Use argocd appset generate to generate the Applications (#87)

* Exit program if getting manifests for an application fails

* Generate Apps from AppSets

* Fixed not being able to generate app sets

* Moved all temporary generated files into its own folder

* Update Cargo version to 0.0.29

* Keep temp folder after program exits

.gitignore

@@ -5,8 +5,7 @@ secrets/
 output/
 .vscode/
 /values.yaml
-/apps_target_branch.yaml
-/apps_base_branch.yaml
 venv/
 base-branch/
-target-branch/
+target-branch/
+temp/

Cargo.toml

@@ -1,14 +1,14 @@
 [package]
 name = "argocd-diff-preview"
-version = "0.0.28"
+version = "0.0.29"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 tokio = {version="1.42.0",features = ["full"]}
 base64 = "0.22.1"
-serde = "1.0.216"
+serde = "1.0.217"
 serde_yaml = "0.9.33"
 serde_json = "1.0.134"
 walkdir = "2.5.0"
@@ -17,4 +17,5 @@ structopt = { version = "0.3" }
 regex = "1.11.1"
 log = "0.4.22"
 env_logger = "0.11.6"
-once_cell = "1.20.2"
+once_cell = "1.20.2"
+rand = "0.8.5"

src/argocd.rs

@@ -8,7 +8,7 @@ use serde_yaml::Value;
 use std::error::Error;
 
 pub struct ArgoCDInstallation {
-    namespace: String,
+    pub namespace: String,
     version: Option<String>,
     config_path: String,
 }
@@ -222,4 +222,8 @@ impl ArgoCDInstallation {
     pub fn refresh_app(&self, app_name: &str) -> Result<CommandOutput, CommandOutput> {
         self.run_argocd_command(&format!("argocd app get {} --refresh", app_name))
     }
+
+    pub fn appset_generate(&self, app_set_path: &str) -> Result<CommandOutput, CommandOutput> {
+        self.run_argocd_command(&format!("argocd appset generate {} -o yaml", app_set_path))
+    }
 }

src/extract.rs

@@ -36,12 +36,17 @@ pub async fn get_resources(
     branch: &Branch,
     timeout: u64,
     output_folder: &str,
+    input_folder: &str,
 ) -> Result<(), Box<dyn Error>> {
     info!("🌚 Getting resources from {}-branch", branch.branch_type);
 
-    let app_file = branch.app_file();
+    let app_file = &format!("{}/{}", input_folder, branch.app_file());
 
-    if fs::metadata(app_file)?.len() != 0 {
+    if fs::metadata(app_file)
+        .inspect_err(|_| error!("❌ File does not exist: {}", app_file))?
+        .len()
+        != 0
+    {
         apply_manifest(app_file).map_err(|e| {
             error!(
                 "❌ Failed to apply applications for branch: {}",
@@ -90,11 +95,14 @@ pub async fn get_resources(
                     match argocd.get_manifests(name) {
                         Ok(o) => {
                             write_to_file(&format!("{}/{}", destination_folder, name), &o.stdout)?;
-                            debug!("Got manifests for application: {}", name)
+                            debug!("Got manifests for application: {}", name);
+                            processed_apps.insert(name.to_string().clone());
+                        }
+                        Err(e) => {
+                            error!("❌ Failed to get manifests for application: {}", name);
+                            failed_apps.insert(name.to_string().clone(), e.stderr);
                         }
-                        Err(e) => error!("error: {}", e.stderr),
                     }
-                    processed_apps.insert(name.to_string().clone());
                     continue;
                 }
                 Some("Unknown") => {