teku-nimbus-updater

#!/usr/bin/env python3

import sys, os
 
# total arguments
n = len(sys.argv)
if n < 2:
    print("ERROR: please specify the release URL")
    exit(2)

# URL 
url = sys.argv[1]

# DETECT 
clientfile = url.split('/')[-1]
if clientfile.startswith('nimbus-eth2_Linux_amd64_'):
    client = 'nimbus'
    clientuser = client
    version = clientfile.split('nimbus-eth2_Linux_amd64_')[1].split('_')[0]
    clientdir = clientfile.split('.tar')[0]
elif clientfile.startswith('teku'):
    client = 'teku'
    clientuser = client
    version = clientfile.split('teku-')[1].split('.tar')[0]
    clientdir = clientfile.split('.tar')[0]
else:
    print('ERROR: client not recognised..')
    exit(2)

print("Installing:")
print(client.upper()+" v"+version+"\n")

#DL
print(":: downloading "+url)
os.system('sudo -u '+clientuser+' wget -c '+url)

#MOVE PREVIOUS INSTALL
print(":: removing old install")
os.system('sudo rm -R '+client+'-last')

#EXTRACT RELEASE
print(":: unpacking last release")
os.system('sudo -u '+clientuser+' tar -xzf '+clientfile)
os.system('sudo -u '+clientuser+' mv '+clientdir+' '+client+'-last')

print("\nDONE !\n")