/* Parse replicator site element */
static int _add_site(struct lv_segment *seg,
const char *key,
const struct dm_config_node *sn)
{
struct dm_pool *mem = seg->lv->vg->vgmem;
const struct dm_config_node *cn;
struct replicator_site *rsite;
if (!(rsite = _get_site(seg->lv, key)))
return_0;
if (!dm_config_find_node(sn, "site_index"))
return SEG_LOG_ERROR("Mandatory site_index is missing for");
rsite->state = _get_state(sn, "state", REPLICATOR_STATE_PASSIVE);
rsite->site_index = _get_config_uint32(sn, "site_index", 0);
if (rsite->site_index > seg->rsite_index_highest)
return SEG_LOG_ERROR("site_index=%d > highest_site_index=%d for",
rsite->site_index, seg->rsite_index_highest);
rsite->fall_behind_data = _get_config_uint64(sn, "fall_behind_data", 0);
rsite->fall_behind_ios = _get_config_uint32(sn, "fall_behind_ios", 0);
rsite->fall_behind_timeout = _get_config_uint32(sn, "fall_behind_timeout", 0);
rsite->op_mode = DM_REPLICATOR_SYNC;
if (rsite->fall_behind_data ||
rsite->fall_behind_ios ||
rsite->fall_behind_timeout) {
if (rsite->fall_behind_data && rsite->fall_behind_ios)
return SEG_LOG_ERROR("Defined both fall_behind_data "
"and fall_behind_ios in");
if (rsite->fall_behind_data && rsite->fall_behind_timeout)
return SEG_LOG_ERROR("Defined both fall_behind_data "
"and fall_behind_timeout in");
if (rsite->fall_behind_ios && rsite->fall_behind_timeout)
return SEG_LOG_ERROR("Defined both fall_behind_ios "
"and fall_behind_timeout in");
rsite->op_mode = _get_op_mode(sn, "operation_mode",
rsite->op_mode);
}
if ((cn = dm_config_find_node(sn, "volume_group"))) {
if (!cn->v || cn->v->type != DM_CFG_STRING)
return SEG_LOG_ERROR("volume_group must be a string in");
if (!(rsite->vg_name = dm_pool_strdup(mem, cn->v->v.str)))
return_0;
} else if (rsite->site_index != 0)
return SEG_LOG_ERROR("volume_group is mandatory for remote site in");
return 1;
}
/* Destructively merge a new config tree into an existing one */
int merge_config_tree(struct cmd_context *cmd, struct dm_config_tree *cft,
struct dm_config_tree *newdata, config_merge_t merge_type)
{
struct dm_config_node *root = cft->root;
struct dm_config_node *cn, *nextn, *oldn, *cn2;
const struct dm_config_node *tn;
struct config_source *cs, *csn;
for (cn = newdata->root; cn; cn = nextn) {
nextn = cn->sib;
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Ignore tags section */
if (!strcmp(cn->key, "tags"))
continue;
/* If there's a tags node, skip if host tags don't match */
if ((tn = dm_config_find_node(cn->child, "tags"))) {
if (!_match_host_tags(&cmd->tags, tn))
continue;
}
}
if (!(oldn = dm_config_find_node(root, cn->key))) {
_insert_config_node(&cft->root, cn);
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Remove any "tags" nodes */
for (cn2 = cn->child; cn2; cn2 = cn2->sib) {
if (!strcmp(cn2->key, "tags")) {
cn->child = cn2->sib;
continue;
}
if (cn2->sib && !strcmp(cn2->sib->key, "tags")) {
cn2->sib = cn2->sib->sib;
continue;
}
}
}
continue;
}
_merge_section(oldn, cn, merge_type);
}
/*
* Persistent filter loading is based on timestamp,
* so we need to know the newest timestamp to make right decision
* whether the .cache isn't older then any of configs
*/
cs = dm_config_get_custom(cft);
csn = dm_config_get_custom(newdata);
if (cs && csn && (cs->timestamp < csn->timestamp))
cs->timestamp = csn->timestamp;
return 1;
}
static void test_clone(void)
{
struct dm_config_tree *tree = dm_config_from_string(conf);
struct dm_config_node *n = dm_config_clone_node(tree, tree->root, 1);
const struct dm_config_value *value;
/* Check that the nodes are actually distinct. */
CU_ASSERT(n != tree->root);
CU_ASSERT(n->sib != tree->root->sib);
CU_ASSERT(dm_config_find_node(n, "physical_volumes") != NULL);
CU_ASSERT(dm_config_find_node(tree->root, "physical_volumes") != NULL);
CU_ASSERT(dm_config_find_node(n, "physical_volumes") != dm_config_find_node(tree->root, "physical_volumes"));
CU_ASSERT(dm_config_has_node(n, "id"));
CU_ASSERT(dm_config_has_node(n, "physical_volumes"));
CU_ASSERT(dm_config_has_node(n, "physical_volumes/pv0"));
CU_ASSERT(dm_config_has_node(n, "physical_volumes/pv0/id"));
CU_ASSERT(!strcmp(dm_config_find_str(n, "id", "foo"), "yada-yada"));
CU_ASSERT(!strcmp(dm_config_find_str(n, "idt", "foo"), "foo"));
CU_ASSERT(!strcmp(dm_config_find_str(n, "physical_volumes/pv0/bb", "foo"), "foo"));
CU_ASSERT(!strcmp(dm_config_find_str(n, "physical_volumes/pv0/id", "foo"), "abcd-efgh"));
CU_ASSERT(!dm_config_get_uint32(n, "id", NULL));
CU_ASSERT(dm_config_get_uint32(n, "extent_size", NULL));
/* FIXME: Currently everything parses as a list, even if it's not */
// CU_ASSERT(!dm_config_get_list(tree->root, "id", NULL));
// CU_ASSERT(!dm_config_get_list(tree->root, "extent_size", NULL));
CU_ASSERT(dm_config_get_list(n, "flags", &value));
CU_ASSERT(value->next == NULL); /* an empty list */
CU_ASSERT(dm_config_get_list(n, "status", &value));
CU_ASSERT(value->next != NULL); /* a non-empty list */
dm_config_destroy(tree);
}
/* Destructively merge a new config tree into an existing one */
int merge_config_tree(struct cmd_context *cmd, struct dm_config_tree *cft,
struct dm_config_tree *newdata)
{
struct dm_config_node *root = cft->root;
struct dm_config_node *cn, *nextn, *oldn, *cn2;
const struct dm_config_node *tn;
for (cn = newdata->root; cn; cn = nextn) {
nextn = cn->sib;
/* Ignore tags section */
if (!strcmp(cn->key, "tags"))
continue;
/* If there's a tags node, skip if host tags don't match */
if ((tn = dm_config_find_node(cn->child, "tags"))) {
if (!_match_host_tags(&cmd->tags, tn))
continue;
}
if (!(oldn = dm_config_find_node(root, cn->key))) {
_insert_config_node(&cft->root, cn);
/* Remove any "tags" nodes */
for (cn2 = cn->child; cn2; cn2 = cn2->sib) {
if (!strcmp(cn2->key, "tags")) {
cn->child = cn2->sib;
continue;
}
if (cn2->sib && !strcmp(cn2->sib->key, "tags")) {
cn2->sib = cn2->sib->sib;
continue;
}
}
continue;
}
_merge_section(oldn, cn);
}
return 1;
}
/*
* Merge section cn2 into section cn1 (which has the same name)
* overwriting any existing cn1 nodes with matching names.
*/
static void _merge_section(struct dm_config_node *cn1, struct dm_config_node *cn2,
config_merge_t merge_type)
{
struct dm_config_node *cn, *nextn, *oldn;
struct dm_config_value *cv;
for (cn = cn2->child; cn; cn = nextn) {
nextn = cn->sib;
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Skip "tags" */
if (!strcmp(cn->key, "tags"))
continue;
}
/* Subsection? */
if (!cn->v)
/* Ignore - we don't have any of these yet */
continue;
/* Not already present? */
if (!(oldn = dm_config_find_node(cn1->child, cn->key))) {
_insert_config_node(&cn1->child, cn);
continue;
}
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Merge certain value lists */
if ((!strcmp(cn1->key, "activation") &&
!strcmp(cn->key, "volume_list")) ||
(!strcmp(cn1->key, "devices") &&
(!strcmp(cn->key, "filter") || !strcmp(cn->key, "types")))) {
cv = cn->v;
while (cv->next)
cv = cv->next;
cv->next = oldn->v;
}
}
/* Replace values */
oldn->v = cn->v;
}
}
int config_write(struct dm_config_tree *cft, const char *file,
int argc, char **argv)
{
const struct dm_config_node *cn;
int r = 1;
FILE *fp = NULL;
if (!file) {
fp = stdout;
file = "stdout";
} else if (!(fp = fopen(file, "w"))) {
log_sys_error("open", file);
return 0;
}
log_verbose("Dumping configuration to %s", file);
if (!argc) {
if (!dm_config_write_node(cft->root, _putline_fn, fp)) {
log_error("Failure while writing to %s", file);
r = 0;
}
} else while (argc--) {
if ((cn = dm_config_find_node(cft->root, *argv))) {
if (!dm_config_write_node(cn, _putline_fn, fp)) {
log_error("Failure while writing to %s", file);
r = 0;
}
} else {
log_error("Configuration node %s not found", *argv);
r = 0;
}
argv++;
}
if (fp && dm_fclose(fp)) {
stack;
r = 0;
}
return r;
}
int main(int argc, char **argv)
{
daemon_reply reply;
char *cmd;
char *uuid;
char *name;
int val;
int ver;
if (argc < 2) {
printf("lvmetactl dump\n");
printf("lvmetactl pv_list\n");
printf("lvmetactl vg_list\n");
printf("lvmetactl vg_lookup_name <name>\n");
printf("lvmetactl vg_lookup_uuid <uuid>\n");
printf("lvmetactl pv_lookup_uuid <uuid>\n");
printf("lvmetactl set_global_invalid 0|1\n");
printf("lvmetactl get_global_invalid\n");
printf("lvmetactl set_vg_version <uuid> <name> <version>\n");
printf("lvmetactl vg_lock_type <uuid>\n");
return -1;
}
cmd = argv[1];
h = lvmetad_open(NULL);
if (!strcmp(cmd, "dump")) {
reply = daemon_send_simple(h, "dump",
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "pv_list")) {
reply = daemon_send_simple(h, "pv_list",
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "vg_list")) {
reply = daemon_send_simple(h, "vg_list",
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "set_global_invalid")) {
if (argc < 3) {
printf("set_global_invalid 0|1\n");
return -1;
}
val = atoi(argv[2]);
reply = daemon_send_simple(h, "set_global_info",
"global_invalid = %d", val,
"token = %s", "skip",
NULL);
print_reply(reply);
} else if (!strcmp(cmd, "get_global_invalid")) {
reply = daemon_send_simple(h, "get_global_info",
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "set_vg_version")) {
if (argc < 5) {
printf("set_vg_version <uuid> <name> <ver>\n");
return -1;
}
uuid = argv[2];
name = argv[3];
ver = atoi(argv[4]);
if ((strlen(uuid) == 1) && (uuid[0] == '-'))
uuid = NULL;
if ((strlen(name) == 1) && (name[0] == '-'))
name = NULL;
if (uuid && name) {
reply = daemon_send_simple(h, "set_vg_info",
"uuid = %s", uuid,
"name = %s", name,
"version = %d", ver,
"token = %s", "skip",
NULL);
} else if (uuid) {
reply = daemon_send_simple(h, "set_vg_info",
"uuid = %s", uuid,
"version = %d", ver,
"token = %s", "skip",
NULL);
} else if (name) {
reply = daemon_send_simple(h, "set_vg_info",
"name = %s", name,
"version = %d", ver,
"token = %s", "skip",
NULL);
} else {
printf("name or uuid required\n");
return -1;
}
print_reply(reply);
} else if (!strcmp(cmd, "vg_lookup_name")) {
if (argc < 3) {
printf("vg_lookup_name <name>\n");
return -1;
}
name = argv[2];
reply = daemon_send_simple(h, "vg_lookup",
"name = %s", name,
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "vg_lookup_uuid")) {
if (argc < 3) {
printf("vg_lookup_uuid <uuid>\n");
return -1;
}
uuid = argv[2];
reply = daemon_send_simple(h, "vg_lookup",
"uuid = %s", uuid,
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else if (!strcmp(cmd, "vg_lock_type")) {
struct dm_config_node *metadata;
const char *lock_type;
if (argc < 3) {
printf("vg_lock_type <uuid>\n");
return -1;
}
uuid = argv[2];
reply = daemon_send_simple(h, "vg_lookup",
"uuid = %s", uuid,
"token = %s", "skip",
NULL);
/* printf("%s\n", reply.buffer.mem); */
metadata = dm_config_find_node(reply.cft->root, "metadata");
if (!metadata) {
printf("no metadata\n");
goto out;
}
lock_type = dm_config_find_str(metadata, "metadata/lock_type", NULL);
if (!lock_type) {
printf("no lock_type\n");
goto out;
}
printf("lock_type %s\n", lock_type);
} else if (!strcmp(cmd, "pv_lookup_uuid")) {
if (argc < 3) {
printf("pv_lookup_uuid <uuid>\n");
return -1;
}
uuid = argv[2];
reply = daemon_send_simple(h, "pv_lookup",
"uuid = %s", uuid,
"token = %s", "skip",
NULL);
printf("%s\n", reply.buffer.mem);
} else {
printf("unknown command\n");
goto out_close;
}
out:
daemon_reply_destroy(reply);
out_close:
daemon_close(h);
return 0;
}