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The following commit(s) were added to refs/heads/main by this push:
new bdd4228d3 refactor(service/postgresql): Add PostgresqlConfig to
implement ConfigDeserializer (#3495)
bdd4228d3 is described below
commit bdd4228d3e50ecf80eed1381c22fcbfc797695d0
Author: 蛋疼的蛋蛋 <[email protected]>
AuthorDate: Tue Nov 7 10:43:53 2023 +0800
refactor(service/postgresql): Add PostgresqlConfig to implement
ConfigDeserializer (#3495)
* add PostgresqlConfig, Implement ConfigDeserializer
* avoid print connection_string, add PostgresqlConfig mod at services/mod.rs
* add cfg feature
---
core/src/services/mod.rs | 2 +
core/src/services/postgresql/backend.rs | 85 ++++++++++++++++++++++-----------
core/src/services/postgresql/mod.rs | 1 +
3 files changed, 60 insertions(+), 28 deletions(-)
diff --git a/core/src/services/mod.rs b/core/src/services/mod.rs
index cb84289a3..4a3dbbf5b 100644
--- a/core/src/services/mod.rs
+++ b/core/src/services/mod.rs
@@ -215,6 +215,8 @@ pub use self::foundationdb::Foundationdb;
mod postgresql;
#[cfg(feature = "services-postgresql")]
pub use self::postgresql::Postgresql;
+#[cfg(feature = "services-postgresql")]
+pub use self::postgresql::PostgresqlConfig;
#[cfg(feature = "services-atomicserver")]
mod atomicserver;
diff --git a/core/src/services/postgresql/backend.rs
b/core/src/services/postgresql/backend.rs
index ac7b82a5a..7e3aafd01 100644
--- a/core/src/services/postgresql/backend.rs
+++ b/core/src/services/postgresql/backend.rs
@@ -24,6 +24,7 @@ use std::sync::Arc;
use async_trait::async_trait;
use bb8::Pool;
use bb8_postgres::PostgresConnectionManager;
+use serde::Deserialize;
use tokio::sync::OnceCell;
use tokio_postgres::Config;
@@ -31,23 +32,56 @@ use crate::raw::adapters::kv;
use crate::raw::*;
use crate::*;
-/// [Postgresql](https://www.postgresql.org/) services support.
-#[doc = include_str!("docs.md")]
-#[derive(Default)]
-pub struct PostgresqlBuilder {
+/// Config for PostGresQL services support.
+#[derive(Default, Deserialize)]
+#[serde(default)]
+#[non_exhaustive]
+pub struct PostgresqlConfig {
+ /// root of this backend.
+ ///
+ /// All operations will happen under this root.
+ ///
+ /// default to `/` if not set.
+ pub root: Option<String>,
+ /// the connection string of postgres server
connection_string: Option<String>,
-
+ /// the table of postgresql
table: Option<String>,
+ /// the key field of postgresql
key_field: Option<String>,
+ /// the value field of postgresql
value_field: Option<String>,
- root: Option<String>,
+}
+
+impl Debug for PostgresqlConfig {
+ fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+ let mut d = f.debug_struct("PostgresqlConfig");
+
+ if self.connection_string.is_some() {
+ d.field("connection_string", &"<redacted>");
+ }
+
+ d.field("root", &self.root)
+ .field("table", &self.table)
+ .field("key_field", &self.key_field)
+ .field("value_field", &self.value_field)
+ .finish()
+ }
+}
+
+/// [Postgresql](https://www.postgresql.org/) services support.
+#[doc = include_str!("docs.md")]
+#[derive(Default)]
+pub struct PostgresqlBuilder {
+ config: PostgresqlConfig,
}
impl Debug for PostgresqlBuilder {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
- let mut ds = f.debug_struct("Builder");
- ds.field("table", &self.table);
- ds.finish()
+ let mut d = f.debug_struct("PostgresqlBuilder");
+
+ d.field("config", &self.config);
+ d.finish()
}
}
@@ -84,7 +118,7 @@ impl PostgresqlBuilder {
/// For more information, please visit
<https://docs.rs/postgres/latest/postgres/config/struct.Config.html>
pub fn connection_string(&mut self, v: &str) -> &mut Self {
if !v.is_empty() {
- self.connection_string = Some(v.to_string());
+ self.config.connection_string = Some(v.to_string());
}
self
}
@@ -94,7 +128,7 @@ impl PostgresqlBuilder {
/// default: "/"
pub fn root(&mut self, root: &str) -> &mut Self {
if !root.is_empty() {
- self.root = Some(root.to_owned());
+ self.config.root = Some(root.to_owned());
}
self
}
@@ -102,7 +136,7 @@ impl PostgresqlBuilder {
/// Set the table name of the postgresql service to read/write.
pub fn table(&mut self, table: &str) -> &mut Self {
if !table.is_empty() {
- self.table = Some(table.to_string());
+ self.config.table = Some(table.to_string());
}
self
}
@@ -112,7 +146,7 @@ impl PostgresqlBuilder {
/// Default to `key` if not specified.
pub fn key_field(&mut self, key_field: &str) -> &mut Self {
if !key_field.is_empty() {
- self.key_field = Some(key_field.to_string());
+ self.config.key_field = Some(key_field.to_string());
}
self
}
@@ -122,7 +156,7 @@ impl PostgresqlBuilder {
/// Default to `value` if not specified.
pub fn value_field(&mut self, value_field: &str) -> &mut Self {
if !value_field.is_empty() {
- self.value_field = Some(value_field.to_string());
+ self.config.value_field = Some(value_field.to_string());
}
self
}
@@ -133,20 +167,14 @@ impl Builder for PostgresqlBuilder {
type Accessor = PostgresqlBackend;
fn from_map(map: HashMap<String, String>) -> Self {
- let mut builder = PostgresqlBuilder::default();
-
- map.get("connection_string")
- .map(|v| builder.connection_string(v));
- map.get("table").map(|v| builder.table(v));
- map.get("key_field").map(|v| builder.key_field(v));
- map.get("value_field").map(|v| builder.value_field(v));
- map.get("root").map(|v| builder.root(v));
+ let config =
PostgresqlConfig::deserialize(ConfigDeserializer::new(map))
+ .expect("config deserialize must succeed");
- builder
+ PostgresqlBuilder { config }
}
fn build(&mut self) -> Result<Self::Accessor> {
- let conn = match self.connection_string.clone() {
+ let conn = match self.config.connection_string.clone() {
Some(v) => v,
None => {
return Err(
@@ -162,23 +190,24 @@ impl Builder for PostgresqlBuilder {
.set_source(err)
})?;
- let table = match self.table.clone() {
+ let table = match self.config.table.clone() {
Some(v) => v,
None => {
return Err(Error::new(ErrorKind::ConfigInvalid, "table is
empty")
.with_context("service", Scheme::Postgresql))
}
};
- let key_field = match self.key_field.clone() {
+ let key_field = match self.config.key_field.clone() {
Some(v) => v,
None => "key".to_string(),
};
- let value_field = match self.value_field.clone() {
+ let value_field = match self.config.value_field.clone() {
Some(v) => v,
None => "value".to_string(),
};
let root = normalize_root(
- self.root
+ self.config
+ .root
.clone()
.unwrap_or_else(|| "/".to_string())
.as_str(),
diff --git a/core/src/services/postgresql/mod.rs
b/core/src/services/postgresql/mod.rs
index 427152a7e..ca185a4ec 100644
--- a/core/src/services/postgresql/mod.rs
+++ b/core/src/services/postgresql/mod.rs
@@ -17,3 +17,4 @@
mod backend;
pub use backend::PostgresqlBuilder as Postgresql;
+pub use backend::PostgresqlConfig;