[libeufin] branch master updated: load port from config file

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dold pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new 4b9a85ae load port from config file
4b9a85ae is described below

commit 4b9a85aeb7cc1d5f279304ea57b558ae7ba3366e
Author: Florian Dold <florian@dold.me>
AuthorDate: Fri Sep 22 18:20:06 2023 +0200

    load port from config file
---
 bank/src/main/kotlin/tech/libeufin/bank/Main.kt |  9 ++++++++-
 contrib/libeufin-bank.sample.conf               | 13 +++++++++++++
 util/src/main/kotlin/TalerConfig.kt             |  8 ++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/bank/src/main/kotlin/tech/libeufin/bank/Main.kt 
b/bank/src/main/kotlin/tech/libeufin/bank/Main.kt
index ac3ef199..e6d90efa 100644
--- a/bank/src/main/kotlin/tech/libeufin/bank/Main.kt
+++ b/bank/src/main/kotlin/tech/libeufin/bank/Main.kt
@@ -420,10 +420,17 @@ class ServeBank : CliktCommand("Run libeufin-bank HTTP 
server", name = "serve")
         val ctx = readBankApplicationContextFromConfig(config)
         val dbConnStr = config.requireValueString("libeufin-bank-db-postgres", 
"config")
         logger.info("using database '$dbConnStr'")
+        val serveMethod = config.requireValueString("libeufin-bank", "serve")
+        if (serveMethod.lowercase() != "tcp") {
+            logger.info("Can only serve libeufin-bank via TCP")
+            exitProcess(1)
+        }
+        val servePortLong = config.requireValueNumber("libeufin-bank", "port")
+        val servePort = servePortLong.toInt()
         val db = Database(dbConnStr, ctx.currency)
         if (!maybeCreateAdminAccount(db, ctx)) // logs provided by the helper
             exitProcess(1)
-        embeddedServer(Netty, port = 8080) {
+        embeddedServer(Netty, port = servePort) {
             corebankWebApp(db, ctx)
         }.start(wait = true)
     }
diff --git a/contrib/libeufin-bank.sample.conf 
b/contrib/libeufin-bank.sample.conf
new file mode 100644
index 00000000..a50fef97
--- /dev/null
+++ b/contrib/libeufin-bank.sample.conf
@@ -0,0 +1,13 @@
+[libeufin-bank]
+currency = KUDOS
+DEFAULT_CUSTOMER_DEBT_LIMIT = KUDOS:200
+DEFAULT_ADMIN_DEBT_LIMIT = KUDOS:2000
+REGISTRATION_BONUS = KUDOS:100
+REGISTRATION_BONUS_ENABLED = yes
+MAX_AUTH_TOKEN_DURATION = 1d
+
+SERVE = tcp
+PORT = 8080
+
+[libeufin-bank-db-postgres]
+CONFIG = postgresql:///libeufinbank
diff --git a/util/src/main/kotlin/TalerConfig.kt 
b/util/src/main/kotlin/TalerConfig.kt
index 6ea252b2..94a001a4 100644
--- a/util/src/main/kotlin/TalerConfig.kt
+++ b/util/src/main/kotlin/TalerConfig.kt
@@ -128,6 +128,14 @@ class TalerConfig {
         return entry.value
     }
 
+    fun requireValueNumber(section: String, option: String): Long {
+        val entry = lookupEntry(section, option)
+        if (entry == null) {
+            throw TalerConfigError("expected string in configuration section 
$section option $option")
+        }
+        return entry.value.toLong(10)
+    }
+
     fun lookupValueBooleanDefault(section: String, option: String, default: 
Boolean): Boolean {
         val entry = lookupEntry(section, option)
         if (entry == null) {

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