Add pganalyze app to temo-stacks crate (#544)

Signed-off-by: Ian Stanton <ian@tembo.io>

tembo-stacks/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "tembo-stacks"
 description = "Tembo Stacks for Postgres"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["tembo.io"]
 edition = "2021"
 license = "Apache-2.0"

tembo-stacks/src/apps/app.rs

@@ -19,6 +19,8 @@ lazy_static! {
         serde_yaml::from_str(include_str!("mq.yaml")).expect("mq.yaml not found");
     pub static ref EMBEDDINGS: App =
         serde_yaml::from_str(include_str!("embeddings.yaml")).expect("embeddings.yaml not found");
+    pub static ref PGANALYZE: App =
+        serde_yaml::from_str(include_str!("pganalyze.yaml")).expect("pganalyze.yaml not found");
 }
 
 // handling merging requirements coming from an App into the final
@@ -93,6 +95,18 @@ pub fn merge_app_reqs(
                         final_pg_configs.extend(pg_cfg);
                     }
                 }
+                AppType::PgAnalyze(config) => {
+                    // There is only 1 app_service in the pganalyze app
+                    let pg_analyze = PGANALYZE.clone();
+                    let mut pg_analyze_app_svc = pg_analyze.app_services.unwrap()[0].clone();
+                    // If there are user provided configs, overwrite the defaults with them
+                    if let Some(cfg) = config {
+                        pg_analyze_app_svc = merge_app_configs(pg_analyze_app_svc, cfg);
+                    }
+                    user_app_services.push(pg_analyze_app_svc);
+                    // pganalyze only has app_service containers
+                    // no extensions or trunk installs
+                }
                 AppType::Custom(custom_app) => {
                     user_app_services.push(custom_app);
                 }

tembo-stacks/src/apps/types.rs

@@ -35,6 +35,8 @@ pub enum AppType {
     MQ(Option<AppConfig>),
     #[serde(rename = "embeddings")]
     Embeddings(Option<AppConfig>),
+    #[serde(rename = "pganalyze")]
+    PgAnalyze(Option<AppConfig>),
     #[serde(rename = "custom")]
     Custom(AppService),
 }
@@ -67,6 +69,7 @@ impl TryFrom<AppService> for AppType {
             "http" => Ok(AppType::HTTP(app_config)),
             "mq-api" => Ok(AppType::MQ(app_config)),
             "embeddings" => Ok(AppType::Embeddings(app_config)),
+            "pganalyze" => Ok(AppType::PgAnalyze(app_config)),
             _ => {
                 // everything else is a custom app
                 Ok(AppType::Custom(app_service))