refactor: rename tedge_config_cli -> tedge_toml to go with system_toml

Signed-off-by: James Rhodes <jarhodes314@gmail.com>

Author: jarhodes314

crates/common/tedge_config/src/lib.rs

@@ -1,16 +1,14 @@
-pub mod mqtt_config;
 mod sudo;
-pub mod tedge_config_cli;
+pub mod tedge_toml;
 pub use sudo::SudoCommandBuilder;
 pub mod cli;
 mod system_toml;
 
 pub use self::system_toml::*;
-pub use self::tedge_config_cli::config_setting::*;
-pub use self::tedge_config_cli::error::*;
-pub use self::tedge_config_cli::models::*;
-pub use self::tedge_config_cli::tedge_config::*;
-pub use self::tedge_config_cli::tedge_config_location::*;
+pub use self::tedge_toml::error::*;
+pub use self::tedge_toml::models::*;
+pub use self::tedge_toml::tedge_config::*;
+pub use self::tedge_toml::tedge_config_location::*;
 pub use camino::Utf8Path as Path;
 pub use camino::Utf8PathBuf as PathBuf;
 pub use certificate::CertificateError;

crates/common/tedge_config/src/mqtt_config.rs

@@ -13,7 +13,7 @@ pub enum TEdgeConfigError {
     FromConfigSetting(#[from] crate::ConfigSettingError),
 
     #[error(transparent)]
-    FromInvalidConfigUrl(#[from] crate::tedge_config_cli::models::InvalidConnectUrl),
+    FromInvalidConfigUrl(#[from] crate::tedge_toml::models::InvalidConnectUrl),
 
     #[error("Config file not found: {0}")]
     ConfigFileNotFound(std::path::PathBuf),
@@ -31,12 +31,48 @@ pub enum TEdgeConfigError {
     DirNotFound(#[from] tedge_utils::paths::PathsError),
 
     #[error(transparent)]
-    FromParseHostPortError(#[from] crate::tedge_config_cli::models::host_port::ParseHostPortError),
+    FromParseHostPortError(#[from] crate::tedge_toml::models::host_port::ParseHostPortError),
 
     #[error(transparent)]
     FromAtomFileError(#[from] tedge_utils::fs::AtomFileError),
 }
 
+pub type ConfigSettingResult<T> = Result<T, ConfigSettingError>;
+
+#[derive(thiserror::Error, Debug)]
+/// An error encountered while updating a value in tedge.toml
+pub enum ConfigSettingError {
+    #[error(
+        r#"A value for `{key}` is missing.
+    A value can be set with `tedge config set {key} <value>`"#
+    )]
+    ConfigNotSet { key: &'static str },
+
+    #[error("Readonly setting: {message}")]
+    ReadonlySetting { message: &'static str },
+
+    #[error("Conversion from String failed")]
+    ConversionFromStringFailed,
+
+    #[error("Conversion into String failed")]
+    ConversionIntoStringFailed,
+
+    #[error("Derivation for `{key}` failed: {cause}")]
+    DerivationFailed { key: &'static str, cause: String },
+
+    #[error("Config value {key}, cannot be configured: {message} ")]
+    SettingIsNotConfigurable {
+        key: &'static str,
+        message: &'static str,
+    },
+
+    #[error("An error occurred: {msg}")]
+    Other { msg: &'static str },
+
+    #[error(transparent)]
+    Write(#[from] crate::WriteError),
+}
+
 impl TEdgeConfigError {
     pub fn multiple_errors(mut errors: Vec<Self>) -> Self {
         match errors.len() {

crates/common/tedge_config/src/tedge_config_cli/config_setting.rs

@@ -1,7 +1,5 @@
-pub mod config_setting;
 pub mod error;
-pub mod tedge_config_location;
-
 mod figment;
 pub mod models;
 pub mod tedge_config;
+pub mod tedge_config_location;