Secret Management System. Keys can also be distributed using Ansible modules. I wonder how to copy my SSH public key to many hosts using Ansible. name }}' state: present key: '{{ item. There is one public key file for each user (e. posix. New in amazon. d file. To check whether it is installed, run ansible-galaxy collection list. yml. Let’s create a list called required_users which would contain the names. I've setup the various user's public ssh keys into a publickeys directory which I put in the variable named "sshkey_path". The authorized_key module can be used if you supply the username and the location of the key. New in version 1. You will have to distribute the keys to each user since they won't be. We are going to use Ansible to create user accounts and add users to groups, setup them up with access via ssh using by adding their public keys to authorized_key files. If there are some fresh machines just been installed, run Ansible playbook from one host will not connect them because of no authorized_keys on remote hosts. Improve this answer. Each user's key is put into its own file named after the username. CONFIGURATION OS / ENVIRONMENT. path. You switched accounts on another tab or window. 2. The ansible. December 21, 2017. authorized_key: user: alice. Utilizing delegate_to and authorized_key to implement passworless SSH on a cluster does not work. 2 Ansible: Create new user and copy ssh-keys from local system. I am trying to run a playbook on some servers I am trying to setup with Ansible playbook. - name: make sure the 'a' attribute is removed. The last step fails on getting the two ssh keys (it could be more) into a proper newline seperated list so ansible can ingest it. To install it use: ansible-galaxy collection install ansible. ssh/my_rsa # make it accessible RUN apt-get -y install openssh-server # install openssh RUN ssh-keyscan my_hostname >> ~/. （ここでは"ansi-user"と. You create user on remote host but try to lookup generated key on local host (all lookups in ansible are executed locally). key }}" with_items: ssh_users. I want serverA to be able to access serverB by copying the ssh_pub_key of serverA to serverB. Role VariablesNote. Test the new keys and replace the old ones. The example from the authorized_key documentation that almost works: - name: Set up authorized_keys for the deploy user authorized_key: user=deploy key="{{ item }}" with_file: - public_keys/doe-jane - public_keys/doe-john1. windows. ssh/config. ssh chmod 600 . I've got an Ansible Collections in my Ansible playbook as follows: - name: Create a profile for the user community. Ansible authorized_key does not remove keys. You may want to capture (register) result of user task and use it's fields: - name: create user user: name: test_user_003 generate_ssh_key: yes group: sudo ssh_key_passphrase: xyz register: new_user - name: Set. cfg touch hosts // file extension not needed. 0. Since ansible uses ssh to access to each of the remote hosts, before we execute a playbook, we need to put the public key to the ~/. 1 Answer. Do this with the ssh-copy-id command: ssh-copy-id -i ~/. - authorized_key: user: pranjal key: "{{ Next, all we need to do is call the authorized_key module as usual. ssh directory to 0700. windows so I can see it at ~/. ssh/authorized_key file has fairly specific permissions (rw user only) as does the . Ansible 2. devops; devops-tools; ansible; ansible-playbook; 0 votes. ansible. Let Ansible do the job instead. Tutorial details. ANSIBLE VERSION. 8k. Oct 26th, 2020 7:44 am. You can have an Ansible Config file within your project folder which can state which key to use, using the following: private_key_file = /path/to/key/key1. pub. I suspect what is happening here is you are trying to insert the private key into the authorized_keys file, which is invalid as only the public key is required on the target machine. 2. ssh/authorized_keys on the machine to which you want to connect, appending it to its end if the file already exists. By default recent versions of ssh-keygen will create a 3072-bit RSA key pair, which is secure enough for most use cases (you may optionally pass in the -b 4096 flag to create a larger 4096-bit key). There is one public key file for each user (e. However I was not able to figure out how can distribute the different keys. Q&A for work. pub" register: key. I am trying to build a playbook which includes distributing authorized SSH keys. {"payload":{"allShortcutsEnabled":false,"fileTree":{"plugins/modules":{"items":[{"name":"__init__. If copy the Ansible host's pub key to those target hosts like: $ ssh user@server "echo "`cat . Machine can be your local workstation also. This means you can't use shell operators such as the pipe, and that is why you are seeing the pipe symbol in the output. Completely agree with zoredache, use the authorized_key module using the lineinfile is definitely not an ideal choice for updating an authorized_keys file. Also, some systems use the file authorized_keys2, so it's a good idea to make a hard link pointing between authorized_keys and authorized_keys2, just in case. For example by the login shell. Hosts file [servers] prod_server ansible_host=IP_prod new_server ansible_host=IP_new [servers:vars] ansible_user=sudo_user ansible_sudo_pass=sudo_password. 5 LTS managed host: CentOS Linux release 7. Each user will have a different key for each server. password not being accepted for sudo user with ansible. legacy' fqdn and this would resolve to "legacy" modules installed via pip. yml. 1 Answer. Ansible can be configured using a config file named ansible. Whether this module should manage the directory of the authorized key file. There might be more options, e. Below is what I did, it runs without any errors, however it does not work. It's not the path of a local SSH key to upload to the remote user created. Which says : Whether to remove all other non-specified keys from the authorized_keys file. ssh chmod 600 . Content from roles and collections can be referenced in Ansible PlayBooks and immediately put to work. The Ansible control node’s SSH public key added to the authorized_keys of a system user. Whether this module should manage the directory of the authorized key file. This is useful if you’re going to want to use. The Ansible module requires you telling it which user account (s) on the remote server to modify. Return Values. Then writes each one to a file which name is set according to ansible_hostname. Connect and share knowledge within a single location that is structured and easy to search. posix. At first glance Ansible seems to connect to a host named 192. If running within a cloud provider, you might need to instead create an ~/. Assuming that user "foo" already exists on remote machine and SSH public key has already been created on the local (ansible) host. 今回はよくLinuxのユーザを作成して鍵認証を設定するのでそれを題材としてansibleを使って行う方法を紹介していきます。 ansibleとは. mwiapp01 server's public key mwiapp01-id_rsa. pub file listed in /home/alice/. I manage serverA with Ansible. This can be done manually by calling ssh-copy-id user@serverB on serverA. If you interact regularly with SSH commands and remote hosts, you may find that using a key pair instead of passwords can be convenient. ssh/authorized_keys file containing the public key for the ansible user on all your nodes and set the permissions to the authorized_keys file to only the owner (ansible) having read and write access (permissions 600). mount – Control active and configured mount points. deb package. 0 Ansible Playbook Using Lists/Dictionaries With One Or More Values. by default. pub (the public key). You need to tell Ansible which hosts you are going to use. 7. I am executing the playbook using ansible-playbook copy_publickey. 2, multiple entries per host are allowed, but only one for each key type supported by ssh. Be sure to set manage_dir=no if you are using an alternate directory for authorized_keys, as set with path , since you could lock yourself out of SSH. Synopsis . com. The example from the authorized_key documentation that almost works: - name: Set up authorized_keys for the deploy user authorized_key: user=deploy key="{{ item }}" with_file: - public_keys/doe-jane - public_keys/doe-john 1. Star 58. yml. ssh/authorized_keys and id_rsa. If false, the key will only be set if no key with the given name exists. authorized_key: user: charlie state: present key: - name. Then task 2 that executed locally loops over other nodes and authorizes all keys. 3 Answers Sorted by: 2 From the doc you are pointing to in your question regarding the exclusive option Whether to remove all other non-specified keys from the authorized_keys file. I want to push a new user's public key to a host invetory using Ansible. 2. ssh/authorized_keys; create a unprivileged user dedicated for Ansible with sudo access; let the Ansible user to run every commands through sudo specifying a password (which is unique needs to be known by every sysadmin which uses Ansible to control that servers) Most distributions do not create the . Hot Network Questions What is "educ times"? A journal?Plugin Index . SSH host key validation is a meaningful security layer for persistent hosts - if you are connecting to the same machine many times, it's valuable to accept the host key locally. 1. First, we generate a pair of keys. If set to yes , the module will create the directory, as well as set the owner and permissions of an existing directory. SSHD is quite particular about this. The lineinfile module is used to search and replace a line in sshd_config in order to disable password authentication for root, limiting access to its privileges for heightened. Now in your host {inventory} file on machine A use the following format : [hosts] Machine_B_ip ansible_ssh_user=username_here ansible_ssh_private_key_file. content of . posix. Step 3: Fetch the Key Public Key from the servers to the ansible master. We then need to add the public key to the target host’s ~/. ssh/keypair. 2. 0. group – Add or remove groups. 12, use dnf to install 'ansible-core', then use Ansible Galaxy to install the collection 'ansible. 4 Answers. Note: Press Enter for all questions because this is an interactive command. posix. Remember the "-u" is the remote user you want to connect as to the remote host. builtin. NOTE. Set authorized key taken from file::::{ {('file',)}}:Set authorized keys taken from urlauthorized_key:::key:authorized key in alternate locationauthorized_key:user::key:"{ {('/home/charlie/. But I get invalid key specified ISSUE TYPE Bug Report COMPONENT NAME authorized_key ANSIBLE VERSION ansible [core 2. yml -b -k -K -u user1 . Then slowly replace the authorized key on your remote servers one by one with the newly generated Ed25519 public-key. We need to add the. posix. posix collection: Modules acl module – Set and retrieve file ACL information. ssh/id_rsa - name: Allow passwordless SSH between all. posix collection (バージョン 1. ansible-playbook auth_key. authorized_key: Ansible authorized_key module. Nov 16, 2023Set authorized key taken from file::::{ {('file',)}}:Set authorized keys taken from urlauthorized_key:::key:authorized key in alternate locationauthorized_key:user::key:"{. biz. let Ansible use the root user (with its public key saved in ~/. Edit: a note on security. Using the parameters below- data|ansible. ssh/authorized_keys This will append the key you want to use to the pre-existing list of keys. Typically, you can provide these secrets within Ansible playbooks, but doing so exposes them to possible interception and exploitation. You’ll begin by reviewing the tasks defined in the main playbook. Learn how to use the Ansible authorized_key module to add or remove authorized keys for user accounts on remote machines. 0. Scenario: Need a playbook to execute from a ansible controller that should append id_rsa. To create a user with sudo privileges is to put the user into /etc/sudoers, or make the user a member of a group specified in /etc/sudoers. Ansible `authorized_key` copies the key to remote user but not working when trying to ssh. 帮助文件查看. Here, the path towards your key is built using Ansible’s lookup function. ssh/config file for SSH client to utilize it when connecting to remote. It adds or removes SSH authorized keys for particular user accounts. Like all templating, these plugins are evaluated on the Ansible control machine, not on the target/remote. You create user on remote host but try to lookup generated key on local host (all lookups in ansible are executed locally). This can be achieve with a condition and an is file test. This module lets you copy files from your local machine to a remote host. Whether this module should manage the directory of the authorized key file. posix. The default is true, which will replace the existing remote key if it is different than pubkey. pub hostC hostC. 1 Answer. Alternatively, you can open the ~/. Ignored when state=absent or key_material is provided. Verify that the file permissions within the operating system are correct and that the correct SSH public key is in the authorized_keys file. ssh directory and authorized_keys file must have specific restricted permissions (700 for ~/. Secure SSH connection to this user with keys pair; Execute my Ansible playbook as "sudouser" instead of "root" I'm doing this with the following bash script:Summary I connect via ssh with ansible_user: vwacc to my machines, when it is not set in group_vars/all. 1. It might be SE Linux. . Whether this module should manage the directory of the authorized key file. ssh directory as it may not have the correct permissions. Enter the command $ chmod 600 ~/. Fork 23. Reload to refresh your session. I was facing the same issue for localhost and realised that '$ ssh localhost' was asking for a password. Follow edited May 23, 2017 at 10:28. How to copy public ssh-keys to a host using ansible. First attempt: ansible all -i inventory -m local_action -a "ssh-copy-id {{ inventory_hostname }}" --ask-pass But I have the er. posix. I'm not entirely sure why the multi-key ability is even there (and it doesn't seem to be documented) as previously - see 39c8bec - authorized_key even failed explicitly when key contained more then. First view/copy the contents of your local public key id_rsa. 7. GitHub Repo. A SSH key rotation process involves three simple steps, Create a new ssh key. 3. authorized_key_list, authorized_key_list_host and authorized_key_list_group are merged when managing the authorized keys. See the parameters, options and examples of this module with SSH keys and certificates. Ansible combine lists from variables. You want to use the authorized_key module. ask-pass works only one time per run so this will only work with hosts that has the same password. By default, ssh-keygen will create a 2048-bit RSA key pair, which is secure enough for most use cases (you may optionally pass in the -b 4096 flag to create a larger 4096-bit key). Older versions of Ansible will use the now-deprecated authorized_key. ssh/authorized_keys. Step 1 — Creating the RSA Key Pair. 5. By default, sensitive credential values (such as SSH passwords, SSH private keys, API tokens for cloud. 4" authorized_keys. pub" - name: show what was stored in the keys variable debug: var: keys - authorized_key: user: fedora key: "{{item. If one is missing, add it (no problem, lineinfile) If someone else sneaked in an extra key (which is not in the "with_items" list), remove it and return some warning, or something. Only the superuser or a process possessing the CAP_LINUX_IMMUTABLE capability can set or clear this attribute. First, we’ll need to create a project folder. template module more useful. 2 SHA: 917704e Module: authorized_key Server/Client OS: Debian When using the authorized_key module both in a playbook or running it manually the authorized_key module fails with the following message: invalid output was: Trac. I'll play around with this andIf you can login without trouble on all three machines, the next step is to send your public key over to each server. Ansible - Push authorized key to multiple host groups with different passwords. pub [email protected]}}" See the Ansible documentation. I have a cluster that has 4. I have a cluster that has 4. On 5/11/20 8:53 PM, Joe G wrote: > I couldn't remember but I checked the key and it's in ecdsa-sha2-nistp256 format. Step 1: Create hosts inventory file. This will populate the authorized_keys file on each server with your public key. - hosts: all tasks: - name: Include ckaserer. 管理する。. Whether this module should manage the directory of the authorized key file. In this article, we shall. Be sure to set manage_dir=no if you are using an alternate directory for authorized_keys, as set with path , since you could lock yourself out of SSH. Ansible manage ssh users with templates. Avoiding duplicate entries in authorized_keys (ssh) in bash and ansible. Michael. In this step, you’ll use Ansible to automate the initial server setup of as many servers as you specified in your inventory file. I have been using the Ansible Python API to develop a simple tool that manages server access for our infrastructure. The first step is to create a key pair on the client machine (usually your computer): ssh-keygen. However I keep getting:Here's the problem: I'm trying to set public keys for a user on a remote machine. I have added the following configuration to my inventory file: all: hosts: server1: ansible_host: [email protected] dest_dir: /root sample_tree: sample_tree. Whether this module should manage the directory of the authorized key file. Share. Communicators are the mechanism Packer uses to upload files, execute scripts, etc. Moreover, copying the file from an other user's authorized_keys with your above command will fail on connection attempt as the file will not have the correct permissions. Finally, you call the playbook like this. 04. Depending on your setup, you may wish to use Ansible’s --private-key command line option to specify a pem file instead. - name: Set authorized key taken from file ansible. authorized_key: user: ansible state: present key: ' { { item }}' with_fileglob: ' { { lookup ("env", "ANSIBLE_SSH_FOLDER") }}/*'. jdoe. Reload to refresh your session. 4 final but is no longer working since. Here, the path towards your key is built using Ansible’s lookup function. Once that is setup you have two options:2 Answers. We need a config file and a hosts file. 0 and post 2. gitlab_deploy_key. ssh folder. You can also add the private key file: $ ssh-agent bash $ ssh-add ~/. Its contents are those which are copied from WinSCP PuTTy generated key - public key area. Share. Passing sshd's authentication checks gives you a. ANSIBLE VERSION 2. storing the values in inventory is a really bad idea for security unless you encrypt it with vault. When I first set up my ssh key auth, I didn't have the ~/. For Ansible 2. New in ansible. Sorted by: 16. すでに鍵認証設定が完了している場合は、ページの下の方だけ見てください。. authorized_key module. 4. builtin. Be sure to set manage_dir=no if you are using an alternate directory for authorized_keys, as set with path , since you could lock yourself out of SSH. - name: Set authorized key taken from file \n ansible. posix. I got the same issue, and I solved it this way: --- # Gather the SSH of all hosts and add them to every host in the inventory # to allow passwordless SSH between them - hosts: all tasks: - name: Generate SSH keys shell: ssh-keygen -q -t rsa -f /root/. 1 Answer. You signed out in another tab or window. If running within a cloud provider, you may need to instead create an ~/. 1246 Downloads. 1 Answer. Starting at Ansible 2. Reload to refresh your session. ansible iam_user deletion does not work. With this task, you copy your public SSH key to the hosts by calling on the ansible. I can't seem to get ansible to automatically pick up the SSH identity that I've added, and if I am prompted for the passphrase on my private key my passphrase seems to not be accepted, while the same passphrase is accepted when just SSH'ing without ansible. First, open the sshd_config file using a text editor: sudo nano /etc/ssh/sshd_config. ansible 命令格式 -f N ：每次向N 个主机发送指令 -m 模块名：指定使用的模块名称 ，默认为command模块 -a args ：指模块专用的参数 ，args一般是key=value格式 ansible 模块 1. iptables – Modify iptables rules. authorized_key will not add the keys if the already exists - that is the beauty of ansible. posix. Disabling host key checking entirely is a bad idea from a security perspective, since it opens you up to man-in-the-middle attacks. shell> sudo sshd -T | grep authorizedkeysfile authorizedkeysfile . Ansible update authorized_keys file. --- - name: ansible. patch – Apply patch files using. - name: ensure ssh-key is present ansible. 7/devel Environment: Ubuntu 12. Here, the path towards your key is built using Ansible’s lookup function. There you can say which authentication type should be users. Personally I wouldn't use the generate_ssh_key parameter in your user task. Traditional Amazon Web Services credentials consist of the AWS Access Key and Secret Key. ssh-copy-id -i ~/. So far I found the module authorized_keys which can do the general job. command模块 功能：在远程主机上执行命令 格式：-m command -a "命令" 案例：在每个主机上执行free -m. ansible-playbook -i hosts ansible_setup_passwordless_ssh. That is, if I have a playbook like this: - hosts: localhost tasks: - name: add user user: name: testuser shell: /bin/bash password: secret append: yes generate_ssh_key: yes ssh_key_bits: 2048. /config/id_rsa_tfSUMMARY After a user account was created by using the modules ansible. pub. 0. 5. Ensure that server has an option. For OpenSSH < 7. ansible-playbook -i production --extra-vars "hosts=web:pg:1. firewalld_info: Gather information about firewalld: ansible. and test the connectivity by executing the following command. It may well be the ansible user cannot see the files in the . 1 Answer. apt module’s update_cache option). ssh directory in user's home by default when you create a user. ssh/my_rsa # copy rsa key RUN chmod 600 /root/. You signed out in another tab or window. Hot Network QuestionsAnsible `authorized_key` copies the key to remote user but not working when trying to ssh. . ansible/collections. posix. 9) url (A string of ssh key options to be prepended to the key in the authorized_keys file. Setting Up The Register Variable. Sorted by: 1. It is not included in ansible-core. 0. Matching parameter defaults to equals unless matching_parameter is explicitly mentioned. tekneed. ssh/authorized_keys. Use a local command to attempt to connect to the server with the correct SSH key, using ignore_errors and changed_when: False; If that fails, update ansible_user to the value of ansible_user_first_run; Here's the code:ansible. utils 2. Requirements The below requirements are needed on the host that executes this module. ssh" state: directory become: true become_method: sudo become_user: " { {account}}" Another thing how can i do sudo. Once you’re done setting everything up, you’re ready to begin the first step. 0. sudo pip install ansible. authorized_key: user: '{{ item. Ansible `authorized_key` copies the key to remote user but not working when trying to ssh. Using authorized_key module in a playbook to set up SSH key for new users. ansible - copy key to authorized keys file. Here are five (non exhaustive) possible solutions (using double quotes as outermost quoting). ssh vi ~/. txt private_key_file: . One improvement I would like to make is to manage list of keys per user instead of managing on a key per key basis. ssh/id_rsa. Assign multiple public ssh keys to user definitions with authorized_key module in Ansible.