Add support for "external" port reservation and add ones for forgejo

src/main.rs

@@ -9,9 +9,6 @@ use anyhow::{anyhow, Result};
 mod parsing;
 use parsing::*;
 
-// TODO: add support for (builtin?) "external" port reservations
-// -> bespin, 80+443 pour forgejo
-
 // parses a diplonat port parameter: ({tcp,udp}_port XX YY...)
 // matches `DiplonatParameter` in diplonat (`src/consul_actor.rs`)
 #[derive(Deserialize, Debug)]
@@ -40,22 +37,30 @@ struct Ctx {
 enum Port { Udp(u16), Tcp(u16) }
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
-struct PortRegistration {
-    file: PathBuf,
-    job: String,
-    group: String,
-    task: String,
-    service: Option<String>,
+enum PortRegistration {
+    Config {
+        file: PathBuf,
+        job: String,
+        group: String,
+        task: String,
+        service: Option<String>
+    },
+    Builtin(String),
 }
 
 impl fmt::Display for PortRegistration {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "in {}, job \"{}\", group \"{}\", task \"{}\", service \"{}\"",
-               self.file.display(), self.job, self.group, self.task,
-               match &self.service {
-                   None => "<noname>",
-                   Some(s) => s
-               })
+        match self {
+            PortRegistration::Config { file, job, group, task, service } =>
+                write!(f, "in {}, job \"{}\", group \"{}\", task \"{}\", service \"{}\"",
+                       file.display(), job, group, task,
+                       match &service {
+                           None => "<noname>",
+                           Some(s) => s
+                       }),
+            PortRegistration::Builtin(reason) =>
+                write!(f, "{}", reason),
+        }
     }
 }
 
@@ -83,7 +88,7 @@ impl Ctx {
                                 self.add_diplonat_tag(
                                     conf,
                                     &job.datacenters,
-                                    PortRegistration {
+                                    PortRegistration::Config {
                                         file: PathBuf::from(file),
                                         job: jobname.clone(),
                                         group: groupname.clone(),
@@ -139,6 +144,13 @@ fn main() -> Result<ExitCode> {
     }
 
     let mut ctx = Ctx::new();
+
+    // port registrations managed externally and not described in .hcl files
+    ctx.ports.insert((String::from("bespin"), Port::Tcp(80)),
+                     vec![PortRegistration::Builtin(String::from("forjego"))]);
+    ctx.ports.insert((String::from("bespin"), Port::Tcp(443)),
+                     vec![PortRegistration::Builtin(String::from("forjego"))]);
+
     for file in &args[1..] {
         ctx.add_file(Path::new(file))?
     }