appmgr: write nginx conf when writing tor conf (#177)

* appmgr: write nginx conf when writing tor conf

* appmgr: fix hardcoded certs

* appmgr: add down for 0.2.9

appmgr/src/version/v0_2_9.rs

@@ -0,0 +1,58 @@
+use std::os::unix::process::ExitStatusExt;
+
+use super::*;
+
+const V0_2_9: emver::Version = emver::Version::new(0, 2, 9, 0);
+
+pub struct Version;
+#[async_trait]
+impl VersionT for Version {
+    type Previous = v0_2_8::Version;
+    fn new() -> Self {
+        Version
+    }
+    fn semver(&self) -> &'static emver::Version {
+        &V0_2_9
+    }
+    async fn up(&self) -> Result<(), Error> {
+        crate::tor::write_lan_services(
+            &crate::tor::services_map(&PersistencePath::from_ref(crate::SERVICES_YAML)).await?,
+        )
+        .await?;
+        tokio::fs::os::unix::symlink(
+            crate::tor::ETC_NGINX_SERVICES_CONF,
+            "/etc/nginx/sites-enabled/start9-services.conf",
+        )
+        .await?;
+        let svc_exit = std::process::Command::new("service")
+            .args(&["nginx", "reload"])
+            .status()?;
+        crate::ensure_code!(
+            svc_exit.success(),
+            crate::error::GENERAL_ERROR,
+            "Failed to Reload Nginx: {}",
+            svc_exit
+                .code()
+                .or_else(|| { svc_exit.signal().map(|a| 128 + a) })
+                .unwrap_or(0)
+        );
+        Ok(())
+    }
+    async fn down(&self) -> Result<(), Error> {
+        tokio::fs::remove_file("/etc/nginx/sites-enabled/start9-services.conf").await?;
+        tokio::fs::remove_file(crate::tor::ETC_NGINX_SERVICES_CONF).await?;
+        let svc_exit = std::process::Command::new("service")
+            .args(&["nginx", "reload"])
+            .status()?;
+        crate::ensure_code!(
+            svc_exit.success(),
+            crate::error::GENERAL_ERROR,
+            "Failed to Reload Nginx: {}",
+            svc_exit
+                .code()
+                .or_else(|| { svc_exit.signal().map(|a| 128 + a) })
+                .unwrap_or(0)
+        );
+        Ok(())
+    }
+}