def start_instance(conn, inst_id, debug=False, sleep=10, max_tries=50):
"""Starts up an existing EC2 instance given its id."""
if debug:
print 'starting a instance (id=%s)' % inst_id
insts = conn.start_instances(instance_ids=[inst_id])
inst = insts[0]
check_inst_state(inst, u'running', debug=debug)
if inst.state != u'running':
raise RuntimeError("instance with id '%s' failed to start" % inst_id)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i+1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
if ssh_test(inst.public_dns_name):
break
else:
raise RuntimeError("instance '%s' ran but ssh connection attempts"
" failed (%d attempts)" % (inst_id, max_tries))
return inst
def start_instance(conn, inst_id, debug=False, sleep=10, max_tries=50):
"""Starts up an existing EC2 instance given its id"""
if debug:
print 'starting a instance (id=%s)' % inst_id
insts = conn.start_instances(instance_ids=[inst_id])
inst = insts[0]
check_inst_state(inst, u'running', debug=debug)
if inst.state != u'running':
raise RuntimeError("instance with id '%s' failed to start" % inst_id)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i + 1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
if ssh_test(inst.public_dns_name):
break
else:
raise RuntimeError("instance '%s' ran but ssh connection attempts"
" failed (%d attempts)" % (inst_id, max_tries))
return inst
def start_instance_from_image(conn, config, name, sleep=10, max_tries=50,
stream=sys.stdout):
"""Starts up an EC2 instance having the specified 'short' name and
returns the instance.
"""
debug = config.getboolean(name, 'debug')
img_id = config.get(name, 'image_id')
img = conn.get_image(img_id)
instance_type = config.get(name, 'instance_type')
platform = config.get(name, 'platform')
identity = config.get(name, 'identity')
py = config.get(name, 'py')
key_name = os.path.splitext(os.path.basename(identity))[0]
security_groups = [s.strip() for s in config.get(name, 'security_groups').split()
if len(s.strip())>0]
print 'starting instance of image %s' % name
print " image id: %s" % img_id
print " location: %s" % img.location
print " platform: %s" % platform
print " identity: %s" % identity
print " key name: %s" % key_name
print " security_groups: %s" % security_groups
print " python: %s" % py
reservation = img.run(key_name=key_name,
security_groups=security_groups,
instance_type=instance_type)
inst = reservation.instances[0]
check_inst_state(inst, u'running', imgname=name, debug=debug)
if inst.state != u'running':
raise RuntimeError("instance of '%s' failed to run" % name)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i+1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
if ssh_test(inst.public_dns_name):
break
else:
stream.write("\nssh connection to %s failed after %d attempts."
" terminating...\n" % (name, max_tries))
terminate_instance(inst, name, stream, debug)
raise RuntimeError("couldn't connect to %s via ssh" % name)
time.sleep(20)
try:
conn.create_tags([inst.id], {'Name': "%s_%s" % (get_username(), name)} )
except Exception as err:
stream.write(str(err))
return inst
def start_instance_from_image(conn, config, name, sleep=10, max_tries=50):
"""Starts up an EC2 instance having the specified 'short' name and
returns the instance.
"""
debug = config.getboolean(name, 'debug')
img_id = config.get(name, 'image_id')
img = conn.get_image(img_id)
instance_type = config.get(name, 'instance_type')
platform = config.get(name, 'platform')
identity = config.get(name, 'identity')
key_name = os.path.splitext(os.path.basename(identity))[0]
security_groups = [
s.strip() for s in config.get(name, 'security_groups').split()
if len(s.strip()) > 0
]
print 'starting instance of image %s' % name
print " image id: %s" % img_id
print " location: %s" % img.location
print " platform: %s" % platform
print " identity: %s" % identity
print " key name: %s" % key_name
print " security_groups: %s" % security_groups
reservation = img.run(key_name=key_name,
security_groups=security_groups,
instance_type=instance_type)
inst = reservation.instances[0]
check_inst_state(inst, u'running', imgname=name, debug=debug)
if inst.state != u'running':
raise RuntimeError("instance of '%s' failed to run" % name)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i + 1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
if ssh_test(inst.public_dns_name):
break
else:
raise RuntimeError(
"instance of '%s' ran but ssh connection attempts failed (%d attempts)"
% (name, max_tries))
time.sleep(20)
try:
conn.create_tags([inst.id], {'Name': "%s_%s" % (get_username(), name)})
except Exception as err:
print str(err)
return inst
def start_instance_from_image(conn, config, name, sleep=10, max_tries=50):
"""Starts up an EC2 instance having the specified 'short' name and
returns the instance.
"""
debug = config.getboolean(name, 'debug')
img_id = config.get(name, 'image_id')
img = conn.get_image(img_id)
instance_type = config.get(name, 'instance_type')
platform = config.get(name, 'platform')
identity = config.get(name, 'identity')
key_name = os.path.splitext(os.path.basename(identity))[0]
security_groups = [s.strip() for s in config.get(name, 'security_groups').split()
if len(s.strip())>0]
print 'starting instance of image %s' % name
print " image id: %s" % img_id
print " location: %s" % img.location
print " platform: %s" % platform
print " identity: %s" % identity
print " key name: %s" % key_name
print " security_groups: %s" % security_groups
reservation = img.run(key_name=key_name,
security_groups=security_groups,
instance_type=instance_type)
inst = reservation.instances[0]
check_inst_state(inst, u'running', imgname=name, debug=debug)
if inst.state != u'running':
raise RuntimeError("instance of '%s' failed to run" % name)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i+1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
if ssh_test(inst.public_dns_name):
break
else:
raise RuntimeError("instance of '%s' ran but ssh connection attempts failed (%d attempts)" % (name,max_tries))
time.sleep(20)
return inst
def start_instance_from_image(conn,
config,
name,
sleep=10,
max_tries=50,
stream=sys.stdout):
"""Starts up an EC2 instance having the specified 'short' name and
returns the instance.
"""
debug = config.getboolean(name, 'debug')
img_id = config.get(name, 'image_id')
img = conn.get_image(img_id)
instance_type = config.get(name, 'instance_type')
platform = config.get(name, 'platform')
identity = config.get(name, 'identity')
py = config.get(name, 'py')
key_name = os.path.splitext(os.path.basename(identity))[0]
security_groups = [
s.strip() for s in config.get(name, 'security_groups').split()
if len(s.strip()) > 0
]
print 'starting instance of image %s' % name
print " image id: %s" % img_id
print " location: %s" % img.location
print " platform: %s" % platform
print " identity: %s" % identity
print " key name: %s" % key_name
print " security_groups: %s" % security_groups
print " python: %s" % py
reservation = img.run(key_name=key_name,
security_groups=security_groups,
instance_type=instance_type)
inst = reservation.instances[0]
check_inst_state(inst, u'running', imgname=name, debug=debug)
if inst.state != u'running':
raise RuntimeError("instance of '%s' failed to run" % name)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
if platform == 'windows':
# Extremely slow startup, don't even try for a minute.
print 'pausing for lethargic windows...'
time.sleep(60)
successes = 0
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i + 1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
# In addition, sometimes the initial success is a fluke and the
# next connection fails, so we wait for three successes in a row.
if ssh_test(inst.public_dns_name):
successes += 1
if successes > 2:
break
else:
successes = 0
else:
stream.write("\nssh connection to %s failed after %d attempts."
" terminating...\n" % (name, max_tries))
terminate_instance(inst, name, stream, debug)
raise RuntimeError("couldn't connect to %s via ssh" % name)
time.sleep(20)
try:
conn.create_tags([inst.id], {'Name': "%s_%s" % (get_username(), name)})
except Exception as err:
stream.write(str(err))
return inst
def start_instance_from_image(conn, config, name, sleep=10, max_tries=50,
stream=sys.stdout):
"""Starts up an EC2 instance having the specified 'short' name and
returns the instance.
"""
debug = config.getboolean(name, 'debug')
img_id = config.get(name, 'image_id')
# Sometimes requires retry due to:
# SSLError: [Errno 8] _ssl.c:504: EOF occurred in violation of protocol
for retry in range(3):
try:
img = conn.get_image(img_id)
except Exception as exc:
print 'get_image(%s) failed: %s' % (img_id, exc)
time.sleep(1)
else:
break
else:
raise RuntimeError("Can't get image for %s" % img_id)
instance_type = config.get(name, 'instance_type')
platform = config.get(name, 'platform')
identity = config.get(name, 'identity')
py = config.get(name, 'py')
key_name = os.path.splitext(os.path.basename(identity))[0]
security_groups = [s.strip() for s in config.get(name, 'security_groups').split()
if len(s.strip())>0]
print 'starting instance of image %s' % name
print " image id: %s" % img_id
print " location: %s" % img.location
print " platform: %s" % platform
print " identity: %s" % identity
print " key name: %s" % key_name
print " security_groups: %s" % security_groups
print " python: %s" % py
reservation = img.run(key_name=key_name,
security_groups=security_groups,
instance_type=instance_type)
inst = reservation.instances[0]
check_inst_state(inst, u'running', imgname=name, debug=debug)
if inst.state != u'running':
raise RuntimeError("instance of '%s' failed to run" % name)
if debug:
print "instance at address '%s' is running" % inst.public_dns_name
if platform == 'windows':
# Extremely slow startup, don't even try for a minute.
print 'pausing for lethargic windows...'
time.sleep(60)
successes = 0
for i in range(max_tries):
time.sleep(sleep)
if debug:
print "testing ssh connection (try #%d)" % (i+1)
# even though the instance is running, it takes a while before
# sshd is running, so we have to wait a bit longer
# In addition, sometimes the initial success is a fluke and the
# next connection fails, so we wait for three successes in a row.
if ssh_test(inst.public_dns_name):
successes += 1
if successes > 2:
break
else:
successes = 0
else:
stream.write("\nssh connection to %s failed after %d attempts."
" terminating...\n" % (name, max_tries))
terminate_instance(inst, name, stream, debug)
raise RuntimeError("couldn't connect to %s via ssh" % name)
time.sleep(20)
try:
conn.create_tags([inst.id], {'Name': "%s_%s" % (get_username(), name)} )
except Exception as err:
stream.write(str(err))
return inst