SSM(System-Manager-Parameterstore) in serverless.yml trying to retrieve parameter even on "Invoke local -f"

Serverless Framework
,
1

I’m trying to setup env variable using SSM for database credentials. I want to use 3 database credentials

  • local (in my machine)
  • dev (on cloud)
  • prod (on cloud)

I already setup this following

but the problem is, when I run “sls invoke local -f func_name --path input.json -s local” it works, it is using my local credentials of databse but also trying to retrieve dev and prod credentials with SSM.
When I turned my WIFI off , it gives error and function never runs.

this is my serverless.yml file

provider:
name: aws
runtime: python3.6
stage: ${opt:stage,‘dev’}

Environment Variables

environment:
MYSQL_HOST: ${self:custom.mysqlHost.${self:provider.stage}}
MYSQL_USER: ${self:custom.mysqlUser.${self:provider.stage}}
MYSQL_PASSWORD: ${self:custom.mysqlPassword.${self:provider.stage}}
MYSQL_DATABASE: ${self:custom.mysqlDatabase.${self:provider.stage}}
MYSQL_PORT: ${self:custom.mysqlPort.${self:provider.stage}}

plugins:

  • serverless-python-requirements
  • serverless-domain-manager
  • serverless-stage-manager

custom:
customDomain:
basePath: ‘user’
stage: ${self:provider.stage}
createRoute53Record: true

pythonRequirements:
fileName: requirements.txt
dockerizePip: true

stages:
- dev
- staging
- prod

mysqlHost:
local: localhost
dev: ${ssm:/myapp/database/dev/mysql-host~true} #get from ssm
#staging: ${ssm:/myapp/staging/mysql-host} #get from ssm
prod: ${ssm:/myapp/database/prod/mysql-host~true} #get from ssm

mysqlUser:
local: root
dev: ${ssm:/myapp/database/dev/mysql-username~true} #get from ssm
# staging: myapp_stag
prod: ${ssm:/myapp/database/prod/mysql-username~true} #get from ssm

mysqlPassword:
local: ‘’ # No Password
dev: ${ssm:/myapp/database/dev/mysql-password~true} #get from ssm
# staging: ${ssm:/myapp/staging/mysql-password~true} #get from ssm (secure)
prod: ${ssm:/myapp/database/prod/mysql-password~true} #get from ssm

mysqlDatabase:
local: dbname
dev: ${ssm:/myapp/database/dev/mysql-dbname~true} #get from ssm
# staging: myapp_staging
prod: ${ssm:/myapp/database/prod/mysql-dbname~true} #get from ssm

mysqlPort:
local: ‘3306’
dev: ‘3306’
staging: ‘3306’
prod: ‘3306’

2

You’re missing the dollar signs ($) in front of your ENVIRONMENT variables.

3

Thank You Jeremy for your time.
dollar () sign is there, but still it does not work offline. This editor not letting me add dollar () sign there. This is weird.