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95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
import os, sys, subprocess
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BOLD_START = '\033[1m'
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BOLD_END = '\033[0m'
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# Determine distro
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if os.path.exists("/etc/centos-release"):
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distro = "centos"
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elif os.path.exists("/etc/debian_version"):
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distro = "debian"
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else:
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sys.stderr.write("This installer only supports Debian and CentOS.\n")
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exit(1)
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if os.path.exists("/etc/cvm/need_reboot"):
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sys.stderr.write(BOLD_START + "Please reboot the system to finish the installation of CVM." + BOLD_END + "\n")
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exit(1)
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else:
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sys.stdout.write("Please wait while the CVM installation is being finished...\n")
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failed = False
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if distro == "debian":
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# Check kernel version
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kernel = os.uname()[2]
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if "openvz" not in kernel:
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sys.stderr.write("WARNING: No reference to openvz found in kernel name.\n")
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failed = True
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# Check vzmond process
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r, w = os.pipe()
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subprocess.call(["ps", "ax"], stdout=w)
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found = False
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for process in os.read(r, 134217728).splitlines():
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if "vzmond" in process:
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found = True
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if found == False:
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sys.stderr.write("WARNING: No vzmond process found.\n")
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failed = True
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r, w = os.pipe()
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subprocess.call(["ifconfig"], stdout=w)
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found = False
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for line in os.read(r, 134217728).splitlines():
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if "venet0" in line:
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found = True
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if found == False:
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sys.stderr.write("WARNING: No venet0 network interface found.\n")
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failed = True
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if failed == True:
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sys.stderr.write(BOLD_START + "One or more checks failed." + BOLD_END + " It is possible that OpenVZ was not\n")
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sys.stderr.write(" successfully installed. A more likely possibility is that the wrong\n")
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sys.stderr.write(" kernel was booted. Verify that your GRUB configuration is correct,\n")
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sys.stderr.write(" and reboot the system.\n")
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# Remove post-reboot scripts
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bashrc = open("/root/.bashrc", "r")
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bashrc_lines = bashrc.readlines()
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bashrc.close()
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bashrc = open("/root/.bashrc", "w")
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for line in bashrc_lines:
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if line.strip() != "python /root/cvm/post_reboot.py":
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bashrc.write(line)
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bashrc.close()
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rclocal = open("/etc/rc.local", "r")
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rclocal_lines = rclocal.readlines()
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rclocal.close()
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rclocal = open("/etc/rc.local", "w")
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for line in rclocal_lines:
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if line.strip() != "rm -f /etc/cvm/need_reboot":
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rclocal.write(line)
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rclocal.close()
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os.remove("/root/cvm/post_reboot.py")
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os.remove("/root/cvm/setuplib.py")
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sys.stdout.write(BOLD_START + "CVM slave node installation successfully finished!" + BOLD_END + "\n")
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exit(0)
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