scripts/lua/management/lib/resources.lua

-- Copyright (c) 2016 IBM. All rights reserved.
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--- @module resources
-- Management interface for resources for the gateway

local redis = require "lib/redis"
local utils = require "lib/utils"

local REDIS_FIELD = "resources"
local _M = {}

--- Helper function for adding a resource to redis and creating an nginx conf file
-- @param red
-- @param resource
-- @param gatewayPath
-- @param tenantObj
function _M.addResource(red, resource, gatewayPath, tenantObj)
  -- Create resource object and add to redis
  local redisKey = utils.concatStrings({"resources:", tenantObj.id, ":", gatewayPath})
  local operations = resource.operations
  local apiId = resource.apiId
  local cors = resource.cors
  local resourceObj = redis.generateResourceObj(operations, apiId, tenantObj, cors)
  redis.createResource(red, redisKey, REDIS_FIELD, resourceObj)
  local indexKey = utils.concatStrings({"resources:", tenantObj.id, ":__index__"})
  redis.addResourceToIndex(red, indexKey, redisKey)
end

--- Helper function for deleting resource in redis and appropriate conf files
-- @param red redis instance
-- @param gatewayPath path in gateway
-- @param tenantId tenant id
function _M.deleteResource(red, gatewayPath, tenantId)
  local redisKey = utils.concatStrings({"resources:", tenantId, ":", gatewayPath})
  redis.deleteResource(red, redisKey, REDIS_FIELD)
  local indexKey = utils.concatStrings({"resources:", tenantId, ":__index__"})
  redis.deleteResourceFromIndex(red, indexKey, redisKey)
end

return _M