feat: Add more logging for all-in-one mode to make it clearer what components are used

clap_blocks/src/catalog_dsn.rs

@@ -1,6 +1,7 @@
 use iox_catalog::{
     create_or_get_default_records, interface::Catalog, mem::MemCatalog, postgres::PostgresCatalog,
 };
+use observability_deps::tracing::*;
 use snafu::{OptionExt, ResultExt, Snafu};
 use std::{ops::DerefMut, sync::Arc};
 
@@ -58,6 +59,8 @@ impl CatalogDsnConfig {
     /// Create a new memory instance for all-in-one mode if a catalog DSN is not specified, setting
     /// the default for arguments that are irrelevant
     pub fn new_memory() -> Self {
+        info!("Catalog: In-memory");
+
         Self {
             catalog_type_: CatalogType::Memory,
             dsn: None,
@@ -72,6 +75,8 @@ impl CatalogDsnConfig {
         max_catalog_connections: u32,
         postgres_schema_name: String,
     ) -> Self {
+        info!("Catalog: Postgres at `{}`", dsn);
+
         Self {
             catalog_type_: CatalogType::Postgres,
             dsn: Some(dsn),

clap_blocks/src/object_store.rs

@@ -187,6 +187,11 @@ Possible values (case insensitive):
 impl ObjectStoreConfig {
     /// Create a new instance for all-in-one mode, only allowing some arguments.
     pub fn new(database_directory: Option<PathBuf>) -> Self {
+        match &database_directory {
+            Some(dir) => info!("Object store: File-based in `{}`", dir.display()),
+            None => info!("Object store: In-memory"),
+        }
+
         let object_store = database_directory.as_ref().map(|_| ObjectStoreType::File);
 
         Self {

clap_blocks/src/write_buffer.rs

@@ -1,5 +1,6 @@
 use data_types::write_buffer::{WriteBufferConnection, WriteBufferCreationConfig};
 use iox_time::SystemProvider;
+use observability_deps::tracing::*;
 use std::{collections::BTreeMap, num::NonZeroU32, path::PathBuf, sync::Arc};
 use tempfile::TempDir;
 use trace::TraceCollector;
@@ -66,6 +67,8 @@ impl WriteBufferConfig {
                     .to_string()
             });
 
+        info!("Write buffer: File-based in `{}`", connection_string);
+
         Self {
             type_: "file".to_string(),
             connection_string,