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{ pkgs, ... }:
let
# See https://docs.aws.amazon.com/sdkref/latest/guide/file-format.html.
iniFormat = pkgs.formats.ini { };
region = "ap-northeast-1";
sharedConfigurationDefaultProfile = "default";
sharedConfigurationFile = iniFormat.generate "config" {
"${sharedConfigurationDefaultProfile}" = {
region = region;
};
};
sharedCredentialsFile = iniFormat.generate "credentials" {
"${sharedConfigurationDefaultProfile}" = {
aws_access_key_id = "placeholder";
aws_secret_access_key = "placeholder";
aws_session_token = "placeholder";
};
};
sharedConfigurationDirectory = pkgs.runCommand ".aws" { } ''
mkdir $out
cp ${sharedConfigurationFile} $out/config
cp ${sharedCredentialsFile} $out/credentials
'';
in
{
name = "amazon-cloudwatch-agent";
nodes.machine =
{ config, pkgs, ... }:
{
services.amazon-cloudwatch-agent = {
enable = true;
commonConfiguration = {
credentials = {
shared_credential_profile = sharedConfigurationDefaultProfile;
shared_credential_file = "${sharedConfigurationDirectory}/credentials";
};
};
configuration = {
agent = {
# Required despite documentation saying the agent ignores it in "onPremise" mode.
region = region;
# Show debug logs and write to a file for interactive debugging.
debug = true;
logfile = "/var/log/amazon-cloudwatch-agent/amazon-cloudwatch-agent.log";
};
logs = {
logs_collected = {
files = {
collect_list = [
{
file_path = "/var/log/amazon-cloudwatch-agent/amazon-cloudwatch-agent.log";
log_group_name = "/var/log/amazon-cloudwatch-agent/amazon-cloudwatch-agent.log";
log_stream_name = "{local_hostname}";
}
];
};
};
};
traces = {
local_mode = true;
traces_collected = {
xray = { };
};
};
};
mode = "onPremise";
};
# Keep the runtime directory for interactive debugging.
systemd.services.amazon-cloudwatch-agent.serviceConfig.RuntimeDirectoryPreserve = true;
};
testScript = ''
start_all()
machine.wait_for_unit("amazon-cloudwatch-agent.service")
machine.wait_for_file("/run/amazon-cloudwatch-agent/amazon-cloudwatch-agent.pid")
machine.wait_for_file("/run/amazon-cloudwatch-agent/amazon-cloudwatch-agent.toml")
# "config-translator" omits this file if no trace configurations are specified.
#
# See https://github.com/aws/amazon-cloudwatch-agent/issues/1320.
machine.wait_for_file("/run/amazon-cloudwatch-agent/amazon-cloudwatch-agent.yaml")
machine.wait_for_file("/run/amazon-cloudwatch-agent/env-config.json")
'';
}
|
