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lvmPartition.py
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lvmPartition.py
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import os,subprocess as sp ,pyfiglet
def lvm(ssh):
while True :
os.system("clear")
os.system("tput setaf 3")
title = pyfiglet.figlet_format(" LUNIX LVM\n PARTITIONING")
print(title)
os.system("tput setaf 6")
menu="""
\t-----------------------------------------------------------------
\t| Press 1 :To see all disks available |
\t| Press 2 :To see info of all existing virtual group |
\t| Press 3 :To see info of a existing virtual group |
\t| Press 4 :To see info of lv partition |
\t| Press 5 :To see existing partitions with their mount points |
\t| Press 6 :To create virtual group |
\t| Press 7 :To create an lv partition |
\t| Press 8 :To resize a lv partition |
\t| Press 9 :To remove a virtual group |
\t| Press 10 :To delete a Partition |
\t| Press 11 :To go back to main menu or exit from this menu |
\t-----------------------------------------------------------------\n"""
print(menu)
os.system("tput setaf 7")
task = input("Enter your choice : ")
if ssh == "":
#local system
if task == '1':
output = sp.getstatusoutput("fdisk -l")
elif task == '2':
output = sp.getstatusoutput("vgdisplay")
elif task == '3':
vgname = input("Enter virtual group name : ")
output = sp.getstatusoutput("vgdisplay {}".format(vgname))
elif task == '4':
vgname = input("Enter virtual group name : ")
lvname = input("Enter logical volume name : ")
output = sp.getstatusoutput("lvdisplay {}/{}".format(vgname,lvname))
elif task == '5':
output = sp.getstatusoutput("df -h")
elif task == '6':
vgname=input("Enter virtual group name : ")
num = input("Enter number of physical volume you want to add : ")
num = int(num)
disks = [input("Enter disk {} name : ".format(i)) for i in range(num)]
print("disks")
s = " "
s = s.join(disks)
os.system("pvcreate {}".format(s))
output = sp.getstatusoutput("vgcreate {} {}".format(vgname,s))
info = sp.getstatusoutput("vgdisplay {}".format(vgname))
print(info[1])
elif task == '7':
vgname =input ("Enter vgname in which you want to create partition : ")
lvname = input("Enter Logical volume name : ")
size = input("Enter size of lv [K,M,G,T,P,E] : ")
mountpt = input("Enter a folder path to which you want to link partition : ")
output = sp.getstatusoutput("lvcreate -n {} --size {} {} ".format(lvname,size,vgname))
print(output[1],"\n")
if(output[0] == 0):
output = sp.getstatusoutput("mkfs.ext4 /dev/{}/{}".format(vgname,lvname))
print(output[1],"\n")
if(output[0] == 0):
os.system("mkdir {}".format(mountpt))
output = sp.getstatusoutput("mount /dev/{}/{} {}".format(vgname,lvname,mountpt))
info = sp.getstatusoutput("lvdisplay {}/{}".format(vgname,lvname))
print(info[1])
elif task == '8':
vgname =input ("Enter virtual group name in which logicl volume partition is present : ")
lvname =input ("Enter logival volume name : ")
option =input("Enter 'R' to reduce and 'E' to extend size : ")
size =input ("Enter final size [K,M,G,T,P,E] you want to achieve after extend/reduce : ")
if option == 'R':
mountpt = sp.getoutput("findmnt -n -o TARGET /dev/{}/{}".format(vgname,lvname))
output = sp.getstatusoutput("umount /dev/{}/{}".format(vgname,lvname))
print(output[1],"\n")
if(output[0] == 0):
x = os.system("e2fsck -f /dev/{}/{}".format(vgname,lvname))
output = sp.getstatusoutput("resize2fs /dev/{}/{} {}".format(vgname,lvname,size))
print(output[1],"\n")
if(output[0] == 0):
print("Enter y if you want to continue else enter n")
output = sp.getstatusoutput("lvreduce -L {} /dev/{}/{}".format(size,vgname,lvname))
if(output[0] == 0):
output=sp.getstatusoutput("mount /dev/{}/{} {}".format(vgname,lvname,mountpt))
elif option == 'E':
output = sp.getstatusoutput("lvextend -L {} /dev/{}/{}".format(size,vgname,lvname))
if(output[0] == 0):
output = sp.getstatusoutput("resize2fs /dev/{}/{}".format(vgname,lvname))
info = sp.getstatusoutput("lvdisplay {}/{}".format(vgname,lvname))
print(info[1])
elif task == '9':
vgname =input("Enter virtual group name which you wish to delete : ")
output = sp.getstatusoutput("vgchange -a n {}".format(vgname))
if(output[0] == 0):
output = sp.getstatusoutput("vgremove {}".format(vgname))
elif task == '10':
vgname =input("Enter virtual group name of which logical volume is a part : ")
lvname =input("Enter logical volume name which you wish to delete : ")
output = sp.getstatusoutput("umount /dev/{}/{}".format(vgname,lvname))
if(output[0] == 0):
output = sp.getstatusoutput("lvremove -y /dev/{}/{}".format(vgname,lvname))
elif(task == '11'):
break;
else:
print("Invalid Choice!!! Try Again")
os.system("sleep 1")
continue
if output[0] == 0:
os.system("tput setaf 2")
print("Task successfully completed !!")
os.system("tput setaf 7")
print(output[1])
else:
os.system("tput setaf 5")
print("Oops !! Some error occurred : {}".format(output[1]))
os.system("tput setaf 6")
input("'Press enter' to continue :")
os.system("tput setaf 7")
else:
#remote sys
if task == '1':
output = sp.getstatusoutput("{} 'fdisk -l'".format(ssh))
elif task == '2':
output = sp.getstatusoutput("{} vgdisplay".format(ssh))
elif task == '3':
vgname = input("Enter virtual group name : ")
output = sp.getstatusoutput("{} 'vgdisplay {}'".format(ssh,vgname))
elif task == '4':
vgname = input("Enter virtual group name : ")
lvname = input("Enter logical volume name : ")
output = sp.getstatusoutput("{} 'lvdisplay {}/{}'".format(ssh,vgname,lvname))
elif task == '5':
output = sp.getstatusoutput("{} 'df -h'".format(ssh))
elif task == '6':
vgname=input("Enter virtual group name : ")
num = input("Enter number of physical volume you want to add : ")
num = int(num)
disks = [input("Enter disk {} name : ".format(i)) for i in range(num)]
print("disks")
s = " "
s = s.join(disks)
os.system("{} 'pvcreate {}'".format(ssh,s))
output = sp.getstatusoutput("{} 'vgcreate {} {}' ".format(ssh,vgname,s))
info = sp.getstatusoutput("{} 'vgdisplay {}' ".format(ssh,vgname))
print(info[1])
elif task == '7':
vgname =input ("Enter vgname in which you want to create partition : ")
lvname = input("Enter Logical volume name : ")
size = input("Enter size of lv [K,M,G,T,P,E] : ")
mountpt = input("Enter a folder path to which you want to link partition : ")
output = sp.getstatusoutput("{} 'lvcreate -n {} --size {} {}'' ".format(ssh,lvname,size,vgname))
print(output[1],"\n")
if(output[0] == 0):
output = sp.getstatusoutput("{} 'mkfs.ext4 /dev/{}/{}'".format(ssh,vgname,lvname))
print(output[1],"\n")
if(output[0] == 0):
os.system("{} 'mkdir {}'".format(ssh,mountpt))
output = sp.getstatusoutput("{} 'mount /dev/{}/{} {}'".format(ssh,vgname,lvname,mountpt))
info = sp.getstatusoutput("{} 'lvdisplay {}/{}'".format(ssh,vgname,lvname))
print(info[1])
elif task == '8':
vgname =input ("Enter virtual group name in which logicl volume partition is present : ")
lvname =input ("Enter logival volume name : ")
option =input("Enter 'R' to reduce and 'E' to extend size : ")
size =input ("Enter final size [K,M,G,T,P,E] you want to achieve after extend/reduce : ")
if option == 'R':
mountpt = sp.getoutput("{} 'findmnt -n -o TARGET /dev/{}/{}'".format(ssh,vgname,lvname))
output = sp.getstatusoutput("{} umount /dev/{}/{}'".format(ssh,vgname,lvname))
print(output[1],"\n")
if(output[0] == 0):
x = os.system("{} 'e2fsck -f /dev/{}/{}'".format(ssh,vgname,lvname))
output = sp.getstatusoutput("{} 'resize2fs /dev/{}/{} {}'".format(ssh,vgname,lvname,size))
print(output[1],"\n")
if(output[0] == 0):
print("Enter y if you want to continue else enter n")
output = sp.getstatusoutput("{} 'lvreduce -L {} /dev/{}/{}'".format(ssh,size,vgname,lvname))
if(output[0] == 0):
output=sp.getstatusoutput("{} 'mount /dev/{}/{} {}'".format(ssh,vgname,lvname,mountpt))
elif option == 'E':
output = sp.getstatusoutput("{} 'lvextend -L {} /dev/{}/{}'".format(ssh,size,vgname,lvname))
if(output[0] == 0):
output = sp.getstatusoutput("{} 'resize2fs /dev/{}/{}'".format(ssh,vgname,lvname))
info = sp.getstatusoutput("{} 'lvdisplay {}/{}'".format(ssh,vgname,lvname))
print(info[1])
elif task == '9':
vgname =input("Enter virtual group name which you wish to delete : ")
output = sp.getstatusoutput("{} 'vgchange -a n {}'".format(ssh,vgname))
if(output[0] == 0):
output = sp.getstatusoutput("{} 'vgremove {}'".format(ssh,vgname))
elif task == '10':
vgname =input("Enter virtual group name of which logical volume is a part : ")
lvname =input("Enter logical volume name which you wish to delete : ")
output = sp.getstatusoutput("{} 'umount /dev/{}/{}'".format(ssh,vgname,lvname))
if(output[0] == 0):
output = sp.getstatusoutput("{} 'lvremove -y /dev/{}/{}'".format(ssh,vgname,lvname))
elif(task == '11'):
break;
else:
print("Invalid Choice!!! Try Again")
os.system("sleep 1")
continue
if output[0] == 0:
os.system("tput setaf 2")
print("Task successfully completed !!")
os.system("tput setaf 7")
print(output[1])
else:
os.system("tput setaf 5")
print("Oops !! Some error occurred : {}".format(output[1]))
os.system("tput setaf 6")
input("'Press enter' to continue :")
os.system("tput setaf 7")
#main--------------------
def main():
login = input(" \t\t1. Local Login\n\t\t2. Remote Login")
if login == '1':
lvm("")
elif lofin == '2':
ip = input("\t\t Enter IP address of Remote Machine: ")
lvm(ip)
# call main function
main()