Viper is a handy tool for easily running infrastructure management tasks and commands.
Project description
Viper Infrastructure Commander
Viper is a handy tool for easily running infrastructure management tasks and commands.
Installation
pip install -U viper-infra-commander
Viper CLI Examples.
Initialize current workspace (creates a viperdb.sqlite3
file)
viper init
# or remove or overwrite existing data with "-f" / "--force"
viper init -f
Load hosts from file
viper hosts:from-file tests/data/hosts.csv --indent 4
# or with a custom loader
viper hosts:from-file tests/data/hosts.json --loader viper.demo.loaders.json --indent 4
Load hosts from a Python function
viper hosts viper.demo.hosts.group1 --indent 4
Let's save the hosts
viper hosts viper.demo.hosts.group1 > /tmp/hosts.json
Filter hosts
cat /tmp/hosts.json | viper hosts:filter viper.demo.filters.ip_starts_with_2 --indent 4
Assign tasks to the given hosts
cat /tmp/hosts.json | viper hosts:task viper.demo.tasks.ping --indent 4
Run the assigned tasks
cat /tmp/hosts.json | viper hosts:task viper.demo.tasks.ping | viper task-runners:run --indent 4
# or use a shortcut
cat /tmp/hosts.json | viper hosts:run-task viper.demo.tasks.ping --indent 4
Run tasks in parallel using multiple workers
cat /tmp/hosts.json | viper hosts:run-task viper.demo.tasks.ping --max-workers 50 --indent 4
Get the past task results of the hosts from DB
cat /tmp/hosts.json | viper hosts:task-results --indent 4 --debug
Or get the past task results by task
viper task:from-func viper.demo.tasks.ping | viper task-results:by-task -i 4
# Or
viper task:from-func viper.demo.tasks.ping | viper task:results -i 4
Let's save the result
viper task:from-func viper.demo.tasks.ping | viper task:results > /tmp/results.json
Now filter the results by their status
# success
cat /tmp/results.json | viper task-results:filter viper.demo.filters.result_ok -i 4
# failed
cat /tmp/results.json | viper task-results:filter viper.demo.filters.result_errored -i 4
Pipe the results to a custom handler
cat /tmp/results.json | viper task-results:pipe viper.demo.handlers.print_status
Let's do that again in one go
viper hosts viper.demo.hosts.group1 | viper hosts:run-task-then-pipe viper.demo.tasks.ping viper.demo.handlers.print_status
Viper CLI Reference
usage: viper [-h] [--version] [--debug]
{init,task:from-func,task,task:results,hosts:from-file,hosts:from-func,hosts,hosts:filter,hosts:count,hosts:sort,hosts:pipe,hosts:task,hosts:run-task,hosts:run-task-then-pipe,hosts:task-results,task-runners:filter,task-runners:count,task-runners:sort,task-runners:pipe,task-runners:run,task-runners:hosts,task-results:filter,task-results:count,task-results:sort,task-results:pipe,task-results:hosts,task-results:by-task}
...
Viper CLI v0.1.0
positional arguments:
{init,task:from-func,task,task:results,hosts:from-file,hosts:from-func,hosts,hosts:filter,hosts:count,hosts:sort,hosts:pipe,hosts:task,hosts:run-task,hosts:run-task-then-pipe,hosts:task-results,task-runners:filter,task-runners:count,task-runners:sort,task-runners:pipe,task-runners:run,task-runners:hosts,task-results:filter,task-results:count,task-results:sort,task-results:pipe,task-results:hosts,task-results:by-task}
init initialize the current workspace
task:from-func get the task from a python function location
task alias of 'task:from-func'
task:results get the past task results of given task
hosts:from-file get a group of hosts from a file
hosts:from-func get a group of hosts from a python function location
hosts alias of 'hosts:from-func'
hosts:filter filter hosts by a given function
hosts:count count the number of hosts
hosts:sort sort the hosts
hosts:pipe pipe the hosts to the given function
hosts:task assign a task to each host
hosts:run-task assign a task to each host and run
hosts:run-task-then-pipe
run the given task on the hosts and then pipe the
result to the given function
hosts:task-results get the past task results of the hosts
task-runners:filter
filter task runners by a given function
task-runners:count count the number of task runners
task-runners:sort sort the task runners
task-runners:pipe pipe the task runners to the given function
task-runners:run run the assigned tasks
task-runners:hosts get the hohsts from the task runners
task-results:filter
filter task results by a given function
task-results:count count the number of task results
task-results:sort sort the task results
task-results:pipe pipe the task results to the given function
task-results:hosts get the hosts from the task results
task-results:by-task
get the past task results of given task
optional arguments:
-h, --help show this help message and exit
--version show program's version number and exit
--debug show traceback information when an exception is raised
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