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Add --url flag to ec2-metadata to override metadata-server #39

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Add --url flag to ec2-metadata to override metadata-server #39

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d1b6077
Add --url flag to ec2-metadata to override metadata-server
retpolanne Aug 28, 2024
474123b
Fix url parsing and check imds later
retpolanne Aug 29, 2024
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15 changes: 10 additions & 5 deletions ec2-metadata
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@ Options:
-s/--security-groups Names of the security groups the instance is launched in. Only available if supplied at instance launch time
-d/--user-data User-supplied data.Only available if supplied at instance launch time.
-g/--tags Tags assigned to this instance.
--quiet Suppress tag keys from the output."
--quiet Suppress tag keys from the output.
--url Override base URL for metadata server (default http://169.254.169.254)"
}

METADATA_BASEURL="http://169.254.169.254"
Expand Down Expand Up @@ -156,9 +157,6 @@ function print_all()
print_tags
}

#check if run inside an EC2 instance
set_imds_token

#command called in default mode
if [ "$#" -eq 0 ]; then
print_all
Expand All @@ -169,7 +167,7 @@ shortopts=almnbithokzPcpvuresdgR
longopts=(ami-id ami-launch-index ami-manifest-path ancestor-ami-ids block-device-mapping
instance-id instance-type local-hostname local-ipv4 kernel-id availability-zone
partition product-codes public-hostname public-ipv4 public-keys ramdisk-id
reservation-id security-groups user-data tags region help all quiet)
reservation-id security-groups user-data tags region help all quiet url:)

oldIFS="$IFS"
IFS=,
Expand All @@ -192,6 +190,10 @@ while true; do
--quiet)
QUIET=1 ; shift
;;
--url)
shift
METADATA_BASEURL=$1; shift
;;
--)
shift ; break
;;
Expand All @@ -207,6 +209,9 @@ while true; do
esac
done

#check if run inside an EC2 instance
set_imds_token

#start processing command line arguments
for action in "${actions[@]}"; do
case "$action" in
Expand Down