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From e45d0ca9ccc3d5fbe94372f40bedb7559dc9530a Mon Sep 17 00:00:00 2001
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From: "feng.changf1" <feng.changf1@alibaba-inc.com>
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Date: Tue, 24 Jul 2018 15:08:45 +0800
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Subject: [PATCH] Add Aliyun vpc-move-ip agent.
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---
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heartbeat/aliyun-vpc-move-ip | 258 +++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 258 insertions(+)
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create mode 100644 heartbeat/aliyun-vpc-move-ip
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diff --git a/heartbeat/aliyun-vpc-move-ip b/heartbeat/aliyun-vpc-move-ip
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new file mode 100644
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index 000000000..bc97822a8
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--- /dev/null
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+++ b/heartbeat/aliyun-vpc-move-ip
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@@ -0,0 +1,258 @@
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+#!/bin/bash
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+#
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+# OCF resource agent to move an IP address within a VPC in the Aliyun
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+# Based on code of Markus Guertler (GitHub AWS-VPC-move-IP)
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+# Based on code of Adam Gandelman (GitHub ec2-resource-agents/elasticip)
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+#
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+
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+###############################################################################
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+# For testing purposes delete OCF_ROOT after testing
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+OCF_ROOT=/usr/lib/ocf/
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+#
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+# INIT
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+#: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/heartbeat}
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+#if [ -f ${OCF_FUNCTIONS_DIR}/.ocf-shellfuncs ]; then
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+# . ${OCF_FUNCTIONS_DIR}/.ocf-shellfuncs
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+#fi
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+
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+#######################################################################
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+# Initialization:
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+
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+: ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
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+. ${OCF_FUNCTIONS}
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+: ${__OCF_ACTION=$1}
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+export HOME=/root
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+#######################################################################
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+
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+
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+USAGE="usage: $0 {start|stop|status|meta-data}";
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+###############################################################################
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+
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+
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+###############################################################################
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+#
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+# Functions
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+#
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+###############################################################################
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+
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+
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+metadata() {
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+cat <
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+
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+
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+<resource-agent name="vpc-move-ip">
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+<version>2.0</version>
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+<longdesc lang="en">
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+Resource Agent to move IP addresses within a VPC of the Aliyun Webservices ECS
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+by changing an entry in an specific routing table
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+</longdesc>
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+<shortdesc lang="en">Move IP within a APC of the Aliyun ECS</shortdesc>
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+<parameters>
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+<parameter name="address" required="1">
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+<longdesc lang="en">
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+VPC private IP address
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+</longdesc>
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+<shortdesc lang="en">vpc ip</shortdesc>
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+<content type="string" default="" />
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+</parameter>
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+<parameter name="routing_table" required="1">
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+<longdesc lang="en">
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+Name of the routing table, where the route for the IP address should be changed, i.e. rtb-...
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+</longdesc>
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+<shortdesc lang="en">routing table name</shortdesc>
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+<content type="string" default="" />
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+</parameter>
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+<parameter name="interface" required="1">
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+<longdesc lang="en">
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+Name of the network interfacen, i.e. eth0
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+</longdesc>
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+<shortdesc lang="en">network interface name</shortdesc>
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+<content type="string" default="eth0" />
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+</parameter>
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+<parameter name="profile" required="0">
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+<longdesc lang="en">
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+Valid Aliyun CLI profile name
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+</longdesc>
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+<shortdesc lang="en">profile name</shortdesc>
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+<content type="string" default="default" />
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+</parameter>
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+</parameters>
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+<actions>
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+<action name="start" timeout="180" />
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+<action name="stop" timeout="180" />
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+<action name="monitor" depth="0" timeout="30" interval="30" />
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+<action name="validate-all" timeout="5" />
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+<action name="meta-data" timeout="5" />
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+</actions>
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+</resource-agent>
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+END
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+}
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+
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+debugger() {
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+ ocf_log info "DEBUG: $1"
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+}
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+
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+ecs_ip_validate() {
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+ debugger "function: validate"
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+
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+ # IP address
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+ [[ -z "$OCF_RESKEY_address" ]] && ocf_log error "IP address parameter not set $OCF_RESKEY_ADDRESS!" && exit $OCF_ERR_CONFIGURED
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+
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+ # Network Interface
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+ [[ -z "$OCF_RESKEY_interface" ]] && ocf_log error "Network interface parameter not set $OCF_RESKEY_INTERFACE!" && exit $OCF_ERR_CONFIGURED
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+
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+ # Routing Table
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+ [[ -z "$OCF_RESKEY_routing_table" ]] && ocf_log error "Routing table parameter not set $OCF_RESKEY_ROUTING_TABLE!" && exit $OCF_ERR_CONFIGURED
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+
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+ ECS_INSTANCE_ID="$(curl -s http://100.100.100.200/latest/meta-data/instance-id)"
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+
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+ if [ -z "${ECS_INSTANCE_ID}" ]; then
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+ ocf_exit_reason "Instance ID not found. Is this a ECS instance?"
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+ return $OCF_ERR_GENERIC
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+ fi
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+
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+ return $OCF_SUCCESS
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+}
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+
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+ecs_ip_monitor() {
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+ ecs_ip_validate
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+ debugger "function: ecsip_monitor: check routing table"
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+ cmd="aliyuncli vpc DescribeRouteTables --RouteTableId $OCF_RESKEY_routing_table --output text"
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+ debugger "executing command: $cmd"
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+ ROUTE_TO_INSTANCE="$($cmd |grep $OCF_RESKEY_address | awk '{ print $3 }')"
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+ if [ -z "$ROUTE_TO_INSTANCE" ]; then
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+ ROUTE_TO_INSTANCE="<unknown>"
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+ fi
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+
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+ [[ "$ECS_INSTANCE_ID" != "$ROUTE_TO_INSTANCE" ]] && debugger "not routed to this instance ($ECS_INSTANCE_ID) but to instance $ROUTE_TO_INSTANCE" && return $OCF_NOT_RUNNING
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+ cmd="ping -W 1 -c 1 $OCF_RESKEY_address"
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+ debugger "executing command: $cmd"
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+ $cmd > /dev/null
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+ [[ $? -gt 0 ]] && debugger "IP $OCF_RESKEY_address not locally reachable via ping on this system" && return $OCF_NOT_RUNNING
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+ debugger "routed in VPC and locally reachable"
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+ return $OCF_SUCCESS
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+}
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+
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+
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+ecs_ip_drop() {
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+ debugger "function: ecsip_drop"
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+ cmd="ip addr delete ${OCF_RESKEY_address}/32 dev $OCF_RESKEY_interface"
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+ debugger "executing command: $cmd"
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+ $cmd
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+ rc=$?
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+ [[ $rc -gt 2 ]] && debugger "command failed, rc $rc" && return $OCF_ERR_GENERIC
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+ debugger "command succeeded"
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+ return $OCF_SUCCESS
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+}
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+
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+wait_for_deleted() {
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+ while [ ! -z "$ROUTE_TO_INSTANCE" ]; do
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+ sleep 1
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+ cmd="aliyuncli vpc DescribeRouteTables --RouteTableId $OCF_RESKEY_routing_table --output text"
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+ debugger "executing command: $cmd"
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+ ROUTE_TO_INSTANCE="$($cmd |grep $OCF_RESKEY_address | awk '{ print $3 }')"
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+ done
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+ sleep 5
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+}
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+
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+wait_for_started() {
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+ cmd="aliyuncli vpc DescribeRouteTables --RouteTableId $OCF_RESKEY_routing_table --output text"
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+ debugger "executing command: $cmd"
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+ ROUTE_TO_INSTANCE="$($cmd |grep $OCF_RESKEY_address | awk '{ print $3 }')"
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+
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+ while [ "$ECS_INSTANCE_ID" != "$ROUTE_TO_INSTANCE" ]; do
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+ sleep 1
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+ cmd="aliyuncli vpc DescribeRouteTables --RouteTableId $OCF_RESKEY_routing_table --output text"
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+ debugger "executing command: $cmd"
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+ ROUTE_TO_INSTANCE="$($cmd |grep $OCF_RESKEY_address | awk '{ print $3 }')"
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+ done
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+ sleep 5
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+}
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+
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+ecs_ip_get_and_configure() {
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+ debugger "function: ecsip_get_and_configure"
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+
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+ if [ "$ECS_INSTANCE_ID" != "$ROUTE_TO_INSTANCE" ]; then
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+
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+ if [ $ROUTE_TO_INSTANCE != "<unknown>" ]; then
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+ # Adjusting the routing table
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+ cmd="aliyuncli vpc DeleteRouteEntry --RouteTableId $OCF_RESKEY_routing_table --DestinationCidrBlock ${OCF_RESKEY_address}/32 --NextHopId $ROUTE_TO_INSTANCE --output text"
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+ debugger "executing command: $cmd"
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+ $cmd
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+ rc=$?
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+ [[ $rc != 0 ]] && debugger "command failed, rc: $rc" && return $OCF_ERR_GENERIC
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+ #wait_for_deleted
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+ sleep 3
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+ fi
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+
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+ cmd="aliyuncli vpc CreateRouteEntry --RouteTableId $OCF_RESKEY_routing_table --DestinationCidrBlock ${OCF_RESKEY_address}/32 --NextHopId $ECS_INSTANCE_ID --NextHopType Instance --output text"
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+ debugger "executing command: $cmd"
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+ $cmd
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+ rc=$?
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+ #[[ $rc != 0 ]] && debugger "command failed, rc: $rc" && return $OCF_ERR_GENERIC
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+ while [ $rc != 0 ]; do
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+ sleep 2
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+ cmd="aliyuncli vpc CreateRouteEntry --RouteTableId $OCF_RESKEY_routing_table --DestinationCidrBlock ${OCF_RESKEY_address}/32 --NextHopId $ECS_INSTANCE_ID --NextHopType Instance --output text"
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+ debugger "executing command: $cmd"
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+ $cmd
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+ rc=$?
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+ done
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+ wait_for_started
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+ fi
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+
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+
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+ # Reconfigure the local ip address
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+ ecs_ip_drop
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+ ip addr add "${OCF_RESKEY_address}/32" dev $OCF_RESKEY_interface
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+ rc=$?
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+ [[ $rc != 0 ]] && debugger "command failed, rc: $rc" && return $OCF_ERR_GENERIC
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+ debugger "-success"
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+ return $OCF_SUCCESS
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+}
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+
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+ecs_ip_stop() {
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+ ocf_log info "ECS: Bringing down IP address $OCF_RESKEY_address"
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+ ecs_ip_validate
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+ ecs_ip_monitor
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+ [[ $? == $OCF_NOT_RUNNING ]] && ocf_log info "ECS: Address $OCF_RESKEY_address already down" && return $OCF_SUCCESS
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+ ecs_ip_drop
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+ [[ $? != $OCF_SUCCESS ]] && return $OCF_ERR_GENERIC
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+ ecs_ip_monitor
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+ [[ $? == $OCF_NOT_RUNNING ]] && ocf_log info "ECS: Successfully brought down $OCF_RESKEY_address" && return $OCF_SUCCESS
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+ ocf_log error "ECS: Couldn't bring down IP address $OCF_RESKEY_address on interface $OCF_RESKEY_interface."
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+ return $OCF_ERR_GENERIC
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+}
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+
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+ecs_ip_start() {
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+ ocf_log info "ECS: Moving IP address $OCF_RESKEY_address to this host by adjusting routing table $OCF_RESKEY_routing_table"
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+ ecs_ip_validate
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+ ecs_ip_monitor
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+ [[ $? == $OCF_SUCCESS ]] && ocf_log info "ECS: $OCF_RESKEY_address already started" && return $OCF_SUCCESS
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+ ocf_log info "ECS: Adjusting routing table and locally configuring IP address"
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+ ecs_ip_get_and_configure
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+ [[ $? != 0 ]] && ocf_log error "Received $? from 'aliyun cli'" && return $OCF_ERR_GENERIC
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+ return $OCF_SUCCESS
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+ ecs_ip_monitor
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+ [[ $? == $OCF_SUCCESS ]] && return $?
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+ ocf_log error "ECS: IP address couldn't be configured on this host (IP: $OCF_RESKEY_address, Interface: $OCF_RESKEY_interface)"
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+ return $OCF_ERR_GENERIC
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+}
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+
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+###############################################################################
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+#
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+# MAIN
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+#
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+###############################################################################
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+
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+case $__OCF_ACTION in
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+ meta-data) metadata
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+ exit $OCF_SUCCESS;;
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+ monitor)
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+ ecs_ip_monitor;;
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+ stop)
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+ ecs_ip_stop;;
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+ validate-all) ecs_ip_validate;;
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+ start)
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+ ecs_ip_start;;
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+ *) exit $OCF_ERR_UNIMPLEMENTED;;
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+esac
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05afe3 |
\ No newline at end of file
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