Fix Container Startup Fails on daemon start: opendkim #621 (#627)

Makefile

@@ -51,6 +51,13 @@ run:
 		-e OVERRIDE_HOSTNAME=mail.my-domain.com \
 		-t $(NAME)
 	sleep 15
+	docker run -d --name mail_smtponly_without_config \
+		-e SMTP_ONLY=1 \
+		-e ENABLE_LDAP=1 \
+		-e PERMIT_DOCKER=network \
+		-e OVERRIDE_HOSTNAME=mail.mydomain.com \
+		-t $(NAME)
+	sleep 15
 	docker run -d --name mail_override_hostname \
 		-v "`pwd`/test/config":/tmp/docker-mailserver \
 		-v "`pwd`/test":/tmp/docker-mailserver-test \
@@ -177,6 +184,7 @@ clean:
 		mail \
 		mail_pop3 \
 		mail_smtponly \
+		mail_smtponly_without_config \
 		mail_fail2ban \
 		mail_fetchmail \
 		fail-auth-mailer \

target/start-mailserver.sh

@@ -734,6 +734,9 @@ function _setup_dkim() {
 		chmod -R 0700 /etc/opendkim/keys/
 	else
 		notify 'warn' "No DKIM key provided. Check the documentation to find how to get your keys."
+
+                local _f_keytable="/etc/opendkim/KeyTable"
+                [ ! -f "$_f_keytable" ] && touch "$_f_keytable"
 	fi
 }
 

test/tests.bats

@@ -472,6 +472,12 @@ load 'test_helper/bats-assert/load'
   assert_output 2
 }
 
+@test "checking opendkim: /etc/opendkim/KeyTable dummy file generated without keys provided" {
+  run docker exec mail_smtponly_without_config /bin/bash -c "cat /etc/opendkim/KeyTable"
+  assert_success
+}
+
+
 @test "checking opendkim: /etc/opendkim/keys/ should contain 2 entries" {
   run docker exec mail /bin/sh -c "ls -l /etc/opendkim/keys/ | grep '^d' | wc -l"
   assert_success