This repository contains a library (csr_aws_guestshell) that has helper functions to make script writing a bit easier for AWS.
To enable guestshell on CSR on AWS:
ios-prompt# guestshell enable VirtualPortGroup 0 guest-ip 192.168.35.2 name-server 8.8.8.8
Please wait for completion
ios-prompt# guestshell
To install csr_aws_guestshell:
[guestshell@guestshell ~]$ sudo pip install csr_aws_guestshell
Alternatively, you can install to your user directory:
[guestshell@guestshell ~]$ pip install --user csr_aws_guestshell
Scripts will be copied to the guestshell $PATH where they can then be run.
List of scripts to be installed:
get-metadata.py-- retrieves instance metadata and prints to stdoutget-route-table.py-- retrieves route table information including instances in vpc and route table associationssave-config-to-s3.py-- saves CSR1000V config to bootflash and uploads to AWS S3 bucketsave-tech-support-to-s3.py-- saves CSR1000V tech-support output to bootflash and uploads to AWS S3 bucketload-bin-from-s3.py-- copies CSR1000V config from S3 to bootflash and then copies to running-configmeasure-packet-trace.py-- Enables packet trace via CLI, retrieves results, and sorts based on longest executionget-stat-drop.py-- Retrieves statistics from cli and publishes them to Cloudwatchmonitor-vpn.py-- Uploads Number of Tunnels that are up to Cloudwatch
ip-172-31-52-111#guestshell run get-metadata.py
{
"ami-id": "ami-1234abcd",
"ami-launch-index": "0",
"ami-manifest-path": "(unknown)",
"block-device-mapping": {
"ami": "/dev/xvda",
"root": "/dev/xvda"
},
"hostname": "ip-XXX-XX-XX-XXX.ec2.internal",
... <snip> ...
[guestshell@guestshell ~]$ get-metadata.py
{
"ami-id": "ami-1234abcd",
"ami-launch-index": "0",
"ami-manifest-path": "(unknown)",
"block-device-mapping": {
"ami": "/dev/xvda",
"root": "/dev/xvda"
},
"hostname": "ip-XXX-XX-XX-XXX.ec2.internal",
... <snip> ...
These scripts make use of the cli.py script pre-installed to guestshell. there are 4 main functions to use with the cli module:
import cli
show_run_output = cli.execute("show run")
Alternatively, you can print the result to stdout:
import cli
cli.executep("show run")
import cli
file = my_file.py
cron_entry="\"*/%d * * * *\"" % (seconds)
gs_cmd="\"guestshell run %s\"" % (file)
configuration = '''event manager applet %s
action 1.0 cli command %s
event timer cron cron-entry %s''' % (file,gs_cmd,cron_entry)
result= cli.configure(configuration)
import cli
cli.configurep("copy running-config startup-config")
These scripts contain the following functions to assist in script development:
download_file-- called with bucket name, filename and optional directory for the destination on the CSR1000Vupload_file-- called with bucket name, filename and optional directory for the location on the CSR1000Vsave_cmd_output-- called with command list via python list, filename to save to, optional bucket if uploading file, and flag to print to stdout
from csr_aws_guestshell import cag
cag().upload_file(my_bucket, my_filename)
cmdlist = \
[
"show interfaces",
"show version",
"show ip route",
"show platform hardware qfp active statistics drop",
"show platform hardware qfp active datapath utilization",
"show interfaces gigabitEthernet 1 | incl drops|pack|err",
"show platform hardware throughput level",
]
cag().save_cmd_output(cmdlist, my_filename, my_bucket)
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