Export SSM Parameters to Environment Variables and Append to .bashrc

get-ssm-parameters.sh

#======================#
# Without dependencies #
#======================#

#!/bin/bash

# This script will export all SSM parameters under a given path as environment variables
# It will also append the export statements to the ~/.bashrc file so that they are available on future logins

# Set some parameters
APP="myapp"
SERVICE="api"
ENVIRONMENT="production"
REGION="us-east-1"

# Set the SSM path
SSM_PATH="/$APP/$SERVICE/$ENVIRONMENT"

# Get all SSM parameter names under the given path
SSM_PARAMETER_NAMES=$(aws ssm get-parameters-by-path \
  --region $REGION \
  --path "$SSM_PATH" \
  --recursive \
  --with-decryption \
  --query 'Parameters[].Name' \
  --output text)

# Loop through each parameter and export it as an environment variable
for name in $SSM_PARAMETER_NAMES; do
  value=$(aws ssm get-parameter \
    --region $REGION \
    --name $name \
    --with-decryption \
    --query 'Parameter.Value' \
    --output text)
  if [ ! -z "$name" ] && [ ! -z "$value" ]; then
    name=$(echo $name | awk -F/ '{print toupper($NF)}')
    export "$name"="$value"
    echo "Exported variable: $name=$value"
    echo "export $name=$value" >> ~/.bashrc
  fi
done

# Reload the bashrc file
source ~/.bashrc


#======================#
#    With jq library   #
#======================#

#!/bin/bash

# This script will export all SSM parameters under a given path as environment variables
# It will also append the export statements to the ~/.bashrc file so that they are available on future logins

# Set some parameters
APP="myapp"
SERVICE="api"
ENVIRONMENT="production"
REGION="us-east-1"

# Set the SSM path
SSM_PATH="/$APP/$SERVICE/$ENVIRONMENT"

# Get all SSM parameters under the given path
SSM_PARAMETERS=$(aws ssm get-parameters-by-path \
  --region $REGION \
  --path "$SSM_PATH" \
  --recursive \
  --with-decryption \
  --query 'Parameters[*].{Name:Name,Value:Value}' \
  --output json)

# Loop through each parameter and export it as an environment variable
echo "$SSM_PARAMETERS" | jq -r '.[] | @json' | while IFS= read -r parameter; do
  name=$(echo "$parameter" | jq -r '.Name' | awk -F/ '{print toupper($NF)}')
  value=$(echo "$parameter" | jq -r '.Value')
  if [ ! -z "$name" ] && [ ! -z "$value" ]; then
    export "$name"="$value"
    echo "Exported variable: $name=$value"
    echo "export $name=$value" >> ~/.bashrc
  fi
done

# Reload the bashrc file
source ~/.bashrc