ืืขืจ ืคึผืึธืกืื ืืืฉืจืืืื ืกืืขืคึผืก ืฆื ืึธืืึทืืืื ืื ืคืึทืจืืืึทืืืื ื ืคืื SSL ืกืขืจืืืคืืงืึทืฅ ืคึฟืื ื ืืฆื ะธ ืึทืืืก.
ืืื ืึท ืืขืฆืืึทื ืืืึธืก ืืืขื ืืึธืื ืืื ืื ืฆื ืื ืกืืจืืืขื ื ืืขื ืฉืืจืื. ืขืก ืงืขื ืขื ืึทืจืืขืื ืืื SSL ืกืขืจืืืคืืงืึทืฅ ืคึฟืื Let's Encrypt, ืฉืคึผืึธืจื ืืื ืืื Amazon Certificate Manager, ื ืืฆื ืื Route53 API ืฆื ืื ืกืืจืืืขื ื ืื DNS-01 ืึทืจืืืกืจืืคื, ืืื ืืขืกืึธืฃ ืฉืืืคึผื ื ืึธืืืึทืคืึทืงืืืฉืึทื ื ืฆื SNS. ืืื acme-dns-route53 ืขืก ืืื ืืืื ืึท ืืขืืืื-ืืื ืคืึทื ืืงืฉืึทื ืึทืืืื ืคึฟืึทืจ ื ืืฆื ืืื AWS Lambda, ืืื ืืึธืก ืืื ืืืึธืก ืืืจ ืืึทืจืคึฟื.
ืืขืจ ืึทืจืืืงื ืืื ืฆืขืืืืื ืืื 4 ืกืขืงืฉืึทื ื:
- ืงืจืืืืืื ื ืึท ืคืึทืจืฉืืขืกืืขื ืืขืงืข;
- ืงืจืืืืืื ื ืึทื IAM ืจืึธืืข;
- ืงืจืืืืืื ื ืึท ืืึทืืืืึท ืคึฟืื ืงืฆืืข ืืืึธืก ืืืืคื acme-dns-route53;
- ืงืจืืืืืื ื ืึท ืงืืึธืืืืืึทืืืฉ ืืืึทืืขืจ ืืืึธืก ืืจืืืขืจื ืึท ืคึฟืื ืงืฆืืข 2 ืืื ืคึผืขืจ ืืึธื;
ื ืืืืฅ: ืืืืืขืจ ืืืจ ืึธื ืืืืื ืืืจ ืืึทืจืคึฟื ืฆื ืื ืกืืึทืืืจื ะธ
ืฉืึทืคึฟื ืึท ืคืึทืจืฉืืขืกืืขื ืืขืงืข
acme-dns-route53 ืืื ืืขืฉืจืืื ืืื GoLang ืืื ืฉืืืฆื ืืืขืจืกืืข ื ืื ื ืืืขืจืืงืขืจ ืืื 1.9.
ืืืจ ืืึทืจืคึฟื ืฆื ืฉืึทืคึฟื ืึท ืคืึทืจืฉืืขืกืืขื ืืขืงืข ืืื ืึท ืืืื ืขืจื acme-dns-route53 ืืื ืขืืืืื ืืง. ืฆื ืืึธื ืืึธืก, ืืืจ ืืึทืจืคึฟื ืฆื ืื ืกืืึทืืืจื acme-dns-route53 ืคึฟืื GitHub ืจืืคึผืึทืืึทืืึธืจื ื ืืฆื ืื ืืึทืคึฟืขื go install:
$ env GOOS=linux GOARCH=amd64 go install github.com/begmaroman/acme-dns-route53ืื ืืืื ืขืจื ืืื ืืื ืกืืึทืืืจื ืืื $GOPATH/bin ืืืขืืืืืึทืืขืจ. ืืืืข ืืึธื ืึทื ืืขืฉืึทืก ืืึทื ืืึธื ืืืจืื ื ืืืจ ืกืคึผืขืกืืคืืขื ืฆืืืื ืืขืืืื ืื ืืืืืจืึทื ืืึทื ืฅ: GOOS=linux ะธ GOARCH=amd64. ืืื ืืึทืื ืขืก ืงืืึธืจ ืฆื ืื Go ืงืึทืืคึผืืืืขืจ ืึทื ืขืก ืืึทืจืฃ ืฆื ืฉืึทืคึฟื ืึท ืืืื ืขืจื ืคึผืึทืกืืง ืคึฟืึทืจ ืืื ืืงืก ืึทืก ืืื ืึทืื64 ืึทืจืงืึทืืขืงืืฉืขืจ - ืืึธืก ืืื ืืืึธืก ืืืืคื ืืืืฃ AWS.
AWS ืืงืกืคึผืขืงืฅ ืึทื ืืื ืืืขืจ ืคึผืจืึธืืจืึทื ืืืขื ืืืื ืืืคึผืืืื ืืื ืึท ืคืึทืจืฉืืขืกืืขื ืืขืงืข, ืึทืืื ืืึธืื ืืื ืื ืฉืึทืคึฟื acme-dns-route53.zip ืึทืจืงืืืื ืืืึธืก ืืืขื ืึทื ืืืึทืืื ืื ื ืื ืืื ืกืืึทืืืจื ืืืื ืขืจื:
$ zip -j ~/acme-dns-route53.zip $GOPATH/bin/acme-dns-route53ื ืืืืฅ: ืื ืืืื ืขืจื ืืึธื ืืืื ืืื ืื ืืืึธืจืฆื ืคืื ืื ืคืึทืจืฉืืขืกืืขื ืึทืจืงืืืื. ืคึฟืึทืจ ืืขื ืืืจ ื ืืฆื -j ืคืึธื.
ืืืฆื ืืื ืืืขืจ ืคืึทืจืฉืืขืกืืขื ื ืืงืงื ืึทืืข ืืื ืืจืืื ืคึฟืึทืจ ืืืคึผืืืืืึทื ื, ืึทืืข ืืืึธืก ืืืืืื ืืื ืฆื ืฉืึทืคึฟื ืึท ืจืึธืืข ืืื ืื ื ืืืืืง ืจืขืื.
ืฉืึทืคึฟื ืึทื IAM ืจืึธืืข
ืืืจ ืืึทืจืคึฟื ืฆื ืฉืืขืื ืึทื IAM ืจืึธืืข ืืื ืื ืจืขืื ืคืืจืืื ืื ืืืจื ืืื ืืืขืจ ืืึทืืืืึท ืืขืฉืึทืก ืืืึทื ืืืจืืคืืจืื ื.
ืืึธืืืจ ืจืืคื ืืขื ืคึผืึธืืืืืง lambda-acme-dns-route53-executor ืืื ืืื ืืขืื ืืืจ ืึท ืืจืื ื ืจืึธืืข AWSLambdaBasicExecutionRole. ืืึธืก ืืืขื ืืึธืื ืืื ืืืขืจ ืืึทืืืืึท ืืืืคื ืืื ืฉืจืืึทืื ืืึธืืก ืฆื ืื AWS CloudWatch ืืื ืกื.
ืขืจืฉืืขืจ, ืืืจ ืืึทืื ืึท JSON ืืขืงืข ืืืึธืก ืืืฉืจืืืื ืืื ืืืขืจ ืจืขืื. ืืึธืก ืืืขื ืืืืกืืงืื ืืึธืื ืืึทืืืืึท ืืึทืืื ืื ืืก ืฆื ื ืืฆื ืื ืจืึธืืข lambda-acme-dns-route53-executor:
$ touch ~/lambda-acme-dns-route53-executor-policy.jsonืืขืจ ืืื ืืึทืื ืคืื ืืื ืืืขืจ ืืขืงืข ืืื ืืื ืืืื:
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"logs:CreateLogGroup"
],
"Resource": "arn:aws:logs:<AWS_REGION>:<AWS_ACCOUNT_ID>:*"
},
{
"Effect": "Allow",
"Action": [
"logs:PutLogEvents",
"logs:CreateLogStream"
],
"Resource": "arn:aws:logs:<AWS_REGION>:<AWS_ACCOUNT_ID>:log-group:/aws/lambda/acme-dns-route53:*"
},
{
"Sid": "",
"Effect": "Allow",
"Action": [
"route53:ListHostedZones",
"cloudwatch:PutMetricData",
"acm:ImportCertificate",
"acm:ListCertificates"
],
"Resource": "*"
},
{
"Sid": "",
"Effect": "Allow",
"Action": [
"sns:Publish",
"route53:GetChange",
"route53:ChangeResourceRecordSets",
"acm:ImportCertificate",
"acm:DescribeCertificate"
],
"Resource": [
"arn:aws:sns:${var.region}:<AWS_ACCOUNT_ID>:<TOPIC_NAME>",
"arn:aws:route53:::hostedzone/*",
"arn:aws:route53:::change/*",
"arn:aws:acm:<AWS_REGION>:<AWS_ACCOUNT_ID>:certificate/*"
]
}
]
}ืืืฆื ืืึธืื ืืื ืื ืืืืคื ืื ืืึทืคึฟืขื aws iam create-role ืฆื ืฉืึทืคึฟื ืึท ืจืึธืืข:
$ aws iam create-role --role-name lambda-acme-dns-route53-executor
--assume-role-policy-document ~/lambda-acme-dns-route53-executor-policy.jsonื ืืืืฅ: ืืขืืขื ืงื ืื ืคึผืึธืืืืืง ARN (Amazon Resource Name) - ืืืจ ืืืขืื ืืึทืจืคึฟื ืขืก ืืื ืื ืืืืึทืืขืจ ืกืืขืคึผืก.
ืจืึธืืข lambda-acme-dns-route53-executor ืืืฉืืคื, ืืืฆื ืืืจ ืืึทืจืคึฟื ืฆื ืกืคึผืขืฆืืคืืฆืืจื ืคึผืขืจืืืฉืึทื ื ืคึฟืึทืจ ืขืก. ืื ืืืืึทืกื ืืืขื ืฆื ืืึธื ืืึธืก ืืื ืฆื ื ืืฆื ืื ืืึทืคึฟืขื aws iam attach-role-policy, ืืืื ืคืืจืืื ืคึผืึธืืืืืง ืึทืจื AWSLambdaBasicExecutionRole ืืื ืืืื:
$ aws iam attach-role-policy --role-name lambda-acme-dns-route53-executor
--policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRoleื ืืืืฅ: ืึท ืจืฉืืื ืืื ืื ืืขืจืข ืคึผืึทืืึทืกืื ืงืขื ืขื ืืืื ืืขืคึฟืื ืขื .
ืฉืึทืคึฟื ืึท ืืึทืืืืึท ืคึฟืื ืงืฆืืข ืืืึธืก ืืืืคื acme-dns-route53
ืืืจืื! ืืืฆื ืืืจ ืงืขื ืขื ืฆืขืืืืงืืขื ืืื ืืืขืจ ืคืื ืงืฆืืข ืฆื AWS ืืื ืืขื ืืึทืคึฟืขื aws lambda create-function. ืื ืืึทืืืืึท ืืืื ืืืื ืงืึทื ืคืืืืขืจื ืืื ืื ืคืืืืขื ืืข ืกืืืืืืข ืืืขืจืืึทืืึทืื:
AWS_LAMBDA- ืืืื ืขืก ืงืืึธืจ acme-dns-route53 ืึทื ืืืจืืคืืจืื ื ืึทืงืขืจื ืืื AWS Lambda.DOMAINS- ืึท ืจืฉืืื ืคืื ืืึธืืืืื ื ืืคืืขืฉืืืื ืืืจื ืงืึธืืข.LETSENCRYPT_EMAIL- ืึผืืื .NOTIFICATION_TOPIC- ื ืึธืืขื ืคืื SNS ืึธื ืืึธื ืืขืืข (ืึทืคึผืฉืึทื ืึทื).STAGING- ืืืึท ืื ืืืขืจื1ืกืืึทืืื ื ืกืืืืืืข ืืื ืืขื ืืฆื.1024ืื - ืืืงืึธืจื ืฉืืขืืจ, ืงืขื ืขื ืืืื ืคืืจืขื ืืขืจื.900ืกืขืง (15 ืืื ืื) - ืืืืืึทืื.acme-dns-route53โ ืืขืจ ื ืึธืืขื ืคืื ืืื ืืืขืจ ืืืื ืขืจื, ืืืึธืก ืืื ืืื ืืขื ืึทืจืงืืืื.fileb://~/acme-dns-route53.zipโ ืืขืจ ืืืขื ืฆืื ืืจืืืื ืืืืก ืืืจ ืืืื ืืืฉืืคื.
ืืืฆื ืืึธืื ืืื ืื ืฆืขืืืืงืืขื:
$ aws lambda create-function
--function-name acme-dns-route53
--runtime go1.x
--role arn:aws:iam::<AWS_ACCOUNT_ID>:role/lambda-acme-dns-route53-executor
--environment Variables="{AWS_LAMBDA=1,DOMAINS="example1.com,example2.com",[email protected],STAGING=0,NOTIFICATION_TOPIC=acme-dns-route53-obtained}"
--memory-size 1024
--timeout 900
--handler acme-dns-route53
--zip-file fileb://~/acme-dns-route53.zip
{
"FunctionName": "acme-dns-route53",
"LastModified": "2019-05-03T19:07:09.325+0000",
"RevisionId": "e3fadec9-2180-4bff-bb9a-999b1b71a558",
"MemorySize": 1024,
"Environment": {
"Variables": {
"DOMAINS": "example1.com,example2.com",
"STAGING": "1",
"LETSENCRYPT_EMAIL": "[email protected]",
"NOTIFICATION_TOPIC": "acme-dns-route53-obtained",
"AWS_LAMBDA": "1"
}
},
"Version": "$LATEST",
"Role": "arn:aws:iam::<AWS_ACCOUNT_ID>:role/lambda-acme-dns-route53-executor",
"Timeout": 900,
"Runtime": "go1.x",
"TracingConfig": {
"Mode": "PassThrough"
},
"CodeSha256": "+2KgE5mh5LGaOsni36pdmPP9O35wgZ6TbddspyaIXXw=",
"Description": "",
"CodeSize": 8456317,
"FunctionArn": "arn:aws:lambda:us-east-1:<AWS_ACCOUNT_ID>:function:acme-dns-route53",
"Handler": "acme-dns-route53"
}ืฉืึทืคึฟื ืึท ืงืืึธืืืืืึทืืืฉ ืืืึทืืขืจ ืืืึธืก ืืจืืืขืจื ืึท ืคืื ืงืฆืืข 2 ืืื ืคึผืขืจ ืืึธื
ืื ืืขืฆืืข ืฉืจืื ืืื ืฆื ืฉืืขืื ืึทืจืืืฃ Cron, ืืืึธืก ืจืืคื ืืื ืืืขืจ ืคืื ืงืฆืืข ืฆืืืื ืืึธื ืคึผืขืจ ืืึธื:
- ืฉืึทืคึฟื ืึท CloudWatch ืืขืจืฉื ืืื ืื ืืืขืจื
schedule_expression. - ืฉืึทืคึฟื ืึท ืืขืจืฉื ืฆืื (ืืืึธืก ืืึธื ืืืื ืขืงืกืึทืงืืืืึทื) ืืืจื ืกืคึผืขืฆืืคืืฆืืจื ืื ARN ืคืื ืื ืืึทืืืืึท ืคึฟืื ืงืฆืืข.
- ืืขืื ืืขืจืืืืืขื ืืฉ ืฆื ืื ืืขืจืฉื ืฆื ืจืืคื ืื ืืึทืืืืึท ืคึฟืื ืงืฆืืข.
ืื ืืขืจ ืืื ืืึธืื ืึทืืึทืืฉื ืืืื ืืขืจืจืึทืคืึธืจื ืงืึทื ืคืืืืขืจืืืฉืึทื, ืึธืืขืจ ืืื ืคืึทืงื, ืืึธืก ืืื ืืขืืื ืืืืขืจ ืคืฉืื ืืื ืื AWS ืงืึทื ืกืึธืื ืึธืืขืจ AWS CLI.
# Cloudwatch event rule that runs acme-dns-route53 lambda every 12 hours
resource "aws_cloudwatch_event_rule" "acme_dns_route53_sheduler" {
name = "acme-dns-route53-issuer-scheduler"
schedule_expression = "cron(0 */12 * * ? *)"
}
# Specify the lambda function to run
resource "aws_cloudwatch_event_target" "acme_dns_route53_sheduler_target" {
rule = "${aws_cloudwatch_event_rule.acme_dns_route53_sheduler.name}"
arn = "${aws_lambda_function.acme_dns_route53.arn}"
}
# Give CloudWatch permission to invoke the function
resource "aws_lambda_permission" "permission" {
action = "lambda:InvokeFunction"
function_name = "${aws_lambda_function.acme_dns_route53.function_name}"
principal = "events.amazonaws.com"
source_arn = "${aws_cloudwatch_event_rule.acme_dns_route53_sheduler.arn}"
}ืืืฆื ืืืจ ืืขื ื ืงืึทื ืคืืืืขืจื ืฆื ืืืืืึธืืึทืืืฉ ืฉืึทืคึฟื ืืื ืืขืจืืืึทื ืืืงื ืกืกื ืกืขืจืืืคืืงืึทืฅ
ืืงืืจ: www.habr.com