diff options
Diffstat (limited to 'registry/registry_init.c')
| -rw-r--r-- | registry/registry_init.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/registry/registry_init.c b/registry/registry_init.c new file mode 100644 index 0000000..3cf140d --- /dev/null +++ b/registry/registry_init.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "../daemon/common.h" +#include "registry_internals.h" + +int registry_init(void) { + char filename[FILENAME_MAX + 1]; + + // registry enabled? + if(web_server_mode != WEB_SERVER_MODE_NONE) { + registry.enabled = config_get_boolean(CONFIG_SECTION_REGISTRY, "enabled", 0); + } + else { + info("Registry is disabled - use the central netdata"); + config_set_boolean(CONFIG_SECTION_REGISTRY, "enabled", 0); + registry.enabled = 0; + } + + // pathnames + snprintfz(filename, FILENAME_MAX, "%s/registry", netdata_configured_varlib_dir); + registry.pathname = config_get(CONFIG_SECTION_REGISTRY, "registry db directory", filename); + if(mkdir(registry.pathname, 0770) == -1 && errno != EEXIST) + fatal("Cannot create directory '%s'.", registry.pathname); + + // filenames + snprintfz(filename, FILENAME_MAX, "%s/netdata.public.unique.id", registry.pathname); + registry.machine_guid_filename = config_get(CONFIG_SECTION_REGISTRY, "netdata unique id file", filename); + + snprintfz(filename, FILENAME_MAX, "%s/registry.db", registry.pathname); + registry.db_filename = config_get(CONFIG_SECTION_REGISTRY, "registry db file", filename); + + snprintfz(filename, FILENAME_MAX, "%s/registry-log.db", registry.pathname); + registry.log_filename = config_get(CONFIG_SECTION_REGISTRY, "registry log file", filename); + + // configuration options + registry.save_registry_every_entries = (unsigned long long)config_get_number(CONFIG_SECTION_REGISTRY, "registry save db every new entries", 1000000); + registry.persons_expiration = config_get_number(CONFIG_SECTION_REGISTRY, "registry expire idle persons days", 365) * 86400; + registry.registry_domain = config_get(CONFIG_SECTION_REGISTRY, "registry domain", ""); + registry.registry_to_announce = config_get(CONFIG_SECTION_REGISTRY, "registry to announce", "https://registry.my-netdata.io"); + registry.hostname = config_get(CONFIG_SECTION_REGISTRY, "registry hostname", netdata_configured_hostname); + registry.verify_cookies_redirects = config_get_boolean(CONFIG_SECTION_REGISTRY, "verify browser cookies support", 1); + + // netdata.cloud configuration, if cloud_base_url == "", cloud functionality is disabled. + registry.cloud_base_url = config_get(CONFIG_SECTION_CLOUD, "cloud base url", "https://netdata.cloud"); + + setenv("NETDATA_REGISTRY_HOSTNAME", registry.hostname, 1); + setenv("NETDATA_REGISTRY_URL", registry.registry_to_announce, 1); + + registry.max_url_length = (size_t)config_get_number(CONFIG_SECTION_REGISTRY, "max URL length", 1024); + if(registry.max_url_length < 10) { + registry.max_url_length = 10; + config_set_number(CONFIG_SECTION_REGISTRY, "max URL length", (long long)registry.max_url_length); + } + + registry.max_name_length = (size_t)config_get_number(CONFIG_SECTION_REGISTRY, "max URL name length", 50); + if(registry.max_name_length < 10) { + registry.max_name_length = 10; + config_set_number(CONFIG_SECTION_REGISTRY, "max URL name length", (long long)registry.max_name_length); + } + + // initialize entries counters + registry.persons_count = 0; + registry.machines_count = 0; + registry.usages_count = 0; + registry.urls_count = 0; + registry.persons_urls_count = 0; + registry.machines_urls_count = 0; + + // initialize memory counters + registry.persons_memory = 0; + registry.machines_memory = 0; + registry.urls_memory = 0; + registry.persons_urls_memory = 0; + registry.machines_urls_memory = 0; + + // initialize locks + netdata_mutex_init(®istry.lock); + + // create dictionaries + registry.persons = dictionary_create(DICTIONARY_FLAGS); + registry.machines = dictionary_create(DICTIONARY_FLAGS); + avl_init(®istry.registry_urls_root_index, registry_url_compare); + + // load the registry database + if(registry.enabled) { + registry_log_open(); + registry_db_load(); + registry_log_load(); + + if(unlikely(registry_db_should_be_saved())) + registry_db_save(); + } + + return 0; +} + +void registry_free(void) { + if(!registry.enabled) return; + + // we need to destroy the dictionaries ourselves + // since the dictionaries use memory we allocated + + while(registry.persons->values_index.root) { + REGISTRY_PERSON *p = ((NAME_VALUE *)registry.persons->values_index.root)->value; + registry_person_del(p); + } + + while(registry.machines->values_index.root) { + REGISTRY_MACHINE *m = ((NAME_VALUE *)registry.machines->values_index.root)->value; + + // fprintf(stderr, "\nMACHINE: '%s', first: %u, last: %u, usages: %u\n", m->guid, m->first_t, m->last_t, m->usages); + + while(m->machine_urls->values_index.root) { + REGISTRY_MACHINE_URL *mu = ((NAME_VALUE *)m->machine_urls->values_index.root)->value; + + // fprintf(stderr, "\tURL: '%s', first: %u, last: %u, usages: %u, flags: 0x%02x\n", mu->url->url, mu->first_t, mu->last_t, mu->usages, mu->flags); + + //debug(D_REGISTRY, "Registry: destroying persons dictionary from url '%s'", mu->url->url); + //dictionary_destroy(mu->persons); + + debug(D_REGISTRY, "Registry: deleting url '%s' from person '%s'", mu->url->url, m->guid); + dictionary_del(m->machine_urls, mu->url->url); + + debug(D_REGISTRY, "Registry: unlinking url '%s' from machine", mu->url->url); + registry_url_unlink(mu->url); + + debug(D_REGISTRY, "Registry: freeing machine url"); + freez(mu); + } + + debug(D_REGISTRY, "Registry: deleting machine '%s' from machines registry", m->guid); + dictionary_del(registry.machines, m->guid); + + debug(D_REGISTRY, "Registry: destroying URL dictionary of machine '%s'", m->guid); + dictionary_destroy(m->machine_urls); + + debug(D_REGISTRY, "Registry: freeing machine '%s'", m->guid); + freez(m); + } + + // and free the memory of remaining dictionary structures + + debug(D_REGISTRY, "Registry: destroying persons dictionary"); + dictionary_destroy(registry.persons); + + debug(D_REGISTRY, "Registry: destroying machines dictionary"); + dictionary_destroy(registry.machines); +} + |