#!/bin/bash

# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
# or more contributor license agreements. Licensed under the Elastic License 2.0; you may not use
# this file except in compliance with the Elastic License 2.0.
{% from 'vars/globals.map.jinja' import GLOBALS %}

. /usr/sbin/so-elastic-fleet-common

printf "\n### Create ES Token ###\n"
ESTOKEN=$(curl -K /opt/so/conf/elasticsearch/curl.config -L -X POST "localhost:5601/api/fleet/service_tokens" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' |  jq -r .value)

### Create Outputs & Fleet URLs ###
printf "\nAdd Manager Elasticsearch Output...\n"
ESCACRT=$(openssl x509 -in  /etc/pki/tls/certs/intca.crt)
JSON_STRING=$( jq -n \
                  --arg ESCACRT "$ESCACRT" \
                  '{"name":"so-manager_elasticsearch","id":"so-manager_elasticsearch","type":"elasticsearch","hosts":["https://{{ GLOBALS.manager_ip }}:9200","https://{{ GLOBALS.manager }}:9200"],"is_default":true,"is_default_monitoring":true,"config_yaml":"","ssl":{"certificate_authorities": [$ESCACRT]}}' )
curl -K /opt/so/conf/elasticsearch/curl.config -L -X POST "localhost:5601/api/fleet/outputs" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d "$JSON_STRING"
printf "\n\n"

printf "\nCreate Logstash Output if node is not an Import or Eval install\n"
{% if grains.role not in ['so-import', 'so-eval'] %}
LOGSTASHCRT=$(openssl x509 -in /etc/pki/elasticfleet-logstash.crt)
LOGSTASHKEY=$(openssl rsa -in  /etc/pki/elasticfleet-logstash.key)
LOGSTASHCA=$(openssl x509 -in  /etc/pki/tls/certs/intca.crt)
JSON_STRING=$( jq -n \
                  --arg LOGSTASHCRT "$LOGSTASHCRT" \
                  --arg LOGSTASHKEY "$LOGSTASHKEY" \
                  --arg LOGSTASHCA "$LOGSTASHCA" \
                  '{"name":"grid-logstash","is_default":true,"is_default_monitoring":true,"id":"so-manager_logstash","type":"logstash","hosts":["{{ GLOBALS.manager_ip }}:5055", "{{ GLOBALS.manager }}:5055"],"config_yaml":"","ssl":{"certificate": $LOGSTASHCRT,"key": $LOGSTASHKEY,"certificate_authorities":[ $LOGSTASHCA ]},"proxy_id":null}'
                  )
curl -K /opt/so/conf/elasticsearch/curl.config -L -X POST "localhost:5601/api/fleet/outputs" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d "$JSON_STRING"
printf "\n\n"
{%- endif %}

# Add Manager IP & URL Base to Fleet Host URLs
printf "\nAdd SO-Manager Fleet URL\n"
if [ "{{ GLOBALS.manager_ip }}" = "{{ GLOBALS.url_base }}" ]; then
    JSON_STRING=$( jq -n '{"id":"grid-default","name":"grid-default","is_default":true,"host_urls":["https://{{ GLOBALS.url_base }}:8220"]}')
else
    JSON_STRING=$( jq -n '{"id":"grid-default","name":"grid-default","is_default":true,"host_urls":["https://{{ GLOBALS.url_base }}:8220", "https://{{ GLOBALS.manager_ip }}:8220"]}')
fi

## This array replaces whatever URLs are currently configured
curl -K /opt/so/conf/elasticsearch/curl.config -L -X POST "localhost:5601/api/fleet/fleet_server_hosts" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d  "$JSON_STRING"
printf "\n\n"

### Create Policies & Associated Integration Configuration ###
# Load packages
/usr/sbin/so-elastic-fleet-package-load

# Load Elasticsearch templates
/usr/sbin/so-elasticsearch-templates-load

# Manager Fleet Server Host
elastic_fleet_policy_create "FleetServer_{{ GLOBALS.hostname }}" "Fleet Server - {{ GLOBALS.hostname }}" "true" "120"

#Temp Fixup for ES Output bug
JSON_STRING=$( jq -n \
                --arg NAME "FleetServer_{{ GLOBALS.hostname }}" \
                '{"name": $NAME,"description": $NAME,"namespace":"default","monitoring_enabled":["logs"],"inactivity_timeout":120,"data_output_id":"so-manager_elasticsearch"}'
                )
curl -K /opt/so/conf/elasticsearch/curl.config -L -X PUT "localhost:5601/api/fleet/agent_policies/FleetServer_{{ GLOBALS.hostname }}" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d "$JSON_STRING"

# Initial Endpoints Policy
elastic_fleet_policy_create "endpoints-initial" "Initial Endpoint Policy" "false" "1209600"

# Grid Nodes - General Policy
elastic_fleet_policy_create "so-grid-nodes_general" "SO Grid Nodes - General Purpose" "false" "1209600"

# Grid Nodes - Heavy Node Policy
elastic_fleet_policy_create "so-grid-nodes_heavy" "SO Grid Nodes - Heavy Node" "false" "1209600"

# Load Integrations for default policies
so-elastic-fleet-integration-policy-load

# Set Elastic Agent Artifact Registry URL
JSON_STRING=$( jq -n \
                --arg NAME "FleetServer_{{ GLOBALS.hostname }}" \
                --arg URL "http://{{ GLOBALS.url_base }}:8443/artifacts/" \
                '{"name":$NAME,"host":$URL,"is_default":true}'
                )

curl -K /opt/so/conf/elasticsearch/curl.config -L -X POST "localhost:5601/api/fleet/agent_download_sources" -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d "$JSON_STRING"

### Finalization ###

# Query for Enrollment Tokens for default policies
ENDPOINTSENROLLMENTOKEN=$(curl -K /opt/so/conf/elasticsearch/curl.config -L "localhost:5601/api/fleet/enrollment_api_keys" -H 'kbn-xsrf: true' -H 'Content-Type: application/json'  | jq .list | jq -r -c '.[] | select(.policy_id | contains("endpoints-initial")) | .api_key')
GRIDNODESENROLLMENTOKENGENERAL=$(curl -K /opt/so/conf/elasticsearch/curl.config -L "localhost:5601/api/fleet/enrollment_api_keys" -H 'kbn-xsrf: true' -H 'Content-Type: application/json'  | jq .list | jq -r -c '.[] | select(.policy_id | contains("so-grid-nodes_general")) | .api_key')
GRIDNODESENROLLMENTOKENHEAVY=$(curl -K /opt/so/conf/elasticsearch/curl.config -L "localhost:5601/api/fleet/enrollment_api_keys" -H 'kbn-xsrf: true' -H 'Content-Type: application/json'  | jq .list | jq -r -c '.[] | select(.policy_id | contains("so-grid-nodes_heavy")) | .api_key')

# Store needed data in minion pillar
pillar_file=/opt/so/saltstack/local/pillar/minions/{{ GLOBALS.minion_id }}.sls
printf '%s\n'\
    "elasticfleet:"\
    "  enabled: True"\
    "  config:"\
    "    server:"\
    "      es_token: '$ESTOKEN'"\
    "      endpoints_enrollment: '$ENDPOINTSENROLLMENTOKEN'"\
    "      grid_enrollment_general: '$GRIDNODESENROLLMENTOKENGENERAL'"\
    "      grid_enrollment_heavy: '$GRIDNODESENROLLMENTOKENHEAVY'"\
    "" >> "$pillar_file"

#Store Grid Nodes Enrollment token in Global pillar
global_pillar_file=/opt/so/saltstack/local/pillar/global/soc_global.sls
printf '%s\n'\
    "  fleet_grid_enrollment_token_general: '$GRIDNODESENROLLMENTOKENGENERAL'"\
    "  fleet_grid_enrollment_token_heavy: '$GRIDNODESENROLLMENTOKENHEAVY'"\
    "" >> "$global_pillar_file"

# Call Elastic-Fleet Salt State
salt-call state.apply elasticfleet queue=True

# Generate installers & install Elastic Agent on the node
so-elastic-agent-gen-installers
salt-call state.apply elasticfleet.install_agent_grid queue=True