tfe-api

#!/bin/bash
# Usage: tfe-api <endpoint> [<jq filter>]

set -euo pipefail

if [ $# -lt 1 ] || [ -z "${TF_TOKEN_app_terraform_io:-}" ]; then
    [ $# -lt 1 ] && echo "Usage: tfe-api <endpoint> [<jq filter>]" >&2
    [ -z "${TF_TOKEN_app_terraform_io:-}" ] && echo "TF_TOKEN_app_terraform_io is not set" >&2
    exit 1
fi

RESOURCE="$1"

RESPONSE=""
NEXT_PAGE=""
while true; do

    if [ -n "$NEXT_PAGE" ]; then
        PAGE_ARGS=( "--url-query" "page[number]=$NEXT_PAGE" )
    else
        PAGE_ARGS=( )
    fi

    RESPONSE="$(
        curl -s "https://app.terraform.io/api/v2/$RESOURCE" \
            -H "Authorization: Bearer $TF_TOKEN_app_terraform_io" \
            "${PAGE_ARGS[@]}"
    )"

    if [ "$(jq -r '.data | type' <<< "$RESPONSE")" == "array" ]; then
        JQ_FILTER=".data[]"
    else
        JQ_FILTER=".data"
    fi

    if [ "$(jq -r 'has("included")' <<< "$RESPONSE")" == "true" ]; then
        JQ_FILTER="${JQ_FILTER},.included[]"
    fi

    if [ $# -eq 2 ]; then
        JQ_FILTER="$JQ_FILTER | $2"
    fi

    # on error, print error message and exit
    if [ "$(jq 'has("errors")' <<< "$RESPONSE")" == "true" ]; then
        jq '.' <<< "$RESPONSE" >&2
        exit 1
    fi

    # if pages more than 1, print page info
    if [ "$(jq -r '.meta | has("pagination")' <<< "$RESPONSE")" == "true" ]; then
        jq -r '.meta.pagination | "# Page " + (."current-page"|tostring) + " of " + (."total-pages"|tostring)' <<< "$RESPONSE" >&2
    fi

    jq -r "$JQ_FILTER" <<< "$RESPONSE"


    NEXT_PAGE="$(jq -r '.meta.pagination."next-page"' <<< "$RESPONSE")"
    if [ "$NEXT_PAGE" == "null" ]; then
        break
    fi

done