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git://sourceware.org/git/lvm2.git
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a4724350e4
We shouldn't be adding spaces by default in output as that may be be used already in scripts and especially for the eval in shell scripts where spaces are not allowed between key and value! Add --withspaces option to lvmconfig for pretty output with more space in for readability.
320 lines
9.0 KiB
C
320 lines
9.0 KiB
C
/*
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* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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static int _get_vsn(struct cmd_context *cmd, uint16_t *version_int)
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{
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const char *atversion = arg_str_value(cmd, atversion_ARG, LVM_VERSION);
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unsigned int major, minor, patchlevel;
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if (sscanf(atversion, "%u.%u.%u", &major, &minor, &patchlevel) != 3) {
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log_error("Incorrect version format.");
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return 0;
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}
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*version_int = vsn(major, minor, patchlevel);
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return 1;
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}
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static int _do_def_check(struct config_def_tree_spec *spec,
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struct dm_config_tree *cft,
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struct cft_check_handle **cft_check_handle)
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{
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struct cft_check_handle *handle;
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if (!(handle = get_config_tree_check_handle(spec->cmd, cft)))
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return 0;
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handle->force_check = 1;
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handle->suppress_messages = 1;
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if (spec->type == CFG_DEF_TREE_DIFF) {
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if (!handle->check_diff)
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handle->skip_if_checked = 0;
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handle->check_diff = 1;
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} else {
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handle->skip_if_checked = 1;
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handle->check_diff = 0;
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}
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handle->ignoreunsupported = spec->ignoreunsupported;
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handle->ignoreadvanced = spec->ignoreadvanced;
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config_def_check(handle);
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*cft_check_handle = handle;
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return 1;
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}
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static int _merge_config_cascade(struct cmd_context *cmd, struct dm_config_tree *cft_cascaded,
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struct dm_config_tree **cft_merged)
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{
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if (!cft_cascaded)
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return 1;
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if (!*cft_merged && !(*cft_merged = config_open(CONFIG_MERGED_FILES, NULL, 0)))
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return_0;
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if (!_merge_config_cascade(cmd, cft_cascaded->cascade, cft_merged))
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return_0;
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return merge_config_tree(cmd, *cft_merged, cft_cascaded, CONFIG_MERGE_TYPE_RAW);
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}
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static int _config_validate(struct cmd_context *cmd, struct dm_config_tree *cft)
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{
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struct cft_check_handle *handle;
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if (!(handle = get_config_tree_check_handle(cmd, cft)))
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return 1;
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handle->force_check = 1;
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handle->skip_if_checked = 1;
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handle->suppress_messages = 0;
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return config_def_check(handle);
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}
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int dumpconfig(struct cmd_context *cmd, int argc, char **argv)
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{
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const char *file = arg_str_value(cmd, file_ARG, NULL);
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const char *type = arg_str_value(cmd, configtype_ARG, arg_count(cmd, list_ARG) ? "list" : "current");
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struct config_def_tree_spec tree_spec = {0};
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struct dm_config_tree *cft = NULL;
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struct cft_check_handle *cft_check_handle = NULL;
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struct profile *profile = NULL;
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int r = ECMD_PROCESSED;
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tree_spec.cmd = cmd;
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if (arg_count(cmd, configtype_ARG) && arg_count(cmd, validate_ARG)) {
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log_error("Only one of --type and --validate permitted.");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, configtype_ARG) && arg_count(cmd, list_ARG)) {
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log_error("Only one of --type and --list permitted.");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, atversion_ARG) && !arg_count(cmd, configtype_ARG) &&
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!arg_count(cmd, list_ARG)) {
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log_error("--atversion requires --type or --list");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, ignoreadvanced_ARG))
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tree_spec.ignoreadvanced = 1;
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if (arg_count(cmd, ignoreunsupported_ARG)) {
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if (arg_count(cmd, showunsupported_ARG)) {
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log_error("Only one of --ignoreunsupported and --showunsupported permitted.");
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return EINVALID_CMD_LINE;
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}
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tree_spec.ignoreunsupported = 1;
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} else if (arg_count(cmd, showunsupported_ARG)) {
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tree_spec.ignoreunsupported = 0;
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} else if (strcmp(type, "current") && strcmp(type, "diff")) {
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/*
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* By default hide unsupported settings
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* for all display types except "current"
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* and "diff".
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*/
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tree_spec.ignoreunsupported = 1;
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}
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if (strcmp(type, "current") && strcmp(type, "diff")) {
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/*
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* By default hide deprecated settings
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* for all display types except "current"
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* and "diff" unless --showdeprecated is set.
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*
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* N.B. Deprecated settings are visible if
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* --atversion is used with a version that
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* is lower than the version in which the
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* setting was deprecated.
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*/
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if (!arg_count(cmd, showdeprecated_ARG))
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tree_spec.ignoredeprecated = 1;
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}
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if (arg_count(cmd, ignorelocal_ARG))
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tree_spec.ignorelocal = 1;
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if (!strcmp(type, "current")) {
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if (arg_count(cmd, atversion_ARG)) {
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log_error("--atversion has no effect with --type current");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, ignoreunsupported_ARG) ||
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arg_count(cmd, ignoreadvanced_ARG)) {
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/* FIXME: allow these even for --type current */
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log_error("--ignoreadvanced and --ignoreunsupported has "
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"no effect with --type current");
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return EINVALID_CMD_LINE;
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}
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} else if (arg_count(cmd, mergedconfig_ARG)) {
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log_error("--mergedconfig has no effect without --type current");
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return EINVALID_CMD_LINE;
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}
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if (!_get_vsn(cmd, &tree_spec.version))
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return EINVALID_CMD_LINE;
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/*
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* The profile specified by --profile cmd arg is like --commandprofile,
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* but it is used just for dumping the profile content and not for
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* application.
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*/
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if (arg_count(cmd, profile_ARG) &&
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(!(profile = add_profile(cmd, arg_str_value(cmd, profile_ARG, NULL), CONFIG_PROFILE_COMMAND)) ||
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!override_config_tree_from_profile(cmd, profile))) {
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log_error("Failed to load profile %s.", arg_str_value(cmd, profile_ARG, NULL));
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return ECMD_FAILED;
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}
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/*
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* Set the 'cft' to work with based on whether we need the plain
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* config tree or merged config tree cascade if --mergedconfig is used.
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*/
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if (arg_count(cmd, mergedconfig_ARG) && cmd->cft->cascade) {
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if (!_merge_config_cascade(cmd, cmd->cft, &cft)) {
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log_error("Failed to merge configuration.");
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r = ECMD_FAILED;
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goto out;
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}
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} else
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cft = cmd->cft;
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if (arg_count(cmd, validate_ARG)) {
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if (_config_validate(cmd, cft)) {
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log_print("LVM configuration valid.");
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goto out;
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} else {
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log_error("LVM configuration invalid.");
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r = ECMD_FAILED;
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goto out;
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}
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}
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if (!strcmp(type, "list") || arg_count(cmd, list_ARG)) {
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tree_spec.type = CFG_DEF_TREE_LIST;
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if (arg_count(cmd, withcomments_ARG)) {
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log_error("--withcomments has no effect with --type list");
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return EINVALID_CMD_LINE;
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}
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/* list type does not require status check */
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} else if (!strcmp(type, "current")) {
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tree_spec.type = CFG_DEF_TREE_CURRENT;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "missing")) {
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tree_spec.type = CFG_DEF_TREE_MISSING;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "default")) {
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tree_spec.type = CFG_DEF_TREE_DEFAULT;
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/* default type does not require check status */
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}
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else if (!strcmp(type, "diff")) {
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tree_spec.type = CFG_DEF_TREE_DIFF;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "new")) {
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tree_spec.type = CFG_DEF_TREE_NEW;
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/* new type does not require check status */
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}
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else if (!strcmp(type, "profilable")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE;
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/* profilable type does not require check status */
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}
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else if (!strcmp(type, "profilable-command")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE_CMD;
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/* profilable-command type does not require check status */
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}
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else if (!strcmp(type, "profilable-metadata")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE_MDA;
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/* profilable-metadata type does not require check status */
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}
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else {
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log_error("Incorrect type of configuration specified. "
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"Expected one of: current, default, list, missing, new, "
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"profilable, profilable-command, profilable-metadata.");
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r = EINVALID_CMD_LINE;
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goto out;
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}
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if (arg_count(cmd, withsummary_ARG) || arg_count(cmd, list_ARG))
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tree_spec.withsummary = 1;
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if (arg_count(cmd, withcomments_ARG))
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tree_spec.withcomments = 1;
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if (arg_count(cmd, unconfigured_ARG))
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tree_spec.unconfigured = 1;
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if (arg_count(cmd, withversions_ARG))
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tree_spec.withversions = 1;
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if (arg_count(cmd, withspaces_ARG))
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tree_spec.withspaces = 1;
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if (cft_check_handle)
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tree_spec.check_status = cft_check_handle->status;
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if ((tree_spec.type != CFG_DEF_TREE_CURRENT) &&
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(tree_spec.type != CFG_DEF_TREE_DIFF) &&
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!(cft = config_def_create_tree(&tree_spec))) {
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r = ECMD_FAILED;
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goto_out;
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}
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if (!config_write(cft, &tree_spec, file, argc, argv)) {
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stack;
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r = ECMD_FAILED;
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}
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out:
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if (cft && (cft != cmd->cft))
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dm_pool_destroy(cft->mem);
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else if (profile)
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remove_config_tree_by_source(cmd, CONFIG_PROFILE_COMMAND);
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/*
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* The cmd->cft (the "current" tree) is destroyed
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* together with cmd context destroy...
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*/
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return r;
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}
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int config(struct cmd_context *cmd, int argc, char **argv)
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{
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return dumpconfig(cmd, argc, argv);
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}
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int lvmconfig(struct cmd_context *cmd, int argc, char **argv)
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{
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return dumpconfig(cmd, argc, argv);
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}
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