Adding upstream version 1.37.1.upstream/1.37.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 147 insertions, 0 deletions

diff --git a/registry/registry_init.c b/registry/registry_init.c
new file mode 100644
index 0000000..ba4250e
--- /dev/null
+++ b/registry/registry_init.c
@@ -0,0 +1,147 @@
+// 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_DIRECTORIES, "registry", 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);
+    registry.enable_cookies_samesite_secure = config_get_boolean(CONFIG_SECTION_REGISTRY, "enable cookies SameSite and Secure", 1);
+
+    registry_update_cloud_base_url();
+    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(&registry.lock);
+
+    // create dictionaries
+    registry.persons = dictionary_create(REGISTRY_DICTIONARY_OPTIONS);
+    registry.machines = dictionary_create(REGISTRY_DICTIONARY_OPTIONS);
+    avl_init(&registry.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;
+}
+
+static int machine_urls_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *entry, void *data) {
+    REGISTRY_MACHINE *m = (REGISTRY_MACHINE *)data;
+    (void)m;
+
+    REGISTRY_MACHINE_URL *mu = (REGISTRY_MACHINE_URL *)entry;
+
+    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);
+
+    return 1;
+}
+
+static int machine_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *entry, void *data __maybe_unused) {
+    REGISTRY_MACHINE *m = (REGISTRY_MACHINE *)entry;
+    int ret = dictionary_walkthrough_read(m->machine_urls, machine_urls_delete_callback, m);
+
+    dictionary_destroy(m->machine_urls);
+    freez(m);
+
+    return ret + 1;
+}
+static int registry_person_del_callback(const DICTIONARY_ITEM *item __maybe_unused, void *entry, void *d __maybe_unused) {
+    REGISTRY_PERSON *p = (REGISTRY_PERSON *)entry;
+
+    debug(D_REGISTRY, "Registry: registry_person_del('%s'): deleting person", p->guid);
+
+    while(p->person_urls.root)
+        registry_person_unlink_from_url(p, (REGISTRY_PERSON_URL *)p->person_urls.root);
+
+    //debug(D_REGISTRY, "Registry: deleting person '%s' from persons registry", p->guid);
+    //dictionary_del(registry.persons, p->guid);
+
+    debug(D_REGISTRY, "Registry: freeing person '%s'", p->guid);
+    freez(p);
+
+    return 1;
+}
+
+void registry_free(void) {
+    if(!registry.enabled) return;
+
+    debug(D_REGISTRY, "Registry: destroying persons dictionary");
+    dictionary_walkthrough_read(registry.persons, registry_person_del_callback, NULL);
+    dictionary_destroy(registry.persons);
+
+    debug(D_REGISTRY, "Registry: destroying machines dictionary");
+    dictionary_walkthrough_read(registry.machines, machine_delete_callback, NULL);
+    dictionary_destroy(registry.machines);
+}