From de45c68c288c44af517d4a403b8a154a715df555 Mon Sep 17 00:00:00 2001 From: Neha Jain Date: Thu, 5 Apr 2018 11:51:29 -0400 Subject: Multi-site High-availability Manual Failover (PoC) Change-Id: I0d5644790441099434322d486f4ba014fd8bc1f7 Signed-off-by: Neha Jain Issue-ID: SDNC-214 --- kubernetes/sdnc/resources/geo/bin/sdnc.cluster | 52 +++++++++++++++++ kubernetes/sdnc/resources/geo/bin/sdnc.failover | 65 ++++++++++++++++++++++ .../sdnc/resources/geo/bin/sdnc.isPrimaryCluster | 19 +++++++ kubernetes/sdnc/resources/geo/bin/switchVoting.sh | 27 +++++++++ 4 files changed, 163 insertions(+) create mode 100755 kubernetes/sdnc/resources/geo/bin/sdnc.cluster create mode 100755 kubernetes/sdnc/resources/geo/bin/sdnc.failover create mode 100755 kubernetes/sdnc/resources/geo/bin/sdnc.isPrimaryCluster create mode 100755 kubernetes/sdnc/resources/geo/bin/switchVoting.sh (limited to 'kubernetes/sdnc') 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 -- cgit 1.2.3-korg