-
Notifications
You must be signed in to change notification settings - Fork 2
/
compute_optimiser.tf
119 lines (100 loc) · 3.67 KB
/
compute_optimiser.tf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
module "lambda_compute_optimiser" {
source = "github.com/claranet/terraform-aws-lambda.git?ref=v1.3.0"
function_name = "compute_optimiser_collector${var.env}"
description = "compute optimiser$ collector"
handler = "main.lambda_handler"
runtime = "python3.6"
timeout = 100
// Specify a file or directory for the source code.
source_path = "${path.module}/source/compute_optimizer"
memory_size = "2000"
// Attach a policy.
policy = { json = data.aws_iam_policy_document.compute_optimiser_policy.json }
// Add environment variables.
environment = {
variables = {
BUCKET_NAME = aws_s3_bucket.s3_bucket.id
REGION = var.region
QUE_URL = aws_sqs_queue.co_account_que.id
}
}
}
data "aws_iam_policy_document" "compute_optimiser_policy" {
statement {
actions = [
"aws-portal:*",
]
resources = [
"*",
]
}
statement {
actions = [
"sts:AssumeRole",
]
resources = [
"*",
]
}
statement {
actions = [
"s3:*",
"sqs:ReceiveMessage",
"sqs:DeleteMessage",
"sqs:GetQueueAttributes",
"compute-optimizer:*",
"EC2:DescribeInstances",
"cloudwatch:GetMetricData",
"autoscaling:DescribeAutoScalingGroups",
"compute-optimizer:UpdateEnrollmentStatus",
"compute-optimizer:GetAutoScalingGroupRecommendations",
"compute-optimizer:GetEC2InstanceRecommendations",
"compute-optimizer:GetEnrollmentStatus",
"compute-optimizer:GetEC2RecommendationProjectedMetrics",
"compute-optimizer:GetRecommendationSummaries",
"organizations:ListAccounts",
"organizations:DescribeOrganization",
"organizations:DescribeAccount",
"lambda:ListFunctions",
"lambda:ListProvisionedConcurrencyConfigs",
"EC2:DescribeVolumes"
]
resources = [
"*",
]
}
}
resource "aws_lambda_permission" "allow_cloudwatch_compute_optimiser" {
statement_id = "AllowExecutionFromCloudWatch"
action = "lambda:InvokeFunction"
function_name = module.lambda_compute_optimiser.function_name
principal = "events.amazonaws.com"
source_arn = aws_cloudwatch_event_rule.compute_optimiser_cloudwatch_rule.arn
depends_on = [module.lambda_compute_optimiser]
}
resource "aws_cloudwatch_event_rule" "compute_optimiser_cloudwatch_rule" {
name = "compute_optimiser_lambda_trigger"
schedule_expression = var.aws_co_cron
}
resource "aws_cloudwatch_event_target" "compute_optimiser_lambda" {
rule = aws_cloudwatch_event_rule.compute_optimiser_cloudwatch_rule.name
target_id = "compute_optimiser_lambda"
arn = module.lambda_compute_optimiser.function_arn
}
resource "aws_cloudwatch_metric_alarm" "compute_optimiser_lambda_function_error_alarm" {
alarm_name = "${module.lambda_compute_optimiser.function_name}_lambda_error_alarm"
comparison_operator = var.cloudwatch_metric_alarm_comparison_operator
evaluation_periods = var.cloudwatch_metric_alarm_evaulation_periods
metric_name = var.cloudwatch_metric_alarm_metric_name
namespace = "AWS/Lambda"
period = var.cloudwatch_metric_alarm_period
statistic = var.cloudwatch_metric_alarm_statistic
threshold = var.cloudwatch_metric_alarm_threshold
alarm_description = "This metric alarm monitors the errors for the ${module.lambda_compute_optimiser.function_name} lambda function"
insufficient_data_actions = []
treat_missing_data = "notBreaching"
dimensions = {
FunctionName = module.lambda_compute_optimiser.function_name
}
#alarm_actions = [module.admin-sns-email-topic.arn]
}