[buildbot] phase1: make slave port configurable

[LEDE Commits]

jow pushed a commit to buildbot.git, branch master:
https://git.lede-project.org/c0aabccc93cfbb27238286a36271893333b99443

commit c0aabccc93cfbb27238286a36271893333b99443
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Mon Nov 14 13:43:55 2016 +0100

    phase1: make slave port configurable
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 phase1/config.ini.example | 1 +
 phase1/master.cfg         | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/phase1/config.ini.example b/phase1/config.ini.example
index 288b90a..6c69ef1 100644
--- a/phase1/config.ini.example
+++ b/phase1/config.ini.example
@@ -4,6 +4,7 @@ title_url = http://lede-project.org/
 buildbot_url = http://phase1.builds.lede-project.org/
 homedir = .
 expire = 1209600
+port = 9989
 
 [status]
 bind = tcp:8010:interface=127.0.0.1
diff --git a/phase1/master.cfg b/phase1/master.cfg
index 7e74bd3..1e8e54e 100644
--- a/phase1/master.cfg
+++ b/phase1/master.cfg
@@ -25,6 +25,11 @@ c = BuildmasterConfig = {}
 # slave name and password must be configured on the slave.
 from buildbot.buildslave import BuildSlave
 
+slave_port = 9989
+
+if ini.has_option("general", "port"):
+	slave_port = ini.getint("general", "port")
+
 c['slaves'] = []
 
 for section in ini.sections():
@@ -40,7 +45,7 @@ for section in ini.sections():
 # 'slavePortnum' defines the TCP port to listen on for connections from slaves.
 # This must match the value configured into the buildslaves (with their
 # --master option)
-c['slavePortnum'] = 9989
+c['slavePortnum'] = slave_port
 
 # coalesce builds
 c['mergeRequests'] = True