I'm trying to create an AMI (for Jenkins master in this case), and I have
the following Packer template, which as you see needs an SSH_PRIVATE_KEY.
{
"variables" : {
"aws_access_key" : "{{ env `AWS_ACCESS_KEY` }}",
"aws_secret_key" : "{{ env `AWS_SECRET_KEY` }}",
"ssh_private_key" : "{{ env `SSH_PRIVATE_KEY` }}",
"aws_ami_us_east_1" : "{{ env `AWS_BASE_AMI` }}",
"jenkins_master_image_version" : "{{ env `JENKINS_MASTER_IMAGE_VERSION`
}}"
},
"builders" : [...],
"provisioners" : [...]
}
I invoke packer in a pipeline, like this
stage("Create Jenkins AMI") {
steps {
script {
withCredentials([sshUserPrivateKey(credentialsId: "ec2-user-ssh",
keyFileVariable: "SSH_PRIVATE_KEY")]) {
dir("$env.WORKSPACE/deployment/jenkins/packer") {
sh """
export AWS_BASE_AMI=`aws ec2 describe-images \
--owners amazon \
--filters
"Name=name,Values=amzn2-ami-hvm-2.0.*.?-x86_64-gp2"
"Name=state,Values=available" \
--query "reverse(sort_by(Images,
&CreationDate))[:1].ImageId" \
--output text` \
&& export
JENKINS_MASTER_IMAGE_VERSION=$env.JENKINS_VERSION \
&& packer build jenkins-ami-master.json
"""
}
}
}
}
}
Packer builds the temporary instance but fails to ssh to it, and hence
can't run my provisioners. what am i missing?
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