From b9157e29cb803e39448cf0ecd68f56e81076be5b Mon Sep 17 00:00:00 2001 From: Tim Dery Date: Wed, 31 Jan 2024 15:52:59 -0800 Subject: [PATCH] spacing cleanup --- dnsapi/dns_aws.sh | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/dnsapi/dns_aws.sh b/dnsapi/dns_aws.sh index c87a7012..855100aa 100755 --- a/dnsapi/dns_aws.sh +++ b/dnsapi/dns_aws.sh @@ -207,15 +207,14 @@ _use_container_role() { } _use_instance_role() { - # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-instance-metadata-service.html - # https://aws.amazon.com/blogs/security/get-the-full-benefits-of-imdsv2-and-disable-imdsv1-across-your-aws-infrastructure/ _instance_role_name_url="http://169.254.169.254/latest/meta-data/iam/security-credentials/" + if _get "$_instance_role_name_url" true 1 | _head_n 1 | grep -Fq 401; then _debug "Using IMDSv2" _token_url="http://169.254.169.254/latest/api/token" export _H1="X-aws-ec2-metadata-token-ttl-seconds: 21600" _token="$(_post "" "$_token_url" "" "PUT")" - _debug "_token" "$_token" + _secure_debug3 "_token" "$_token" if [ -z "$_token" ]; then _debug "Unable to fetch IMDSv2 token from instance metadata" return 1 @@ -227,9 +226,9 @@ _use_instance_role() { _debug "Unable to fetch IAM role from instance metadata" return 1 fi + _instance_role_name=$(_get "$_instance_role_name_url" "" 1) _debug "_instance_role_name" "$_instance_role_name" - _use_metadata "$_instance_role_name_url$_instance_role_name" "$_token" }