aws_internet_facing_elbs.pt

name "AWS Internet-Accessible Elastic Load Balancers"
rs_pt_ver 20180301
type "policy"
short_description "Report any internet-accessible Elastic Load Balancers and, optionally, delete them. See the [README](https://github.com/flexera-public/policy_templates/tree/master/security/aws/loadbalancer_internet_facing) and [docs.flexera.com/flexera/EN/Automation](https://docs.flexera.com/flexera/EN/Automation/AutomationGS.htm) to learn more."
long_description ""
severity "high"
category "Security"
default_frequency "daily"
info(
  version: "4.0.2",
  provider: "AWS",
  service: "Network",
  policy_set: "",
  hide_skip_approvals: "true"
)

###############################################################################
# Parameters
###############################################################################

parameter "param_email" do
  type "list"
  category "Policy Settings"
  label "Email Addresses"
  description "Email addresses of the recipients you wish to notify."
  default []
end

parameter "param_aws_account_number" do
  type "string"
  category "Policy Settings"
  label "Account Number"
  description "Leave blank; this is for automated use with Meta Policies. See README for more details."
  default ""
end

parameter "param_regions_allow_or_deny" do
  type "string"
  category "Filters"
  label "Allow/Deny Regions"
  description "Allow or Deny entered regions. See the README for more details"
  allowed_values "Allow", "Deny"
  default "Allow"
end

parameter "param_regions_list" do
  type "list"
  category "Filters"
  label "Allow/Deny Regions List"
  description "A list of allowed or denied regions. See the README for more details"
  allowed_pattern /^([a-zA-Z-_]+-[a-zA-Z0-9-_]+-[0-9-_]+,*|)+$/
  default []
end

parameter "param_exclusion_tags" do
  type "list"
  category "Filters"
  label "Exclusion Tags"
  description "Cloud native tags to ignore resources that you don't want to produce recommendations for. Enter the Key name to filter resources with a specific Key, regardless of Value, and enter Key==Value to filter resources with a specific Key:Value pair. Other operators and regex are supported; please see the README for more details."
  default []
end

parameter "param_exclusion_tags_boolean" do
  type "string"
  category "Filters"
  label "Exclusion Tags: Any / All"
  description "Whether to filter instances containing any of the specified tags or only those that contain all of them. Only applicable if more than one value is entered in the 'Exclusion Tags' field."
  allowed_values "Any", "All"
  default "Any"
end

parameter "param_loadbalancer_types" do
  type "list"
  category "Filters"
  label "Load Balancer Types"
  description "A list of Load Balancer types to report on. Any types not specified here will be ignored in the results."
  allowed_values ["Application", "Classic"]
  default ["Application", "Classic"]
end

parameter "param_automatic_action" do
  type "list"
  category "Actions"
  label "Automatic Actions"
  description "When this value is set, this policy will automatically take the selected action(s)"
  allowed_values ["Delete Load Balancers"]
  default []
end

###############################################################################
# Authentication
###############################################################################

credentials "auth_aws" do
  schemes "aws", "aws_sts"
  label "AWS"
  description "Select the AWS Credential from the list"
  tags "provider=aws"
  aws_account_number $param_aws_account_number
end

credentials "auth_flexera" do
  schemes "oauth2"
  label "Flexera"
  description "Select Flexera One OAuth2 credentials"
  tags "provider=flexera"
end

###############################################################################
# Datasources & Scripts
###############################################################################

# Get applied policy metadata for use later
datasource "ds_applied_policy" do
  request do
    auth $auth_flexera
    host rs_governance_host
    path join(["/api/governance/projects/", rs_project_id, "/applied_policies/", policy_id])
    header "Api-Version", "1.0"
  end
end

# Get region-specific Flexera API endpoints
datasource "ds_flexera_api_hosts" do
  run_script $js_flexera_api_hosts, rs_optima_host
end

script "js_flexera_api_hosts", type: "javascript" do
  parameters "rs_optima_host"
  result "result"
  code <<-EOS
  host_table = {
    "api.optima.flexeraeng.com": {
      flexera: "api.flexera.com",
      fsm: "api.fsm.flexeraeng.com"
    },
    "api.optima-eu.flexeraeng.com": {
      flexera: "api.flexera.eu",
      fsm: "api.fsm-eu.flexeraeng.com"
    },
    "api.optima-apac.flexeraeng.com": {
      flexera: "api.flexera.au",
      fsm: "api.fsm-apac.flexeraeng.com"
    }
  }

  result = host_table[rs_optima_host]
EOS
end

# Get AWS account info
datasource "ds_cloud_vendor_accounts" do
  request do
    auth $auth_flexera
    host val($ds_flexera_api_hosts, 'flexera')
    path join(["/finops-analytics/v1/orgs/", rs_org_id, "/cloud-vendor-accounts"])
    header "Api-Version", "1.0"
  end
  result do
    encoding "json"
    collect jmes_path(response, "values[*]") do
      field "id", jmes_path(col_item, "aws.accountId")
      field "name", jmes_path(col_item, "name")
      field "tags", jmes_path(col_item, "tags")
    end
  end
end

datasource "ds_get_caller_identity" do
  request do
    auth $auth_aws
    host "sts.amazonaws.com"
    path "/"
    query "Action", "GetCallerIdentity"
    query "Version", "2011-06-15"
    header "User-Agent", "RS Policies"
  end
  result do
    encoding "xml"
    collect xpath(response, "//GetCallerIdentityResponse/GetCallerIdentityResult") do
      field "account", xpath(col_item, "Account")
    end
  end
end

datasource "ds_aws_account" do
  run_script $js_aws_account, $ds_cloud_vendor_accounts, $ds_get_caller_identity
end

script "js_aws_account", type:"javascript" do
  parameters "ds_cloud_vendor_accounts", "ds_get_caller_identity"
  result "result"
  code <<-EOS
  result = _.find(ds_cloud_vendor_accounts, function(account) {
    return account['id'] == ds_get_caller_identity[0]['account']
  })

  // This is in case the API does not return the relevant account info
  if (result == undefined) {
    result = {
      id: ds_get_caller_identity[0]['account'],
      name: "",
      tags: {}
    }
  }
EOS
end

datasource "ds_describe_regions" do
  request do
    auth $auth_aws
    host "ec2.amazonaws.com"
    path "/"
    query "Action", "DescribeRegions"
    query "Version", "2016-11-15"
    query "Filter.1.Name", "opt-in-status"
    query "Filter.1.Value.1", "opt-in-not-required"
    query "Filter.1.Value.2", "opted-in"
    # Header X-Meta-Flexera has no affect on datasource query, but is required for Meta Policies
    # Forces `ds_is_deleted` datasource to run first during policy execution
    header "Meta-Flexera", val($ds_is_deleted, "path")
  end
  result do
    encoding "xml"
    collect xpath(response, "//DescribeRegionsResponse/regionInfo/item", "array") do
      field "region", xpath(col_item, "regionName")
    end
  end
end

datasource "ds_regions" do
  run_script $js_regions, $ds_describe_regions, $param_regions_list, $param_regions_allow_or_deny
end

script "js_regions", type:"javascript" do
  parameters "ds_describe_regions", "param_regions_list", "param_regions_allow_or_deny"
  result "result"
  code <<-EOS
  allow_deny_test = { "Allow": true, "Deny": false }

  if (param_regions_list.length > 0) {
    result = _.filter(ds_describe_regions, function(item) {
      return _.contains(param_regions_list, item['region']) == allow_deny_test[param_regions_allow_or_deny]
    })
  } else {
    result = ds_describe_regions
  }
EOS
end

datasource "ds_clbs_without_tags" do
  iterate $ds_regions
  request do
    auth $auth_aws
    host join(["elasticloadbalancing.", val(iter_item, "region"), ".amazonaws.com"])
    path "/"
    query "Action", "DescribeLoadBalancers"
    # This API version used specifically to get classic LBs
    query "Version", "2012-06-01"
    header "Accept", "application/json"
  end
  result do
    encoding "json"
    collect jmes_path(response, "DescribeLoadBalancersResponse.DescribeLoadBalancersResult.LoadBalancerDescriptions[*]") do
      field "name", jmes_path(col_item, "LoadBalancerName")
      field "scheme", jmes_path(col_item, "Scheme")
      field "created", jmes_path(col_item, "CreatedTime")
      field "dns", jmes_path(col_item, "DNSName")
      field "vpc", jmes_path(col_item, "VPCId")
      field "zones", jmes_path(col_item, "AvailabilityZones")
      field "instances", jmes_path(col_item, "Instances[*].InstanceId")
      field "type", jmes_path(col_item, "Type")
      field "arn", jmes_path(col_item, "LoadBalancerArn")
      field "region", val(iter_item, "region")
      field "listenerDescriptions", jmes_path(col_item, "ListenerDescriptions")
    end
  end
end

datasource "ds_clbs" do
  iterate $ds_clbs_without_tags
  request do
    run_script $js_clbs, val(iter_item, 'region'), val(iter_item, 'name')
  end
  result do
    encoding "json"
    collect jmes_path(response, "DescribeTagsResponse.DescribeTagsResult.TagDescriptions[*]") do
      field "tags" do
        collect jmes_path(col_item, "Tags") do
          field "key", jmes_path(col_item, "Key")
          field "value", jmes_path(col_item, "Value")
        end
      end
      field "name", val(iter_item, "name")
      field "scheme", val(iter_item, "scheme")
      field "created", val(iter_item, "created")
      field "dns", val(iter_item, "dns")
      field "vpc", val(iter_item, "vpc")
      field "zones", val(iter_item, "zones")
      field "instances", val(iter_item, "instances")
      field "region", val(iter_item, "region")
      field "type", val(iter_item, "type")
      field "listenerDescriptions", val(iter_item, "listenerDescriptions")
    end
  end
end

script "js_clbs", type: "javascript" do
  parameters "region", "name"
  result "request"
  code <<-EOS
  var request = {
    auth: "auth_aws",
    host: "elasticloadbalancing." + region + ".amazonaws.com",
    path: "/",
    query_params: {
      "Action": "DescribeTags",
      "Version": "2012-06-01",
      "LoadBalancerNames.member.1": encodeURI(name)
    },
    headers: { "Accept": "application/json" }
  }
EOS
end

datasource "ds_elbs_without_tags" do
  iterate $ds_regions
  request do
    auth $auth_aws
    host join(["elasticloadbalancing.", val(iter_item, "region"), ".amazonaws.com"])
    path "/"
    query "Action", "DescribeLoadBalancers"
    # This API version used specifically to get non-classic LBs
    query "Version", "2015-12-01"
    header "Accept", "application/json"
  end
  result do
    encoding "json"
    collect jmes_path(response, "DescribeLoadBalancersResponse.DescribeLoadBalancersResult.LoadBalancers[*]") do
      field "name", jmes_path(col_item, "LoadBalancerName")
      field "scheme", jmes_path(col_item, "Scheme")
      field "created", jmes_path(col_item, "CreatedTime")
      field "dns", jmes_path(col_item, "DNSName")
      field "vpc", jmes_path(col_item, "VpcId")
      field "elb_zones" do
        collect jmes_path(col_item, "AvailabilityZones") do
          field "subnetId", jmes_path(col_item, "SubnetId")
          field "zoneName", jmes_path(col_item, "ZoneName")
        end
      end
      field "instances", jmes_path(col_item, "Instances[*].InstanceId")
      field "type", jmes_path(col_item, "Type")
      field "arn", jmes_path(col_item, "LoadBalancerArn")
      field "region", val(iter_item, "region")
    end
  end
end

datasource "ds_elbs" do
  iterate $ds_elbs_without_tags
  request do
    run_script $js_elbs, val(iter_item, 'region'), val(iter_item, 'arn')
  end
  result do
    encoding "json"
    collect jmes_path(response, "DescribeTagsResponse.DescribeTagsResult.TagDescriptions[*]") do
      field "tags" do
        collect jmes_path(col_item, "Tags") do
          field "key", jmes_path(col_item, "Key")
          field "value", jmes_path(col_item, "Value")
        end
      end
      field "name", val(iter_item, "name")
      field "scheme", val(iter_item, "scheme")
      field "created", val(iter_item, "created")
      field "dns", val(iter_item, "dns")
      field "vpc", val(iter_item, "vpc")
      field "elb_zones", val(iter_item, "elb_zones")
      field "instances", val(iter_item, "instances")
      field "region", val(iter_item, "region")
      field "type", val(iter_item, "type")
      field "arn", val(iter_item, "arn")
    end
  end
end

script "js_elbs", type: "javascript" do
  parameters "region", "arn"
  result "request"
  code <<-EOS
  var request = {
    auth: "auth_aws",
    host: "elasticloadbalancing." + region + ".amazonaws.com",
    path: "/",
    query_params: {
      "Action": "DescribeTags",
      "Version": "2015-12-01",
      "ResourceArns.member.1": encodeURI(arn)
    },
    headers: { "Accept": "application/json" }
  }
EOS
end

datasource "ds_lbs_tag_filtered" do
  run_script $js_lbs_tag_filtered, $ds_clbs, $ds_elbs, $param_exclusion_tags, $param_exclusion_tags_boolean
end

script "js_lbs_tag_filtered", type: "javascript" do
  parameters "ds_clbs", "ds_elbs", "param_exclusion_tags", "param_exclusion_tags_boolean"
  result "result"
  code <<-'EOS'
  comparators = _.map(param_exclusion_tags, function(item) {
    if (item.indexOf('==') != -1) {
      return { comparison: '==', key: item.split('==')[0], value: item.split('==')[1], string: item }
    }

    if (item.indexOf('!=') != -1) {
      return { comparison: '!=', key: item.split('!=')[0], value: item.split('!=')[1], string: item }
    }

    if (item.indexOf('=~') != -1) {
      value = item.split('=~')[1]
      regex = new RegExp(value.slice(1, value.length - 1))
      return { comparison: '=~', key: item.split('=~')[0], value: regex, string: item }
    }

    if (item.indexOf('!~') != -1) {
      value = item.split('!~')[1]
      regex = new RegExp(value.slice(1, value.length - 1))
      return { comparison: '!~', key: item.split('!~')[0], value: regex, string: item }
    }

    // If = is present but none of the above are, assume user error and that the user intended ==
    if (item.indexOf('=') != -1) {
      return { comparison: '==', key: item.split('=')[0], value: item.split('=')[1], string: item }
    }

    // Assume we're just testing for a key if none of the comparators are found
    return { comparison: 'key', key: item, value: null, string: item }
  })

  if (param_exclusion_tags.length > 0) {
    result = _.reject(ds_clbs.concat(ds_elbs), function(resource) {
      resource_tags = {}

      if (typeof(resource['tags']) == 'object') {
        _.each(resource['tags'], function(tag) {
          resource_tags[tag['key']] = tag['value']
        })
      }

      // Store a list of found tags
      found_tags = []

      _.each(comparators, function(comparator) {
        comparison = comparator['comparison']
        value = comparator['value']
        string = comparator['string']
        resource_tag = resource_tags[comparator['key']]

        if (comparison == 'key' && resource_tag != undefined) { found_tags.push(string) }
        if (comparison == '==' && resource_tag == value) { found_tags.push(string) }
        if (comparison == '!=' && resource_tag != value) { found_tags.push(string) }

        if (comparison == '=~') {
          if (resource_tag != undefined && value.test(resource_tag)) { found_tags.push(string) }
        }

        if (comparison == '!~') {
          if (resource_tag == undefined) { found_tags.push(string) }
          if (resource_tag != undefined && value.test(resource_tag)) { found_tags.push(string) }
        }
      })

      all_tags_found = found_tags.length == comparators.length
      any_tags_found = found_tags.length > 0 && param_exclusion_tags_boolean == 'Any'

      return all_tags_found || any_tags_found
    })
  } else {
    result = ds_clbs.concat(ds_elbs)
  }
EOS
end

datasource "ds_lbs_type_filtered" do
  run_script $js_lbs_type_filtered, $ds_lbs_tag_filtered, $param_loadbalancer_types
end

script "js_lbs_type_filtered", type: "javascript" do
  parameters "ds_lbs_tag_filtered", "param_loadbalancer_types"
  result "result"
  code <<-'EOS'
  lb_types = _.map(param_loadbalancer_types, function(type) { return type.toLowerCase() })

  result = _.filter(ds_lbs_tag_filtered, function(lb) {
    type = "classic"
    if (typeof(lb['type']) == 'string' && lb['type'] != '') { type = lb['type'] }
    return _.contains(lb_types, type)
  })
EOS
end

datasource "ds_elb_listeners" do
  iterate $ds_elbs
  request do
    auth $auth_aws
    host join(["elasticloadbalancing.", val(iter_item, "region"), ".amazonaws.com"])
    path "/"
    query "Action", "DescribeListeners"
    query "Version", "2015-12-01"
    query "LoadBalancerArn", val(iter_item, "arn")
    header "Accept", "application/json"
  end
  result do
    encoding "json"
    collect jmes_path(response, "DescribeListenersResponse.DescribeListenersResult.Listeners[*]") do
      field "protocol", jmes_path(col_item, "Protocol")
      field "port", jmes_path(col_item, "Port")
      field "arn", val(iter_item, "arn")
    end
  end
end

datasource "ds_internet_facing_lbs" do
  run_script $js_internet_facing_lbs, $ds_lbs_type_filtered, $ds_elb_listeners, $ds_aws_account, $ds_applied_policy
end

script "js_internet_facing_lbs", type: "javascript" do
  parameters "ds_lbs_type_filtered", "ds_elb_listeners", "ds_aws_account", "ds_applied_policy"
  result "result"
  code <<-'EOS'
  listener_table = _.groupBy(ds_elb_listeners, 'arn')

  cleaned_lbs = _.map(ds_lbs_type_filtered, function(lb) {
    type = "classic"
    if (typeof(lb['type']) == 'string' && lb['type'] != '') { type = lb['type'] }

    zones = lb['zones']
    if (lb['elb_zones'] != undefined) { zones = _.uniq(_.pluck(lb['elb_zones'], 'zoneName')) }

    tags = []

    if (typeof(lb['tags']) == 'object') {
      tags = _.map(lb['tags'], function(tag) { return tag['key'] + '=' + tag['value'] })
    }

    instances = ""

    if (typeof(lb['instances']) == 'object') {
      instances = lb['instances'].join(', ')
    }

    created = new Date(Math.round(lb['created'] * 1000)).toISOString()

    if (type == "classic") {
      listeners = _.map(_.pluck(lb['listenerDescriptions'], 'Listener'), function(listener) {
        return listener['Protocol'] + ':' + listener['LoadBalancerPort']
      })
    } else {
      listeners = _.map(listener_table[lb['arn']], function(listener) {
        return listener['protocol']  + ':' + listener['port']
      })
    }

    return {
      accountID: ds_aws_account['id'],
      accountName: ds_aws_account['name'],
      resourceID: lb['name'],
      scheme: lb['scheme'],
      dns: lb['dns'],
      vpc: lb['vpc'],
      instances: lb['instances'],
      region: lb['region'],
      resourceARN: lb['arn'],
      type: type,
      zones: zones,
      tags: tags.join(', '),
      instances: instances,
      created: created,
      listeners: listeners.join(', '),
      policy_name: ds_applied_policy['name'],
      service: "ELB"
    }
  })

  result = _.filter(cleaned_lbs, function(lb) { return lb['scheme'] == 'internet-facing' })

  // Dummy entry to ensure validation occurs at least once
  result.push({
    accountID: "",
    accountName: "",
    resourceID: "",
    scheme: "",
    dns: "",
    vpc: "",
    instances: "",
    region: "",
    resourceARN: "",
    type: "",
    zones: "",
    tags: "",
    instances: "",
    created: "",
    listeners: "",
    policy_name: "",
    service: ""
  })
EOS
end

###############################################################################
# Policy
###############################################################################

policy "pol_internet_facing_lbs" do
  validate_each $ds_internet_facing_lbs do
    summary_template "{{ with index data 0 }}{{ .policy_name }}{{ end }}: {{ len data }} AWS Internet-Accessible Elastic Load Balancers Found"
    check logic_or($ds_parent_policy_terminated, eq(val(item, "resourceID"), ""))
    escalate $esc_email
    escalate $esc_delete_lbs
    hash_exclude "instances", "tags", "listeners", "dns"
    export do
      resource_level true
      field "accountID" do
        label "Account ID"
      end
      field "accountName" do
        label "Account Name"
      end
      field "resourceID" do
        label "Resource Name"
      end
      field "resourceARN" do
        label "Resource ARN"
      end
      field "tags" do
        label "Resource Tags"
      end
      field "dns" do
        label "DNS Name"
      end
      field "type" do
        label "Type"
      end
      field "region" do
        label "Region"
      end
      field "listeners" do
        label "Listeners"
      end
      field "zones" do
        label "Availability Zones"
      end
      field "instances" do
        label "Attached Instances"
      end
      field "vpc" do
        label "VPC"
      end
      field "created" do
        label "Creation Date"
      end
      field "service" do
        label "Service"
      end
      field "id" do
        label "ID"
        path "resourceID"
      end
    end
  end
end

###############################################################################
# Escalations
###############################################################################

escalation "esc_email" do
  automatic true
  label "Send Email"
  description "Send incident email"
  email $param_email
end

escalation "esc_delete_lbs" do
  automatic contains($param_automatic_action, "Delete Load Balancers")
  label "Delete Load Balancers"
  description "Approval to delete all selected instances"
  run "delete_lbs", data
end

###############################################################################
# Cloud Workflow
###############################################################################

define delete_lbs($data) return $all_responses do
  $$all_responses = []

  foreach $lb in $data do
    sub on_error: handle_error() do
      call delete_lb($lb) retrieve $response
    end
  end

  if inspect($$errors) != "null"
    raise join($$errors, "\n")
  end
end

define delete_lb($lb) return $response do
  $query_strings = { "Action": "DeleteLoadBalancer" }

  if $lb["type"] == "classic"
    $field = "LoadBalancerName"
    $id = $item["resourceID"]
    $api_version = "2012-06-01"

    $query_strings["LoadBalancerName"] = $id
    $query_strings["Version"] = $api_version
  else
    $field = "LoadBalancerArn"
    $id = $item["resourceARN"]
    $api_version = "2015-12-01"

    $query_strings["LoadBalancerArn"] = $id
    $query_strings["Version"] = $api_version
  end

  $host = "elasticloadbalancing." + $lb["region"] + ".amazonaws.com"
  $href = "/"
  $params = "?Action=DeleteLoadBalancer&Version=" + $api_version + "&" + $field + "=" + $id
  $url = $host + $href + $params
  task_label("GET " + $url)

  $response = http_request(
    auth: $$auth_aws,
    https: true,
    verb: "get",
    host: $host,
    href: $href,
    query_strings: $query_strings
  )

  task_label("GET AWS Elastic Load Balancer response: " + $id + " " + to_json($response))
  $$all_responses << to_json({"req": "GET " + $url, "resp": $response})

  if $response["code"] != 204 && $response["code"] != 202 && $response["code"] != 200
    raise "Unexpected response from GET AWS Elastic Load Balancer: " + $id + " " + to_json($response)
  else
    task_label("GET AWS Elastic Load Balancer successful: " + $id)
  end
end

define handle_error() do
  if !$$errors
    $$errors = []
  end
  $$errors << $_error["type"] + ": " + $_error["message"]
  # We check for errors at the end, and raise them all together
  # Skip errors handled by this definition
  $_error_behavior = "skip"
end

###############################################################################
# Meta Policy [alpha]
# Not intended to be modified or used by policy developers
###############################################################################

# If the meta_parent_policy_id is not set it will evaluate to an empty string and we will look for the policy itself,
# if it is set we will look for the parent policy.
datasource "ds_get_policy" do
  request do
    auth $auth_flexera
    host rs_governance_host
    ignore_status [404]
    path join(["/api/governance/projects/", rs_project_id, "/applied_policies/", switch(ne(meta_parent_policy_id, ""), meta_parent_policy_id, policy_id)])
    header "Api-Version", "1.0"
  end
  result do
    encoding "json"
    field "id", jmes_path(response, "id")
  end
end

datasource "ds_parent_policy_terminated" do
  run_script $js_decide_if_self_terminate, $ds_get_policy, policy_id, meta_parent_policy_id
end

# If the policy was applied by a meta_parent_policy we confirm it exists if it doesn't we confirm we are deleting
# This information is used in two places:
# - determining whether or not we make a delete call
# - determining if we should create an incident (we don't want to create an incident on the run where we terminate)
script "js_decide_if_self_terminate", type: "javascript" do
  parameters "found", "self_policy_id", "meta_parent_policy_id"
  result "result"
  code <<-EOS
  var result
  if (meta_parent_policy_id != "" && found.id == undefined) {
    result = true
  } else {
    result = false
  }
  EOS
end

# Two potentials ways to set this up:
# - this way and make a unneeded 'get' request when not deleting
# - make the delete request an interate and have it iterate over an empty array when not deleting and an array with one item when deleting
script "js_make_terminate_request", type: "javascript" do
  parameters "should_delete", "policy_id", "rs_project_id", "rs_governance_host"
  result "request"
  code <<-EOS

  var request = {
    auth:  'auth_flexera',
    host: rs_governance_host,
    path: "/api/governance/projects/" + rs_project_id + "/applied_policies/" + policy_id,
    headers: {
      "API-Version": "1.0",
      "Content-Type":"application/json"
    },
  }

  if (should_delete) {
    request.verb = 'DELETE'
  }
  EOS
end

datasource "ds_terminate_self" do
  request do
    run_script $js_make_terminate_request, $ds_parent_policy_terminated, policy_id, rs_project_id, rs_governance_host
  end
end

datasource "ds_is_deleted" do
  run_script $js_check_deleted, $ds_terminate_self
end

# This is just a way to have the check delete request connect to the farthest leaf from policy.
# We want the delete check to the first thing the policy does to avoid the policy erroring before it can decide whether or not it needs to self terminate
# Example a customer deletes a credential and then terminates the parent policy. We still want the children to self terminate
# The only way I could see this not happening is if the user who applied the parent_meta_policy was offboarded or lost policy access, the policies who are impersonating the user
# would not have access to self-terminate
# It may be useful for the backend to enable a mass terminate at some point for all meta_child_policies associated with an id.
script "js_check_deleted", type: "javascript" do
  parameters "response"
  result "result"
  code <<-EOS
  result = {"path":"/"}
  EOS
end