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authorNeha Jain <neha.jain3@amdocs.com>2018-04-05 11:51:29 -0400
committerNeha Jain <neha.jain3@amdocs.com>2018-04-05 11:51:35 -0400
commitde45c68c288c44af517d4a403b8a154a715df555 (patch)
tree7b6c2662d129094f4b01cf4293753893c8f8f3b6 /kubernetes/sdnc/resources
parent283a3d9cbb7e9d18294bfaa6f67f980880e57d4a (diff)
Multi-site High-availability Manual Failover (PoC)
Change-Id: I0d5644790441099434322d486f4ba014fd8bc1f7 Signed-off-by: Neha Jain <neha.jain3@amdocs.com> Issue-ID: SDNC-214
Diffstat (limited to 'kubernetes/sdnc/resources')
-rwxr-xr-xkubernetes/sdnc/resources/geo/bin/sdnc.cluster52
-rwxr-xr-xkubernetes/sdnc/resources/geo/bin/sdnc.failover65
-rwxr-xr-xkubernetes/sdnc/resources/geo/bin/sdnc.isPrimaryCluster19
-rwxr-xr-xkubernetes/sdnc/resources/geo/bin/switchVoting.sh27
4 files changed, 163 insertions, 0 deletions
diff --git a/kubernetes/sdnc/resources/geo/bin/sdnc.cluster b/kubernetes/sdnc/resources/geo/bin/sdnc.cluster
new file mode 100755
index 0000000000..d59718fa27
--- /dev/null
+++ b/kubernetes/sdnc/resources/geo/bin/sdnc.cluster
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+OOM_HOME=${OOM_HOME:-$HOME}
+
+if ! [ "$(command -v jq)" ]; then
+ echo "Error: jq is not installed."
+ echo "use: sudo apt install jq"
+ exit 1
+fi
+
+IS_PRIMARY_CLUSTER=`./sdnc.isPrimaryCluster`
+
+case $IS_PRIMARY_CLUSTER in
+true)
+ MEMBER_NUMBER=1
+ ;;
+false)
+ MEMBER_NUMBER=4
+ ;;
+*)
+ echo "Error: isPrimaryODLCluster not defined in ${OOM_HOME}/oom/kubernetes/sdnc/values.yaml."
+ exit 1
+ ;;
+esac
+
+for pod_number in {0..2}
+do
+ curl "http://localhost:3026$((${pod_number} + 1))" > /dev/null 2>&1
+ if [ "$?" = "7" ]; then
+ continue
+ fi
+
+ VOTING_RESULT=`curl -u admin:admin -H "Content-Type: application/json" -H "Accept: application/json" -X GET http://localhost:3026$((${pod_number} + 1))/jolokia/read/org.opendaylight.controller:Category=Shards,name=member-$((${MEMBER_NUMBER} + ${pod_number}))-shard-default-config,type=DistributedConfigDatastore 2>/dev/null | jq '.value.Voting'`
+
+ case $VOTING_RESULT in
+ true)
+ echo "active"
+ exit 0
+ ;;
+ false)
+ echo "standby"
+ exit 0
+ ;;
+ *)
+ echo "Error: Voting status could not be determined."
+ exit 1
+ ;;
+ esac
+done
+
+echo "Error: Voting status could not be determined."
+exit 1
diff --git a/kubernetes/sdnc/resources/geo/bin/sdnc.failover b/kubernetes/sdnc/resources/geo/bin/sdnc.failover
new file mode 100755
index 0000000000..961a5cb5cf
--- /dev/null
+++ b/kubernetes/sdnc/resources/geo/bin/sdnc.failover
@@ -0,0 +1,65 @@
+#!/usr/bin/perl -s
+use strict;
+
+my $keyWord_standby = "standby";
+my $keyWord_active = "active";
+my $keyWord_true = "true";
+my $keyWord_false = "false";
+my $keyWord_success = "success";
+my $keyWord_failure = "failure";
+my $file_cluster = "sdnc.cluster";
+my $file_switchVoting = "switchVoting.sh";
+my $file_isPrimaryCluster = "sdnc.isPrimaryCluster";
+
+if ((!(-e $file_cluster)) || (!(-e $file_switchVoting))|| (!(-e $file_isPrimaryCluster))) {
+ # file not exist.
+ print qq|$keyWord_failure\n|;
+ exit 1;
+}
+
+my $roleRes = qx("./$file_isPrimaryCluster");
+my $clusterRes = qx("./$file_cluster");
+
+if ( index ($clusterRes, $keyWord_standby) != -1) {
+ # We are at standby side
+ if ( index ($roleRes, $keyWord_false) != -1) {
+ # We are at Secondary cluster
+ sub_activate_secondary();
+ } elsif ( index ($roleRes, $keyWord_true) != -1) {
+ # We are at Primary cluster
+ sub_activate_primary();
+ } else {
+ # Error.
+ print qq|$keyWord_failure\n|;
+ exit 1;
+ }
+} elsif ( index ($clusterRes, $keyWord_active) != -1) {
+ # We are at active side
+ if ( index ($roleRes, $keyWord_false) != -1) {
+ # We are at Secondary cluster
+ sub_activate_primary();
+ } elsif ( index ($roleRes, $keyWord_true) != -1) {
+ # We are at Primary cluster
+ sub_activate_secondary();
+ } else {
+ # Error.
+ print qq|$keyWord_failure\n|;
+ exit 1;
+ }
+} else {
+ # Error.
+ print qq|$keyWord_failure\n|;
+ exit 1;
+}
+
+sub sub_activate_primary {
+ #Switching voting in Primary cluster
+ system("./$file_switchVoting primary");
+ print qq|$keyWord_success\n|;
+}
+
+sub sub_activate_secondary {
+ #Switching voting in secondary cluster
+ system("./$file_switchVoting secondary");
+ print qq|$keyWord_success\n|;
+}
diff --git a/kubernetes/sdnc/resources/geo/bin/sdnc.isPrimaryCluster b/kubernetes/sdnc/resources/geo/bin/sdnc.isPrimaryCluster
new file mode 100755
index 0000000000..8e816c4153
--- /dev/null
+++ b/kubernetes/sdnc/resources/geo/bin/sdnc.isPrimaryCluster
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+OOM_HOME=${OOM_HOME:-$HOME}
+
+IS_PRIMARY_CLUSTER=`awk '/isPrimaryODLCluster/ {print $2}' ${OOM_HOME}/oom/kubernetes/sdnc/values.yaml`
+
+if [ "$?" -eq "2" ]; then
+ echo "Make sure you are ubuntu user." >&2
+fi
+
+case $IS_PRIMARY_CLUSTER in
+true|false)
+ echo $IS_PRIMARY_CLUSTER
+ ;;
+*)
+ echo "NOT CLUSTERED"
+ exit 1
+ ;;
+esac
diff --git a/kubernetes/sdnc/resources/geo/bin/switchVoting.sh b/kubernetes/sdnc/resources/geo/bin/switchVoting.sh
new file mode 100755
index 0000000000..05d1e0fd68
--- /dev/null
+++ b/kubernetes/sdnc/resources/geo/bin/switchVoting.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+function usage()
+{
+ echo usage: switchVoting.sh primary\|secondary
+ exit 1
+}
+
+if [ $# -ne 1 ]; then
+ usage
+fi
+
+partition=$1
+
+if [ "$partition" == "primary" ]; then
+ curl -u admin:Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U -H "Content-Type: application/json" -H "Accept: application/json" -X POST http://localhost:30202/restconf/operations/cluster-admin:change-member-voting-states-for-all-shards -d '{ "input" : { "member-voting-state" : [ { "member-name" : "member-1", "voting":true}, { "member-name" : "member-2", "voting":true}, { "member-name" : "member-3", "voting":true},{ "member-name" : "member-4", "voting":false},{ "member-name" : "member-5", "voting":false},{ "member-name" : "member-6", "voting":false}] } }' > switch_voting_resp.json 2>/dev/null
+ echo "" >> switch_voting_resp.json
+ exit 0
+fi
+
+if [ "$partition" == "secondary" ]; then
+ curl -u admin:Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U -H "Content-Type: application/json" -H "Accept: application/json" -X POST http://localhost:30202/restconf/operations/cluster-admin:change-member-voting-states-for-all-shards -d '{ "input" : { "member-voting-state" : [ { "member-name" : "member-1", "voting":false}, { "member-name" : "member-2", "voting":false}, { "member-name" : "member-3", "voting":false},{ "member-name" : "member-4", "voting":true},{ "member-name" : "member-5", "voting":true},{ "member-name" : "member-6", "voting":true}] } }' > switch_voting_resp.json 2>/dev/null
+ echo "" >> switch_voting_resp.json
+ exit 0
+fi
+
+usage