root / snf-deploy / snfdeploy / __init__.py @ 3bae85da
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import json |
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import time |
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import ipaddr |
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import os |
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import signal |
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import time |
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import ConfigParser |
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import argparse |
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import sys |
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import re |
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import random |
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import subprocess |
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import imp |
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import ast |
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from snfdeploy.lib import * |
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from snfdeploy import fabfile |
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from fabric.api import hide, env, settings, local, roles, execute, show |
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|
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def print_available_actions(command): |
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|
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if command == "keygen": |
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print """ |
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Usage: snf-deploy keygen [--force]
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Generate new ssh keys (both rsa and dsa keypairs)
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"""
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if command == "vcluster": |
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print """ |
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Usage: snf-deploy vcluster
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Run the following actions concerning the local virtual cluster:
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- Download base image and create additional disk (if --create-extra-disk is passed)
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- Does all the network related actions (bridge, iptables, NAT)
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- Launches dnsmasq for dhcp server on bridge
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- Creates the virtual cluster (with kvm)
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"""
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if command == "prepare": |
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print """ |
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Usage: snf-deploy prepare
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Run the following actions concerning deployment preparation:
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- Setup an internal Domain Name Server
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- Tweak hosts and add ssh keys
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- Check network setup
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- Setup apt repository and apt-get update
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- Setup the nfs server and clients among all nodes
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"""
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if command == "backend": |
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print """ |
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Usage: snf-deploy backend [update]
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Run the following actions concerning a ganeti backend:
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- Create and add a backend to cyclades
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- Does all the net-infra specific actions in backend nodes
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(create/connect bridges, iptables..)
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- Does all the storage-infra specific actions in backend nodes
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depending on the --extra-disk option (create VG, enable lvm/drbd storage..)
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or
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- Update packages in an already registered backend in cyclades.
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"""
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if command == "run": |
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print """ |
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Usage: snf-deploy run <action> [<action>...]
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Run any of the following fabric commands:
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Setup commands: Init commands: Admin commands:
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setup_apache add_pools activate_user
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setup_apt add_rapi_user add_backend
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setup_astakos add_nodes add_image_locally
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setup_cms astakos_loaddata add_network
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setup_common astakos_register_components add_ns
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setup_cyclades cms_loaddata add_user
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setup_db cyclades_loaddata connect_bridges
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setup_ganeti enable_drbd create_bridges
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setup_gtools init_cluster create_vlans
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setup_gunicorn setup_nfs_clients destroy_db
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setup_hosts setup_nfs_server get_auth_token_from_db
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setup_image_helper update_ns_for_ganeti get_service_details
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setup_image_host gnt_instance_add
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setup_iptables gnt_network_add
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setup_kamaki Test commands: register_image
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setup_lvm test restart_services
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setup_mq setup_drbd_dparams
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setup_net_infra
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setup_network
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setup_ns
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setup_pithos
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setup_pithos_dir
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setup_router
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setup_vncauthproxy
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setup_webproject
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"""
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sys.exit(1)
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def create_dnsmasq_files(args, env): |
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print("Customize dnsmasq..")
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out = env.dns |
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hostsfile = open(out + "/dhcp-hostsfile", "w") |
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optsfile = open(out + "/dhcp-optsfile", "w") |
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conffile = open(out + "/conf-file", "w") |
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for node, info in env.nodes_info.iteritems(): |
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# serve ip and hostname to nodes
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hostsfile.write("%s,%s,%s,2m\n" % (info.mac, info.ip, info.hostname))
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hostsfile.write("52:54:56:*:*:*,ignore\n")
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# Netmask
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optsfile.write("1,%s\n" % env.net.netmask)
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# Gateway
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optsfile.write("3,%s\n" % env.gateway)
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# Namesevers
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optsfile.write("6,%s\n" % "8.8.8.8") |
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dnsconf = """
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user=dnsmasq
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bogus-priv
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no-poll
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no-negcache
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leasefile-ro
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bind-interfaces
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except-interface=lo
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dhcp-fqdn
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no-resolv
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# disable DNS
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port=0
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""".format(env.ns.ip)
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dnsconf += """
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# serve domain and search domain for resolv.conf
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domain={5}
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interface={0}
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dhcp-hostsfile={1}
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dhcp-optsfile={2}
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dhcp-range={0},{4},static,2m
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""".format(env.bridge, hostsfile.name, optsfile.name,
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env.domain, env.net.network, env.domain) |
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conffile.write(dnsconf) |
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hostsfile.close() |
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optsfile.close() |
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conffile.close() |
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def cleanup(args, env): |
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print("Cleaning up bridge, NAT, resolv.conf...")
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for f in os.listdir(env.run): |
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if re.search(".pid$", f): |
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check_pidfile(os.path.join(env.run, f)) |
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create_dir(env.run, True)
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# create_dir(env.cmd, True)
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cmd = """
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iptables -t nat -D POSTROUTING -s {0} -o {1} -j MASQUERADE
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echo 0 > /proc/sys/net/ipv4/ip_forward
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iptables -D INPUT -i {2} -j ACCEPT
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iptables -D FORWARD -i {2} -j ACCEPT
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iptables -D OUTPUT -o {2} -j ACCEPT
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""".format(env.subnet, get_default_route()[1], env.bridge) |
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os.system(cmd) |
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cmd = """
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ip link show {0} && ip addr del {1}/{2} dev {0}
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sleep 1
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ip link set {0} down
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sleep 1
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brctl delbr {0}
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""".format(env.bridge, env.gateway, env.net.prefixlen)
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os.system(cmd) |
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def network(args, env): |
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print("Create bridge..Add gateway IP..Activate NAT..Append NS options to resolv.conf")
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cmd = """
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! ip link show {0} && brctl addbr {0} && ip link set {0} up
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sleep 1
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ip link set promisc on dev {0}
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ip addr add {1}/{2} dev {0}
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""".format(env.bridge, env.gateway, env.net.prefixlen)
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os.system(cmd) |
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cmd = """
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iptables -t nat -A POSTROUTING -s {0} -o {1} -j MASQUERADE
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echo 1 > /proc/sys/net/ipv4/ip_forward
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iptables -I INPUT 1 -i {2} -j ACCEPT
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iptables -I FORWARD 1 -i {2} -j ACCEPT
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iptables -I OUTPUT 1 -o {2} -j ACCEPT
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""".format(env.subnet, get_default_route()[1], env.bridge) |
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os.system(cmd) |
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def image(args, env): |
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if env.os == "ubuntu": |
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url = env.ubuntu_image_url |
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else:
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url = env.squeeze_image_url |
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disk0 = "{0}/{1}.disk0".format(env.images, env.os)
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disk1 = "{0}/{1}.disk1".format(env.images, env.os)
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if url and not os.path.exists(disk0): |
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cmd = "wget {0} -O {1}".format(url, disk0)
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os.system(cmd) |
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if ast.literal_eval(env.create_extra_disk) and not os.path.exists(disk1): |
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if env.lvg:
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cmd = "lvcreate -L30G -n{0}.disk1 {1}".format(env.os, env.lvg)
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os.system(cmd) |
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cmd = "ln -s /dev/{0}/{1}.disk1 {2}".format(env.lvg, env.os, disk1)
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os.system(cmd) |
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else:
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cmd = "dd if=/dev/zero of={0} bs=10M count=3000".format(disk1)
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os.system(cmd) |
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def fabcommand(args, env, actions, nodes=[]): |
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levels = ["status", "aborts", "warnings", "running", |
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"stdout", "stderr", "user", "debug"] |
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level_aliases = { |
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"output": ["stdout", "stderr"], |
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"everything": ["warnings", "running", "user", "output"] |
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} |
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lhide = level_aliases["everything"]
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lshow = [] |
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if args.verbose == 1: |
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lshow = levels[:3]
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lhide = levels[3:]
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elif args.verbose == 2: |
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lshow = levels[:4]
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lhide = levels[4:]
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elif args.verbose >= 3 or args.debug: |
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lshow = levels |
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lhide = [] |
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# fabcmd += " --fabfile {4}/fabfile.py \
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# setup_env:confdir={0},packages={1},templates={2},cluster_name={3},\
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# autoconf={5},disable_colors={6},key_inject={7} \
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# ".format(args.confdir, env.packages, env.templates, args.cluster_name,
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# env.lib, args.autoconf, args.disable_colors, args.key_inject)
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if nodes:
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ips = [env.nodes_info[n].ip for n in nodes] |
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fabfile.setup_env(args) |
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with settings(hide(*lhide), show(*lshow)):
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print " ".join(actions) |
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for a in actions: |
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fn = getattr(fabfile, a)
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if not args.dry_run: |
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if nodes:
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execute(fn, hosts=ips) |
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else:
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execute(fn) |
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def cluster(args, env): |
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for hostname, mac in env.node2mac.iteritems(): |
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launch_vm(args, env, hostname, mac) |
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time.sleep(30)
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os.system("reset")
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def launch_vm(args, env, hostname, mac): |
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check_pidfile("%s/%s.pid" % (env.run, hostname))
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print("Launching cluster node {0}..".format(hostname))
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os.environ["BRIDGE"] = env.bridge
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if args.vnc:
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graphics = "-vnc :{0}".format(random.randint(1, 1000)) |
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else:
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graphics = "-nographic"
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disks = """ \
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-drive file={0}/{1}.disk0,format=raw,if=none,id=drive0,snapshot=on \
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-device virtio-blk-pci,drive=drive0,id=virtio-blk-pci.0 \
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""".format(env.images, env.os)
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if ast.literal_eval(env.create_extra_disk):
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disks += """ \
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-drive file={0}/{1}.disk1,format=raw,if=none,id=drive1,snapshot=on \
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-device virtio-blk-pci,drive=drive1,id=virtio-blk-pci.1 \
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""".format(env.images, env.os)
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ifup = env.lib + "/ifup"
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nics = """ \
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-netdev tap,id=netdev0,script={0},downscript=no \
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-device virtio-net-pci,mac={1},netdev=netdev0,id=virtio-net-pci.0 \
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-netdev tap,id=netdev1,script={0},downscript=no \
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-device virtio-net-pci,mac={2},netdev=netdev1,id=virtio-net-pci.1 \
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-netdev tap,id=netdev2,script={0},downscript=no \
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-device virtio-net-pci,mac={3},netdev=netdev2,id=virtio-net-pci.2 \
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""".format(ifup, mac, randomMAC(), randomMAC())
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cmd = """
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/usr/bin/kvm -name {0} -pidfile {1}/{0}.pid -balloon virtio -daemonize \
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-monitor unix:{1}/{0}.monitor,server,nowait -usbdevice tablet -boot c \
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{2} \
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{3} \
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-m {4} -smp {5} {6} \
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""".format(hostname, env.run, disks, nics, args.mem, args.smp, graphics)
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print cmd
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os.system(cmd) |
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def dnsmasq(args, env): |
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check_pidfile(env.run + "/dnsmasq.pid")
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cmd = "dnsmasq --pid-file={0}/dnsmasq.pid --conf-file={1}/conf-file".format(env.run, env.dns)
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os.system(cmd) |
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|
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def get_packages(args, env): |
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if env.package_url:
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os.system("rm {0}/*.deb".format(env.packages))
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os.system("wget -r --level=1 -nH --no-parent --cut-dirs=4 {0} -P {1}".format(env.package_url, env.packages))
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def parse_options(): |
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parser = argparse.ArgumentParser() |
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|
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# Directories to load/store config
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parser.add_argument("-c", dest="confdir", |
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default="/etc/snf-deploy",
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help="Directory to find default configuration")
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parser.add_argument("--dry-run", dest="dry_run", |
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default=False, action="store_true", |
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help="Do not execute or write anything.")
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parser.add_argument("-v", dest="verbose", |
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default=0, action="count", |
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help="Increase verbosity.")
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parser.add_argument("-d", dest="debug", |
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default=False, action="store_true", |
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help="Debug mode")
|
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parser.add_argument("--autoconf", dest="autoconf", |
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default=False, action="store_true", |
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help="In case of all in one auto conf setup")
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|
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# virtual cluster related options
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parser.add_argument("--mem", dest="mem", |
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default=2024,
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help="Memory for every virutal node")
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parser.add_argument("--smp", dest="smp", |
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default=1,
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help="Virtual CPUs for every virtual node")
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parser.add_argument("--vnc", dest="vnc", |
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default=False, action="store_true", |
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help="Wheter virtual nodes will have a vnc console or not")
|
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parser.add_argument("--force", dest="force", |
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default=False, action="store_true", |
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help="Force the creation of new ssh key pairs")
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|
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parser.add_argument("-i", "--ssh-key", dest="ssh_key", |
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default=None,
|
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help="Path of an existing ssh key to use")
|
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|
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parser.add_argument("--no-key-inject", dest="key_inject", |
384 |
default=True, action="store_false", |
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help="Whether to inject ssh key pairs to hosts")
|
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|
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# backend related options
|
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parser.add_argument("--cluster-name", dest="cluster_name", |
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default="ganeti1",
|
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help="The cluster name in ganeti.conf")
|
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|
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# backend related options
|
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parser.add_argument("--cluster-node", dest="cluster_node", |
394 |
default=None,
|
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help="The node to add to the existing cluster")
|
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|
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# available commands
|
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parser.add_argument("command", type=str, |
399 |
choices=["packages", "vcluster", "prepare", |
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"synnefo", "backend", "ganeti", |
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"run", "cleanup", "test", |
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"all", "add", "keygen"], |
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help="Run on of the supported deployment commands")
|
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|
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# available actions for the run command
|
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parser.add_argument("actions", type=str, nargs="*", |
407 |
help="Run one or more of the supported subcommands")
|
408 |
|
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# disable colors in terminal
|
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parser.add_argument("--disable-colors", dest="disable_colors", default=False, |
411 |
action="store_true", help="Disable colors in terminal") |
412 |
|
413 |
return parser.parse_args()
|
414 |
|
415 |
|
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def get_actions(*args): |
417 |
actions = { |
418 |
# prepare actions
|
419 |
"ns": ["setup_ns", "setup_resolv_conf"], |
420 |
"hosts": ["setup_hosts", "add_keys"], |
421 |
"check": ["check_dhcp", "check_dns", "check_connectivity", "check_ssh"], |
422 |
"apt": ["apt_get_update", "setup_apt"], |
423 |
"nfs": ["setup_nfs_server", "setup_nfs_clients"], |
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"prepare": [
|
425 |
"setup_hosts", "add_keys", |
426 |
"setup_ns", "setup_resolv_conf", |
427 |
"check_dhcp", "check_dns", "check_connectivity", "check_ssh", |
428 |
"apt_get_update", "setup_apt", |
429 |
"setup_nfs_server", "setup_nfs_clients" |
430 |
], |
431 |
# synnefo actions
|
432 |
"synnefo": [
|
433 |
"setup_mq", "setup_db", |
434 |
"setup_astakos",
|
435 |
#TODO: astakos-quota fails if no user is added.
|
436 |
# add_user fails if no groups found
|
437 |
"astakos_loaddata", "add_user", "activate_user", |
438 |
"astakos_register_components",
|
439 |
"setup_cms", "cms_loaddata", |
440 |
"setup_pithos",
|
441 |
"setup_cyclades", "cyclades_loaddata", "add_pools", |
442 |
"export_services", "import_services", "setup_vncauthproxy", |
443 |
"setup_kamaki", "upload_image", "register_image", |
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"setup_burnin"
|
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], |
446 |
"supdate": [
|
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"apt_get_update", "setup_astakos", |
448 |
"setup_cms", "setup_pithos", "setup_cyclades" |
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], |
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# backend actions
|
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"backend": [
|
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"setup_hosts",
|
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"update_ns_for_ganeti",
|
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"setup_ganeti", "init_cluster", |
455 |
"add_rapi_user", "add_nodes", |
456 |
"setup_image_host", "setup_image_helper", |
457 |
"setup_network",
|
458 |
"setup_gtools", "add_backend", "add_network", |
459 |
"setup_lvm", "enable_lvm", |
460 |
"enable_drbd", "setup_drbd_dparams", |
461 |
"setup_net_infra", "setup_iptables", "setup_router", |
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], |
463 |
"bstorage": [
|
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"setup_lvm", "enable_lvm", |
465 |
"enable_drbd", "setup_drbd_dparams" |
466 |
], |
467 |
"bnetwork": ["setup_net_infra", "setup_iptables", "setup_router"], |
468 |
"bupdate": [
|
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"apt_get_update", "setup_ganeti", "setup_image_host", "setup_image_helper", |
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"setup_network", "setup_gtools" |
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], |
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# ganeti actions
|
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"ganeti": [
|
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"update_ns_for_ganeti",
|
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"setup_ganeti", "init_cluster", "add_nodes", |
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"setup_image_host", "setup_image_helper", "add_image_locally", |
477 |
"debootstrap", "setup_net_infra", |
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"setup_lvm", "enable_lvm", "enable_drbd", "setup_drbd_dparams", |
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], |
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"gupdate": ["setup_apt", "setup_ganeti"], |
481 |
"gdestroy": ["destroy_cluster"], |
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} |
483 |
|
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ret = [] |
485 |
for x in args: |
486 |
ret += actions[x] |
487 |
|
488 |
return ret
|
489 |
|
490 |
|
491 |
def must_create_keys(force, env): |
492 |
"""Check if we need to create ssh keys
|
493 |
|
494 |
If force is true we are going to overide the old keys.
|
495 |
Else if there are already generated keys to use, don't create new ones.
|
496 |
|
497 |
"""
|
498 |
if force:
|
499 |
return True |
500 |
d = os.path.join(env.templates, "root/.ssh")
|
501 |
auth_keys_exists = os.path.exists(os.path.join(d, "authorized_keys"))
|
502 |
dsa_exists = os.path.exists(os.path.join(d, "id_dsa"))
|
503 |
dsa_pub_exists = os.path.exists(os.path.join(d, "id_dsa.pub"))
|
504 |
rsa_exists = os.path.exists(os.path.join(d, "id_rsa"))
|
505 |
rsa_pub_exists = os.path.exists(os.path.join(d, "id_rsa.pub"))
|
506 |
# If any of the above doesn't exist return True
|
507 |
return not (dsa_exists and dsa_pub_exists |
508 |
and rsa_exists and rsa_pub_exists |
509 |
and auth_keys_exists)
|
510 |
|
511 |
|
512 |
def do_create_keys(args, env): |
513 |
d = os.path.join(env.templates, "root/.ssh")
|
514 |
a = os.path.join(d, "authorized_keys")
|
515 |
# Delete old keys
|
516 |
for filename in os.listdir(d): |
517 |
os.remove(os.path.join(d, filename)) |
518 |
# Generate new keys
|
519 |
for t in ("dsa", "rsa"): |
520 |
f = os.path.join(d, "id_" + t)
|
521 |
cmd = 'ssh-keygen -q -t {0} -f {1} -N ""'.format(t, f)
|
522 |
os.system(cmd) |
523 |
cmd = 'cat {0}.pub >> {1}'.format(f, a)
|
524 |
os.system(cmd) |
525 |
|
526 |
def add_node(args, env): |
527 |
actions = [ |
528 |
"update_ns_for_node:" + args.cluster_node,
|
529 |
] |
530 |
fabcommand(args, env, actions) |
531 |
actions = [ |
532 |
"setup_resolv_conf",
|
533 |
"apt_get_update",
|
534 |
"setup_apt",
|
535 |
"setup_hosts",
|
536 |
"add_keys",
|
537 |
] |
538 |
fabcommand(args, env, actions, [args.cluster_node]) |
539 |
|
540 |
actions = get_actions("check")
|
541 |
fabcommand(args, env, actions) |
542 |
|
543 |
actions = [ |
544 |
"setup_nfs_clients",
|
545 |
"setup_ganeti",
|
546 |
"setup_image_host", "setup_image_helper", "setup_network", "setup_gtools", |
547 |
] |
548 |
fabcommand(args, env, actions, [args.cluster_node]) |
549 |
|
550 |
actions = [ |
551 |
"add_node:" + args.cluster_node,
|
552 |
] |
553 |
fabcommand(args, env, actions) |
554 |
|
555 |
actions = [ |
556 |
"setup_lvm", "enable_drbd", |
557 |
"setup_net_infra", "setup_iptables", |
558 |
] |
559 |
fabcommand(args, env, actions, [args.cluster_node]) |
560 |
|
561 |
def main(): |
562 |
args = parse_options() |
563 |
|
564 |
conf = Conf(args) |
565 |
env = Env(conf) |
566 |
|
567 |
create_dir(env.run, False)
|
568 |
create_dir(env.dns, False)
|
569 |
|
570 |
# Check if there are keys to use
|
571 |
if args.command == "keygen": |
572 |
if must_create_keys(args.force, env):
|
573 |
do_create_keys(args, env) |
574 |
return 0 |
575 |
else:
|
576 |
print "Keys already existed.. aborting" |
577 |
return 1 |
578 |
else:
|
579 |
if (args.key_inject and (args.ssh_key is None) |
580 |
and must_create_keys(False, env)): |
581 |
print "No ssh keys to use. Run `snf-deploy keygen' first." |
582 |
return 1 |
583 |
|
584 |
if args.command == "test": |
585 |
conf.print_config() |
586 |
|
587 |
if args.command == "cleanup": |
588 |
cleanup(args, env) |
589 |
|
590 |
if args.command == "packages": |
591 |
create_dir(env.packages, True)
|
592 |
get_packages(args, env) |
593 |
|
594 |
if args.command == "vcluster": |
595 |
image(args, env) |
596 |
network(args, env) |
597 |
create_dnsmasq_files(args, env) |
598 |
dnsmasq(args, env) |
599 |
cluster(args, env) |
600 |
|
601 |
if args.command == "prepare": |
602 |
actions = get_actions("prepare")
|
603 |
fabcommand(args, env, actions) |
604 |
|
605 |
if args.command == "synnefo": |
606 |
actions = get_actions("synnefo")
|
607 |
fabcommand(args, env, actions) |
608 |
|
609 |
if args.command == "backend": |
610 |
actions = get_actions("backend")
|
611 |
fabcommand(args, env, actions) |
612 |
|
613 |
if args.command == "ganeti": |
614 |
actions = get_actions("ganeti")
|
615 |
fabcommand(args, env, actions) |
616 |
|
617 |
|
618 |
|
619 |
|
620 |
if args.command == "all": |
621 |
actions = get_actions("prepare", "synnefo", "backend") |
622 |
fabcommand(args, env, actions) |
623 |
|
624 |
if args.command == "add": |
625 |
if args.cluster_node:
|
626 |
add_node(args, env) |
627 |
else:
|
628 |
actions = get_actions("backend")
|
629 |
fabcommand(args, env, actions) |
630 |
|
631 |
|
632 |
if args.command == "run": |
633 |
if not args.actions: |
634 |
print_available_actions(args.command) |
635 |
else:
|
636 |
fabcommand(args, env, args.actions) |
637 |
|
638 |
|
639 |
if __name__ == "__main__": |
640 |
sys.exit(main()) |