一、ansible-playbook的lookup插件
https://docs.ansible.com/ansible/latest/plugins/lookup.html
使用ansible-doc -t lookup -l获取lookup帮助信息
# ansible-doc -t lookup -l
aws_secret Look up secrets stored in AWS Secrets Manager
manifold get credentials from Manifold.co
vars Lookup templated value of variables
sequence generate a list based on a number sequence
first_found return first file found from list
keyring grab secrets from the OS keyring
nested composes a list with nested elements of other lists
cpm_metering Get Power and Current data from WTI OOB/Combo and PDU devices
list simply returns what it is given
avi Look up ``Avi`` objects
file read file contents
conjur_variable Fetch credentials from CyberArk Conjur
dnstxt query a domain(s)'s DNS txt fields
k8s Query the K8s API
template retrieve contents of file after templating with Jinja2
cpm_status Get status and parameters from WTI OOB and PDU devices
cartesian returns the cartesian product of lists
nios Query Infoblox NIOS objects
varnames Lookup matching variable names
inventory_hostnames list of inventory hosts matching a host pattern
passwordstore manage passwords with passwordstore.org's pass utility
redis fetch data from Redis
onepassword fetch field values from 1Password
laps_password Retrieves the LAPS password for a server
nios_next_ip Return the next available IP address for a network
dict returns key/value pair items from dictionaries
etcd get info from an etcd server
onepassword_raw fetch an entire item from 1Password
hiera get info from hiera data
config Lookup current Ansible configuration values
nios_next_network Return the next available network range for a network-container
subelements traverse nested key from a list of dictionaries
shelvefile read keys from Python shelve file
filetree recursively match all files in a directory tree
gcp_storage_file Return GC Storage content
mongodb lookup info from MongoDB
cyberarkpassword get secrets from CyberArk AIM
indexed_items rewrites lists to return 'indexed items'
csvfile read data from a TSV or CSV file
chef_databag fetches data from a Chef Databag
flattened return single list completely flattened
aws_account_attribute Look up AWS account attributes
password retrieve or generate a random password, stored in a file
random_choice return random element from list
skydive Query Skydive objects
aws_service_ip_ranges Look up the IP ranges for services provided in AWS such as EC2 and S3
env read the value of environment variables
url return contents from URL
items list of items
credstash retrieve secrets from Credstash on AWS
dig query DNS using the dnspython library
lines read lines from command
rabbitmq Retrieve messages from an AMQP/AMQPS RabbitMQ queue
together merges lists into synchronized list
pipe read output from a command
consul_kv Fetch metadata from a Consul key value store
hashi_vault retrieve secrets from HashiCorp's vault
grafana_dashboard list or search grafana dashboards
lastpass fetch data from lastpass
fileglob list files matching a pattern
aws_ssm Get the value for a SSM parameter or all parameters under a path
ini read data from a ini file
一）lookup之file
1、ansible-playbook：lookup-file.yaml
- hosts: all
vars:
contents: "{{ lookup('file', '/etc/passwd') }}"
tasks:
- debug: msg="the value of '/etc/passwd' is {{ contents }}"
执行playbook
ansible-playbook lookup-file.yaml
执行结果如下
二） with 和 with_items
hosts: all
tasks:
- name: count to
debug: msg={{ item }}
with_items: [1, 2, 3]
执行文件
ansible-playbook var-count-list.yaml
执行结果如下
