def register(self, initial_status="STARTING"):
data_center_info = {
'@class':'com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo',
'name': self.data_center
}
if self.data_center == "Amazon":
data_center_info['metadata'] = {
'ami-launch-index': ec2metadata.get('ami-launch-index'),
'local-hostname': ec2metadata.get('local-hostname'),
'availability-zone': ec2metadata.get('availability-zone'),
'instance-id': ec2metadata.get('instance-id'),
'public-ipv4': ec2metadata.get('public-ipv4'),
'public-hostname': ec2metadata.get('public-hostname'),
'ami-manifest-path': ec2metadata.get('ami-manifest-path'),
'local-ipv4': ec2metadata.get('local-ipv4'),
'ami-id': ec2metadata.get('ami-id'),
'instance-type': ec2metadata.get('instance-type'),
}
instance_data = {
"instance": {
"hostName": self.host_name,
"app": self.app_name,
"vipAddr": self.vip_address or "",
"secureVipAddr": self.secure_vip_address or "",
"status": initial_status,
"port": {"$": self.port, "@enabled": "true"},
"securePort": {"$": self.secure_port, "@enabled": "true"},
"dataCenterInfo": data_center_info,
"healthCheckUrl": self.health_check_url or ""
}
}
success = False
last_e = None
temp= json.dumps(instance_data)
print temp
for eureka_url in self.eureka_urls:
try:
r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), temp,
headers={'Content-Type': 'application/json'})
print"request"
print r
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
print e
if not success:
raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(e))
def register(self, initial_status="STARTING"):
data_center_info = {
'@class': 'com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo',
'name': self.data_center
}
if self.data_center == "Amazon":
data_center_info['metadata'] = {
'ami-launch-index': ec2metadata.get('ami-launch-index'),
'local-hostname': ec2metadata.get('local-hostname'),
'availability-zone': ec2metadata.get('availability-zone'),
'instance-id': ec2metadata.get('instance-id'),
'public-ipv4': ec2metadata.get('public-ipv4'),
'public-hostname': ec2metadata.get('public-hostname'),
'ami-manifest-path': ec2metadata.get('ami-manifest-path'),
'local-ipv4': ec2metadata.get('local-ipv4'),
'ami-id': ec2metadata.get('ami-id'),
'instance-type': ec2metadata.get('instance-type'),
}
instance_data = {
'instance': {
'hostName': self.host_name,
'app': self.app_name,
'ipAddr': self.ip_addr,
'vipAddr': self.vip_address or '',
'secureVipAddr': self.secure_vip_address or '',
'status': initial_status,
'port': {'$': self.port, '@enabled': 'true'},
'securePort': {'$': self.secure_port, '@enabled': 'false'},
'dataCenterInfo': data_center_info,
'healthCheckUrl': self.health_check_url or '',
'instanceId': self.get_instance_id(),
'homePageUrl': self.home_page_url,
'vipAddress': self.host_name,
'secureVipAddress': self.host_name
}
}
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), json.dumps(instance_data),
headers={'Content-Type': 'application/json'})
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(last_e))
def register(self, initial_status="STARTING"):
data_center_info = {
'name': self.data_center,
'@class': 'com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo'
}
if self.data_center == "Amazon":
data_center_info['metadata'] = {
'ami-launch-index': ec2metadata.get('ami-launch-index'),
'local-hostname': ec2metadata.get('local-hostname'),
'availability-zone': ec2metadata.get('availability-zone'),
'instance-id': ec2metadata.get('instance-id'),
'public-ipv4': ec2metadata.get('public-ipv4'),
'public-hostname': ec2metadata.get('public-hostname'),
'ami-manifest-path': ec2metadata.get('ami-manifest-path'),
'local-ipv4': ec2metadata.get('local-ipv4'),
'ami-id': ec2metadata.get('ami-id'),
'instance-type': ec2metadata.get('instance-type'),
}
instance_data = {
'instance': {
'instanceId': self.host_name + ":" + self.app_name + ":" + str(self.port),
'hostName': self.host_name,
'app': self.app_name,
'ipAddr': self.ip_address,
'status': initial_status,
'port': self.composed_port,
'securePort': self.composed_secure_port,
'dataCenterInfo': data_center_info,
"leaseInfo": self.lease_info,
"homePageUrl": "http://" + self.host_name + ":" + str(self.port) + "/",
"statusPageUrl": "http://" + self.host_name + ":" + str(self.port) + "/info",
"healthCheckUrl": "http://" + self.host_name + ":" + str(self.port) + "/health",
'vipAddress': self.vip_address or '',
'secureVipAddress': self.secure_vip_address or ''
}
}
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), json.dumps(instance_data),
headers={'Content-Type': 'application/json'})
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(e))
def register(self, initial_status="STARTING"):
data_center_info = {
'@class': 'com.netflix.appinfo.MyDataCenterInfo',
'name': self.data_center
}
if self.data_center == "Amazon":
data_center_info['metadata'] = {
'ami-launch-index': ec2metadata.get('ami-launch-index'),
'local-hostname': ec2metadata.get('local-hostname'),
'availability-zone': ec2metadata.get('availability-zone'),
'instance-id': ec2metadata.get('instance-id'),
'public-ipv4': ec2metadata.get('public-ipv4'),
'public-hostname': ec2metadata.get('public-hostname'),
'ami-manifest-path': ec2metadata.get('ami-manifest-path'),
'local-ipv4': ec2metadata.get('local-ipv4'),
'ami-id': ec2metadata.get('ami-id'),
'instance-type': ec2metadata.get('instance-type'),
}
instance_data = {
'instance': {
'instanceId' : self.get_instance_id(),
'hostName': self.host_name,
'app': self.app_name,
'vipAddress': self.vip_address or '',
'secureVipAddress': self.secure_vip_address or '',
'status': initial_status,
'ipAddr' : self.ip_address,
'port': {'$': self.port, '@enabled': self.port is not None},
'securePort': {'$': self.secure_port, '@enabled': self.secure_port is not None},
'dataCenterInfo': data_center_info,
'healthCheckUrl': self.health_check_url,
'statusPageUrl' : self.status_page_url
}
}
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
print (instance_data)
r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), json.dumps(instance_data),
headers={'Content-Type': 'application/json'})
r.raise_for_status()
success = True
break
except (requests.exceptions.HTTPError, URLError) as e:
last_e = e
if not success:
raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(last_e))
def __init__(self, app_name, eureka_url=None, eureka_domain_name=None, host_name=None, data_center="Amazon",
vip_address=None, secure_vip_address=None, port=None, secure_port=None, use_dns=True, region=None,
prefer_same_zone=True, context="eureka/v2", eureka_port=None,
health_check_url=None, status_page_url=None, ip_address=None):
super(EurekaClient, self).__init__()
self.app_name = app_name.upper()
self.eureka_url = eureka_url
self.data_center = data_center
if not host_name and data_center == "Amazon":
self.host_name = ec2metadata.get("public-hostname")
else:
self.host_name = host_name
# Virtual host name by which the clients identifies this service
self.vip_address = vip_address
self.secure_vip_address = secure_vip_address
self.ip_address = ip_address
self.port = port
self.secure_port = secure_port
self.use_dns = use_dns
# Region where eureka is deployed - For AWS specify one of the AWS regions, for other datacenters specify a
# arbitrary string indicating the region.
self.region = region
# Prefer a eureka server in same zone or not
self.prefer_same_zone = prefer_same_zone
# Domain name, if using DNS
self.eureka_domain_name = eureka_domain_name
#if eureka runs on a port that is not 80, this will go into the urls to eureka
self.eureka_port = eureka_port
# Relative URL to eureka
self.context = context
self.health_check_url = health_check_url
self.status_page_url = status_page_url
self.eureka_urls = self.get_eureka_urls()
def __init__(self, app_name, eureka_url=None, eureka_domain_name=None, host_name=None, data_center="Amazon",
vip_address=None, secure_vip_address=None, port=None, secure_port=None, use_dns=True, region=None,
prefer_same_zone=True, context="eureka/v2", eureka_port=None,
health_check_url=None):
super(EurekaClient, self).__init__()
self.app_name = app_name
self.eureka_url = eureka_url
self.data_center = data_center
if not host_name and data_center == "Amazon":
self.host_name = ec2metadata.get("public-hostname")
else:
self.host_name = host_name
# Virtual host name by which the clients identifies this service
self.vip_address = vip_address
self.secure_vip_address = secure_vip_address
self.port = port
self.secure_port = secure_port
self.use_dns = use_dns
# Region where eureka is deployed - For AWS specify one of the AWS regions, for other datacenters specify a
# arbitrary string indicating the region.
self.region = region
# Prefer a eureka server in same zone or not
self.prefer_same_zone = prefer_same_zone
# Domain name, if using DNS
self.eureka_domain_name = eureka_domain_name
#if eureka runs on a port that is not 80, this will go into the urls to eureka
self.eureka_port = eureka_port
# Relative URL to eureka
self.context = context
self.health_check_url = health_check_url
self.eureka_urls = self.get_eureka_urls()
def register(self, initial_status="STARTING"):
data_center_info = {
'name': self.data_center
}
if self.data_center == "Amazon":
data_center_info['metadata'] = {
'ami-launch-index': ec2metadata.get('ami-launch-index'),
'local-hostname': ec2metadata.get('local-hostname'),
'availability-zone': ec2metadata.get('availability-zone'),
'instance-id': ec2metadata.get('instance-id'),
'public-ipv4': ec2metadata.get('public-ipv4'),
'public-hostname': ec2metadata.get('public-hostname'),
'ami-manifest-path': ec2metadata.get('ami-manifest-path'),
'local-ipv4': ec2metadata.get('local-ipv4'),
'ami-id': ec2metadata.get('ami-id'),
'instance-type': ec2metadata.get('instance-type'),
}
instance_data = {
'instance': {
'hostName': self.host_name,
'app': self.app_name,
'vipAddr': self.vip_address or '',
'secureVipAddr': self.secure_vip_address or '',
'status': initial_status,
'port': self.port,
'dataCenterInfo': data_center_info,
'healthCheckUrl': self.health_check_url or ''
}
}
if self.secure_port: # or Eureka POST call crashes if no secure port
instance_data['instance']['securePort'] = self.secure_port
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r = requests.post(urljoin(eureka_url, "apps/%s" % self.app_name), json.dumps(instance_data),
headers={'Content-Type': 'application/json'})
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaRegistrationFailedException("Did not receive correct reply from any instances, last error: " + str(e))
def heartbeat(self):
instance_id = self.host_name
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
success = False
for eureka_url in self.eureka_urls:
try:
r = requests.put(urljoin(eureka_url, "apps/%s/%s" % (self.app_name, instance_id)))
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
pass
if not success:
raise EurekaHeartbeatFailedException("Did not receive correct reply from any instances")
def heartbeat(self):
instance_id = self.host_name
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
success = False
for eureka_url in self.eureka_urls:
try:
r = requests.put(urljoin(eureka_url, "apps/%s/%s" % (self.app_name, instance_id)))
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
pass
if not success:
raise EurekaHeartbeatFailedException("Did not receive correct reply from any instances")
def delete(self):
instance_id = self.host_name
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r=requests.delete(urljoin(eureka_url, "apps/%s/%s/" % (
self.app_name,
instance_id)), "", "")
print r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaUpdateFailedException("Did not receive correct reply from any instances, last error: " + str(e))
def update_status(self, new_status):
instance_id = self.host_name
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r = requests.put(urljoin(eureka_url, "apps/%s/%s/status?value=%s" % (
self.app_name,
instance_id,
new_status
)))
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaUpdateFailedException("Did not receive correct reply from any instances, last error: " + str(e))
def update_status(self, new_status):
instance_id = self.host_name + ":" + self.app_name + ":" + str(
self.port)
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
success = False
last_e = None
for eureka_url in self.eureka_urls:
try:
r = requests.put(
urljoin(
eureka_url, "apps/%s/%s/status?value=%s" %
(self.app_name, instance_id, new_status)))
r.raise_for_status()
success = True
break
except (EurekaHTTPException, URLError) as e:
last_e = e
if not success:
raise EurekaUpdateFailedException(
"Did not receive correct reply from any instances, last error: "
+ str(e))
def get_instance_id(self):
instance_id = "%s:%s:%d" % (self.host_name, self.app_name, self.port)
if self.data_center == "Amazon":
instance_id = ec2metadata.get('instance-id')
return instance_id
def get_instance_zone(self):
if self.data_center == "Amazon":
return ec2metadata.get('availability-zone')
else:
raise NotImplementedError("%s does not implement DNS lookups" % self.data_center)
def __init__(self,
app_name,
ip_address=None,
eureka_url=None,
eureka_domain_name=None,
host_name=None,
data_center="Amazon",
vip_address=None,
secure_vip_address=None,
port=None,
secure_port=None,
use_dns=True,
region=None,
prefer_same_zone=True,
context="eureka/v2",
eureka_port=None,
health_check_url=None):
super(EurekaClient, self).__init__()
self.app_name = app_name
self.ip_address = ip_address
self.eureka_url = eureka_url
self.data_center = data_center
if not host_name and data_center == "Amazon":
self.host_name = ec2metadata.get("public-hostname")
else:
self.host_name = host_name
# Virtual host name by which the clients identifies this service
self.vip_address = vip_address
self.secure_vip_address = secure_vip_address
self.port = port
if (port != None):
self.composed_port = {"$": port, "@enabled": True}
else:
self.composed_port = {"$": 80, "@enabled": False}
self.secure_port = secure_port
if (secure_port != None):
self.composed_secure_port = {"$": secure_port, "@enabled": True}
else:
self.composed_secure_port = {"$": 443, "@enabled": False}
self.use_dns = use_dns
# Region where eureka is deployed - For AWS specify one of the AWS regions, for other datacenters specify a
# arbitrary string indicating the region.
self.region = region
# Prefer a eureka server in same zone or not
self.prefer_same_zone = prefer_same_zone
# Domain name, if using DNS
self.eureka_domain_name = eureka_domain_name
#if eureka runs on a port that is not 80, this will go into the urls to eureka
self.eureka_port = eureka_port
# Relative URL to eureka
self.context = context
self.health_check_url = health_check_url
self.eureka_urls = self.get_eureka_urls()
self.lease_info = {
"renewalIntervalInSecs": 5,
"durationInSecs": 10,
"registrationTimestamp": 0,
"lastRenewalTimestamp": 0,
"evictionTimestamp": 0,
"serviceUpTimestamp": 0
}
def get_instance_zone(self):
if self.data_center == "Amazon":
return ec2metadata.get('availability-zone')
else:
raise NotImplementedError("%s does not implement DNS lookups" %
self.data_center)
def __init__(self, app_name, ip_address=None, eureka_url=None, eureka_domain_name=None, host_name=None, data_center="Amazon",
vip_address=None, secure_vip_address=None, port=None, secure_port=None, use_dns=True, region=None,
prefer_same_zone=True, context="eureka/v2", eureka_port=None,
health_check_url=None):
super(EurekaClient, self).__init__()
self.app_name = app_name
self.ip_address = ip_address
self.eureka_url = eureka_url
self.data_center = data_center
if not host_name and data_center == "Amazon":
self.host_name = ec2metadata.get("public-hostname")
else:
self.host_name = host_name
# Virtual host name by which the clients identifies this service
self.vip_address = vip_address
self.secure_vip_address = secure_vip_address
self.port = port
if (port != None):
self.composed_port = {
"$": port,
"@enabled": True
}
else:
self.composed_port = {
"$": 80,
"@enabled": False
}
self.secure_port = secure_port
if (secure_port != None):
self.composed_secure_port = {
"$": secure_port,
"@enabled": True
}
else:
self.composed_secure_port = {
"$": 443,
"@enabled": False
}
self.use_dns = use_dns
# Region where eureka is deployed - For AWS specify one of the AWS regions, for other datacenters specify a
# arbitrary string indicating the region.
self.region = region
# Prefer a eureka server in same zone or not
self.prefer_same_zone = prefer_same_zone
# Domain name, if using DNS
self.eureka_domain_name = eureka_domain_name
#if eureka runs on a port that is not 80, this will go into the urls to eureka
self.eureka_port = eureka_port
# Relative URL to eureka
self.context = context
self.health_check_url = health_check_url
self.eureka_urls = self.get_eureka_urls()
self.lease_info = {
"renewalIntervalInSecs": 5,
"durationInSecs": 10,
"registrationTimestamp": 0,
"lastRenewalTimestamp": 0,
"evictionTimestamp": 0,
"serviceUpTimestamp": 0
}
def get_instance_id(self):
if self.data_center == "Amazon":
return ec2metadata.get('instance-id')
else:
return ('%s:%s:%d' % (self.host_name, self.app_name, self.port))
