[pve-devel] [PATCH installer v2 05/17] common: split out installer setup files loading functionality

[Christoph Heiss <c.heiss@proxmox.com>]

This allows re-using this piece of code in e.g. the post hook, instead
of having to open-code it there.

No functional changes.

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Changes v1 -> v2:
  * change `&PathBuf` parameter to `impl AsRef<Path>`
---
 proxmox-auto-installer/tests/parse-answer.rs | 40 +++++---------------
 proxmox-installer-common/src/setup.rs        | 13 +++++--
 2 files changed, 19 insertions(+), 34 deletions(-)

diff --git a/proxmox-auto-installer/tests/parse-answer.rs b/proxmox-auto-installer/tests/parse-answer.rs
index 4014b6d..450915a 100644
--- a/proxmox-auto-installer/tests/parse-answer.rs
+++ b/proxmox-auto-installer/tests/parse-answer.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 use serde_json::Value;
 use std::fs;
@@ -8,13 +8,16 @@ use proxmox_auto_installer::answer::Answer;
 use proxmox_auto_installer::udevinfo::UdevInfo;
 use proxmox_auto_installer::utils::parse_answer;
 
-use proxmox_installer_common::setup::{read_json, LocaleInfo, RuntimeInfo, SetupInfo};
+use proxmox_installer_common::setup::{
+    load_installer_setup_files, read_json, LocaleInfo, RuntimeInfo, SetupInfo,
+};
 
 fn get_test_resource_path() -> Result<PathBuf, String> {
     Ok(std::env::current_dir()
         .expect("current dir failed")
         .join("tests/resources"))
 }
+
 fn get_answer(path: PathBuf) -> Result<Answer, String> {
     let answer_raw = std::fs::read_to_string(path).unwrap();
     let answer: answer::Answer = toml::from_str(&answer_raw)
@@ -24,46 +27,23 @@ fn get_answer(path: PathBuf) -> Result<Answer, String> {
     Ok(answer)
 }
 
-fn setup_test_basic(path: &PathBuf) -> (SetupInfo, LocaleInfo, RuntimeInfo, UdevInfo) {
-    let installer_info: SetupInfo = {
-        let mut path = path.clone();
-        path.push("iso-info.json");
-
-        read_json(&path)
-            .map_err(|err| format!("Failed to retrieve setup info: {err}"))
-            .unwrap()
-    };
-
-    let locale_info = {
-        let mut path = path.clone();
-        path.push("locales.json");
-
-        read_json(&path)
-            .map_err(|err| format!("Failed to retrieve locale info: {err}"))
-            .unwrap()
-    };
-
-    let mut runtime_info: RuntimeInfo = {
-        let mut path = path.clone();
-        path.push("run-env-info.json");
-
-        read_json(&path)
-            .map_err(|err| format!("Failed to retrieve runtime environment info: {err}"))
-            .unwrap()
-    };
+pub fn setup_test_basic(path: &Path) -> (SetupInfo, LocaleInfo, RuntimeInfo, UdevInfo) {
+    let (installer_info, locale_info, mut runtime_info) = load_installer_setup_files(path).unwrap();
 
     let udev_info: UdevInfo = {
-        let mut path = path.clone();
+        let mut path = path.to_path_buf();
         path.push("run-env-udev.json");
 
         read_json(&path)
             .map_err(|err| format!("Failed to retrieve udev info details: {err}"))
             .unwrap()
     };
+
     runtime_info.disks.sort();
     if runtime_info.disks.is_empty() {
         panic!("disk list is empty!");
     }
+
     (installer_info, locale_info, runtime_info, udev_info)
 }
 
diff --git a/proxmox-installer-common/src/setup.rs b/proxmox-installer-common/src/setup.rs
index c0d701e..ee3d0c9 100644
--- a/proxmox-installer-common/src/setup.rs
+++ b/proxmox-installer-common/src/setup.rs
@@ -163,24 +163,29 @@ pub fn installer_setup(in_test_mode: bool) -> Result<(SetupInfo, LocaleInfo, Run
     } else {
         crate::RUNTIME_DIR.to_owned()
     };
-    let path = PathBuf::from(base_path);
 
+    load_installer_setup_files(base_path)
+}
+
+pub fn load_installer_setup_files(
+    base_path: impl AsRef<Path>,
+) -> Result<(SetupInfo, LocaleInfo, RuntimeInfo), String> {
     let installer_info: SetupInfo = {
-        let mut path = path.clone();
+        let mut path = base_path.as_ref().to_path_buf();
         path.push("iso-info.json");
 
         read_json(&path).map_err(|err| format!("Failed to retrieve setup info: {err}"))?
     };
 
     let locale_info = {
-        let mut path = path.clone();
+        let mut path = base_path.as_ref().to_path_buf();
         path.push("locales.json");
 
         read_json(&path).map_err(|err| format!("Failed to retrieve locale info: {err}"))?
     };
 
     let mut runtime_info: RuntimeInfo = {
-        let mut path = path.clone();
+        let mut path = base_path.as_ref().to_path_buf();
         path.push("run-env-info.json");
 
         read_json(&path)
-- 
2.45.1



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