#!/bin/bash
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#   Copyright (c) 2020 AT&T Intellectual Property.                             #
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#   Licensed under the Apache License, Version 2.0 (the "License");            #
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#       http://www.apache.org/licenses/LICENSE-2.0                             #
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#   Unless required by applicable law or agreed to in writing, software        #
#   distributed under the License is distributed on an "AS IS" BASIS,          #
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#set -x

acknowledge() {
  echo "$1"
  read  -n 1 -p "Press any key to continue" mainmenuinput
  echo
}


echo "This script demonstrates alarm communication between SMO (ONAP SDNC-SDNR) and"
echo "Near RT RIC O1 Mediator over netconf interface"

DIRNAME="/tmp/o1flow-$(date +%Y%m%d%H%M)"
mkdir $DIRNAME
cd $DIRNAME

echo && echo "===> Add network topology node for Near RT RIC in SDNC-SDNR."

# parameters used in API call into SDNC-SDNR
controller="192.168.130.182"
port="30267"
protocol=http
nodeId="near-rt-ric-01"
basicAuth="admin:Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U"
accept="Accept:application/json"
content="Content-Type:application/json"

echo && acknowledge "Next step: check initial list of nodes configured"
echo "======> Check list of nodes"
path="restconf/config/network-topology:network-topology/topology/topology-netconf"
uri="$protocol://$controller:$port/$path"
echo "curl -u $basicAuth $uri"
curl -s -u $basicAuth $uri | jq .
echo "You should see that pretty an empty list under the \"topology\" array."


echo && echo "======> Prepare config file for the new node"
cat << EOF > oam-connect-${nodeId}.json
{
  "node": [
    {
      "node-id": "near-rt-ric-01",
      "netconf-node-topology:host": "192.168.130.80",
      "netconf-node-topology:port": 30830,
      "netconf-node-topology:username": "netconf",
      "netconf-node-topology:password": "netconf",
      "netconf-node-topology:reconnect-on-changed-schema": false,
      "netconf-node-topology:sleep-factor": 1.5,
      "netconf-node-topology:tcp-only": false,
      "netconf-node-topology:connection-timeout-millis": 20000,
      "netconf-node-topology:max-connection-attempts": 100,
      "netconf-node-topology:between-attempts-timeout-millis": 2000,
      "netconf-node-topology:keepalive-delay": 120
    }
  ]
}
EOF
echo "The configuration file is created at: $(pwd)/oam-connect-${nodeId}.json"

echo && echo "======> Create the node"
acknowledge "Next step: create the topology node for near real time RIC"
path="restconf/config/network-topology:network-topology/topology/topology-netconf"
uri="$protocol://$controller:$port/$path/node/$nodeId"
echo "curl $basicAuth -H $content -H $accept -X PUT -d @./oam-connect-${nodeId}.json $uri" 
curl -i -u $basicAuth -H $content -H $accept -X PUT -d @./oam-connect-${nodeId}.json $uri
echo "As the tradition, a 200 response means that the API call was successful."

echo && acknowledge "Next step: check list of nodes configured"
echo "======> Check list of nodes"
path="restconf/config/network-topology:network-topology/topology/topology-netconf"
uri="$protocol://$controller:$port/$path"
echo "curl -u $basicAuth $uri"
curl -s -u $basicAuth $uri | jq .
echo "You should see that under the \"topology\" array, a node called \"neat-rt-ric-01\"."

echo && acknowledge "Next step: check capabilities and supported models of the Near RT RIC node"
echo "======> Querying capabilities and supported models of the Near RT RIC node"
path="restconf/operational/network-topology:network-topology/topology/topology-netconf"
uri="$protocol://$controller:$port/$path"
echo "curl -u $basicAuth $uri"
curl -s -u $basicAuth $uri | jq .
echo "You should see bunch of capabilities advertiised by the near-rt-ric-01 node.  Among which the \"(urn:o-ran:ric:alarm:1.0?revision=2020-01-29)o-ran-sc-ric-alarm-v1\" is what we will use in the demo."

echo && acknowledge "Next step: retrieving outstanding alarms at the Near RT RIC node"
echo "======> Retrieving outstanding alarms at the Near RT RIC node"
path="restconf/operational/network-topology:network-topology/topology/topology-netconf/node/$nodeId/yang-ext:mount/o-ran-sc-ric-alarm-v1:ric/alarms"
uri="$protocol://$controller:$port/$path"
echo "curl -u $basicAuth $uri"
curl -u $basicAuth $uri | jq .
acknowledge  "We should see two alarms, one MAJOR, the other CRITICAL.  Next step: move demo sequence to Near RT RIC for the next step, which will delete one alarm.  If you see a \"data-missing\" error, donot panic, it may mean that the near-rt-ric-01 node has nothing to report."


echo && echo "======> Retrieving outstanding alarms at the Near RT RIC node, the second time"
path="restconf/operational/network-topology:network-topology/topology/topology-netconf/node/$nodeId/yang-ext:mount/o-ran-sc-ric-alarm-v1:ric/alarms"
uri="$protocol://$controller:$port/$path"
echo "curl -u $basicAuth $uri"
curl -u $basicAuth $uri | jq .
acknowledge "We should see one alarm now, the MAJOR as the CRITICAL has been deleted. When ready to proceed,"


echo && acknowledge "The O1 alarm demonstration is complete.  We now remove the Near RT RIC node to stop the netconf interface between OAM and Near RT RIC"

echo "===> Remove network topology nodee for Near RT RIC"
path="restconf/config/network-topology:network-topology/topology/topology-netconf/node/$nodeId"
uri="$protocol://$controller:$port/$path"
curl -u $basicAuth -X DELETE $uri | jq .