AWS Code Build : Packer build finished in time out. Impossible to retrieve the ec2 password

Hi,

I’m trying to build an ami with Packer via AWS Code Build. Unfortunately the build finished always by a timeout. The message is Build ‘xxxxxx-amibuilder’ errored after 21 minutes 21 seconds: Timeout waiting for password

Packer couldn’t retrieve the password. I’ve tried to launch manually a Ec2 from my golden ami and I was able to connect with a key-pair.

Below the code build logs:

==> altobasic-tenor-amibuilder: Prevalidating any provided VPC information
103 ==> altobasic-tenor-amibuilder: Prevalidating AMI Name: EUA-DV-TENOR-V1-ami-2021-10-10-21-21-35
104 altobasic-tenor-amibuilder: Found Image ID: ami-09a60634ac9249dfc
105 ==> altobasic-tenor-amibuilder: Creating temporary keypair: packer_61635ae1-f038-7b40-8e98-00c2e949e0e0
106 altobasic-tenor-amibuilder: Saving key for debug purposes: ec2_altobasic-tenor-amibuilder.pem
107 ==> altobasic-tenor-amibuilder: Launching a source AWS instance…
108 ==> altobasic-tenor-amibuilder: Adding tags to source instance
109 altobasic-tenor-amibuilder: Adding tag: “Name”: “packer-altobasic-tenor-ami-creation-ec2”
110 altobasic-tenor-amibuilder: Adding tag: “Author”: “Packer”
111 altobasic-tenor-amibuilder: Instance ID: i-0ebf260ed7fd8ee4b
112 ==> altobasic-tenor-amibuilder: Waiting for instance (i-0ebf260ed7fd8ee4b) to become ready…
113 altobasic-tenor-amibuilder: Private IP: 10.151.206.53
114 ==> altobasic-tenor-amibuilder: Waiting for auto-generated password for instance…
115 altobasic-tenor-amibuilder: It is normal for this process to take up to 15 minutes,
116 altobasic-tenor-amibuilder: but it usually takes around 5. Please wait.
117 ==> altobasic-tenor-amibuilder: Timeout waiting for password.
118 ==> altobasic-tenor-amibuilder: Terminating the source AWS instance…
119 ==> altobasic-tenor-amibuilder: Cleaning up any extra volumes…
120 ==> altobasic-tenor-amibuilder: Destroying volume (vol-06ba3dd3349b4a84c)…
121 ==> altobasic-tenor-amibuilder: Destroying volume (vol-017e57b51f141c4a2)…
122 ==> altobasic-tenor-amibuilder: Deleting temporary keypair…
123 Build ‘altobasic-tenor-amibuilder’ errored after 21 minutes 21 seconds: Timeout waiting for password.

Any insight?

Thanks.