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Option to cloud-init template and TF to modify ulimit for file process #47

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Option to cloud-init template and TF to modify ulimit for file process #47

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3 changes: 2 additions & 1 deletion modules/cloud-init/worker.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@ write_files:
TimeoutStartSec=5m
TimeoutStopSec=1h
KillMode=process
%{ if limitNOFILE != "" }LimitNOFILE=${limitNOFILE}%{ else }LimitNOFILE=4096:8192%{ endif }


Environment="CONCOURSE_TEAM=${worker_team}"
Environment="CONCOURSE_BIND_IP=0.0.0.0"
Expand Down Expand Up @@ -108,4 +110,3 @@ runcmd:
- |
/usr/local/scripts/cloudformation-signal.sh
/opt/aws/bin/cfn-signal -e $? --stack ${stack_name} --resource AutoScalingGroup --region ${region}

2 changes: 1 addition & 1 deletion modules/worker/main.tf
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Expand Up @@ -72,6 +72,7 @@ locals {
worker_key = file("${var.concourse_keys}/worker_key")
pub_worker_key = file("${var.concourse_keys}/worker_key.pub")
pub_tsa_host_key = file("${var.concourse_keys}/tsa_host_key.pub")
limitNOFILE = var.ulimit_no_file
lifecycle_topic = aws_sns_topic.worker.arn
lifecycled_log_group_name = aws_cloudwatch_log_group.worker_lifecycled.name
})
Expand Down Expand Up @@ -217,4 +218,3 @@ data "aws_iam_policy_document" "asg_permissions" {
]
}
}

7 changes: 6 additions & 1 deletion modules/worker/variables.tf
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Expand Up @@ -83,6 +83,12 @@ variable "worker_team" {
default = ""
}

variable "ulimit_no_file" {
description = "Number of File Descriptors (default is 4096:8192, softlimit:hardlimit)"
type = string
default = "4096:8192"
}

variable "log_level" {
description = "Minimum level of logs to see (options: debug|info|error|fatal)."
type = string
Expand All @@ -94,4 +100,3 @@ variable "tags" {
type = map(string)
default = {}
}