def do_run(self, context, cmd, node=None):
'''
Execute the given command on all nodes/specific node, report outcome
'''
try:
import parallax
_has_parallax = True
except ImportError:
_has_parallax = False
if not _has_parallax:
context.fatal_error("python package parallax is needed for this command")
hosts = utils.list_cluster_nodes()
if node and node in hosts:
hosts = [node]
opts = parallax.Options()
for host, result in parallax.call(hosts, cmd, opts).items():
if isinstance(result, parallax.Error):
err_buf.error("[%s]: %s" % (host, result))
else:
if result[0] != 0:
err_buf.error("[%s]: rc=%s\n%s\n%s" % (host, result[0], utils.to_ascii(result[1]), utils.to_ascii(result[2])))
else:
if not result[1]:
err_buf.ok("[%s]" % host)
else:
err_buf.ok("[%s]\n%s" % (host, utils.to_ascii(result[1])))
def do_run(self, context, cmd):
'''
Execute the given command on all nodes, report outcome
'''
try:
import parallax
_has_parallax = True
except ImportError:
_has_parallax = False
if not _has_parallax:
context.fatal_error(
"python package parallax is needed for this command")
hosts = utils.list_cluster_nodes()
opts = parallax.Options()
for host, result in parallax.call(hosts, cmd, opts).iteritems():
if isinstance(result, parallax.Error):
err_buf.error("[%s]: %s" % (host, result))
else:
if result[0] != 0:
err_buf.error("[%s]: rc=%s\n%s\n%s" %
(host, result[0], result[1], result[2]))
else:
err_buf.ok("[%s]\n%s" % (host, result[1]))
def run_copy():
try:
import parallax
except ImportError:
crm_script.exit_fail("Command node needs parallax installed")
opts = make_opts()
has_auth = os.path.isfile(COROSYNC_AUTH)
if has_auth:
results = parallax.copy(add_nodes, COROSYNC_AUTH, COROSYNC_AUTH, opts)
check_results(parallax, results)
results = parallax.call(
add_nodes,
"chown root:root %s;chmod 400 %s" % (COROSYNC_AUTH, COROSYNC_AUTH),
opts)
check_results(parallax, results)
# Add new nodes to corosync.conf before copying
for node in add_nodes:
rc, _, err = crm_script.call(['crm', 'corosync', 'add-node', node])
if rc != 0:
crm_script.exit_fail('Failed to add %s to corosync.conf: %s' %
(node, err))
results = parallax.copy(add_nodes, COROSYNC_CONF, COROSYNC_CONF, opts)
check_results(parallax, results)
# reload corosync config here?
rc, _, err = crm_script.call(['crm', 'corosync', 'reload'])
if rc != 0:
crm_script.exit_fail('Failed to reload corosync configuration: %s' %
(err))
crm_script.exit_ok(host)
def testUptime(self):
opts = para.Options()
opts.default_user = g_user
for host, result in para.call(g_hosts, "uptime", opts).items():
if isinstance(result, para.Error):
raise result
rc, out, err = result
self.assertEqual(rc, 0)
self.assert_(out.decode("utf8").find("load average") != -1)
def testSimpleCall(self):
opts = para.Options()
opts.default_user = g_user
for host, result in para.call(g_hosts, "ls -l /", opts).items():
if isinstance(result, para.Error):
raise result
rc, out, err = result
self.assertEqual(rc, 0)
self.assert_(len(out) > 0)
def run_copy():
try:
import parallax
except ImportError:
crm_script.exit_fail("Command node needs parallax installed")
opts = make_opts()
results = parallax.copy(others, COROSYNC_AUTH, COROSYNC_AUTH, opts)
check_results(parallax, results)
results = parallax.call(others,
"chown root:root %s;chmod 400 %s" % (COROSYNC_AUTH, COROSYNC_AUTH),
opts)
check_results(parallax, results)
def run_copy():
try:
import parallax as pssh
except ImportError:
crm_script.exit_fail("Command node needs parallax installed")
opts = make_opts()
results = pssh.copy(others, COROSYNC_AUTH, COROSYNC_AUTH, opts)
check_results(pssh, results)
results = pssh.call(others,
"chown root:root %s;chmod 400 %s" % (COROSYNC_AUTH, COROSYNC_AUTH),
opts)
check_results(pssh, results)
def parallax_call(nodes_list, cmd, askpass=False, ssh_options=None):
opts = parallax.Options()
if ssh_options is None:
opts.ssh_options = ['StrictHostKeyChecking=no', 'ConnectTimeout=10']
opts.askpass = askpass
if hasattr(opts, 'warn_message'):
opts.warn_message = False
results = parallax.call(nodes_list, cmd, opts)
for host, result in results.items():
if isinstance(result, parallax.Error):
raise ValueError("Failed on {}: {}".format(host, result))
return list(results.items())
def do_run(self, context, cmd, *nodes):
'''
Execute the given command on all nodes/specific node, report outcome
'''
try:
import parallax
_has_parallax = True
except ImportError:
_has_parallax = False
if not _has_parallax:
context.fatal_error(
"python package parallax is needed for this command")
if nodes:
hosts = list(nodes)
else:
hosts = utils.list_cluster_nodes()
if hosts is None:
context.fatal_error("failed to get node list from cluster")
opts = parallax.Options()
opts.ssh_options = ['StrictHostKeyChecking=no']
for host in hosts:
res = utils.check_ssh_passwd_need(host)
if res:
opts.askpass = True
break
for host, result in parallax.call(hosts, cmd, opts).items():
if isinstance(result, parallax.Error):
err_buf.error("[%s]: %s" % (host, result))
else:
if result[0] != 0:
err_buf.error("[%s]: rc=%s\n%s\n%s" %
(host, result[0], utils.to_ascii(
result[1]), utils.to_ascii(result[2])))
else:
if not result[1]:
err_buf.ok("[%s]" % host)
else:
err_buf.ok("[%s]\n%s" %
(host, utils.to_ascii(result[1])))
def do_run(self, context, cmd):
'''
Execute the given command on all nodes, report outcome
'''
try:
import parallax as pssh
_has_pssh = True
except ImportError:
_has_pssh = False
if not _has_pssh:
context.fatal_error("PSSH not found")
hosts = utils.list_cluster_nodes()
opts = pssh.Options()
for host, result in pssh.call(hosts, cmd, opts).iteritems():
if isinstance(result, pssh.Error):
err_buf.error("[%s]: %s" % (host, result))
else:
if result[0] != 0:
err_buf.error("[%s]: rc=%s\n%s\n%s" % (host, result[0], result[1], result[2]))
else:
err_buf.ok("[%s]\n%s" % (host, result[1]))
def _pssh_call(hosts, cmd, opts):
"pssh.call with debug logging"
if config.core.debug or options.regression_tests:
err_buf.debug("pssh.call(%s, %s)" % (repr(hosts), cmd))
return pssh.call(hosts, cmd, opts)
def _pssh_call(hosts, cmd, opts):
"pssh.call with debug logging"
if config.core.debug or options.regression_tests:
err_buf.debug("pssh.call(%s, %s)" % (repr(hosts), cmd))
return pssh.call(hosts, cmd, opts)
def call(self):
results = parallax.call(self.nodes, self.cmd, self.opts)
return self.handle(list(results.items()))
def testFailingCall(self):
opts = para.Options()
opts.default_user = g_user
for host, result in para.call(g_hosts, "touch /foofoo/barbar/jfikjfdj", opts).items():
self.assert_(isinstance(result, para.Error))
self.assert_(str(result).find('with error code') != -1)
