In this post I will demonstrate how you can use ansible to automate the task of adding one or more ssh public keys to multiple servers authorized_keys file. - name: Name of 2nd task. name }} key=" { { item. Assuming that user "foo" already exists on remote machine and SSH public key has already been created on the local (ansible) host. authorized_key module. pub`" >>. added in amazon. posix'. ansible/collections. When I run the playbook, the user account creation goes. You need further requirements to be able to use this module, see Requirements for details. And you will get the SHA-512 encrypted password. . Ansible can also store the password in the ansible_password variable on a per-host basis. yml task. このプラグインは ansible. Both variables are defined in the var/default. posix. pub. - name: Create a new regular user with sudo privileges user: name: " { { create_user }}" state: present groups: wheel append: true create_home: true shell: /bin/bash - name: Execute rsync command so the new user has the same authorized keys as root user ansible. One improvement I would like to make is to manage list of keys per user instead of managing on a key per key basis. To use it in a playbook, specify: amazon. For RHEL 8. g. |. I have a cluster that has 4. How to use ansible authorized_key to authorize a ServerA (not the controller machine) to access Server B. Users who need to be distributed are set in the variable, and then it uses lookup to read files in a loop. Sep 3, 2014 at 12:26. If set to yes , the module will create the directory, as well as set the owner and permissions of an existing directory. It begins with ssh-rsa followed by a bunch of alphanumeric letters, and ends with rsa-key-20190607. authorized_key: user: charlie state: present key: - name. name: add the public key to authorized_keys using Ansible module authorized_key: user: ec2-user state: present key: '{{ item }}' with_file: - ~/. headincloud. 0. 既定のディレクトリがなければ作成し、必要な. pem. ec2_instance. I hope. ssh/authorized_keys. 6, to install the current Ansible 2. 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. ssh/authorized_keys. Then, although it depends on what is your project exactly, I do not. If you used the Vagrant file from the vagrant-alm repository, after creating the “app” machine, Vagrant will run a playbook to add a Jenkins user and its public key into the “authorized_keys” file of this machine. From the documentation on lookup plugins. I present the custom private key to all the destination hosts and give them the custom ansible host public key using authorized_key module so we do not have to manually setup the ssh keys for communication. Connect and share knowledge within a single location that is structured and easy to search. 今更ですが、ansibleはchef,puppetとかと同じプロビジョニングツールの1つです。 できることはchef,puppetと大きな相違はないですが、 Note that ansible. yml Previously, it was all good, but now increased the number of keys and servers. I am using the authorized_key module for that. group – Add or remove groups. apt module’s update_cache option). ansible-doc authorized_key 常用选项： Options: (= is mandatory)(= 后面的参数是强制要有的) - exclusive [default: no]： 是否移除 authorized_keys 文件中其它. Step 1: Create hosts inventory file. May 5. Last, you can do much better with ansible. In the authorized_keys file I have several keys and am trying to change the value on a few so when I run a script on the other side it can modify how it process information. posix collection (バージョン 1. This also makes it easy to change root. This is useful if you’re going to want to use. Usually, people just manually copy the public key to the remote hosts’ ~/. - name: ensure ssh-key is present ansible. Each host gets an own key. 2. Verify that it occupies a single line and save. 1246 Downloads. Ansible 2. Whether this module should manage the directory of the authorized key file. Put the public key of that user to the remote hosts. You have to give Ansible Tower access to your machines. Fork 23. For Red Hat customers, see the difference between Ansible community projects and Red Hat supported products or Ansible Automation Platform Life Cycle for subscriptions. Install the ansible passlib package: sudo pip install passlib. 1. ssh . Now in this example, we will use an Ansible playbook to create a key combination for a user. 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. Parameters. ssh directory and its permissions are set to 644. authorized_key module. The authorized_key module can be used if you supply the username and the location of the key. The first proposition is obviously the easiest. Follow these steps @Ruth: Generate ssh key ssh-keygen Check the. posix. STEPS TO REPRODUCE. At minimum, you need a ssh daemon running and a user that can access the host with a password. This is useful if you’re going to want to use the ansible. 1 Answer. Generate the password using the passlib package. If you need to get a file from the target, you will have to use fetch prior to lookup the local copy or slurp the content. I manage serverA with Ansible. My plan was:. gitlab_deploy_key. 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. Then edit authorized_keys on the server and paste contents of your clipboard below any other keys in that file: nano ~/. By default, sensitive credential values (such as SSH passwords, SSH private keys, API tokens for cloud. Discuss Ansible in the new Ansible Forum! This is the latest (stable) community version of the Ansible documentation. Ansible authorized key module unable to read public key. posix. firewalld: Manage arbitrary ports/services with firewalld: ansible. Security Token Service (STS) is a web service that enables you to request temporary, limited-privilege credentials for AWS Identity and. ansible-core. We expect to see three public keys in # the resulting authorized_keys file. Choices: false. First, we’ll need to create a project folder. Ansible has modules like user and authorized_key which allows managing user accounts and authorized SSH keys respectively. 2 Answers Sorted by: 2 From the documentation: path: Alternate path to the authorized_keys file tasks: - name: Set up multiple authorized keys authorized_key: user: root state: present key: ' { { item. 9 (which is not supported anymore), use dnf to install 'ansible'. 1 Using authorized_key module in a playbook to set up SSH key for new users. For example, get the first one. ssh/authorized_keys file using Ansible authorized_key. ssh directory is like: ls . 40 but your ssh config is set up for hosts using host names ending in internal. biz server3. Multiple keys can be specified in a single key string value by. 需要使用到的模块：authorized_key，为特定的用户账号添加或删除 SSH authorized keys. yml --ask-pass. One of the most common ways to do that is using SSH. name }} key=" { { item. First, open the sshd_config file using a text editor: sudo nano /etc/ssh/sshd_config. 0. Take care to copy the key exactly and paste it into a new line in the editor window. ansible-galaxy collection install ansible. The private key is available locally, while the public key is shared with the remote hosts to which we wish to connect. This role is helpful when you have a remote machine you want to use by ansible and wish to use SSH key based authentication. You signed out in another tab or window. OS / ENVIRONMENT. ssh/authorized_keys register. 2. Ansible playbook that replaces ssh keys in the authorized_keys file of all non-system users and the root user. also, ensure that the . pub). Install ansible. ssh chmod 600 . restorecon -Rv /home/user/. ssh/authorized_keys while Ansible reports that all keys have been added. For example: server1 - user1 - 3 ssh keys server2 - user2 - 3 ssh keys I need to add/remove specified ssh key to servers1-2 to. Public Key of the user. pub. - ensure you use >>, as a single > will actually wipe the existing data in the authorized_keys file. When set to auto this module will match the key format of the installed OpenSSH version. Upload Public SSH Keys Using Ansible. ansible. 1 Answer. If you want to upload the SSH key, you have to use the copy module - name: Create user hosts: remote_host remote_user: root tasks: - name: Create new user user: name: newuser -. 1. For example, shell> ssh admin@test_11 find . You switched accounts on another tab or window. Start automating with Ansible. ssh/authorized_keys file. Ansible Advent Calendar 2015 の5日目の記事です。authorized_key モジュールansible実行時にSSHのパスワード入力ではなく、公開鍵認証で済ませたい。そしてその設定1回だけのためにplaybookを書きたくないな～ということで、どう書けるのか試して見ました… The authorized_key module can be used if you supply the username and the location of the key. Let’s create them. And now I do not remember whose key is to be on what server. Step 3: Fetch the Key Public Key from the servers to the ansible master. Synopsis. Authorized Keys for SSH access. Star 58. I am writing a chef recipe and want to ensure a specific ssh public key is set for a certain user. append: This is used with the groups key and ensures that the group list is appended to. SSHD is quite particular about this. ssh-copy-id -i ~/. 5 / 5Score. Step 1 — Creating the RSA Key Pair. Example #1. ssh folder. Also, the user should be a sudo user. pub" - name: show what was stored in the keys variable debug: var: keys - authorized_key: user: fedora key: "{{item. ssh/id_rsa -N '' args: creates: /root/. If set to yes, the module will create the directory, as well as set the owner and permissions of an existing directory. Hey @Lopez, you can use the authorized_key. 1. When I run the playbook, the user account creation goes fine, but the authorized_keys part says: 2) Manage all users. g. This said, there is a little trick to it, like in maths, some operators are taking precedence on others, and in this case, the is operator of the test is taking precedent on the concatenation operator ~. Therefore, the following solution may be preferable since it troubleshoots the public key authentication method. Copy files from one remote server to another using an SSH key with ansible. There might be more options, e. posix. Instead of the remote system prompting for a. ansible-galaxy collection install ansible. Whether this module should manage the directory of the authorized key file. If set to yes, the module will create the directory, as well as set the owner and permissions of an existing directory. posix. Open up your terminal and type the following command to generate a new SSH key. What is. Declare the variables These are the plugins in the ansible. Now you need to create a file called " authorized_keys " (if not present, make sure the permission is readonly) and paste the copied public key from Machine A to machine B. . SUMMARY:** I have a set of tasks that create local users and manage their authorized_keys file using the authorized_key module. {"payload":{"allShortcutsEnabled":false,"fileTree":{"system":{"items":[{"name":"__init__. Since Ansible 2. I've got an Ansible Collections in my Ansible playbook as follows: - name: Create a profile for the user community. pub key not an invalid key here's what I'm trying. Share. ansible. 3. 6. 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。. 1 Answer. You don't have to copy your local SSH key to remote servers. 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. You will first create a user on one machine. yml Previously, it was all good, but now increased the number of keys and servers. authorized_key – SSH 認証キーを追加または削除します. yml file. pub would go to mwiapp02 server and vice versa. shell: rsync --archive --chown. Issue Tracker. We'll work with the files under AddingKeys folder. 2. ssh/authorized_keys while Ansible reports. windows so I can see it at ~/. A short bash script combines those keys and my Ansible management public key into authorized_keys files for the ESXi hosts in each vCenter instance. 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. python3 -m pip install --user ansible. 1. ssh/authorized_keys and ~/. A minor benefit of doing this is that ansible. To set this up, you can follow Step 2 of How to Set Up SSH Keys on Rocky Linux 8. ssh/authorized_keys2. password not being accepted for sudo user with ansible. So, the trick is to put the concatenated path in parenthesis:Optionally set the user’s shell. It tries a bunch of different keys from my local (Ansible master node) system without success. I've got an Ansible Collections in my Ansible playbook as follows: - name: Create a profile for the user community. If you need to get a file from the target, you will have to use fetch prior to lookup the local copy or slurp the content. Use the following command to generate new key: ssh-keygen -t ecdsa -f ~/. serverB is not managed with Ansible. Unable to add public key to target host using ansible authorized_key module. First, we generate a pair of keys. yes, you have added the user to have password less sudo by editing the suoders file. 1. subelements for easy linking to the plugin documentation and to avoid. Reload to refresh your session. posix. --- - name: vms1 - Authorize hosts with pub key. Details in the first comment. pub. Q&A for work. Whether this module should manage the directory of the authorized key file. By default, all files are stored in the /home/sysadmin/. 1708 (Core) SUMMARY:** I have a set of tasks that removes local users and removes their authorized_keys file using the authorized_key module. posix. ssh/id_rsa. Avoiding duplicate entries in authorized_keys (ssh) in bash and ansible. Keyword parameters. Remember the "-u" is the remote user you want to connect as to the remote host. You can then access the contents like this: - name: show key contents debug. cfg, set_fact, environment vars. You can create users within same playbook thanks to linear strategy. SUMMARY. The register variable is a versatile tool in Ansible, allowing you to capture, analyze, and react to the output of tasks, making your playbooks more dynamic and responsive to the environment they are managing. ssh/my_rsa # copy rsa key RUN chmod 600 /root/. 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). Ensure you know the user to store authorized_keys, this will be the user you use for any action via Ansible. One issue could be that the ssh private key which is present already can't be access by the user from which ansible playbook is run. 13. let Ansible use the root user (with its public key saved in ~/. 0 Ansible Playbook Using Lists/Dictionaries With One Or More Values. You will see id_rsa (the private key) and id_rsa. OS / ENVIRONMENT. The password is encrypted thus the default password will not work. 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. files in the directory /etc/ssh/. Ansible `authorized_key` copies the key to remote user but not working when trying to ssh. ansible. You signed in with another tab or window. To use it in a playbook, specify: community. 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. However I was not able to figure out how can distribute the different keys. file. calvinbui. - name: Set up multiple authorized keys for user bird ansible. posix community. 1246 Downloads. Still, in practical terms this means the user module, and the authorized_key module which is only used on users, refer to users differently. 7 Ansible - managing multiple SSH keys for multiple users & roles. We may want to add an additional key to the "authorized_keys" on the remote server so that our developer can ssh to the instance. which usually is what you want. FAILED! => {"changed": false, "msg":. 7. 4. Fetch generated key files from remote servers [mwiapp01,mwiapp02] to ansible master; Use the authorized_key module to copy the file remote machine and add it to the mentioned user’s authorized_keys file ( If you could notice, the authorized_key module is actually performing the step3 and step4 from the manual method)Copy the content of ~/. however the ansible server can't seem to the the client. To achieve the above, I have different Ansible roles for different types of server (eg. 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. key-a - ssh-rsa *****. This can be achieve with a condition and an is file test. 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 ~/. If you can assume the current network isn't compromised (that is, when you ssh to the machine for the first time and are presented a key, that key is in fact of the machine and not an attacker's), then. However I keep getting:Here's the problem: I'm trying to set public keys for a user on a remote machine. 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 access. Step 6 — Running the Main Playbook Against Your Ansible Hosts. user: The username on the remote host whose authorized_keys file will be. It doesn't make sense for me to not fail if the user account doesn't exist. SUMMARY Getting following error, while executing job tempLate with AWX, which shows Ansible is looking for Private Key rather than Pub Key provied in playbook. I'm sure the id_rsa. – vedipen. Each line of the file contains one key specification (empty lines and lines starting with # are ignored as comments). firewalld_info – Gather information about firewalld. Alternatively, you can open the ~/. Add the public key to an authorised keys file. Ansible is completely over SSH. Ensure that server has an option. Using authorized_key module in a playbook to set up SSH key for new users. ansible. That would also allow to add a security option to. ssh and authorized_keys file, as shown below : chmod 700 . The second task fails because no sudo password supplied. ssh/authorized_keys files. December 21, 2017. The problem is when I try to remove a line that includes a '+' character. authorized_key モジュールが公開鍵を登録するディレクトリを管理するかどうかを指定する. I want to add some new pub keys, when use the authorized_key module, it seems that ansible overwirte all records. then retry. ssh/id_rsa. ansible. 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/. authorized_key - Adds or removes an SSH authorized key — Ansible Documentation. Synopsis This plugin replaces specific keys with their after value from a data recursively. So Ansible is attempting to find your users' keys on "Ansible Server". mwiapp01 server's public key mwiapp01-id_rsa. 04. 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. Install aptitude, which is preferred by Ansible as an alternative to the apt package manager. authorized_key will not add the keys if the already exists - that is the beauty of ansible. authorized_key: user: alice. Like all templating, these plugins are evaluated on the Ansible control machine, not on the target/remote. Each user's key is put into its own file named after the username. d file. You can use the host and group lists to specify keys per host or group off hosts. 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. Attributes. ssh/authorized_keys, that file at least should have 400 permission bits and. This is what I have no but it takes only the last key and not both. . SUMMARY:** I have a set of tasks that create local users and manage their authorized_keys file using the authorized_key module. Then writes each one to a file which name is set according to ansible_hostname. --- case1: keys: - sshrsa1 - sshrsa2 users: - user1 - user2 - user4 case2: keys: - sshrsa3 - sshrsa4 - sshrsa5 users: - user1 - user2 - user5. ssh/id_ecdsa -N "". posix. Whether this module should manage the directory of the authorized key file. To get the content of the remote file, you can use a task like this: - name: get remote file contents command: "cat { { ansible_env. Here you go. Jenkins pipeline - refering to SSH Keys in ansible and Terraform. If you need the command line processed by a. ssh I'm not sure what to do. - name: Add ssh user keys. This scenario only supports linear strategy. general. 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:"{. Learn how to add or remove SSH authorized keys for particular user accounts using the ansible. There are four methods for performing these tasks: Method 1: Use the EC2 Serial ConsoleIf you want to: loop over users [name] in admins listand for each user add multiple ssh keys [sshkey](I added property names in brackets) You could use 3 ways: Use with_subelements - ansible. yml' in your collection and add a redirect to the "legacy" module. Whether this module should manage the directory of the authorized key file. Ansible - managing multiple SSH keys for multiple users & roles. Starting at Ansible 2. CONFIGURATION. 4 seems to have a bug with authorized_key module.