def stop(comp, debug=False, force=False):
"""Stop components."""
# prompt user
if not force:
cont = prompt(get_prompt_tokens=lambda x: [(Token.Alert,
"Stopping component[s]: {}. Continue [y/n]: ".format(comp)), (Token, " ")],
validator=YesNoValidator(), style=prompt_style) == 'y'
if not cont:
return 0
# get user's SDS conf settings
conf = SettingsConf()
logger.debug("Stopping %s" % comp)
stop_comp(comp, conf)
def start(comp, debug=False, force=False):
"""Start TPS components."""
# prompt user
if not force:
cont = prompt(get_prompt_tokens=lambda x: [(Token.Alert,
"Starting TPS on component[s]: {}. Continue [y/n]: ".format(comp)), (Token, " ")],
validator=YesNoValidator(), style=prompt_style) == 'y'
if not cont: return 0
# get user's SDS conf settings
conf = SettingsConf()
logger.debug("Starting %s" % comp)
if debug: start_comp(comp, conf)
else:
with hide('everything'):
start_comp(comp, conf)
def kibana(job_type, debug=False, force=False):
"""Update components."""
# prompt user
if not force:
cont = prompt(get_prompt_tokens=lambda x: [(
Token.Alert, "Updating Kibana: {}. Continue [y/n]: ".format(
job_type)), (Token, " ")],
validator=YesNoValidator(),
style=prompt_style) == 'y'
if not cont: return 0
# get user's SDS conf settings
conf = SettingsConf()
logger.debug("Processing %s" % job_type)
if debug: process_kibana_job(job_type, conf)
else:
with hide('everything'):
process_kibana_job(job_type, conf)
def configure():
"""Configure SDS config file for HySDS."""
# copy templates/files
copy_files()
# config file
cfg_file = get_user_config_path()
if os.path.exists(cfg_file):
cont = prompt(get_prompt_tokens=lambda x: [
(Token, cfg_file), (Token, " already exists. "),
(Token.Alert, "Customizations will be lost or overwritten!"),
(Token, " Continue [y/n]: ")
],
validator=YesNoValidator(),
style=prompt_style) == 'y'
#validator=YesNoValidator(), default='n', style=prompt_style) == 'y'
if not cont: return 0
with open(cfg_file) as f:
cfg = yaml.load(f)
else:
cfg = {}
# mozart
for k, d in CFG_DEFAULTS['mozart']:
v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# mozart components
comps = [('mozart-rabbit', 'rabbitMQ'), ('mozart-redis', 'redis'),
('mozart-es', 'elasticsearch')]
for grp, comp in comps:
reuse = prompt("Is mozart %s on a different IP [y/n]: " % comp,
validator=YesNoValidator(),
default='n') == 'n'
for k, d in CFG_DEFAULTS[grp]:
if reuse:
if k.endswith('_PVT_IP'):
cfg[k] = cfg['MOZART_PVT_IP']
continue
elif k.endswith('_PUB_IP'):
cfg[k] = cfg['MOZART_PUB_IP']
continue
elif k.endswith('_FQDN'):
cfg[k] = cfg['MOZART_FQDN']
continue
if k == 'MOZART_RABBIT_PASSWORD':
while True:
p1 = prompt(get_prompt_tokens=lambda x: [
(Token, "Enter RabbitMQ password for user "),
(Token.Username, "%s" % cfg['MOZART_RABBIT_USER']),
(Token, ": ")
],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x: [
(Token, "Re-enter RabbitMQ password for user "),
(Token.Username, "%s" % cfg['MOZART_RABBIT_USER']),
(Token, ": ")
],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
if p1 == p2:
if p1 == "":
print("Password can't be empty.")
continue
v = p1
break
print("Passwords don't match.")
elif k == 'MOZART_REDIS_PASSWORD':
while True:
p1 = prompt(get_prompt_tokens=lambda x: [(
Token, "Enter Redis password: "******"Re-enter Redis password: "******"Passwords don't match.")
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# ops
for k, d in CFG_DEFAULTS['ops']:
if k == 'OPS_PASSWORD_HASH':
while True:
p1 = prompt(get_prompt_tokens=lambda x: [
(Token, "Enter web interface password for ops user "),
(Token.Username, "%s" % cfg['OPS_USER']), (Token, ": ")
],
default="",
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x: [
(Token, "Re-enter web interface password for ops user "),
(Token.Username, "%s" % cfg['OPS_USER']), (Token, ": ")
],
default="",
style=prompt_style,
is_password=True)
if p1 == p2:
if p1 == "":
print("Password can't be empty.")
continue
v = hashlib.sha224(p1).hexdigest()
break
print("Passwords don't match.")
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# metrics
for k, d in CFG_DEFAULTS['metrics']:
v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# metrics components
comps = [('metrics-redis', 'redis'), ('metrics-es', 'elasticsearch')]
for grp, comp in comps:
reuse = prompt("Is metrics %s on a different IP [y/n]: " % comp,
validator=YesNoValidator(),
default='n') == 'n'
for k, d in CFG_DEFAULTS[grp]:
if reuse:
if k.endswith('_PVT_IP'):
cfg[k] = cfg['METRICS_PVT_IP']
continue
elif k.endswith('_PUB_IP'):
cfg[k] = cfg['METRICS_PUB_IP']
continue
elif k.endswith('_FQDN'):
cfg[k] = cfg['METRICS_FQDN']
continue
if k == 'METRICS_REDIS_PASSWORD':
while True:
p1 = prompt(get_prompt_tokens=lambda x: [(
Token, "Enter Redis password: "******"Re-enter Redis password: "******"Passwords don't match.")
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# grq
for k, d in CFG_DEFAULTS['grq']:
v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# grq components
comps = [('grq-es', 'elasticsearch')]
for grp, comp in comps:
reuse = prompt("Is grq %s on a different IP [y/n]: " % comp,
validator=YesNoValidator(),
default='n') == 'n'
for k, d in CFG_DEFAULTS[grp]:
if reuse:
if k.endswith('_PVT_IP'):
cfg[k] = cfg['GRQ_PVT_IP']
continue
elif k.endswith('_PUB_IP'):
cfg[k] = cfg['GRQ_PUB_IP']
continue
elif k.endswith('_FQDN'):
cfg[k] = cfg['GRQ_FQDN']
continue
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# factotum
for k, d in CFG_DEFAULTS['factotum']:
v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# ci
for k, d in CFG_DEFAULTS['ci']:
if k in ('JENKINS_API_KEY', 'GIT_OAUTH_TOKEN'):
while True:
p1 = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x: [(
Token, "Re-enter value for "), (Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
if p1 == p2:
v = p1
break
print("Values don't match.")
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# verdi
for k, d in CFG_DEFAULTS['verdi']:
v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# webdav
for k, d in CFG_DEFAULTS['webdav']:
if k == 'DAV_PASSWORD':
while True:
p1 = prompt(get_prompt_tokens=lambda x:
[(Token, "Enter webdav password for user "),
(Token.Username, "%s" % cfg['DAV_USER']),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x:
[(Token, "Re-enter webdav password for ops user "),
(Token.Username, "%s" % cfg['DAV_USER']),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
if p1 == p2:
v = p1
break
print("Passwords don't match.")
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# aws-dataset
for k, d in CFG_DEFAULTS['aws-dataset']:
if k == 'DATASET_AWS_SECRET_KEY':
if cfg['DATASET_AWS_ACCESS_KEY'] == "":
cfg['DATASET_AWS_SECRET_KEY'] = ""
continue
while True:
p1 = prompt(get_prompt_tokens=lambda x: [
(Token, "Enter AWS secret key for "),
(Token.Username, "%s" % cfg['DATASET_AWS_ACCESS_KEY']),
(Token, ": ")
],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x: [
(Token, "Re-enter AWS secret key for "),
(Token.Username, "%s" % cfg['DATASET_AWS_ACCESS_KEY']),
(Token, ": ")
],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
if p1 == p2:
v = p1
break
print("Keys don't match.")
elif k == 'DATASET_AWS_ACCESS_KEY':
v = prompt(get_prompt_tokens=lambda x:
[(Token, "Enter value for "), (Token.Param, "%s" % k),
(Token, ". If using instance roles, just press enter"),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# aws-asg
for k, d in CFG_DEFAULTS['aws-asg']:
if k == 'AWS_SECRET_KEY':
if cfg['AWS_ACCESS_KEY'] == "":
cfg['AWS_SECRET_KEY'] = ""
continue
while True:
p1 = prompt(get_prompt_tokens=lambda x:
[(Token, "Enter AWS secret key for "),
(Token.Username, "%s" % cfg['AWS_ACCESS_KEY']),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
p2 = prompt(get_prompt_tokens=lambda x:
[(Token, "Re-enter AWS secret key for "),
(Token.Username, "%s" % cfg['AWS_ACCESS_KEY']),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style,
is_password=True)
if p1 == p2:
v = p1
break
print("Keys don't match.")
elif k == 'AWS_ACCESS_KEY':
v = prompt(get_prompt_tokens=lambda x:
[(Token, "Enter value for "), (Token.Param, "%s" % k),
(Token, ". If using instance roles, just press enter"),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
else:
v = prompt(
get_prompt_tokens=lambda x: [(Token, "Enter value for "),
(Token.Param, "%s" % k),
(Token, ": ")],
default=unicode(cfg.get(k, d)),
style=prompt_style)
cfg[k] = v
# ensure directory exists
validate_dir(os.path.dirname(cfg_file), mode=0700)
yml = CFG_TMPL.format(**cfg)
with open(cfg_file, 'w') as f:
f.write(yml)
def create(args, conf):
"""Create Autoscaling group."""
# get clients
c = boto3.client('autoscaling')
ec2 = boto3.client('ec2')
# get current autoscaling groups
cur_asgs = {i['AutoScalingGroupName']: i for i in get_asgs(c)}
logger.debug("cur_asgs: {}".format(pformat(cur_asgs)))
# get current launch configs
cur_lcs = {i['LaunchConfigurationName']: i for i in get_lcs(c)}
logger.debug("cur_lcs: {}".format(pformat(cur_lcs)))
# get current key pairs
cur_keypairs = {i['KeyName']: i for i in get_keypairs(ec2)}
logger.debug("cur_keypairs: {}".format(pformat(cur_keypairs)))
# get current AMIs
verdi_re = re.compile(r'(?:verdi|autoscale)', re.IGNORECASE)
cur_images = OrderedDict([(i['ImageId'], i) for i in filter(
lambda x: verdi_re.search(x['Name']),
sorted(get_images(c=ec2, Owners=['self']),
key=itemgetter('CreationDate')))])
logger.debug("cur_images: {}".format(json.dumps(cur_images, indent=2)))
logger.debug("cur_images.keys(): {}".format(cur_images.keys()))
# get current security groups
cur_sgs = {i['GroupId']: i for i in get_sgs(ec2)}
logger.debug("cur_sgs: {}".format(pformat(cur_sgs)))
# prompt for verdi AMI
ami = prompt_image(cur_images)
logger.debug("AMI ID: {}".format(ami))
# prompt for key pair
keypair = prompt_keypair(cur_keypairs)
logger.debug("key pair: {}".format(keypair))
# prompt for security groups
sgs, vpc_id = prompt_secgroup(cur_sgs)
logger.debug("security groups: {}".format(sgs))
logger.debug("VPC ID: {}".format(vpc_id))
# get current AZs
cur_azs = {i['ZoneName']: i for i in get_azs(ec2)}
logger.debug("cur_azs: {}".format(pformat(cur_azs)))
# get subnet IDs and corresponding AZs for VPC
subnets = []
azs = set()
for sn in get_subnets_by_vpc(vpc_id):
sn_id = sn.subnet_id
sn_az = sn.availability_zone
if cur_azs[sn_az]['State'] == 'available':
subnets.append(sn_id)
azs.add(sn_az)
azs = list(azs)
logger.debug("subnets: {}".format(pformat(subnets)))
logger.debug("azs: {}".format(pformat(azs)))
# check asgs that need to be configured
for project in [i.strip() for i in conf.get('PROJECTS').split()]:
asg = "{}-{}-{}".format(conf.get('AUTOSCALE_GROUP'), project,
conf.get('VENUE'))
if asg in cur_asgs:
print("ASG {} already exists. Skipping.".format(asg))
continue
print_component_header(
"Configuring autoscaling group:\n{}".format(asg))
# get user data
user_data = "BUNDLE_URL=s3://{}/{}-{}.tbz2".format(
conf.get('CODE_BUCKET'), project, conf.get('VENUE'))
# prompt instance type
instance_type = prompt(get_prompt_tokens=lambda x: [
(Token, "Refer to https://www.ec2instances.info/ "),
(Token, "and enter instance type to use for launch "),
(Token, "configuration: ")
],
style=prompt_style,
validator=Ec2InstanceTypeValidator()).strip()
logger.debug("instance type: {}".format(instance_type))
# use spot?
market = "ondemand"
spot_bid = None
use_spot = prompt(get_prompt_tokens=lambda x: [(
Token, "Do you want to use spot instances [y/n]: ")],
validator=YesNoValidator(),
style=prompt_style).strip() == 'y'
if use_spot:
market = "spot"
spot_bid = prompt(get_prompt_tokens=lambda x: [(
Token, "Enter spot price bid: ")],
style=prompt_style,
validator=PriceValidator()).strip()
logger.debug("spot price bid: {}".format(spot_bid))
# get block device mappings and remove encrypteed flag for spot to fire up
bd_maps = cur_images[ami]['BlockDeviceMappings']
for bd_map in bd_maps:
if 'Ebs' in bd_map and 'Encrypted' in bd_map['Ebs']:
del bd_map['Ebs']['Encrypted']
# get launch config
lc_args = {
'ImageId': ami,
'KeyName': keypair,
'SecurityGroups': sgs,
'UserData': user_data,
'InstanceType': instance_type,
'BlockDeviceMappings': bd_maps,
}
if spot_bid is None:
lc = "{}-{}-{}-launch-config".format(asg, instance_type, market)
else:
lc = "{}-{}-{}-{}-launch-config".format(asg, instance_type, market,
spot_bid)
lc_args['SpotPrice'] = spot_bid
lc_args['LaunchConfigurationName'] = lc
if lc in cur_lcs:
print(
"Launch configuration {} already exists. Skipping.".format(lc))
else:
lc_info = create_lc(c, **lc_args)
logger.debug("Launch configuration {}: {}".format(
lc, pformat(lc_info)))
print("Created launch configuration {}.".format(lc))
# get autoscaling group config
asg_args = {
'AutoScalingGroupName':
asg,
'LaunchConfigurationName':
lc,
'MinSize':
0,
'MaxSize':
0,
'DefaultCooldown':
60,
'DesiredCapacity':
0,
'HealthCheckType':
'EC2',
'HealthCheckGracePeriod':
300,
'NewInstancesProtectedFromScaleIn':
False,
'AvailabilityZones':
azs,
'VPCZoneIdentifier':
",".join(subnets),
'Tags': [
{
'Key': 'Name',
'Value': '{}-worker'.format(asg),
'PropagateAtLaunch': True,
},
{
'Key': 'Venue',
'Value': conf.get('VENUE'),
'PropagateAtLaunch': True,
},
{
'Key': 'Project',
'Value': project,
'PropagateAtLaunch': True,
},
],
}
logger.debug("asg_args: {}".format(pformat(asg_args)))
asg_info = create_asg(c, **asg_args)
logger.debug("Autoscaling group {}: {}".format(asg, pformat(asg_info)))
print("Created autoscaling group {}".format(asg))
# add target tracking scaling policies
for size in ('large', 'small'):
queue = "{}-job_worker-{}".format(project, size)
policy_name = "{}-{}-target-tracking".format(asg, size)
metric_name = "JobsWaitingPerInstance-{}-{}".format(queue, asg)
ttsp_args = {
'AutoScalingGroupName': asg,
'PolicyName': policy_name,
'PolicyType': 'TargetTrackingScaling',
'TargetTrackingConfiguration': {
'CustomizedMetricSpecification': {
'MetricName':
metric_name,
'Namespace':
'HySDS',
'Dimensions': [{
'Name': 'AutoScalingGroupName',
'Value': asg,
}, {
'Name': 'Queue',
'Value': queue,
}],
'Statistic':
'Maximum'
},
'TargetValue': 1.0,
'DisableScaleIn': True
},
}
logger.debug("ttsp_args: {}".format(pformat(ttsp_args)))
ttsp_info = c.put_scaling_policy(**ttsp_args)
logger.debug("Target tracking scaling policy {}: {}".format(
policy_name, pformat(ttsp_info)))
print("Added target tracking scaling policy {} to {}".format(
policy_name, asg))
def create(args, conf):
"""Create Autoscaling group."""
# get autoscaling conf
asg_cfg = conf._cfg.get('ASG', {})
# get clients
c = boto3.client('autoscaling')
ec2 = boto3.client('ec2')
# get current autoscaling groups
cur_asgs = {i['AutoScalingGroupName']: i for i in get_asgs(c)}
logger.debug("cur_asgs: {}".format(pformat(cur_asgs)))
# get current key pairs
cur_keypairs = {i['KeyName']: i for i in get_keypairs(ec2)}
logger.debug("cur_keypairs: {}".format(pformat(cur_keypairs)))
# get roles
cur_roles = {i['RoleName']: i for i in get_roles()}
logger.debug("cur_roles: {}".format(pformat(cur_roles)))
# get current AMIs
verdi_re = re.compile(r'(?:verdi|autoscale)', re.IGNORECASE)
cur_images = OrderedDict([(i['ImageId'], i) for i in [
x for x in sorted(get_images(c=ec2,
Filters=[{
'Name': 'is-public',
'Values': ['false']
}]),
key=itemgetter('CreationDate'))
if verdi_re.search(x['Name'])
]])
logger.debug("cur_images: {}".format(json.dumps(cur_images, indent=2)))
logger.debug("cur_images.keys(): {}".format(list(cur_images.keys())))
# get current security groups
cur_sgs = {i['GroupId']: i for i in get_sgs(ec2)}
logger.debug("cur_sgs: {}".format(pformat(cur_sgs)))
# prompt for verdi AMI
if 'AMI' in asg_cfg:
ami = asg_cfg['AMI']
else:
ami = prompt_image(cur_images)
logger.debug("AMI ID: {}".format(ami))
# prompt for key pair
if 'KEYPAIR' in asg_cfg:
keypair = asg_cfg['KEYPAIR']
else:
keypair = prompt_keypair(cur_keypairs)
logger.debug("key pair: {}".format(keypair))
# prompt for roles
use_role = False
if 'USE_ROLE' in asg_cfg:
use_role = asg_cfg['USE_ROLE']
else:
use_role = prompt(get_prompt_tokens=lambda x: [(
Token, "Do you want to use instance roles [y/n]: ")],
validator=YesNoValidator(),
style=prompt_style).strip() == 'y'
logger.debug("use_role: {} {}".format(use_role, type(use_role)))
if use_role:
if 'ROLE' in asg_cfg:
role = asg_cfg['ROLE']
else:
role = prompt_roles(cur_roles)
logger.debug("role: {}".format(role))
# prompt for security groups
if 'SECURITY_GROUPS' in asg_cfg and 'VPC' in asg_cfg:
sgs = asg_cfg.get('SECURITY_GROUPS', [])
vpc_id = asg_cfg.get('VPC', None)
else:
sgs, vpc_id = prompt_secgroup(cur_sgs)
logger.debug("security groups: {}".format(sgs))
logger.debug("VPC ID: {}".format(vpc_id))
# get current AZs
cur_azs = {i['ZoneName']: i for i in get_azs(ec2)}
logger.debug("cur_azs: {}".format(pformat(cur_azs)))
# get subnet IDs and corresponding AZs for VPC
subnets = []
azs = set()
for sn in get_subnets_by_vpc(vpc_id):
sn_id = sn.subnet_id
sn_az = sn.availability_zone
if cur_azs[sn_az]['State'] == 'available':
subnets.append(sn_id)
azs.add(sn_az)
azs = list(azs)
logger.debug("subnets: {}".format(pformat(subnets)))
logger.debug("azs: {}".format(pformat(azs)))
# check asgs that need to be configured
queues = conf._cfg.get('QUEUES', [])
if len(queues) == 0:
queue_names = prompt(
'Please enter queue names, separate by space, for example: [job_worker-small job_worker-large]: ',
default='job_worker-small job_worker-large')
q_list = queue_names.split()
for i in range(len(q_list)):
inst = prompt(
'Please enter instance names, separate by space, for ' +
q_list[i] +
', for example: [t2.medium t3.medium t3a.medium]: ',
default='t2.medium t3.medium t3a.medium')
i_list = inst.split()
d = {'QUEUE_NAME': q_list[i], 'INSTANCE_TYPES': i_list}
queues.append(d)
logger.debug(str(queues))
for i, q in enumerate(queues):
queue = q['QUEUE_NAME']
ins_type = q['INSTANCE_TYPES']
inst_type_arr = []
for j in range(len(ins_type)):
inst_type_arr.append({'InstanceType': ins_type[j]})
#used as parameter in Overrides
overrides = inst_type_arr
asg = "{}-{}".format(conf.get('VENUE'), queue)
if asg in cur_asgs:
print(("ASG {} already exists. Skipping.".format(asg)))
continue
print_component_header(
"Configuring autoscaling group:\n{}".format(asg))
# get user data
user_data = "BUNDLE_URL=s3://{}/{}-{}.tbz2".format(
conf.get('CODE_BUCKET'), queue, conf.get('VENUE'))
# get block device mappings and remove encrypteed flag for spot to fire up
bd_maps = cur_images[ami]['BlockDeviceMappings']
for bd_map in bd_maps:
if 'Ebs' in bd_map and 'Encrypted' in bd_map['Ebs']:
del bd_map['Ebs']['Encrypted']
# get launch template
lt_args = {
'LaunchTemplateData': {
'ImageId': ami,
'KeyName': keypair,
'SecurityGroupIds': sgs,
'UserData': base64.b64encode(user_data.encode()).decode(),
'BlockDeviceMappings': bd_maps,
}
}
if use_role:
lt_args['LaunchTemplateData']['IamInstanceProfile'] = {
'Name': role
}
lt = "{}-launch-template".format(asg)
lt_args['LaunchTemplateName'] = lt
lt_info = create_lt(ec2, **lt_args)
logger.debug("Launch template {}: {}".format(lt, pformat(lt_info)))
print(("Created launch template {}.".format(lt)))
# get autoscaling group config
asg_args = {
'AutoScalingGroupName':
asg,
'MixedInstancesPolicy': {
'LaunchTemplate': {
'LaunchTemplateSpecification': {
'LaunchTemplateName': lt,
'Version': '$Latest'
},
'Overrides': overrides
},
'InstancesDistribution': {
'OnDemandAllocationStrategy': 'prioritized',
'OnDemandBaseCapacity': 0,
'OnDemandPercentageAboveBaseCapacity': 0,
'SpotAllocationStrategy': 'lowest-price',
'SpotInstancePools': len(ins_type),
'SpotMaxPrice': ''
}
},
'MinSize':
0,
'MaxSize':
0,
'DefaultCooldown':
60,
'DesiredCapacity':
0,
'HealthCheckType':
'EC2',
'HealthCheckGracePeriod':
300,
'NewInstancesProtectedFromScaleIn':
False,
'AvailabilityZones':
azs,
'VPCZoneIdentifier':
",".join(subnets),
'Tags': [
{
'Key': 'Name',
'Value': '{}-worker'.format(asg),
'PropagateAtLaunch': True,
},
{
'Key': 'Venue',
'Value': conf.get('VENUE'),
'PropagateAtLaunch': True,
},
{
'Key': 'Queue',
'Value': queue,
'PropagateAtLaunch': True,
},
{
'Key': 'Bravo',
'Value': 'pcm',
'PropagateAtLaunch': True,
},
],
}
logger.debug("asg_args: {}".format(pformat(asg_args)))
asg_info = create_asg(c, **asg_args)
logger.debug("Autoscaling group {}: {}".format(asg, pformat(asg_info)))
print("Created autoscaling group {}".format(asg))
# add target tracking scaling policy
policy_name = "{}-target-tracking".format(asg)
metric_name = "JobsWaitingPerInstance-{}".format(asg)
ttsp_args = {
'AutoScalingGroupName': asg,
'PolicyName': policy_name,
'PolicyType': 'TargetTrackingScaling',
'TargetTrackingConfiguration': {
'CustomizedMetricSpecification': {
'MetricName':
metric_name,
'Namespace':
'HySDS',
'Dimensions': [{
'Name': 'AutoScalingGroupName',
'Value': asg,
}, {
'Name': 'Queue',
'Value': queue,
}],
'Statistic':
'Maximum'
},
'TargetValue': 1.0,
'DisableScaleIn': True
},
}
logger.debug("ttsp_args: {}".format(pformat(ttsp_args)))
ttsp_info = c.put_scaling_policy(**ttsp_args)
logger.debug("Target tracking scaling policy {}: {}".format(
policy_name, pformat(ttsp_info)))
print(("Added target tracking scaling policy {} to {}".format(
policy_name, asg)))