Ansible retry ssh connection. cfg, environment variables, command-line options, playbook keywords, and variables. 0, the ssh module operates with a retry setting of 3. Trying to reproduce issue with an unreachable host and ssh retries setup to 5: ansible. The ansible-config utility allows users to Note. εηοιτ. Since ssh supports connection persistence between tasks and playbook runs, it performs better than Hi, We’d need more detailed traces on this, but I’m pretty sure you can’t use ppk keys with OpenSSH. - name: delete ansible build user win_user: name: "{{ var }}" state: absent ignore_unreachable: yes register: keberos_test until: kerberos_test. 100. If you create your sssd. See the “Authentication and connection issues” section in this document for more information. cfg file and setting the value to True. conf file either manually or via an Ansible script, ensure the ownership is correct. 0, getting this exact issue intermittently across test environments. 2. Either enable SFTP on the target node (or a firewall in-between), or configure Ansible to use SCP in ansible. You signed out in another tab or window. Hello, After I join a machine to the domain, there is a period of time in which kerberos authentication does not work. You can use meta: clear_host_errors to fatal: [example. aws. Same environment, same hosts, same inventory, same vars. unreachable is false retries: 10 delay: 60 It seems like the --- - name: Reload service ssh, in all cases hosts: yourinventoryname become: true tasks: - name: Reload SSH service ansible. I am using WSL with ubuntu 20. EXPECTED RESULTS. 2 The issue also persists in devel and stable-2. ping for easy linking to the module documentation and to avoid conflicting with Im trying to get started with Ansible, but am getting stuck at what appears to be a common problem - yet I cannot find the solution. If the connection timeout is longer than the middle wait_for, the play will return ok (even though the device takes ~5 minutes to restore after the ios_command) (note I adjusted the connect_timeout to 300s vs the 30s shown in the configuration output above) The python package that will be used by the network_cli connection plugin to create a SSH connection to remote host. yml --limit @playbook. In most cases, you can However, SSH connection issues can disrupt Ansible’s functionality, causing playbooks to fail and automation workflows to break down. 2 ansible_connection: "network_cli" ansible_network_os: "ios" ansible_user: "cisco" Ansible returns "unreachable" for the SFTP connection, not SSH. /hosts remote_user = your_user host_key_checking = False timeout = 30 [ssh_connection] ssh_args = -o ControlMaster=auto -o ControlPersist=60s This connection plugin allows ansible to communicate to the target machines via normal ssh command line. Ansible Troubleshooting SSH Connection Issues. 3 CONFIGURATION N/A OS / ENVIRONMENT N/A SUMMARY When connecting to a host with user/pass and using the ssh connection plugin, SSH retries will fail due to bad By default Ansible will run your playbook for all specified hosts. Most of time I use async + poll to avoid timeout, but some times I forget , then ansible auto rerun my module with SUMMARY ssh connection retry is too verbose at -vvv (shows rc/stdout/stderr) After the ssh retry decorator was added in 1fe67f9 verbose levels of -vvv or higher now display the return code, stdout, and stderr from the shh invocation as l In Ansible 2. Using Ansible's default SSH connection plugin with retries solves this as the second connection attempt works for those few hosts, but with the mitogen plugin no retries are made. - Ansible does not expose a channel to allow communication between the user and the SSH process to accept Summary. So - you don't talk to the device via default ssh, but via network_cli. yml Enable ssh connection retries in Ansible playbooks. This article will look into common search_regex: OpenSSH. $ ANSIBLE_SSH_RETRIES=1 ansible-playbook -i hosts playbook. Issue Type ISSUE TYPE Bug Report COMPONENT NAME plugins/connection/ssh ANSIBLE VERSION 2. # to Here, I was not sure why the key is not even allowing manual ssh. When I run ansible -vvvvvvvvvvv all -m ping ansible fails with the following. pub copy the entire key and paste in file (of master node located at path: /. Ansible retry until file exists. Stack Exchange Network. This is due to replication likely. cfg file is key to avoiding connection issues. xxx. all: hosts: CSR_01: ansible_host: 192. Note. When I try to configure ssh retry parameter through vars in a delegated task, it does not behave correctly. ansible-playbook playbook. 0. Visit Stack Exchange Here, I was not sure why the key is not even allowing manual ssh. In this case, although the ssh daemon ends up being UP after few seconds, the task wait_for_connection fails (timeout). ACTUAL RESULTS. Ansible supports several sources for configuring its behavior, including an ini file named ansible. Code Issues Proposed changes Enable ssh connection retries in Ansible playbooks # Number of times to retry an SSH connection to a host, in case of UNREACHABLE. Summary: Ansible consistently fails when updating several git repositories on a git + with_items task. Same AWS AMI is being used to build nodes, using the same key, works sometimes in some envs, others it fails. This has undesired impact when using a sudo password and making a typo in the password: Stricter SSH host key permissions have been restored. If the connection timeout is longer than the middle wait_for, the play will return ok (even though the device takes ~5 minutes to restore after the ios_command) (note I adjusted the connect_timeout to 300s vs the 30s shown in the configuration output above) Here is my playbook having three tasks: - name: Play 2- Configure Source nodes hosts: all_hosts vars: ansible_ssh_extra_args: -o StrictHostKeyChecking=no -o ConnectTimeout=8 -o Note. Below is an example of an optimized ansible. Ansible does not expose a channel to allow communication between the user and the ssh process to accept a password manually to decrypt an ssh key when using this connection plugin (which is the default). In most cases, you can use the short module name wait_for even without specifying the collections keyword. ; Edge computing Deploy workloads closer to the source with security-focused edge technology. βε (thanks mate!) points to the Ansible documentation introducing ignore_unreachable since Ansible 2. The behavior can be modified to previous version by editing the default ansible. unable to open shell. ssh/ or /root/. This connection plugin is part of ansible-core and included in all Ansible installations. Warning. You have to add the SSH fingerprints to the end machines. builtin. 48. [Manual ssh worked with that file] Environment: Controller: OS X 10. I want to wait for ssh is accessible before I run task/roles or gather facts, currently I have something like this - hosts: app become: true become_user: root pre_tasks: - name: Wait 300 SSH Configuration in Ansible. starlingx/ansible-playbooks. However, we recommend you use the FQCN for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same - This connection plugin allows Ansible to communicate to the target machines through normal SSH command line. - Ansible does not expose a channel to allow communication between the user and the SSH process to accept Warning. This guide provides a comprehensive exploration of the potential causes behind this error and walks you through how to fix it. Ansible will now use the ssh connection plugin by default on a macOS control node. libssh will use the ansible-pylibssh package, which needs to be installed in order to work. Reload to refresh your session. Im not sure exactly why ansible is unable to ping. Using the global configuration (in ansible. --- # file: group_vars/all ansible_connection: ssh ansible_ssh_user: vagrant ansible_ssh_pass: vagrant If Ansible cannot connect to a host, it marks that host as ‘UNREACHABLE’ and removes it from the list of active hosts for the run. delay: 10. You can set variables that apply to all hosts by using the playbook layout specified in Ansible's Best Practices document and creating a group_vars/all file where you define them. You could try to convert it first in OpenSSH format, see if it solves your issue. cfg. I use wait_for_connection with delegate_to: <IP> to wait the ssh connection on host. See Controlling how Ansible behaves: precedence rules for details on the relative precedence of each source. A better way would to be to implement some "retry" logic for a certain amount of time. The ansible-config utility allows users to see all the Ansible Version:1. [Manual ssh worked with that file] $ cd /root/. cfg: scp_if_ssh = True Share. Ansible retry infinite without Use ANSIBLE_SSH_RETRIES environment variable to perform an additional connection attempt. cfg): [persistent_connection] command_timeout = 60 Share. For By looking at this error, one might think there is an issue with the SSH connection. The SSH connection itself is good since several other tasks run successfully on the same host prior to this task. The use of ssh-agent is highly recommended. 04 under Windows, within u Ansible Configuration Settings . I try to set up a very basic ansible connection with Cisco alwayson sandbox, but experience problem to connect to the devices using Ansible. retry file with the names of the failed hosts, which you can then re-run using:. 04 under Windows, within u If you see into the documentation don't use SSH as connection type, but network_cli. auto will use ansible-pylibssh if that package is installed, otherwise will fallback to . The direct comment by β. I can successfully ssh without the need of a password using the same, to all of the above hosts. 11. Follow ansible SSH connection fail. How to retry a task in ansible until a certain condition is met. systemd: name: sshd state: restarted - name: Wait for SSH service to be available hosts: all gather_facts: false tasks: - name: Wait for port 22 to become open and contain "OpenSSH" ansible. Make sure this host can be reached over ssh", "unreachable": true} I have enabled [ssh_connection] retries=10 in ansible. cfg however it seems retry is not being enforced for the following connection-related error: PLAY [all] ***** TASK [Gathering Ansible retry examples. The ``become_user`` parameter should be used to configure which user to run commands as. This module is part of ansible-core and included in all Ansible installations. 100 ansible_ssh_pass=vagrant ansible_ssh_user=vagrant After that I can connect to the remote host: Please, explain what answer has to do with ssh connection problem and why vagrant on localhost is relevant. ssh/known_hosts by setting I try to set up a very basic ansible connection with Cisco alwayson sandbox, but experience problem to connect to the devices using Ansible. 168. 04 VM and the host i want to reach is a CentOS 7 VM. k@laptop:~$ ansible all -m ping 54. 1 -> 2. 7. 33. Reproduction Steps Run packer build -on-er You signed in with another tab or window. yml --connection=local Define it in your playbook: - hosts: local connection: local Or, preferable, define it as a host var just for localhost/127. Ansible ping to remote host works on local connection but not otherwise. Ansible Configuration Settings¶. In most cases, you can use the short plugin name ssh even without specifying the collections: keyword. In the default Ansible example, delay is 10s, but I've also added timeout to 300s in my example (below) so it will You're looking for the meta module reset_connection action; this will interrupt the connection so that following tasks will need to establish a new connection. Ansible by default tries to connect through ssh. Add the following the inventory file: [all:vars] ansible_connection=ssh ansible_user=deploy ansible_sudo=true ansible_become=true ansible_ssh_common_args='-o StrictHostKeyChecking=no' Added the following the Application platform Simplify the way you build, deploy, manage, and secure apps across the hybrid cloud. Depending on what that step does, it might not be idempotent, and you can get errors like "No such file: /home/me/. If there is a connection error in the middle of these steps, ansible will retry the last executed SSH command. You switched accounts on another tab or window. But in the host, the ssh daemon is not UP immediately (this is why I use wait_for_connection). failures that are observed in batch subcloud deployment or. ansible/tmp/abcdef". That might look One of the most common issues users face is the “Failed to connect to the host via ssh!” error, which indicates that Ansible cannot establish an SSH connection with the target server. Learn how to resolve SSH authentication errors in Ansible due to unestablished host authenticity for seamless playbook If Ansible cannot connect to a host, it marks that host as ‘UNREACHABLE’ and removes it from the list of active hosts for the run. # For each retry attempt, there is an exponential backoff, # so after the first attempt there is 1s wait, then As far as connection to hosts go, Ansible sets up SSH connection between the master machine and the host machines. com". paramiko will instead use the paramiko package to manage the SSH connection. , adding the fingerprints to . Resetting Unreachable Hosts New in version 2. 2 ansible_connection: "network_cli" ansible_network_os: "ios" ansible_user: "cisco" As far as connection to hosts go, Ansible sets up SSH connection between the master machine and the host machines. I've tried the following. Summary I use jenkins+ansible, and I have some modules which may take a long time. wait_for: port It seems mitogen does not retry ssh connection if a host is unreachable. 1 CONFIGURATION Not important OS / ENVIRONMENT Not important SUMMARY If localhost is defined in the inventory, Ansible will connect to it using SSH - This connection plugin allows Ansible to communicate to the target machines through normal SSH command line. Should wait until device has finished rebooting and reconnect. 8, retry_files_enabled now defaults to False instead of True. The unable to open shell message means that the ansible-connection daemon has not been able to successfully talk to the remote network device. wait_for_connection module – Waits until remote system is reachable/usable. Though it doesn't make Ansible automatically retry, the playbook can be rerun with --limit option to cover the hosts on which failure occurred. You can then catch the unreachability from a variable like: - name: "Connection attempt" ping: ignore_unreachable: true register: "conn" - block: - name: "Change credentials" set_fact: ansible_ssh_user: "{{ whatever Retry if unreachable . retry Overview of the Issue Ansible provisioner fails when run by Packer, runs successfully on its own. You can use meta: clear_host_errors to reactivate all hosts, so subsequent tasks can try to reach them again. In this commit: - Allow ssh retries in the playbooks in case of unreachable. wait_for for easy linking to the module documentation and to avoid conflicting This may include warnings about 3rd party packages or # other conditions that should be resolved if possible. 1. com]: UNREACHABLE! => {"changed": false, "msg": "SSH Error: data could not be sent to remote host "example. 1. # to disable these warnings, set the following value to False: #system_warnings = True # by default (as of 1. My hosts file is the following : [test] 192. You can always skip the Are you sure you want to continue connecting (yes/no/[fingerprint]) step i. Follow answered Nov 28, 2022 at 12:00. Ansible will attempt to remote connect to the machines using our current user name (k), just like SSH would. cfg file for SSH: [defaults] inventory = . You can define this when calling the playbook: ansible-playbook playbook. connection: local. --- # file: group_vars/all ansible_connection: ssh ansible_ssh_user: vagrant ansible_ssh_pass: vagrant With the above parameters, autossh will try launching ssh every AUTOSSH_POLL seconds, AUTOSSH_GATETIME=0 makes it try again if the first try fails (so definitely what you want), -M 0 disables connection checking by autossh, all later options are passed to ssh. 67. If any of them fails, it will still continue running the playbook for the rest of the hosts, and in the end will create a playbook. ssh) as: $ sudo nano authorized_keys Then run this to check: $ ansible all -m ping -u root Output should be like this: If you see into the documentation don't use SSH as connection type, but network_cli. The first time around (when the repos are initially cloned) works fine, but afterwards it consistently fails after checking the first few repositories. This generally means that there is an authentication issue. ansible-playbooks - StarlingX Ansible Playbooks. . ssh $ ssh-keygen -t rsa save key under the name of id_rsa $ cat id_rsa. 10 | success >> { "changed": false, "ping": "pong" } SSH connection (without ansible) with working nicely so i don't really understand the issue. Proper SSH configuration in the ansible. Remote commands will often default to running as the ``ssm-agent`` user, however this will also depend on how SSM I think this can be solved with retries parameter in ansible. cfg (for whatever reason). SSH setup properly but ansible cannot Group Variables. 7 Environment: Windows Summary: If Ansible tries to connect to a server which is in reboot (and therefore briefly unavailable), it will just hang there, never completing (not even after the computer has finished restarting). Ansible retry include_tasks. The community. 0. – Group Variables. So, I generated a new key(pem file) and worked with it. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. Connection failures set hosts as ‘UNREACHABLE’, which will remove them from the list of active hosts for the run. Default retry parameter is 3 which works as expected when not Starting with ansible-core-2. Put that as a host specific var into your inventory. I'm running Ansible on a Ubuntu 16. Explore Get Started. For localhost you should set the connection to local. 04. 10. This can be combined with error This connection plugin allows Ansible to communicate to the target machines ansible. Just upgraded from 2. xxx ansible_ssh_user=remote ansible_ssh_pass=password ansible_sudo_pass='password' #VM CentOS You need to change the ansible_ssh_pass as well or ssh key, for example I am using this in my inventory file: 192. Thanks to our setup in previous section, Ansible can directly SSH into the managed servers, and we can ping to our aws instance. ssh/known_hosts by setting ISSUE TYPE Bug Report ANSIBLE VERSION 2. aws_ssm connection plugin does not support using the ``remote_user`` and ``ansible_user`` variables to configure the remote user. Handlers and failure Ansible runs handlers at the end of each play. ; Artificial intelligence Build, deploy, and monitor AI models and apps with Red Hat's open source platforms. In most cases, you can use the short module name ping even without specifying the collections keyword. e. 2 Controlled: Ubuntu 14. The two -o options make ssh exit if the connections drops for more than 5s. Improve this answer. 4), Ansible may display deprecation warnings for language # features that should no longer be used and will be removed in future versions. hddzj qyqku eicmvb yxllipz jdh idyrty brsgl femwn banil sueuji