restore_remote(infile_name, infile_obj): extracted = { "version.txt": "", "corosync.conf": "", "cluster.conf": "", } try: tarball = tarfile.open(infile_name, "r|*", infile_obj) while True: tar_member_info = next(tarball) if tar_member_info is None: break if tar_member_info.name in extracted: tar_member = tarball.extractfile(tar_member_info) extracted[tar_member_info.name] = tar_member.read() tar_member.close() tarball.close() except (tarfile.TarError, EnvironmentError) as e: utils.err("unable to read the tarball: %s" % e) config_backup_check_version(extracted["version.txt"]) node_list = utils.getNodesFromCorosyncConf( extracted["cluster.conf" if utils.is_rhel6() else "corosync.conf"]) if not node_list: utils.err("no nodes found in the tarball") err_msgs = [] for node in node_list: try: retval, output = utils.checkStatus(node) if retval != 0: err_msgs.append(output) continue status = json.loads(output) if status["corosync"] or status["pacemaker"] or status["cman"]: err_msgs.append( "Cluster is currently running on node %s. You need to stop " "the cluster in order to restore the configuration." % node) continue except (ValueError, NameError): err_msgs.append("unable to determine status of the node %s" % node) if err_msgs: for msg in err_msgs: utils.err(msg, False) sys.exit(1) # Temporarily disable config files syncing thread in pcsd so it will not # rewrite restored files. 10 minutes should be enough time to restore. # If node returns HTTP 404 it does not support config syncing at all. for node in node_list: retval, output = utils.pauseConfigSyncing(node, 10 * 60) if not (retval == 0 or output.endswith("(HTTP error: 404)")): utils.err(output) if infile_obj: infile_obj.seek(0) tarball_data = infile_obj.read() else: with open(infile_name, "r") as tarball: tarball_data = tarball.read() error_list = [] for node in node_list: retval, error = utils.restoreConfig(node, tarball_data) if retval != 0: error_list.append(error) if error_list: utils.err("unable to restore all nodes\n" + "\n".join(error_list))