diff options
author | Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com> | 2024-02-11 21:30:35 +0200 |
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committer | GitHub <noreply@github.com> | 2024-02-11 21:30:35 +0200 |
commit | 128ba9501d5ef3664a4b93930c315792472bdd73 (patch) | |
tree | 4ccea980a7b65ff21522c3fbd8957d9478de0d81 /src | |
parent | ef48d380a1674ccbeb2785eda7d6d93aa72b9f4f (diff) |
Detect machine GUID change (#16979)
Detect machine guid change
Diffstat (limited to 'src')
-rw-r--r-- | src/database/rrdhost.c | 2 | ||||
-rw-r--r-- | src/database/sqlite/sqlite_metadata.c | 12 | ||||
-rw-r--r-- | src/database/sqlite/sqlite_metadata.h | 2 |
3 files changed, 6 insertions, 10 deletions
diff --git a/src/database/rrdhost.c b/src/database/rrdhost.c index 7a5558e360..2699ca8f34 100644 --- a/src/database/rrdhost.c +++ b/src/database/rrdhost.c @@ -1107,7 +1107,7 @@ int rrd_init(char *hostname, struct rrdhost_system_info *system_info, bool unitt rrdhost_function_progress); if (likely(system_info)) { - migrate_localhost(&localhost->host_uuid); + detect_machine_guid_change(&localhost->host_uuid); sql_aclk_sync_init(); web_client_api_v1_management_init(); } diff --git a/src/database/sqlite/sqlite_metadata.c b/src/database/sqlite/sqlite_metadata.c index 82fd2b22b4..d074e06d79 100644 --- a/src/database/sqlite/sqlite_metadata.c +++ b/src/database/sqlite/sqlite_metadata.c @@ -51,9 +51,7 @@ "INSERT OR REPLACE INTO host_info (host_id, system_key, system_value, date_created) VALUES " \ "(@uuid, @name, @value, UNIXEPOCH())" -#define MIGRATE_LOCALHOST_TO_NEW_MACHINE_GUID \ - "UPDATE chart SET host_id = @host_id WHERE host_id in (SELECT host_id FROM host where host_id <> @host_id and hops = 0)" -#define DELETE_NON_EXISTING_LOCALHOST "DELETE FROM host WHERE hops = 0 AND host_id <> @host_id" +#define CONVERT_EXISTING_LOCALHOST "UPDATE host SET hops = 1 WHERE hops = 0 AND host_id <> @host_id" #define DELETE_MISSING_NODE_INSTANCES "DELETE FROM node_instance WHERE host_id NOT IN (SELECT host_id FROM host)" #define METADATA_MAINTENANCE_FIRST_CHECK (1800) // Maintenance first run after agent startup in seconds @@ -231,14 +229,12 @@ static int check_and_update_chart_labels(RRDSET *st, BUFFER *work_buffer, size_t return rc; } -// Migrate all hosts with hops zero to this host_uuid -void migrate_localhost(uuid_t *host_uuid) +// If the machine guid has changed, then existing one with hops 0 will be marked as hops 1 (child) +void detect_machine_guid_change(uuid_t *host_uuid) { int rc; - rc = exec_statement_with_uuid(MIGRATE_LOCALHOST_TO_NEW_MACHINE_GUID, host_uuid); - if (!rc) - rc = exec_statement_with_uuid(DELETE_NON_EXISTING_LOCALHOST, host_uuid); + rc = exec_statement_with_uuid(CONVERT_EXISTING_LOCALHOST, host_uuid); if (!rc) { if (unlikely(db_execute(db_meta, DELETE_MISSING_NODE_INSTANCES))) error_report("Failed to remove deleted hosts from node instances"); diff --git a/src/database/sqlite/sqlite_metadata.h b/src/database/sqlite/sqlite_metadata.h index 6860cfedf8..8441a51b39 100644 --- a/src/database/sqlite/sqlite_metadata.h +++ b/src/database/sqlite/sqlite_metadata.h @@ -15,7 +15,7 @@ void metaqueue_delete_dimension_uuid(uuid_t *uuid); void metaqueue_store_claim_id(uuid_t *host_uuid, uuid_t *claim_uuid); void metaqueue_host_update_info(RRDHOST *host); void metaqueue_ml_load_models(RRDDIM *rd); -void migrate_localhost(uuid_t *host_uuid); +void detect_machine_guid_change(uuid_t *host_uuid); void metadata_queue_load_host_context(RRDHOST *host); void metadata_delete_host_chart_labels(char *machine_guid); void vacuum_database(sqlite3 *database, const char *db_alias, int threshold, int vacuum_pc); |