terraform jsonencode desired output.json

# Two input variables (1 array of hashes, 1 hash)

[
  {
    "key1": "value1a",
    "key2": "value2a"
  },
  {
    "key1": "value1b",
    "key2": "value2b"
  },
  {
    "key1": "value1c",
    "key2": "value2c"
  }
]

{
  "keyname3a1": "value3a1",
  "keyname3a2": "value3a2"
}

# Desired output:
[
  { 
    "key0": "literal",
    "key1": "value1a",
    "key2": "value2a",
    "key3": [
      {
        "name": "keyname3a1", "value": "value3a1"
      },
      {
        "name": "keyname3a2", "value": "value3a2"
      }
    ]
  },
  { 
    "key0": "literal",
    "key1": "value1b",
    "key2": "value2b",
    "key3": [
      {
        "name": "keyname3a1", "value": "value3a1"
      },
      {
        "name": "keyname3a2", "value": "value3a2"
      }
    ]
  },
  { 
    "key0": "literal",
    "key1": "value1c",
    "key2": "value2c",
    "key3": [
      {
        "name": "keyname3a1", "value": "value3a1"
      },
      {
        "name": "keyname3a2", "value": "value3a2"
      }
    ]
  }
]