amazon rds - Cloud Formation RDS "Specified OptionGroupName: devrdsoptiongroup not found" -

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i'm working on cloud formation template restore existing db snapshot looks this:

    "devdatabaseservice" : {        "type" : "aws::rds::dbinstance",        "properties" : {           "allocatedstorage" : "200" ,           "dbinstanceclass" : "db.m3.medium",           "dbsnapshotidentifier" : "snapshot-to-restor",           "iops" : 1000,         "dbsubnetgroupname" : { "ref" : "devdbsubnetgroup" },           "engine" : "sqlserver-se",           "engineversion" : "11.00.2100.60.v1",           "licensemodel" : "license-included",           "masterusername" : "admin",           "masteruserpassword" : { "ref" : "dbpassword" },           "storageencrypted" : "true",           "tags" : [ { "key" : "name", "value" : "devdatabase" } ],             "publiclyaccessible" : true,           "vpcsecuritygroups" : [ { "fn::getatt": [ "devdbsecuritygroup", "groupid" ] } ],             "optiongroupname": "devrdsoptiongroup"}         }         "dependson": "devrdsoptiongroup"     },     "devrdsoptiongroup" : {       "type" : "aws::rds::optiongroup",       "properties" : {         "enginename" : "sqlserver-se",         "majorengineversion" : "11.00",         "optiongroupdescription" : "devrdsoptiongroup",         "optionconfigurations" : [],         "tags" : [ {"key" : "name", "value" : "devrdsoptiongroup"} ]       }     }

sadly, stack creation fails error: "specified optiongroupname: devrdsoptiongroup not found"

if create , reference optiongroup "manually" (e.g. through console) works fine. have noticed optiongroup being created prior attempting create dbinstance.

what doing wrong?

try changing 

"optiongroupname": "devrdsoptiongroup"

to 

"optiongroupname": {"ref" : "devrdsoptiongroup" }

i believe name tag you're trying put on devrdsoptiongroup resource doesn't - whereas if reference created resource, should provide name of optiongroup, per aws docs.


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