diff --git a/library/cloud/ec2_elb_lb b/library/cloud/ec2_elb_lb index c30e0364bd..b7dc317fe0 100644 --- a/library/cloud/ec2_elb_lb +++ b/library/cloud/ec2_elb_lb @@ -49,7 +49,12 @@ options: description: - Purge existing availability zones on ELB that are not found in zones required: false - default: False + default: false + health_check: + description: + - An associative array of health check configuration settigs (see example) + require: false + default: None aws_secret_key: description: - AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used. @@ -83,15 +88,36 @@ EXAMPLES = """ - us-east-1a - us-east-1d listeners: - - protocol: http + - protocol: http # options are http, https, ssl, tcp load_balancer_port: 80 instance_port: 80 - protocol: https load_balancer_port: 443 - instance_protocol: http + instance_protocol: http # optional, defaults to value of protocol setting instance_port: 80 + # ssl certificate required for https or ssl ssl_certificate_id: "arn:aws:iam::123456789012:server-certificate/company/servercerts/ProdServerCert" +# Configure a health check +- local_action: + module: ec2_elb_lb + name: "test-please-delete" + state: present + zones: + - us-east-1d + listeners: + - protocol: http + load_balancer_port: 80 + instance_port: 80 + health_check: + ping_protocol: http # options are http, https, ssl, tcp + ping_port: 80 + ping_path: "/index.html" # not required for tcp or ssl + response_timeout: 5 # seconds + interval: 30 # seconds + unhealthy_threshold: 2 + healthy_threshold: 10 + # Ensure ELB is gone - local_action: module: ec2_elb_lb @@ -146,6 +172,7 @@ AWS_REGIONS = ['ap-northeast-1', try: import boto import boto.ec2.elb + from boto.ec2.elb.healthcheck import HealthCheck from boto.regioninfo import RegionInfo except ImportError: print "failed=True msg='boto required for this module'" @@ -156,14 +183,15 @@ class ElbManager(object): """Handles ELB creation and destruction""" def __init__(self, module, name, listeners=None, purge_listeners=None, - zones=None, purge_zones=None, aws_access_key=None, - aws_secret_key=None, region=None): + zones=None, purge_zones=None, health_check=None, + aws_access_key=None, aws_secret_key=None, region=None): self.module = module self.name = name self.listeners = listeners self.purge_listeners = purge_listeners self.zones = zones self.purge_zones = purge_zones + self.health_check = health_check self.aws_access_key = aws_access_key self.aws_secret_key = aws_secret_key @@ -182,6 +210,7 @@ class ElbManager(object): else: self._set_zones() self._set_elb_listeners() + self._set_health_check() def ensure_gone(self): """Destroy the ELB""" @@ -201,6 +230,16 @@ class ElbManager(object): 'zones': self.elb.availability_zones, 'status': self.status } + + if self.elb.health_check: + info['health_check'] = { + 'target': self.elb.health_check.target, + 'interval': self.elb.health_check.interval, + 'timeout': self.elb.health_check.timeout, + 'healthy_threshold': self.elb.health_check.healthy_threshold, + 'unhealthy_threshold': self.elb.health_check.unhealthy_threshold, + } + if self.elb.listeners: info['listeners'] = [l.get_complex_tuple() for l in self.elb.listeners] @@ -366,6 +405,46 @@ class ElbManager(object): if zones_to_disable: self._disable_zones(zones_to_disable) + def _set_health_check(self): + """Set health check values on ELB as needed""" + if self.health_check: + # This just makes it easier to compare each of the attributes + # and look for changes. Keys are attributes of the current + # health_check; values are desired values of new health_check + health_check_config = { + "target": self._get_health_check_target(), + "timeout": self.health_check['response_timeout'], + "interval": self.health_check['interval'], + "unhealthy_threshold": self.health_check['unhealthy_threshold'], + "healthy_threshold": self.health_check['healthy_threshold'], + } + + update_health_check = False + + # The health_check attribute is *not* set on newly created + # ELBs! So we have to create our own. + if not self.elb.health_check: + self.elb.health_check = HealthCheck() + + for attr, desired_value in health_check_config.iteritems(): + if getattr(self.elb.health_check, attr) != desired_value: + setattr(self.elb.health_check, attr, desired_value) + update_health_check = True + + if update_health_check: + self.elb.configure_health_check(self.elb.health_check) + self.changed = True + + def _get_health_check_target(self): + """Compose target string from healthcheck parameters""" + protocol = self.health_check['ping_protocol'].upper() + path = "" + + if protocol in ['HTTP', 'HTTPS'] and 'ping_path' in self.health_check: + path = self.health_check['ping_path'] + + return "%s:%s%s" % (protocol, self.health_check['ping_port'], path) + def main(): module = AnsibleModule( @@ -378,6 +457,7 @@ def main(): zones={'default': None, 'required': False, 'type': 'list'}, purge_zones={'default': False, 'required': False, 'choices': BOOLEANS, 'type': 'bool'}, + health_check={'default': None, 'required': False, 'type': 'dict'}, aws_secret_key={'default': None, 'aliases': ['ec2_secret_key', 'secret_key'], 'no_log': True}, @@ -398,6 +478,7 @@ def main(): purge_listeners = module.params['purge_listeners'] zones = module.params['zones'] purge_zones = module.params['purge_zones'] + health_check = module.params['health_check'] if state == 'present' and not listeners: module.fail_json(msg="At least one port is required for ELB creation") @@ -427,8 +508,8 @@ def main(): module.fail_json(msg=str("Either region or EC2_REGION environment variable must be set.")) elb_man = ElbManager(module, name, listeners, purge_listeners, zones, - purge_zones, aws_access_key, aws_secret_key, - region=region) + purge_zones, health_check, aws_access_key, + aws_secret_key, region=region) if state == 'present': elb_man.ensure_ok()