AWS tags - convert a json key value {"foo": "bar", "baz": "qux"} to [{ "Key": "foo", "Value": "bar"}, {"Key": "baz", "qux"}]

convert_jq_key_value_to_aws_tags_array.sh

#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

TAGS_JSON=$(
cat <<EOF
{
    "foo": "bar",
    "baz": "qux"
}
EOF
)
# convert to Key, Value
TAGS="$(echo "$TAGS_JSON" | jq -r 'to_entries | map("\"Key\":\"\(.key)\",\"Value\":\"\(.value)\"") | join("\n")')"

# convert to array
TAGS=$(echo "${TAGS}" | sed 's/^/\{/;s/$/\},/' | tr -d '\n' | sed 's/,$//')
TAGS="[${TAGS}]"

# output (valid json)
echo "${TAGS}" | jq .