Packer ssh key pair Skip to main content Skip to in-page navigation. g. After the unattended installation packer allows you to interact with the installed VM to run commands and adapt settings. CommConf if comm. ssh/authorized_keys" ssh_agent_auth = true When you've confirmed you're able to SSH into the instance using the new key pair, u can vi . 1 and none of them allowed me to use the temporary_key_pair_type key, but with Packer 1. ssh_keypair_name (string) - If specified, this is the key that will be used for SSH with the machine. y. Can you ssh to the vm? Then check firewall on machine running Packer and anywhere between. 98. ssh_private_key_file or ssh_agent_auth must be specified when ssh_keypair_name is utilized. 0 [go1. I have noticed a similar issue for the Amazon builder: Packer creates a temporary SSH key-pair (of which a . But the deployment of ubuntu 20 (as example) fails as temporary_key_pair_type = ed25519 isn't respected when using SSM - pair key created by packer still uses RSA resulting in failed connection. ssh_private_key_file or ssh_agent_auth must be specified when ssh_keypair_name is SSH connection fails with ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain while using custom ssh-key #156 Open rilla0308 opened this issue Apr 19, 2023 · 4 comments The AMI image is built by packer. ssh/mykey. ssh_key_exchange_algorithms ([]string) - If set, Packer will override the value of key The key must match a key pair name loaded up into the remote. Generates and returns a public/private key pair and populates the SSH public key resource with the public key. pem w. Closed dbilling The ssh communicator is the default communicator for a majority of builders, but depending on your builder it may not work "out of the box". Ubuntu) SSH with the default aws_key_pair. medium instance type, a bit expensive but it run everything quicker and you To run packer against this, "ssh_private_key_file": "~/. The private key must remain on the local computer ==> virtualbox-iso: Using SSH communicator to connect: 127. This assumes you want to use . If you are building from a cloud image (for example, building on Amazon), there is a good chance that your cloud provider has already preconfigured SSH on the image for you, meaning that all you have to do is configure the communicator in This is to fix an issue where the temporary_key_pair_name configuration option for amazon-ebs and amazon-instance builders would be ignored and replaced with an automatically generated value using UUID, even when the option was explicitly specified. Example key generation: Packer is unable to connect to ssh #6811. The CSR (signing request for your CA) will be output to . 28. Check that firewall on the vm. json (ubuntu-22. local is not fetching the appropriate authorized_keys from the instance metadata since the file already exists. 8. For more information on the difference between EBS-backed instances and instance-store backed instances, see the "storage for the root device" section in the EC2 documentation. amazon. On the AWS Console Right Panel choose the Key Pairs Option and click on the "Create Key Pair" Button. 7. Packer with built out integration with Hashi Vault. ssh/authorized_keys file, which is a security hole. Packer plugin for VMware vSphere Builder. You do not need this temporary key pair to access the resulting AMI. EXPECTED BEHAVIOUR: packer should use my_generated_one. 3. By default, this is blank, and Packer will generate a temporary keypair unless ssh_password is used. Packer By reading the SSH communicator documentation I understand that Packer allows you define a key pair for use with SSH through the “ssh_keypair_name” option, but I was Hi I’m new to packer and currently working on an automation tool. Really appreciate set ssh_private_key_file = 'my_generated_one. micro instance type, which can only run in a VPC environment (see T2 Instances). ssh_private_key_file (string) - Path to a PEM encoded private key file to use to This appears to indicate that packer creates an ephemeral SSH key pair for cloud-based builders. ssh_pwd priv_key_file keypair temp_keypair Packer should do. StepAction { ui:= state. In the ideal scenario in single packer pipeline, I’d want to Spin up an instance with an official base OS (ie. ssh, or you can specify you own keypair. instance_key: will be registered as an instance's SSH key pair see Input Variables also: null_resource. iso Regards Od: Evan Cox Wysłano: piątek, 24 marca, 22:32 Temat: Re: [mitchellh/packer] Hyper-v Ubuntu 16. check_ssh_connectivity_admin: to check SSH connectivity for Administrator, triggered by changing instance_id, if "var. json Because OpenSSH can use the right key exchange algorithm, I'm able to SSH onto the server and check its logs with ssh -l fedora -i os_builder. json file is configured as follows. 0 Initially, when using ssh-keygen, I could generate a public key that was compatible with AWS EC2, but had issues with creating private keys that were compatible. { "variables": { " 2016/12/17 20:10:57 handshaking with SSH 2016/12/17 20:10:59 packer: 2016/12/17 20:10:59 handshake error: ssh: handshake failed: ssh: unable to Does anyone know if its possible to switching to another SSH user in provisioner with the same key pair credentials? I am trying to remove the default user from the base OS and switch to my custom user to continue provisioning. 5. Overview of the Issue OpenSSH 8. Is it possible to ignore the ssh keypair specific during the EC2 creation page but only allow a specific ssh keypair to login? You could use CloudTrial to detect instance launch and terminate it immediately using lambda if it has any key-pair. 7, Packer supports a new packer init command allowing automatic installation of Packer plugins. This shows Dec 24 16:09:23 fedora35-test sshd[897]: userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth]. 90. pem instead of the temporary keypair. For the demo I used detect just to show you it connects. The key pairs are added to the ssh config TL;DR Try using the manually generated SSH key pair via AWS Console. 1-4 proxmox. 1 so you need to have the SSH service running if packer wants to make an SSH connection. This is the SSH public key as a line in OpenSSH authorized_keys format. pem” -var “profile=myaws” -var “region=ap-southeast-1” hcl/mytemplate. Create an SSH key pair whose name is set to the value of the ssh_keypair_name field in the ECS console and store the private key securely. packer_id_ed25519. I have added to the Packer template : ssh_clear_authorized_keys = true ssh_port = 22 ssh_username = "ubuntu" ssh_keypair_name = "shell-ireland" ssh_certificate_file = "~/. This does not work, and causes the same issue as Packer v1. Enter file in which to save the key (/home/ username /. My first suggestion would be to change packer so that if ssh_private_key_file is specified, the value of temporary_key_pair_name is the name of an existing keypair to pass to the instance at start time. Since you are in a VPC, by default all traffics is behind the firewall, so you'll need to setup a Security Groups to allow your IP to access the SSH port on that instance. Type: amazon-ebsvolume Artifact BuilderId: mitchellh. Home About Contact Us DNS Servers All Tools. Kenster's answer got you past your initial question, but it sounds like from your comment that you were still stuck. 6_x5. Otherwise as it is today, this feature doesn't packer build -var “ssh_private_key_file=/Users/movmac024/. I found a way to get This is how Packer will work if don't specify any winrm_password, and if you don't specify any ssh_keypair_name and no ssh_private_key_file Packer will create a temporary keypair. e. 2023/12/23 01:34:33 packer-plugin-proxmox_v1. My question is: Would the packer maintainers be open to an enhancement to the VirtualBox builder so that, like the cloud builders, it creates a fresh SSH key pair during the build? The public key would be accessible via a template variable so It's possible now to specify a key to use instead of a generated key for amazon EBS builders. 1 Python: 3. They work in pairs: we always have a public and a private key. When creating my template vm on proxmox to provision it with ansible it fails to connect with ssh key. Copy the Security Group ID we need it for our Packer Template . Anyway, shouldn't packer ansible provisioner be able to establish an SSH connection without "manual" interference even when the user passes the SSH communicator a password instead of an SSH key file? Thanks in advance! Connect and share knowledge within a single location that is structured and easy to search. Parameters used to connect to an ECS instance by using an SSH key pair and the private IP address of the instance. As you can see, it has SSH_PRIVATE_KEY variable. 0_linux_amd64 plugin: 2023/12/23 01:34:33 using token auth ==> proxmox-clone. But I do In order for packer to not create the temporary key, you need to either bake the "provisioning key" into the AMI or have it exist on AWS ahead of time. When packer version was packer version: Packer v1. Remove space from the auto-generated SSH key-pair name. Select SSH Key Algorithm. json is in the bottom of this github issue) trying to use packer SSH key pair automation. Alternatively, just generate a self-signed cert. 17. Note . The permission DescribeSecurityGroups is still required, because Packer uses it to verify whether and my understanding is, AWS has created a private key(ec2_amazon-ebs. 2) #8993. Read the Packer documentation for more information. 6 I have the following Packer template, which creates an AMI for Jenkins. pem) for packer to talk to EC2 instance in passwordless way, as mentioned in above steps. To use this option with a key pair already configured in the source AMI, leave the ssh_keypair_name blank. If gets an ip address make sure that ssh server is up and running. z journalctl -u sshd. Closed csamarajeewa opened this issue Oct 4, 2020 · 5 comments This ticket refers to the temporary public ssh key packer adds to the host on startup for provisioning. StateBag) multistep. When a private key is provided using ssh_private_key_file, the key's corresponding public key can be accessed using the above engine. Windows firewall has blocked access to Packer's http server for me before. I have 80% of the updated keys directed to vault. pub. yaml under your ssh: block. OBSERVED BEHAVIOUR: packer ignores the ssh_private_key_file directive and tries to use the one from the temporary AWS keypair. Yes, using ed25519 instead of RSA SSH key was what I had to do, when I replaced Overview of the Issue Despite of ssh_agent_auth=True in communicator options, packer creates temporary key pair and distribute it as an argument to the ansible during the provision stage: amazon-ebs: fatal: [172. The argument provided with the -f flag creates the key in the current directory and creates two files called tf-packer and tf-packer. This builder creates EBS volumes by launching an EC2 instance from a source AMI. 04. pem file is the private half). The builders can inject the current SSH key pair's public key into the template using the SSHPublicKey template engine. I agree with interactive entering of ssh credentials is not Also, You can ssh into the ec2 instance created by Packer using the temporary ssh key or the ssh key pair provided in the packer config. All reactions. 2 announced they are deprecating the ssh key algorithm "ssh-rsa" because it uses a sha-1 hash. ssh_private_key_file or ssh_agent_auth must be specified when ssh_keypair_name is We are trying to build a packer base for template creation in vmware. you need to provide both the ssh_private_key_file option to the builder Overview of the Issue packer is passing wrong ssh key file to ansible provisioner in scenario where we want to use a local key file for ssh connection. SSH keys are used as login credentials, often in place of simple clear text passwords. This should allow you to use I m running locally packer with ansible and terraform and it works fine. If you don't specify the ssh key in the packer configuration, it creates a temporary ssh key and places it in the same folder where you run the packer command. This browser is no longer supported. x. ssh/id_rsa -new -x509 -days 365 -out . If you follow option 1 - you need to provide Starting from version 1. ebsvolume The amazon-ebsvolume Packer builder is able to create Amazon Elastic Block Store volumes which are prepopulated with filesystems or data. 2022/05/31 15:45:31 packer-builder-azure-arm plugin: [INFO] Attempting SSH connection to 13. check_ssh_connectivity_normal Hi there, By reading the SSH communicator documentation I understand that Packer allows you define a key pair for use with SSH through the “ssh_keypair_name” option, but I was wondering if there was a way to provision an instance with multiple public keys using the SSH communicator, or would I need to use another means to do this. The private key will be called id_rsa and the associated public key will be called Hi all, I’ve been able to run packer smoothly with a default VPC, but I have trouble getting the build to run properly with ssh to a private VPC. 2. The following creates both public and private keys pairs that are compatible with AWS EC2. pub I fought this for about a Hello, I’m trying to setup a virtual machine using packer but even after the installation completes I cannot get any artifacts as the SSH provide cannot connect to QEMU. Per my reply to your comment, Packer doesn't seem to support supplying a passphrase, but you CAN tell it to ask the running SSH Agent for a decrypted key if the correct passphrase was supplied when the key was loaded. Upgrade to Microsoft Edge to take advantage of the latest features, security No temporary keypair will be created, and the values of ssh_password and ssh_private_key_file will be ignored. Soon folks will be using such Skip to content Packer fails to connect to a machine image when public key algorithm "ssh-rsa" is deprecated (OpenSSH 8. ssh/id_rsa as your private key. 68:22 2022/05/31 15:45:31 packer-builder-azure-arm plugin: [DEBUG] reconnecting to TCP connection for SSH 2022/05/31 15:45:31 packer-builder-azure-arm plugin: [DEBUG] handshaking with SSH 2022/05/31 15:45:32 When adding -debug, I see that Packer seems to be creating ephemeral ssh keys for some reason instead of just using the existing private key to authenticate:. Well, colleagues, I have NO IDEA WHY exactly (no idea YET), but when I generate the keys with a CLI command, the SSH connectivity does NOT WORK:. pem in Increasing handshake attempts. A custom CommHost function can be implemented in each builder if need be; this is a generic function that should work for most cloud builders. Now i want to include these in my github actions ci/cd pipeline. Then packer just pulls against those when it populates fields as it runs. Vault seems to pull down keys / values as environment shell variables. Contribute to hashicorp/packer-plugin-vsphere development by creating an account on GitHub. User-friendly and efficient. null_resource. . Reproduction Steps builder snippet "ssh_username": "{{user `ec2_ssh_user`}}", "ssh_pr The following configuration will spin up an instance but fails to connect it but the same key, vpc-id, subnet id, and security group id works in test kitchen without issues. aws --region us-east-1 ec2 create-key-pair --key-name "KeyPair" BUT, when I am creating the SSH key pai manually using the AWS NOTE: We suggest creating a temporary SSH key-pair for Packer to use during the build, i. Generate SSH Keys. RSA ECDSA ED25519. You can look at ~/. pem) in my laptop(as ~/. Thank you very much, @jvperrin. Also, the generated key is useless since it is not provided outside of debug mode (and you wouldn't want it to be provided), however it ends up being the only useful key Type: amazon-ebs Artifact BuilderId: mitchellh. The packer hcl file is like this : variable "do_token& For this tutorial, create a local SSH key to pair with the new terraform user you create on this instance. json for an existing AWS key pair. The fix would be to use the provided ssh_private_key_file and pass it to the AWS API when packer launches the ec2 instance. Use our free online tool to easily generate SSH key pairs for secure server authentication. More easier way is to use m3. Unfortunately, I can’t get an ssh connection anymore with the enable-ssh. ssh-keygen -P "" -t rsa -b 4096 -m pem -f my-key-pair. packer build -var-file vars-rhel8. 0 worked. This builder builds an AMI by launching The podman team recently tried to build Fedora 33 Beta images for use in our CI and we noticed SSH refused to connect and the daemon logs complained about not finding ssh-rsa in 1. 2022/04/14 17:00:49 [INFO] Packer version: 1. As with Amazon's official AMIs, or an AMI that you create from a snapshot of an existing machine, you can choose any new or existing SSH key-pair when you launch a new EC2 instance backed by your AMI. pem)How does packer talk to EC2? without copying as ~/. Change the placeholder email address to your email address. 2 Issue with SSH () Do: mitchellh/packer DW: Koprowski, Mariusz, Author Hyper-V uses the KVP (Key-Value Pair) Generating public/private rsa key pair. Thus, it appears that the problem lies with the SSH proxy. I even resorted disabling the NAT SSH port, I hardcoded it but still get this message: PACKER_LOG=1 packer build . However, it results in launching an instance with an empty key pair and, to my understanding, suggesting that the key will be put on the From the documentation, I assumed it would allow me to specify the key file and keypair name (in temporary_key_pair_name) and just work. (packersdk. ssh directory within your user’s home directory. 7 detect - The docker image and the command to run. sh script I got from The QEMU builder can inject the current SSH key pair's public key into the template using the SSHPublicKey template engine. If I don’t add a shell provisioner, the AMI gets created normally. 0. Check that your user is configured for ssh server. with_ssh_check" is false then it'll be ignored. So I use the actual forwarded port that is set up on the Virtualbox VM, and SSH connection succeeds. Packer fields: ssh_keypair_name and ssh_private_key_file. 161. – Matthew Schuchard Commented Aug 31, 2021 at ssh_keypair_name (string) - If specified, this is the key that will be used for SSH with the machine. Similar to the SSH Key Pair we can also use a pre-created security group for Packer. 0 Published 8 days ago Version 5. Context, state multistep. 1 Published 11 days ago Version 5. When a private key is provided using ssh_private_key_file, the key's corresponding public key can be accessed using the above CommHost determines the IP address of the cloud instance that Packer should connect to. This is something I use to create up to date OVAs for Windows and Linux operating systems. X---Just ssh with u/p-X--Just ssh with private key file-X: X-Ssh with private key file and "attach" the keypair to the instance---X: Create a temp ssh keypair with a particular name, clean it up----Create a temp ssh keypair, clean it up ssh_keypair_name (string) - If specified, this is the key that will be used for SSH with the machine. To associate an existing key pair in AWS with the source instance, set the ssh_keypair_name field to the name of the key pair. 73. To get over for now, I created a different source AMI image with password set manually than used packer to build, configure and provision additional software. 6 Ansible version: 2. Get ("ui"). By default, this is blank, and If you do not have a valid SSH keypair for this build, then Packer can generate a temporary one for you during the process. Few things to explain in this:-v $(pwd):/workspace -w /workspace - Take your current directory and mount it at /workspace and make the current directory when the docker container is running inside of that directory. Enter some Name and Click on Create. I can get it to work by passing the ssh_pass and become_pass to the extra arguments. this will fail the build I may be wrong but my understanding is the same as Rob i. 8 I’m trying to build an Arch Linux vagrant box with manjaro-arm-installer installed since manjaro itself no longer has the minimum x86_64 architecture available as ARM is now dominant on servers and manjaro’s resources are oriented to several desktop environments. medium (2 vCPU, 4. 10. Security Group. json aws-ebs-ansible. 6. { "variables" : { "aws_access_key" : type StepSSHKeyGen struct { CommConf * Config SSHTemporaryKeyPair} // Run executes the Packer build step that generates SSH key pairs. The QEMU builder can inject the current SSH key pair's public key into the template using the SSHPublicKey template engine. Alternatively, you can use a pre-existing key and set: ssh_keypair_name, ssh_private_key_file and ssh_public_key_file. cfg As a bonus, you can try creating a ssh key Evan The problem is that I have thoes packages included in preseed file. // The key pairs are added to the ssh config func (s * StepSSHKeyGen) Run (ctx context. But I do not see packer copying the private key(ec2_amazon-ebs. ssh/ec2_amazon-ebs. This key is removed from the root account prior to finishing the build. ssh. One or more EBS volumes are attached to the running instance, Supply an authorized-keys: block in your user-data. 12. Packer: 1. Ui) comm:= s. By default, the keys will be stored in the ~/. The issue will manifest if packer creates a temporary ssh keypair but if you use an existing pair, you can ssh to the directly instance even when packer cannot. Yes, I Seeing that you did not finish in any punctuation and because there is no explanation whatsoever in your answer, I assume that you are still editing to add details, an explanation of how the problem is caused, a solution and an explanation why the solution helps. 222]: UNREACHABLE! Update ssh_keypair_name and ssh_private_key_file in aws-ebs-ansible. SSH Key Pair Automation. my-template: Creating ephemeral key pair for SSH Hashicorp’s Packer allows you to build VM images automatically from code based on a fresh installation of the OS. Resolves hashicorp#3736 What I found out is that my version of packer didn't support key pairs type ED25519 by default and required a specific parameter to work. With a For example if you set pause_before_connecting to 10m Packer will check whether it can connect, as normal. pem ec2-user@host. When a packer build fails, sometimes the created key is left hanging and we have more than 50 of those in our Found out that only use ssh_private_key_file or ssh_agent_auth when ssh_keypair_name is defined. The download of The reason for this, I discovered, is that it's trying to connect to an SSH proxy port that Packer sets up. So, here in packer when the instance is getting ready I require two things i. key is corrupted) than use the AWS console to Type: amazon-ebsvolume Artifact BuilderId: mitchellh. like so in ks. pub public key; Creates EC2 instance with instance type t2. pkr. amazonebs The amazon-ebs Packer builder is able to create Amazon AMIs backed by EBS volumes for use in EC2. I build few images using this approach and others do not have this SSH Key Pair Automation. When you actually Terraform & Packer code to create an up-to-date Kali Linux AWS EC2 instance Creates new AWS Key pair from your ~/. ubuntu-2004: Executing Ansible: ansible-playbook -e packer_build_name="ubuntu-2004" -e Since Packer is not cleaning up its temporary key pair, /etc/rc. Fun fact, I can ssh to the and my understanding is, AWS has created a private key(ec2_amazon-ebs. ssh_private_key_file or ssh_agent_auth must be specified when ssh_keypair_name is You're using t2. Just pick a AWS provided windows AMI as the source/starting point , use the amazon-ebs packer builder Latest Version Version 5. – Packer for Debian with Hyper-V "SSH Direct" fixes - README. The utility will prompt you to select a location for the keys that will be generated. md ssh-key pair isn’t supported. Closed hoshsadiq opened this issue Oct 8, 2018 · 15 comments Closed When using the -debug flag, and it dumps the generated ssh key, I am able to login normally using ssh -i key. 0 GB Memory) EC2 instance uses default Kali Linux AMI ami-10e00b6d To use this option with a key pair already configured in the source AMI, leave the ssh_keypair_name blank. I was expecting that file to be deleted before the AMI was saved. The key must match a key pair name loaded up into the remote. ssh_keypair_name (string) - If specified, this is the key that will be used for SSH with the machine. 04 AMD64) command: PACKER_LOG=1 packer build -on-error=ask ubuntu-22. 1 iso but don't work with new 16. pem", must be set in the packer JSON, where it is the private key to the bundled public. Try removing ssh_agent_auth and see if that works. Checking AWS Console shows that created pair uses RSA indeed. ssh/authorized_key and delete the old key. Step5: Create SSH Key Pair. And that you also have ssh_private_key_file set. Answer to Shaggie remark: If you are unable to connect to the instance (e. ssh/id_rsa. Generate a new SSH key called tf-packer. the intent of this ssh_private_key_file field is that you can create a key pair in the Amazon console, and then reuse this key pair in your packer builds to avoid creating a new one on each build. My packer. pem' in the build file; run packer build with the AMI. If I leave out ssh_pasword, authentication failure happens (communicator) and build fails. Run executes the Packer build step that generates SSH key pairs. Looking through the secure and audit logs, it gives the following log entries: Packer Temp Key/Pair Doesn't Get Deleted Properly #10038. and it worked with 16. ssh: install-server: true allow-pw: true authorized-keys: - ssh-rsa <encrypted_key> user@host Fetch your key with: cat ~/. 8 Ansible: 2. Like before, if your SSH key is password-protected, you will be prompted for your SSH key password: openssl req -key . 2, 1. But once a connection attempt is successful, it will disconnect and then wait 10 minutes before connecting to the guest and beginning provisioning. 0 (running on ubuntu-20. ; chef/inspec:3. Sorry How SSH keypairs work. 1 Proxmox: 7. By default, this is blank, and They are likely in the user's home folder, or the folder in which packer is running. Though, I wonder if there is a better way, with some IAM policy ssh_keypair_name (string) - If specified, this is the key that will be used for SSH with the machine. crt Packer version: 1. 91. hcl. 1. ssh/id_rsa): . sha-1 is has been proven weak. This allows us to get rid of the security group related permissions, namely CreateSecurityGroup, DeleteSecurityGroup, and AuthorizeSecurityGroupIngress. One or more EBS volumes are attached to the running instance, After I create an AMI with packer based on the Amazon Linux AMI, if I launch an instance of that AMI and ssh in, I'm seeing the temporary packer keypair in the ~/. If you want to use a existing keypair just define ssh_keypair_name and ssh_private_key_file. RSA Key Creating custom Amazon Machine Images ( AMIs ) using Hashicorp Packer is super easy and fun. 11. e private_ip and Temporary key_pair path of the server.
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