When you set ssh_keypair_name to server_key you also have to update
ssh_private_key_file. But from the logs it looks like you haven't done that.
On 22 February 2017 at 20:11, notmyrealname <claire.deacon...@gmail.com>
wrote:
> Packer v0.12.2
> Mac OS X 10.11.6
>
> As suggested, I've moved this from the Github issues page to here as this
> is probably the best place for it.
>
> Here are my 2 AWS key pairs on the host machine with sensible permissions:
>
> ls -l ~/.ssh | grep key
> -rw-------@ server_key.pem
> -rw-r--r-- server_key.pub
> -rw-------@ aws-key.pem
> -rw-r--r-- aws-key.pub
>
> Here they are existing in AWS:
>
> aws ec2 describe-key-pairs
> {
> "KeyPairs": [
> {
> "KeyName": "server_key",
> "KeyFingerprint": "xxxxxxxxxx"
> },
> {
> "KeyName": "aws-key",
> "KeyFingerprint": "xxxxxxxxxx"
> }
> ]
> }
>
> The build part of my packer.json. The ami is stock ubuntu.
>
> {
> "variables": {
> "env": null
> },
> "builders": [{
> "type": "amazon-ebs",
> "region": "eu-west-1",
> "source_ami": "ami-98ecb7fe",
> "instance_type": "t2.micro",
> "ssh_username": "ubuntu",
> "ssh_agent_auth": true,
> "ssh_keypair_name": "aws-key",
> "ami_name": "{{user `env`}}-server-{{isotime \"2006-01-02_15-04-05\"}}",
> "run_tags": {"Name": "{{user `env`}}-server"},
> "run_volume_tags": {"Name": "{{user `env`}}-server"}
> }]
> }
>
> Everything runs fine when I set "ssh_keypair_name": "aws-key" (full log
> <https://gist.github.com/newtonne/be9c1bf107eadf3e5ff1daad2a4f18be>)
>
> 2017/02/21 19:54:04 ui: ==> amazon-ebs: Using SSH Agent for existing key pair
> aws-key
> ==> amazon-ebs: Using SSH Agent for existing key pair aws-key
> 2017/02/21 19:54:04 ui: ==> amazon-ebs: Creating temporary security group for
> this instance...
> ...
> ...
> 2017/02/21 19:54:21 ui: ==> amazon-ebs: Waiting for SSH to become available...
> ==> amazon-ebs: Waiting for SSH to become available...
> 2017/02/21 19:54:36 packer: 2017/02/21 19:54:36 [DEBUG] TCP connection to SSH
> ip/port failed: dial tcp 34.249.20.107:22: i/o timeout
> 2017/02/21 19:54:41 packer: 2017/02/21 19:54:41 [DEBUG] TCP connection to SSH
> ip/port failed: dial tcp 34.249.20.107:22: getsockopt: connection refused
> 2017/02/21 19:54:46 packer: 2017/02/21 19:54:46 [INFO] Attempting SSH
> connection...
> 2017/02/21 19:54:46 packer: 2017/02/21 19:54:46 reconnecting to TCP
> connection for SSH
> 2017/02/21 19:54:46 packer: 2017/02/21 19:54:46 handshaking with SSH
> 2017/02/21 19:54:46 packer: 2017/02/21 19:54:46 handshake complete!
> 2017/02/21 19:54:46 packer: 2017/02/21 19:54:46 opening new ssh session
> 2017/02/21 19:54:47 packer: 2017/02/21 19:54:47 [INFO] agent forwarding
> enabled
> 2017/02/21 19:54:47 ui: ==> amazon-ebs: Connected to SSH!
>
> However, for any new keys that I create and then set as my
> "ssh_keypair_name" (in this case "server_key"), I get the following ssh
> authentication error: (full log
> <https://gist.github.com/newtonne/0c2ed30182e058fcac18f2217f21c494>)
>
> 2017/02/21 19:50:59 ui: ==> amazon-ebs: Using SSH Agent for existing key pair
> server_key
> 2017/02/21 19:50:59 ui: ==> amazon-ebs: Creating temporary security group for
> this instance...
> ==> amazon-ebs: Using SSH Agent for existing key pair server_key
> ...
> ...
> 2017/02/21 19:51:16 ui: ==> amazon-ebs: Waiting for SSH to become available...
> ==> amazon-ebs: Waiting for SSH to become available...
> 2017/02/21 19:51:31 packer: 2017/02/21 19:51:31 [DEBUG] TCP connection to SSH
> ip/port failed: dial tcp 34.251.38.229:22: i/o timeout
> 2017/02/21 19:51:39 packer: 2017/02/21 19:51:39 [DEBUG] TCP connection to SSH
> ip/port failed: dial tcp 34.251.38.229:22: getsockopt: connection refused
> 2017/02/21 19:51:44 packer: 2017/02/21 19:51:44 [DEBUG] TCP connection to SSH
> ip/port failed: dial tcp 34.251.38.229:22: getsockopt: connection refused
> 2017/02/21 19:51:49 packer: 2017/02/21 19:51:49 [INFO] Attempting SSH
> connection...
> 2017/02/21 19:51:49 packer: 2017/02/21 19:51:49 reconnecting to TCP
> connection for SSH
> 2017/02/21 19:51:49 packer: 2017/02/21 19:51:49 handshaking with SSH
> 2017/02/21 19:51:50 packer: 2017/02/21 19:51:50 handshake error: ssh:
> handshake failed: ssh: unable to authenticate, attempted methods [publickey
> none], no supported methods remain
> 2017/02/21 19:51:50 packer: 2017/02/21 19:51:50 [DEBUG] SSH handshake err:
> ssh: handshake failed: ssh: unable to authenticate, attempted methods
> [publickey none], no supported methods remain
> 2017/02/21 19:51:50 packer: 2017/02/21 19:51:50 [DEBUG] Detected
> authentication error. Increasing handshake attempts.
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 [INFO] Attempting SSH
> connection...
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 reconnecting to TCP
> connection for SSH
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 handshaking with SSH
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 handshake error: ssh:
> handshake failed: ssh: unable to authenticate, attempted methods [none
> publickey], no supported methods remain
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 [DEBUG] SSH handshake err:
> ssh: handshake failed: ssh: unable to authenticate, attempted methods [none
> publickey], no supported methods remain
> 2017/02/21 19:51:57 packer: 2017/02/21 19:51:57 [DEBUG] Detected
> authentication error. Increasing handshake attempts.
>
>
> Also, whilst the instance is up, I am able to SSH into it (note that the
> IP address is different to the above failed log as it was a different
> failed build):
>
>
> ssh ubuntu@34.250.136.97 -i ~/.ssh/server_key.pem
> The authenticity of host '34.250.136.97 (34.250.136.97)' can't be established.
> ECDSA key fingerprint is xxxxxx.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added '34.250.136.97' (ECDSA) to the list of known hosts.
> Welcome to Ubuntu 16.04.1 LTS (GNU/Linux 4.4.0-62-generic x86_64)
>
> * Documentation: https://help.ubuntu.com
> * Management: https://landscape.canonical.com
> * Support: https://ubuntu.com/advantage
>
> Get cloud support with Ubuntu Advantage Cloud Guest:
> http://www.ubuntu.com/business/services/cloud
>
> 0 packages can be updated.
> 0 updates are security updates.
>
>
> Any idea what's going on here or what I could try?
>
> Thanks.
>
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