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|
tosca_definitions_version: tosca_simple_yaml_1_0
description: >
Template for deploying servers based on policies.
imports:
- custom_definitions.yaml
topology_template:
node_templates:
my_server_1:
type: tosca.nodes.Compute
capabilities:
# Host container properties
host:
properties:
num_cpus: 2
disk_size: 10 GB
mem_size: 512 MB
# Guest Operating System properties
os:
properties:
# host Operating System image properties
architecture: x86_64
type: Linux
distribution: RHEL
version: 6.5
my_server_2:
type: tosca.nodes.Compute
capabilities:
host:
properties:
disk_size: 10 GB
num_cpus: 2
mem_size: 4096 MB
os:
properties:
architecture: x86_64
type: Linux
distribution: Ubuntu
version: 14.04
groups:
webserver_group:
members: [ my_server_1, my_server_2 ]
type: tosca.groups.Root
metadata: { user1: 1008, user2: 1002 }
policies:
- my_compute_placement_policy:
type: tosca.policies.Placement
description: Apply placement policy to servers
metadata: { user1: 1001, user2: 1002 }
targets: [ my_server_1, my_server_2 ]
triggers:
resize_compute:
description: trigger
event_type: tosca.events.resource.utilization
schedule:
start_time: "2015-05-07T07:00:00Z"
end_time: "2015-06-07T07:00:00Z"
target_filter:
node: master-container
requirement: host
capability: Container
condition:
constraint: { greater_than: 50 }
granularity: 60
evaluations: 1
aggregation_method: mean
resource_type: instance
action:
resize: # Operation name
inputs:
strategy: LEAST_USED
implementation: Senlin.webhook()
high_cpu_usage:
description: trigger
metric: cpu_util
condition:
constraint: utilization greater_than 60%
threshold: 60
granularity: 600
evaluations: 1
aggregation_method: mean
resource_type: instance
comparison_operator: gt
metadata: SG1
action: [SP1]
low_cpu_usage:
description: trigger
metric: cpu_util
condition:
constraint: utilization less_than 20%
threshold: 20
granularity: 600
evaluations: 1
aggregation_method: mean
resource_type: instance
comparison_operator: gt
metadata: SG1
action: [SP1]
- my_groups_placement:
type: mycompany.mytypes.myScalingPolicy
targets: [ webserver_group ]
description: my company scaling policy
metadata:
user1: 1001
user2: 1003
|
