Putting EC2 Instance public Ip in Ansible Host File - ansible

Hey I am new to Ansible and working with it for a project one of the steps is to input our rhel7 instance public ip address into the Ansible hosts file. We weren't given any other instruction and I wanted to make sure I did so correctly (line 11 of my Hosts File), any feedback would be greatly appreciated. Hosts File
# This is the default ansible 'hosts' file.
#
# It should live in /etc/ansible/hosts
#
# - Comments begin with the '#' character
# - Blank lines are ignored
# - Groups of hosts are delimited by [header] elements
# - You can enter hostnames or ip addresses
# - A hostname/ip can be a member of multiple groups
# Ex 1: Ungrouped hosts, specify before any group headers.
3.82.200.205
## green.example.com
## blue.example.com
## 192.168.100.1
## 192.168.100.10
# Ex 2: A collection of hosts belonging to the 'webservers' group
##[webservers]
## alpha.example.org
## beta.example.org
## 192.168.1.100
## 192.168.1.110
# If you have multiple hosts following a pattern you can specify
# them like this:
## www[001:006].example.com
# Ex 3: A collection of database servers in the 'dbservers' group
## [dbservers]
##
## db01.intranet.mydomain.net
## db02.intranet.mydomain.net
## 10.25.1.56
## 10.25.1.57
# Here's another example of host ranges, this time there are no
# leading 0s:
## db-[99:101]-node.example.com

To add-on Vladimir's answer, the servers created in AWS normally come with Elastic IP and it can be changed after you restart the server
So you need to make it dynamic inventory when your system becomes bigger and more complex, take an example from this article: https://medium.com/happy5/aws-dynamic-inventory-and-ansible-thank-god-i-can-sleep-more-4d2aeadbc6f. This approach works for me and I use it to manage more than 50 AWS EC2 instances with dynamic IPs
And looks like there is AWS plugin here: https://docs.ansible.com/ansible/latest/plugins/inventory/aws_ec2.html, I haven't give a try on this solution yet, but it may have some advantage as this is from Ansible official document

Yes. It's correct. Here is a link to Working with Inventory (for the record).

Related

Cannot access wsl web app from windows after installing docker

I had no issues with accessing my apps running in Ubuntu through WSL from windows until I installed docker and did a reboot.
I checked my hosts configuration file and it looked something like the following:
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handled within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost
# Added by Docker Desktop
192.168.1.244 host.docker.internal
192.168.1.244 gateway.docker.internal
# To allow the same kube context to work on the host and the container:
127.0.0.1 kubernetes.docker.internal
# End of section
I commented out the second to last line
# 127.0.0.1 kubernetes.docker.internal
and flushed my dns using
ipconfig /flushdns
but still if I try to access my node app running on port 3001 in wsl my browser gives the "Can't reach this page message"
This isn't an issue with node or my app because I am able to successfully curl my app from the ubuntu terminal
I was able to fix the issue by simply adding the ip address for wsl to my hosts file above the docker declaration:
<ip address of wsl> localhost

VPN Cisco IPSec change DNS

When I make connection vpn on macos (10.14.4) my dns will be change.
with normal wifi connection:
# bash-3.2# cat /etc/resolv.conf
# macOS Notice
#
# This file is not consulted for DNS hostname resolution, address
# resolution, or the DNS query routing mechanism used by most
# processes on this system.
#
# To view the DNS configuration used by this system, use:
# scutil --dns
#
# SEE ALSO
# dns-sd(1), scutil(8)
#
# This file is automatically generated.
#
nameserver 8.8.8.8
nameserver 8.8.4.4
with vpn connection:
bash-3.2# cat /etc/resolv.conf
#
# macOS Notice
#
# This file is not consulted for DNS hostname resolution, address
# resolution, or the DNS query routing mechanism used by most
# processes on this system.
#
# To view the DNS configuration used by this system, use:
# scutil --dns
#
# SEE ALSO
# dns-sd(1), scutil(8)
#
# This file is automatically generated.
#
nameserver 10.80.3.1
I don't want change nameserver.
I wonder why does it change and how to fix?
its set by the Cisco, like
username USER attributes
vpn-group-policy POLICY
group-policy POLICY
dns-server value 10.8.3.1
not sure if you can override it by system -> network -> your-vpn -> options -> dns..

NXOS Ansible "Connection failure: timed out"

I am very new to Ansible and am trying to run my first playbook against a nexus 5600. I am using the cisco-programmable-fabric playbook I have connectivity to the N5K, and can ping it from the Centos7 VM. I can also access the NXAPI sandbox via the browser.
When I run the playbook I the errors shown in the picture. One host gets gets a connection timed out error. The host "mt-l1" has an error with a redirect.
Ansible version is 2.5.1 and python version is 2.7.5.
Errors
NXAPI Config
hosts file
etc/hosts file
# config file for ansible -- https://ansible.com/
# ===============================================
# nearly all parameters can be overridden in ansible-playbook
# or with command line flags. ansible will read ANSIBLE_CONFIG,
# ansible.cfg in the current working directory, .ansible.cfg in
# the home directory or /etc/ansible/ansible.cfg, whichever it
# finds first
[defaults]
# some basic default values...
inventory = /etc/ansible/hosts
library = /usr/share/my_modules/
module_utils = /usr/share/my_module_utils/
remote_tmp = ~/.ansible/tmp
local_tmp = ~/.ansible/tmp
plugin_filters_cfg = /etc/ansible/plugin_filters.yml
forks = 5
poll_interval = 15
#sudo_user = root
#ask_sudo_pass = True
#ask_pass = True
transport = smart
remote_port = 22
module_lang = C
module_set_locale = False
# plays will gather facts by default, which contain information about
# the remote system.
#
# smart - gather by default, but don't regather if already gathered
# implicit - gather by default, turn off with gather_facts: False
# explicit - do not gather by default, must say gather_facts: True
#gathering = implicit
# This only affects the gathering done by a play's gather_facts directive,
# by default gathering retrieves all facts subsets
# all - gather all subsets
# network - gather min and network facts
# hardware - gather hardware facts (longest facts to retrieve)
# virtual - gather min and virtual facts
# facter - import facts from facter
# ohai - import facts from ohai
# You can combine them using comma (ex: network,virtual)
# You can negate them using ! (ex: !hardware,!facter,!ohai)
# A minimal set of facts is always gathered.
#gather_subset = all
# some hardware related facts are collected
# with a maximum timeout of 10 seconds. This
# option lets you increase or decrease that
# timeout to something more suitable for the
# environment.
# gather_timeout = 10
# additional paths to search for roles in, colon separated
#roles_path = /etc/ansible/roles
# uncomment this to disable SSH key host checking
#host_key_checking = False
# change the default callback, you can only have one 'stdout' type enabled at a time.
#stdout_callback = skippy
## Ansible ships with some plugins that require whitelisting,
## this is done to avoid running all of a type by default.
## These setting lists those that you want enabled for your system.
## Custom plugins should not need this unless plugin author specifies it.
# enable callback plugins, they can output to stdout but cannot be 'stdout' type.
#callback_whitelist = timer, mail
# Determine whether includes in tasks and handlers are "static" by
# default. As of 2.0, includes are dynamic by default. Setting these
# values to True will make includes behave more like they did in the
# 1.x versions.
#task_includes_static = False
#handler_includes_static = False
# Controls if a missing handler for a notification event is an error or a warning
#error_on_missing_handler = True
# change this for alternative sudo implementations
#sudo_exe = sudo
# What flags to pass to sudo
# WARNING: leaving out the defaults might create unexpected behaviours
#sudo_flags = -H -S -n
# SSH timeout
#timeout = 10
# default user to use for playbooks if user is not specified
# (/usr/bin/ansible will use current user as default)
#remote_user = root
# logging is off by default unless this path is defined
# if so defined, consider logrotate
#log_path = /var/log/ansible.log
# default module name for /usr/bin/ansible
#module_name = command
# use this shell for commands executed under sudo
# you may need to change this to bin/bash in rare instances
# if sudo is constrained
#executable = /bin/sh
# if inventory variables overlap, does the higher precedence one win
# or are hash values merged together? The default is 'replace' but
# this can also be set to 'merge'.
#hash_behaviour = replace
# by default, variables from roles will be visible in the global variable
# scope. To prevent this, the following option can be enabled, and only
# tasks and handlers within the role will see the variables there
#private_role_vars = yes
# list any Jinja2 extensions to enable here:
#jinja2_extensions = jinja2.ext.do,jinja2.ext.i18n
# if set, always use this private key file for authentication, same as
# if passing --private-key to ansible or ansible-playbook
#private_key_file = /path/to/file
# If set, configures the path to the Vault password file as an alternative to
# specifying --vault-password-file on the command line.
#vault_password_file = /path/to/vault_password_file
# format of string {{ ansible_managed }} available within Jinja2
# templates indicates to users editing templates files will be replaced.
# replacing {file}, {host} and {uid} and strftime codes with proper values.
#ansible_managed = Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by {uid} on {host}
# {file}, {host}, {uid}, and the timestamp can all interfere with idempotence
# in some situations so the default is a static string:
#ansible_managed = Ansible managed
# by default, ansible-playbook will display "Skipping [host]" if it determines a task
# should not be run on a host. Set this to "False" if you don't want to see these "Skipping"
# messages. NOTE: the task header will still be shown regardless of whether or not the
# task is skipped.
#display_skipped_hosts = True
# by default, if a task in a playbook does not include a name: field then
# ansible-playbook will construct a header that includes the task's action but
# not the task's args. This is a security feature because ansible cannot know
# if the *module* considers an argument to be no_log at the time that the
# header is printed. If your environment doesn't have a problem securing
# stdout from ansible-playbook (or you have manually specified no_log in your
# playbook on all of the tasks where you have secret information) then you can
# safely set this to True to get more informative messages.
#display_args_to_stdout = False
# by default (as of 1.3), Ansible will raise errors when attempting to dereference
# Jinja2 variables that are not set in templates or action lines. Uncomment this line
# to revert the behavior to pre-1.3.
#error_on_undefined_vars = False
# by default (as of 1.6), Ansible may display warnings based on the configuration of the
# system running ansible itself. This may include warnings about 3rd party packages or
# other conditions that should be resolved if possible.
# to disable these warnings, set the following value to False:
#system_warnings = True
# by default (as of 1.4), Ansible may display deprecation warnings for language
# features that should no longer be used and will be removed in future versions.
# to disable these warnings, set the following value to False:
#deprecation_warnings = True
# (as of 1.8), Ansible can optionally warn when usage of the shell and
# command module appear to be simplified by using a default Ansible module
# instead. These warnings can be silenced by adjusting the following
# setting or adding warn=yes or warn=no to the end of the command line
# parameter string. This will for example suggest using the git module
# instead of shelling out to the git command.
# command_warnings = False
# set plugin path directories here, separate with colons
#action_plugins = /usr/share/ansible/plugins/action
#cache_plugins = /usr/share/ansible/plugins/cache
#callback_plugins = /usr/share/ansible/plugins/callback
#connection_plugins = /usr/share/ansible/plugins/connection
#lookup_plugins = /usr/share/ansible/plugins/lookup
#inventory_plugins = /usr/share/ansible/plugins/inventory
#vars_plugins = /usr/share/ansible/plugins/vars
#filter_plugins = /usr/share/ansible/plugins/filter
#test_plugins = /usr/share/ansible/plugins/test
#terminal_plugins = /usr/share/ansible/plugins/terminal
#strategy_plugins = /usr/share/ansible/plugins/strategy
# by default, ansible will use the 'linear' strategy but you may want to try
# another one
#strategy = free
# by default callbacks are not loaded for /bin/ansible, enable this if you
# want, for example, a notification or logging callback to also apply to
# /bin/ansible runs
#bin_ansible_callbacks = False
# don't like cows? that's unfortunate.
# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
#nocows = 1
# set which cowsay stencil you'd like to use by default. When set to 'random',
# a random stencil will be selected for each task. The selection will be filtered
# against the `cow_whitelist` option below.
#cow_selection = default
#cow_selection = random
# when using the 'random' option for cowsay, stencils will be restricted to this list.
# it should be formatted as a comma-separated list with no spaces between names.
# NOTE: line continuations here are for formatting purposes only, as the INI parser
# in python does not support them.
#cow_whitelist=bud-frogs,bunny,cheese,daemon,default,dragon,elephant-in-snake,elephant,eyes,\
# hellokitty,kitty,luke-koala,meow,milk,moofasa,moose,ren,sheep,small,stegosaurus,\
# stimpy,supermilker,three-eyes,turkey,turtle,tux,udder,vader-koala,vader,www
# don't like colors either?
# set to 1 if you don't want colors, or export ANSIBLE_NOCOLOR=1
#nocolor = 1
# if set to a persistent type (not 'memory', for example 'redis') fact values
# from previous runs in Ansible will be stored. This may be useful when
# wanting to use, for example, IP information from one group of servers
# without having to talk to them in the same playbook run to get their
# current IP information.
#fact_caching = memory
# retry files
# When a playbook fails by default a .retry file will be created in ~/
# You can disable this feature by setting retry_files_enabled to False
# and you can change the location of the files by setting retry_files_save_path
#retry_files_enabled = False
#retry_files_save_path = ~/.ansible-retry
# squash actions
# Ansible can optimise actions that call modules with list parameters
# when looping. Instead of calling the module once per with_ item, the
# module is called once with all items at once. Currently this only works
# under limited circumstances, and only with parameters named 'name'.
#squash_actions = apk,apt,dnf,homebrew,pacman,pkgng,yum,zypper
# prevents logging of task data, off by default
#no_log = False
# prevents logging of tasks, but only on the targets, data is still logged on the master/controller
#no_target_syslog = False
# controls whether Ansible will raise an error or warning if a task has no
# choice but to create world readable temporary files to execute a module on
# the remote machine. This option is False by default for security. Users may
# turn this on to have behaviour more like Ansible prior to 2.1.x. See
# https://docs.ansible.com/ansible/become.html#becoming-an-unprivileged-user
# for more secure ways to fix this than enabling this option.
#allow_world_readable_tmpfiles = False
# controls the compression level of variables sent to
# worker processes. At the default of 0, no compression
# is used. This value must be an integer from 0 to 9.
#var_compression_level = 9
# controls what compression method is used for new-style ansible modules when
# they are sent to the remote system. The compression types depend on having
# support compiled into both the controller's python and the client's python.
# The names should match with the python Zipfile compression types:
# * ZIP_STORED (no compression. available everywhere)
# * ZIP_DEFLATED (uses zlib, the default)
# These values may be set per host via the ansible_module_compression inventory
# variable
#module_compression = 'ZIP_DEFLATED'
# This controls the cutoff point (in bytes) on --diff for files
# set to 0 for unlimited (RAM may suffer!).
#max_diff_size = 1048576
# This controls how ansible handles multiple --tags and --skip-tags arguments
# on the CLI. If this is True then multiple arguments are merged together. If
# it is False, then the last specified argument is used and the others are ignored.
# This option will be removed in 2.8.
#merge_multiple_cli_flags = True
# Controls showing custom stats at the end, off by default
#show_custom_stats = True
# Controls which files to ignore when using a directory as inventory with
# possibly multiple sources (both static and dynamic)
#inventory_ignore_extensions = ~, .orig, .bak, .ini, .cfg, .retry, .pyc, .pyo
# This family of modules use an alternative execution path optimized for network appliances
# only update this setting if you know how this works, otherwise it can break module execution
#network_group_modules=eos, nxos, ios, iosxr, junos, vyos
# When enabled, this option allows lookups (via variables like {{lookup('foo')}} or when used as
# a loop with `with_foo`) to return data that is not marked "unsafe". This means the data may contain
# jinja2 templating language which will be run through the templating engine.
# ENABLING THIS COULD BE A SECURITY RISK
#allow_unsafe_lookups = False
# set default errors for all plays
#any_errors_fatal = False
[inventory]
# enable inventory plugins, default: 'host_list', 'script', 'yaml', 'ini'
#enable_plugins = host_list, virtualbox, yaml, constructed
# ignore these extensions when parsing a directory as inventory source
#ignore_extensions = .pyc, .pyo, .swp, .bak, ~, .rpm, .md, .txt, ~, .orig, .ini, .cfg, .retry
# ignore files matching these patterns when parsing a directory as inventory source
#ignore_patterns=
# If 'true' unparsed inventory sources become fatal errors, they are warnings otherwise.
#unparsed_is_failed=False
[privilege_escalation]
#become=True
#become_method=sudo
#become_user=root
#become_ask_pass=False
[paramiko_connection]
# uncomment this line to cause the paramiko connection plugin to not record new host
# keys encountered. Increases performance on new host additions. Setting works independently of the
# host key checking setting above.
#record_host_keys=False
# by default, Ansible requests a pseudo-terminal for commands executed under sudo. Uncomment this
# line to disable this behaviour.
#pty=False
# paramiko will default to looking for SSH keys initially when trying to
# authenticate to remote devices. This is a problem for some network devices
# that close the connection after a key failure. Uncomment this line to
# disable the Paramiko look for keys function
#look_for_keys = False
# When using persistent connections with Paramiko, the connection runs in a
# background process. If the host doesn't already have a valid SSH key, by
# default Ansible will prompt to add the host key. This will cause connections
# running in background processes to fail. Uncomment this line to have
# Paramiko automatically add host keys.
#host_key_auto_add = True
[ssh_connection]
# ssh arguments to use
# Leaving off ControlPersist will result in poor performance, so use
# paramiko on older platforms rather than removing it, -C controls compression use
#ssh_args = -C -o ControlMaster=auto -o ControlPersist=60s
# The base directory for the ControlPath sockets.
# This is the "%(directory)s" in the control_path option
#
# Example:
# control_path_dir = /tmp/.ansible/cp
#control_path_dir = ~/.ansible/cp
# The path to use for the ControlPath sockets. This defaults to a hashed string of the hostname,
# port and username (empty string in the config). The hash mitigates a common problem users
# found with long hostames and the conventional %(directory)s/ansible-ssh-%%h-%%p-%%r format.
# In those cases, a "too long for Unix domain socket" ssh error would occur.
#
# Example:
# control_path = %(directory)s/%%h-%%r
#control_path =
# Enabling pipelining reduces the number of SSH operations required to
# execute a module on the remote server. This can result in a significant
# performance improvement when enabled, however when using "sudo:" you must
# first disable 'requiretty' in /etc/sudoers
#
# By default, this option is disabled to preserve compatibility with
# sudoers configurations that have requiretty (the default on many distros).
#
#pipelining = False
# Control the mechanism for transferring files (old)
# * smart = try sftp and then try scp [default]
# * True = use scp only
# * False = use sftp only
#scp_if_ssh = smart
# Control the mechanism for transferring files (new)
# If set, this will override the scp_if_ssh option
# * sftp = use sftp to transfer files
# * scp = use scp to transfer files
# * piped = use 'dd' over SSH to transfer files
# * smart = try sftp, scp, and piped, in that order [default]
#transfer_method = smart
# if False, sftp will not use batch mode to transfer files. This may cause some
# types of file transfer failures impossible to catch however, and should
# only be disabled if your sftp version has problems with batch mode
#sftp_batch_mode = False
# The -tt argument is passed to ssh when pipelining is not enabled because sudo
# requires a tty by default.
#use_tty = True
[persistent_connection]
# Configures the persistent connection timeout value in seconds. This value is
# how long the persistent connection will remain idle before it is destroyed.
# If the connection doesn't receive a request before the timeout value
# expires, the connection is shutdown. The default value is 30 seconds.
#connect_timeout = 30
# Configures the persistent connection retry timeout. This value configures the
# the retry timeout that ansible-connection will wait to connect
# to the local domain socket. This value must be larger than the
# ssh timeout (timeout) and less than persistent connection idle timeout (connect_timeout).
# The default value is 15 seconds.
#connect_retry_timeout = 15
# The command timeout value defines the amount of time to wait for a command
# or RPC call before timing out. The value for the command timeout must
# be less than the value of the persistent connection idle timeout (connect_timeout)
# The default value is 10 second.
#command_timeout = 10
[accelerate]
#accelerate_port = 5099
#accelerate_timeout = 30
#accelerate_connect_timeout = 5.0
# The daemon timeout is measured in minutes. This time is measured
# from the last activity to the accelerate daemon.
#accelerate_daemon_timeout = 30
# If set to yes, accelerate_multi_key will allow multiple
# private keys to be uploaded to it, though each user must
# have access to the system via SSH to add a new key. The default
# is "no".
#accelerate_multi_key = yes
[selinux]
# file systems that require special treatment when dealing with security context
# the default behaviour that copies the existing context or uses the user default
# needs to be changed to use the file system dependent context.
#special_context_filesystems=nfs,vboxsf,fuse,ramfs,9p
# Set this to yes to allow libvirt_lxc connections to work without SELinux.
#libvirt_lxc_noseclabel = yes
[colors]
#highlight = white
#verbose = blue
#warn = bright purple
#error = red
#debug = dark gray
#deprecate = purple
#skip = cyan
#unreachable = red
#ok = green
#changed = yellow
#diff_add = green
#diff_remove = red
#diff_lines = cyan
[diff]
# Always print diff when running ( same as always running with -D/--diff )
# always = no
# Set how many context lines to show in diff
# context = 3
Any ideas on what I am doing wrong? Help is greatly appreciated!
"Connection failure: timed out", "status": -1, "url" :"http://192.168.77.15:80/ins"
It appears from your error message that the connection to the devices using the nxos_config module is attempting to use a proxy server. I'm guessing that since you are manipulating /etc/hosts on your local machine that these devices are not registered in DNS, and therefore the proxy would not be able to reach them.
As a quick test, I would run the following commands and re-run your playbook.
unset HTTP_PROXY
unset HTTPS_PROXY
unset http_proxy
unset https_proxy
Assuming that works, you could have a peek here for a more elegant fix
HTH

ansible:Failed to connect to the host via ssh: Warning: Permanently added '10.90.0.2' (ECDSA) to the list of known hosts.\r\nPermission denied

i want to use the key login some host, but some err happened
my files is this below:
[jenkins#ci-jenkins-slave-dev test]$ ls
ansible.cfg hosts test.yml
my hosts file:
[jenkins#ci-jenkins-slave-dev test]$ cat hosts
[controller]
10.90.0.2 ssh_key_pass=passw0rd ansible_ssh_user=root
my playbook:
[jenkins#ci-jenkins-slave-dev test]$ cat test.yml
---
- name: test
hosts: controller
tasks:
- name: add key
authorized_key:
user: root
key: "{{ lookup('file', '~/.ssh/id_rsa.pub') }}"
when run playbook :
[jenkins#ci-jenkins-slave-dev test]$ ansible-playbook test.yml
PLAY [test] ******************************************************************************************************************************************************************************************************************************************************************
TASK [add key] ***************************************************************************************************************************************************************************************************************************************************************
fatal: [10.90.0.2]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Warning: Permanently added '10.90.0.2' (ECDSA) to the list of known hosts.\r\nPermission denied (publickey,password).\r\n", "unreachable": true}
to retry, use: --limit #/home/jenkins/ansible-test/test/test.retry
PLAY RECAP *******************************************************************************************************************************************************************************************************************************************************************
10.90.0.2 : ok=0 changed=0 unreachable=1 failed=0
I can use "ssh root#10.90.0.2 "and input "passw0rd" to login but ansible can't ,i want to know what's wrong ?
my ansible.cfg :
[jenkins#ci-jenkins-slave-dev test]$ cat ansible.cfg
# config file for ansible -- http://ansible.com/
# ==============================================
# nearly all parameters can be overridden in ansible-playbook
# or with command line flags. ansible will read ANSIBLE_CONFIG,
# ansible.cfg in the current working directory, .ansible.cfg in
# the home directory or /etc/ansible/ansible.cfg, whichever it
# finds first
[defaults]
# some basic default values...
hostfile = ./hosts
library = /usr/share/ansible
remote_tmp = $HOME/.ansible/tmp
pattern = *
forks = 5
poll_interval = 15
sudo_user = root
#ask_sudo_pass = True
#ask_pass = True
transport = smart
remote_port = 22
module_lang = C
# plays will gather facts by default, which contain information about
# the remote system.
#
# smart - gather by default, but don't regather if already gathered
# implicit - gather by default, turn off with gather_facts: False
# explicit - do not gather by default, must say gather_facts: True
gathering = explicit
# additional paths to search for roles in, colon separated
#roles_path = /etc/ansible/roles
# uncomment this to disable SSH key host checking
host_key_checking = False
# change this for alternative sudo implementations
sudo_exe = sudo
# what flags to pass to sudo
#sudo_flags = -H
# SSH timeout
timeout = 10
# default user to use for playbooks if user is not specified
# (/usr/bin/ansible will use current user as default)
remote_user = root
# logging is off by default unless this path is defined
# if so defined, consider logrotate
#log_path = /var/log/ansible.log
# default module name for /usr/bin/ansible
#module_name = command
# use this shell for commands executed under sudo
# you may need to change this to bin/bash in rare instances
# if sudo is constrained
#executable = /bin/sh
# if inventory variables overlap, does the higher precedence one win
# or are hash values merged together? The default is 'replace' but
# this can also be set to 'merge'.
#hash_behaviour = replace
# list any Jinja2 extensions to enable here:
#jinja2_extensions = jinja2.ext.do,jinja2.ext.i18n
# if set, always use this private key file for authentication, same as
# if passing --private-key to ansible or ansible-playbook
private_key_file = ~/.ssh/id_rsa
# format of string {{ ansible_managed }} available within Jinja2
# templates indicates to users editing templates files will be replaced.
# replacing {file}, {host} and {uid} and strftime codes with proper values.
ansible_managed = Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by {uid} on {host}
# by default, ansible-playbook will display "Skipping [host]" if it determines a task
# should not be run on a host. Set this to "False" if you don't want to see these "Skipping"
# messages. NOTE: the task header will still be shown regardless of whether or not the
# task is skipped.
#display_skipped_hosts = True
# by default (as of 1.3), Ansible will raise errors when attempting to dereference
# Jinja2 variables that are not set in templates or action lines. Uncomment this line
# to revert the behavior to pre-1.3.
#error_on_undefined_vars = False
# by default (as of 1.6), Ansible may display warnings based on the configuration of the
# system running ansible itself. This may include warnings about 3rd party packages or
# other conditions that should be resolved if possible.
# to disable these warnings, set the following value to False:
#system_warnings = True
# by default (as of 1.4), Ansible may display deprecation warnings for language
# features that should no longer be used and will be removed in future versions.
# to disable these warnings, set the following value to False:
#deprecation_warnings = True
# set plugin path directories here, separate with colons
action_plugins = /usr/share/ansible_plugins/action_plugins
callback_plugins = /usr/share/ansible_plugins/callback_plugins
connection_plugins = /usr/share/ansible_plugins/connection_plugins
lookup_plugins = /usr/share/ansible_plugins/lookup_plugins
vars_plugins = /usr/share/ansible_plugins/vars_plugins
filter_plugins = /usr/share/ansible_plugins/filter_plugins
# don't like cows? that's unfortunate.
# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
#nocows = 1
# don't like colors either?
# set to 1 if you don't want colors, or export ANSIBLE_NOCOLOR=1
#nocolor = 1
# the CA certificate path used for validating SSL certs. This path
# should exist on the controlling node, not the target nodes
# common locations:
# RHEL/CentOS: /etc/pki/tls/certs/ca-bundle.crt
# Fedora : /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
# Ubuntu : /usr/share/ca-certificates/cacert.org/cacert.org.crt
#ca_file_path =
# the http user-agent string to use when fetching urls. Some web server
# operators block the default urllib user agent as it is frequently used
# by malicious attacks/scripts, so we set it to something unique to
# avoid issues.
#http_user_agent = ansible-agent
[paramiko_connection]
# uncomment this line to cause the paramiko connection plugin to not record new host
# keys encountered. Increases performance on new host additions. Setting works independently of the
# host key checking setting above.
record_host_keys=False
# by default, Ansible requests a pseudo-terminal for commands executed under sudo. Uncomment this
# line to disable this behaviour.
#pty=False
[ssh_connection]
# ssh arguments to use
# Leaving off ControlPersist will result in poor performance, so use
# paramiko on older platforms rather than removing it
ssh_args = -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null
# The path to use for the ControlPath sockets. This defaults to
# "%(directory)s/ansible-ssh-%%h-%%p-%%r", however on some systems with
# very long hostnames or very long path names (caused by long user names or
# deeply nested home directories) this can exceed the character limit on
# file socket names (108 characters for most platforms). In that case, you
# may wish to shorten the string below.
#
# Example:
# control_path = %(directory)s/%%h-%%r
#control_path = %(directory)s/ansible-ssh-%%h-%%p-%%r
# Enabling pipelining reduces the number of SSH operations required to
# execute a module on the remote server. This can result in a significant
# performance improvement when enabled, however when using "sudo:" you must
# first disable 'requiretty' in /etc/sudoers
#
# By default, this option is disabled to preserve compatibility with
# sudoers configurations that have requiretty (the default on many distros).
#
#pipelining = False
# if True, make ansible use scp if the connection type is ssh
# (default is sftp)
#scp_if_ssh = True
[accelerate]
accelerate_port = 5099
accelerate_timeout = 30
accelerate_connect_timeout = 5.0
# The daemon timeout is measured in minutes. This time is measured
# from the last activity to the accelerate daemon.
accelerate_daemon_timeout = 30
# If set to yes, accelerate_multi_key will allow multiple
# private keys to be uploaded to it, though each user must
# have access to the system via SSH to add a new key. The default
# is "no".
#accelerate_multi_key = yes
If you need any additional information, please let me know, and I will add
I also faced the same problem. I missed a step.
ssh-copy-id localhost
Then you can successfully run,
ansible-playbook -i hosts simple-docker-project.yml --check
The variable for password is ansible_ssh_pass, but you use ssh_key_pass.
Try with this inventory:
[controller]
10.90.0.2 ansible_ssh_pass=passw0rd ansible_ssh_user=root

Hosts file autocomment (self-report) all entries that I add

My Hosts file looks like:
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handled within DNS itself.
127.0.0.1 localhost
::1 localhost
192.168.10.10 ingeniaticupct.ddns.net
I am working with Laravel. Every 1 hour approximately (without touch PC) (or always when I restart Homestead, or I do any change on Laravel files, etc...) Hosts file looks like:
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handled within DNS itself.
127.0.0.1 localhost
::1 localhost
# 192.168.10.10 ingeniaticupct.ddns.net
Ergo, my domain ingeniaticupct.ddns.net is autocommented (self-reported) (# 192.168.10.10 ingeniaticupct.ddns.net) and I do not understand why. I have been searching in several sites but I have not found solution yet.
Hope if you could help me.
Thank you all.
Ergo, my domain ingeniaticupct.ddns.net is autocommented (self-reported) (# 192.168.10.10 ingeniaticupct.ddns.net) and I do not understand why.
That’s most likely some kind of security application trying to protect your machine (from malware that would simply change or add entries in there, trying to redirect your requests for popular sites to their own servers.)
Might be Bitdefender, according to windows 10 hosts file entries been commented out on superuser.com; but there’s probably other programs that do this as well.

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