2018-04-30 Fred Gleason <fredg@paravelsystems.com>

* Added a script in 'scripts/init_template_host.py'.

ChangeLog

@@ -16783,3 +16783,5 @@
 	the core library.
 	* Moved the 'RLMHost' class in rdairplay(1) to 'RDRLMHost' in
 	the core library.
+2018-04-30 Fred Gleason <fredg@paravelsystems.com>
+	* Added a script in 'scripts/init_template_host.py'.

rivendell.spec.in

@@ -151,6 +151,7 @@ cp scripts/rd_mysql_enable_host.sh $RPM_BUILD_ROOT/@DOC_PATH@/scripts/
 cp scripts/rd_backup_system.sh $RPM_BUILD_ROOT/@DOC_PATH@/scripts/
 cp scripts/rd_restore_system.sh $RPM_BUILD_ROOT/@DOC_PATH@/scripts/
 cp scripts/engine_conv.py $RPM_BUILD_ROOT/@DOC_PATH@
+cp scripts/init_template_host.py $RPM_BUILD_ROOT/@DOC_PATH@
 
 
 %post

scripts/Makefile.am

@@ -36,6 +36,7 @@ bin_SCRIPTS = crc-unity4k.sh\
 
 EXTRA_DIST = crc-unity4k.sh\
              engine_conv.py\
+             init_template_host.py\
              kill_rd\
              rd_audio_sync\
              rd_backup\

scripts/init_template_host.py

@@ -0,0 +1,108 @@
+#!/usr/bin/python
+
+# init_template_host.py
+#
+# Initialize a template-only host profile so it can be used as a
+# template.
+#
+# (C) Copyright 2018 Fred Gleason <fredg@paravelsystems.com>
+#
+
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License version 2 as
+#   published by the Free Software Foundation.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public
+#   License along with this program; if not, write to the Free Software
+#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+# Usage: init_template_host.py
+
+from __future__ import print_function
+
+import argparse
+import ConfigParser
+import mysql.connector
+import sys
+
+def eprint(*args,**kwargs):
+    print(*args,file=sys.stderr,**kwargs)
+
+
+def GetDbCredentials():
+    config=ConfigParser.ConfigParser()
+    config.readfp(open('/etc/rd.conf'))
+    return (config.get('mySQL','Loginname'),config.get('mySQL','Password'),
+            config.get('mySQL','Hostname'),config.get('mySQL','Database'))
+
+
+def OpenDb():
+    creds=GetDbCredentials()
+    return mysql.connector.connect(user=creds[0],password=creds[1],
+                                   host=creds[2],database=creds[3],buffered=True)
+
+#
+# Read arguments
+#
+parser=argparse.ArgumentParser(description='Initialize a Rivendell host entry for use as a template')
+parser.add_argument("--host",required=True,help="name of host entry to initialize")
+parser.add_argument("--device",required=True,help='add a virtual device (CARD:INPUTS:OUTPUTS)')
+args = parser.parse_args()
+device = args.device.split(":")
+if(len(device)!=3):
+    eprint("init_template_host.py: invalid argument to --device")
+    sys.exit(1)
+cardnum=int(device[0])
+if((cardnum<0) or (cardnum>7)):
+    eprint("init_template_host.py: invalid card number")
+    sys.exit(1)
+
+inputs=int(device[1])
+if((inputs<0) or (inputs>8)):
+    eprint("init_template_host.py: invalid input quantity")
+    sys.exit(1)
+
+outputs=int(device[2])
+if((outputs<0) or (outputs>8)):
+    eprint("init_template_host.py: invalid output quantity")
+    sys.exit(1)
+
+#
+# Open the database
+#
+db=OpenDb()
+
+#
+# Sanity checks
+#
+sql='select NAME from STATIONS where NAME="'+args.host+'"';
+q=db.cursor()
+q.execute(sql)
+if(len(q.fetchall()) != 1):
+    eprint('init_template.py: no such host\n')
+    sys.exit(1)
+q.close()
+
+#
+# Write host record
+#
+sql='update STATIONS set '
+sql+='CARD'+str(cardnum)+'_DRIVER=2,'
+sql+='CARD'+str(cardnum)+'_NAME="Dummy Template Card",'
+sql+='CARD'+str(cardnum)+'_INPUTS='+str(inputs)+','
+sql+='CARD'+str(cardnum)+'_OUTPUTS='+str(outputs)+','
+sql+='STATION_SCANNED="Y" where '
+sql+='NAME="'+args.host+'"'
+q=db.cursor()
+q.execute(sql)
+q.close()
+
+db.close()
+
+