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fabos.py
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fabos.py
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import os
import ast
import tempfile
from fabfile.config import *
def copy_pkg(tgt_host, pkg_file):
with settings(host_string = tgt_host):
put(pkg_file, use_sudo=True)
#end _copy_pkg
def install_pkg(tgt_host, pkg_file):
with settings(host_string = tgt_host):
sudo("rpm -iv --force %s" %(pkg_file.split('/')[-1]))
#end _install_pkg
def get_linux_distro():
linux_distro = "python -c 'from platform import linux_distribution; print linux_distribution()'"
(dist, version, extra) = ast.literal_eval(sudo(linux_distro))
return (dist, version, extra)
def detect_ostype():
(dist, version, extra) = get_linux_distro()
if extra is not None and 'xen' in extra:
dist = 'xen'
elif 'red hat' in dist.lower():
dist = 'redhat'
elif 'centos linux' in dist.lower():
dist = 'centoslinux'
return dist.lower()
#end detect_ostype
def get_openstack_sku(use_install_repo=False):
dist = detect_ostype()
if dist in ['ubuntu']:
pkg = 'nova-common'
elif dist in ['centos', 'fedora', 'redhat', 'centoslinux']:
pkg = 'openstack-nova-common'
else:
print "Unsupported OS type"
return None
pkg_ver = get_release(pkg=pkg, use_install_repo=use_install_repo)
if pkg_ver is None:
return None
if pkg_ver.find('2013.2') != -1:
openstack_sku = 'havana'
elif pkg_ver.find('2014.1') != -1:
openstack_sku = 'icehouse'
elif pkg_ver.find('2014.2') != -1:
openstack_sku = 'juno'
elif pkg_ver.find('2015.1') != -1:
openstack_sku = 'kilo'
elif pkg_ver.find('12.0') != -1:
openstack_sku = 'liberty'
elif pkg_ver.find('13.0') != -1:
openstack_sku = 'mitaka'
else:
print "OpenStack distribution unknown.. assuming icehouse.."
openstack_sku = 'icehouse'
return openstack_sku
#end get_openstack_sku
def is_liberty_or_above():
openstack_sku = get_openstack_sku()
liberty_or_above = True
if openstack_sku in ['havana', 'icehouse', 'juno', 'kilo']:
liberty_or_above = False
return liberty_or_above
#end is_liberty_or_above
def is_mitaka_or_above():
openstack_sku = get_openstack_sku()
if openstack_sku in ['havana', 'icehouse', 'juno', 'kilo', 'liberty']:
return False
else:
return True
#end is_mitaka_or_above
def get_release(pkg='contrail-install-packages', use_install_repo=False):
pkg_ver = None
dist = detect_ostype()
print "Dist is %s" % dist
if dist in ['centos', 'fedora', 'redhat', 'centoslinux']:
if use_install_repo:
cmd = "rpm -qp --queryformat '%%{VERSION}' /opt/contrail/contrail_install_repo/%s*.rpm 2> /dev/null" %pkg
else:
cmd = "rpm -q --queryformat '%%{VERSION}' %s" %pkg
elif dist in ['ubuntu']:
if use_install_repo:
cmd = "dpkg --info /opt/contrail/contrail_install_repo/%s*.deb | grep Version: | cut -d' ' -f3 | cut -d'-' -f1" %pkg
else:
cmd = "dpkg -s %s | grep Version: | cut -d' ' -f2 | cut -d'-' -f1" %pkg
# In case of nodes, where the expected pkg is not installed, Errors
# should be ignored and return None.
with settings(warn_only=True):
pkg_ver = sudo(cmd)
if 'is not installed' in pkg_ver or 'is not available' in pkg_ver or 'No such file or directory' in pkg_ver:
print "Package %s not installed." % pkg
return None
return pkg_ver
def get_build(pkg='contrail-install-packages'):
pkg_rel = None
dist = detect_ostype()
if dist in ['centos', 'fedora', 'redhat', 'centoslinux']:
cmd = "rpm -q --queryformat '%%{RELEASE}' %s" %pkg
elif dist in ['ubuntu']:
cmd = "dpkg -s %s | grep Version: | cut -d' ' -f2 | cut -d'-' -f2" %pkg
pkg_rel = sudo(cmd)
if 'is not installed' in pkg_rel or 'is not available' in pkg_rel:
print "Package %s not installed." % pkg
return None
return pkg_rel
def get_pkg_version_release(pkg='contrail-install-packages'):
pkg_rel = None
dist = detect_ostype()
if dist in ['centos', 'fedora', 'redhat', 'centoslinux']:
cmd = "rpm -q --queryformat '%%{VERSION}-%%{RELEASE}\\n' %s" % pkg
elif dist in ['ubuntu']:
cmd = "dpkg-query -W -f='${VERSION}\\n' %s" % pkg
else:
raise Exception("ERROR: Unknown dist (%s)" % dist)
pkg_rel = sudo(cmd)
if pkg_rel.failed or 'is not installed' in pkg_rel or 'is not available' in pkg_rel:
print "Package %s not installed." % pkg
return None
return pkg_rel.split('\r\n') if pkg_rel else pkg_rel
def is_package_installed(pkg_name):
ostype = detect_ostype()
if ostype in ['ubuntu']:
cmd = 'dpkg-query -l "%s" | grep -q ^.i'
elif ostype in ['centos','fedora', 'centoslinux', 'redhat']:
cmd = 'rpm -qi %s '
cmd = cmd % (pkg_name)
with settings(warn_only=True):
result = sudo(cmd)
return result.succeeded
#end is_package_installed
def get_as_sudo(src_file, dst_file):
basename = os.path.basename(src_file.rstrip('/'))
if not basename or basename in ['*']:
raise Exception('%s is not a valid path'%src_file)
tempdir = run('(tempdir=$(mktemp -d); echo $tempdir)')
tmp_file = '%s/tmp%s' % (tempdir, basename)
sudo('cp -rf %s %s'%(src_file, tmp_file))
sudo('chmod -R 777 %s'%tmp_file)
try:
status = get(tmp_file, dst_file)
if os.path.isdir(dst_file):
local('mv %s/tmp%s %s/%s' %(dst_file, basename, dst_file, basename))
except:
sudo('rm -rf %s' % tempdir)
raise
sudo('rm -rf %s' % tempdir)
#end get_as_sudo
def verify_command_succeeded(cmd, expected_output, error_str, max_count,
sleep_interval, warn_only):
count = 1
cmd_str = cmd
if warn_only:
with settings(warn_only=True):
output = sudo(cmd)
else:
output = sudo(cmd)
while not output.succeeded or output != expected_output:
count += 1
if count > max_count:
raise RuntimeError("%s: %s %s" % (error_str, output.succeeded,\
output))
sleep(sleep_interval)
if warn_only:
with settings(warn_only=True):
output = sudo(cmd)
else:
output = sudo(cmd)
#end verify_command_succeeded
# Delete file
def remove_file(file_name):
cmd = 'rm -f ' + file_name
sudo(cmd)
#end remove_file
def get_available_packages(os_type, *packages):
'''Retrieve packages version available in the node'''
os_type = detect_ostype()
pkg_dict = {}
for package in packages:
pkg_dict[package] = []
versions = None
with settings(warn_only=True):
if os_type in ['centos', 'redhat', 'centoslinux', 'fedora']:
versions = sudo("yum list %s | grep %s | awk -F ' ' '{print $2}'" %(package, package))
elif os_type in ['ubuntu']:
versions = sudo('apt-cache show %s | grep Version: | grep -Po "Version: \K.*"' % package)
else:
raise RuntimeError('UnSupported OS Type (%s)' % os_type)
if versions:
if versions.succeeded:
pkg_dict[package] = versions.split('\r\n')
return pkg_dict
def get_openstack_services():
""" Retrieves list of openstack service names dependending on its init system """
openstack_services_systemd = {}
openstack_services_sysv = {}
services = ['cinder-api', 'cinder-scheduler', 'glance-api', 'glance-registry',
'heat-api', 'heat-engine', 'heat-api-cfn', 'keystone', 'nova-api',
'nova-conductor', 'nova-consoleauth', 'nova-novncproxy', 'nova-scheduler']
openstack_services_systemd['services'] = ['openstack-%s' % svc for svc in services]
openstack_services_systemd['initsystem'] = 'systemd'
openstack_services_systemd['rabbitmq-server'] = 'rabbitmq-server'
openstack_services_systemd.update([(svc, 'openstack-%s' % svc) for svc in services])
openstack_services_sysv['services'] = ['supervisor-openstack']
openstack_services_sysv['initsystem'] = 'sysv'
openstack_services_sysv['rabbitmq-server'] = 'supervisor-support-service'
openstack_services_sysv.update([(svc, svc) for svc in services])
with settings(warn_only=True):
os_type = detect_ostype()
if os_type in ['centoslinux', 'redhat']:
return openstack_services_systemd
else:
return openstack_services_sysv