OVN NB & SB DB's should be separated and should run with ovn-ctl start_northd / 
stop_northd

From 351cb81298c5b5393427958d1663cf1d3ddb370b Mon Sep 17 00:00:00 2001
From: Michael Arnaldi <m...@mymoneyex.com>
Date: Mon, 8 Feb 2016 16:29:26 +0100
Subject: [PATCH 1/1] ovn/utilities: Separating OVN NB and SB databases. Run dbs 
in separate
 processes on ovn-northd start.

Signed-off-by: Michael Arnaldi <m...@mymoneyex.com>
---
 ovn/utilities/ovn-ctl     | 59 ++++++++++++++++++++++++++++++++---------------
 ovn/utilities/ovn-nbctl.c |  2 +-
 ovn/utilities/ovn-sbctl.c |  3 ++-
 3 files changed, 43 insertions(+), 21 deletions(-)

diff --git a/ovn/utilities/ovn-ctl b/ovn/utilities/ovn-ctl
index b171934..85c4199 100755
--- a/ovn/utilities/ovn-ctl
+++ b/ovn/utilities/ovn-ctl
@@ -31,30 +31,38 @@ done
 ## ----- ##
 
 upgrade_ovn_dbs () {
-    ovn_dbs=$(ovs-appctl -t ovsdb-server ovsdb-server/list-dbs 2>/dev/null)
-    for db in $ovn_dbs; do
-        case $db in
-            OVN*)
-                action "Removing $db from ovsdb-server" \
-                    ovs-appctl -t ovsdb-server ovsdb-server/remove-db $db
-                ;;
-        esac
-    done
-    upgrade_db "$DB_NB_FILE" "$DB_NB_SCHEMA"
-    upgrade_db "$DB_SB_FILE" "$DB_SB_SCHEMA"
-    for db in $DB_NB_FILE $DB_SB_FILE; do
-        action "Adding $db to ovsdb-server" \
-            ovs-appctl -t ovsdb-server ovsdb-server/add-db $db || exit 1
-    done
+    upgrade_db "$DB_NB_FILE" "$DB_NB_SCHEMA" 1>/dev/null 2>/dev/null
+    upgrade_db "$DB_SB_FILE" "$DB_SB_SCHEMA" 1>/dev/null 2>/dev/null
+}
+
+stop_ovsdb_ovn () {
+    if [ -f $DB_NB_PID ]; then
+        kill -9 $(cat $DB_NB_PID) 1>/dev/null 2>/dev/null
+        rm -f $DB_NB_PID 1>/dev/null 2>/dev/null
+    fi
+    if [ -f $DB_SB_PID ]; then
+        kill -9 $(cat $DB_SB_PID) 1>/dev/null 2>/dev/null
+        rm -f $DB_SB_PID 1>/dev/null 2>/dev/null
+    fi
+}
+
+start_ovsdb_ovn () {
+    mkdir -p $OVN_DB_DIR
+    mkdir -p $OVN_DB_DIR/run
+
+    ovsdb-server --detach -vconsole:off --remote=punix:$DB_NB_SOCK 
--remote=ptcp:$DB_NB_PORT --pidfile=$DB_NB_PID $DB_NB_FILE
+    ovsdb-server --detach -vconsole:off --remote=punix:$DB_SB_SOCK 
--remote=ptcp:$DB_SB_PORT --pidfile=$DB_SB_PID $DB_SB_FILE
 }
 
 start_northd () {
     # We expect ovn-northd to be co-located with ovsdb-server handling both the
     # OVN_Northbound and OVN_Southbound dbs.
+    stop_ovsdb_ovn
     upgrade_ovn_dbs
+    start_ovsdb_ovn
 
     set ovn-northd
-    set "$@" -vconsole:emer -vsyslog:err -vfile:info
+    set "$@" -vconsole:emer -vsyslog:err -vfile:info 
--ovnnb-db=unix:$DB_NB_SOCK --ovnsb-db=unix:$DB_SB_SOCK
     OVS_RUNDIR=${OVN_RUNDIR} start_daemon "$OVN_NORTHD_PRIORITY" 
"$OVN_NORTHD_WRAPPER" "$@"
 }
 
@@ -70,6 +78,7 @@ start_controller () {
 
 stop_northd () {
     OVS_RUNDIR=${OVN_RUNDIR} stop_daemon ovn-northd
+    stop_ovsdb_ovn
 }
 
 stop_controller () {
@@ -95,12 +104,24 @@ restart_controller () {
 ## ---- ##
 
 set_defaults () {
-    DB_SOCK=$rundir/db.sock
-    DB_NB_FILE=$dbdir/ovnnb.db
-    DB_SB_FILE=$dbdir/ovnsb.db
+    OVN_DB_DIR=$rundir/ovn
+
+    DB_NB_SOCK=$OVN_DB_DIR/run/db_nb.sock
+    DB_NB_PID=$OVN_DB_DIR/run/db_nb.pid
+    DB_NB_PORT=6651
+
+    DB_SB_SOCK=$OVN_DB_DIR/run/db_sb.sock
+    DB_SB_PID=$OVN_DB_DIR/run/db_sb.pid
+    DB_SB_PORT=6652
+
+    DB_NB_FILE=$OVN_DB_DIR/db/ovnnb.db
+    DB_SB_FILE=$OVN_DB_DIR/db/ovnsb.db
+
     DB_NB_SCHEMA=$datadir/ovn-nb.ovsschema
     DB_SB_SCHEMA=$datadir/ovn-sb.ovsschema
 
+    DB_SOCK=$rundir/db.sock
+
     OVN_NORTHD_PRIORITY=-10
     OVN_NORTHD_WRAPPER=
     OVN_CONTROLLER_PRIORITY=-10
diff --git a/ovn/utilities/ovn-nbctl.c b/ovn/utilities/ovn-nbctl.c
index 324a0a4..62adfba 100644
--- a/ovn/utilities/ovn-nbctl.c
+++ b/ovn/utilities/ovn-nbctl.c
@@ -142,7 +142,7 @@ nbctl_default_db(void)
     if (!def) {
         def = getenv("OVN_NB_DB");
         if (!def) {
-            def = ctl_default_db();
+            def = xasprintf("unix:%s/ovn/run/db_nb.sock", ovs_rundir());
         }
     }
     return def;
diff --git a/ovn/utilities/ovn-sbctl.c b/ovn/utilities/ovn-sbctl.c
index b428a35..15b3ea3 100644
--- a/ovn/utilities/ovn-sbctl.c
+++ b/ovn/utilities/ovn-sbctl.c
@@ -28,6 +28,7 @@
 #include <unistd.h>
 
 #include "db-ctl-base.h"
+#include "dirs.h"
 
 #include "command-line.h"
 #include "compiler.h"
@@ -154,7 +155,7 @@ sbctl_default_db(void)
     if (!def) {
         def = getenv("OVN_SB_DB");
         if (!def) {
-            def = ctl_default_db();
+            def = xasprintf("unix:%s/ovn/run/db_sb.sock", ovs_rundir());
         }
     }
     return def;
-- 
2.4.9 (Apple Git-60)


Michael Arnaldi - Chief Technology Officer (CTO)

MyMoneyEx Limited
c/o Buzzacott LLP
130 Wood Street
London EC2V 6DL - United Kingdom

Mail: michael.arna...@mymoneyex.com
Web: https://www.mymoneyex.com
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