lambda-layer-headless-chromium

AWS Lambda Layer for headless chromium with Noto CJK TC font support.

build the layer zip

• Make sure your local environment has installed docker and the docker daemon is running otherwise you may encounter Is docker running? error(see #4)

$ make build

this will create layer.zip in your current directory

edit Makefile

Name	Description	required to update
LAYER_NAME	Layer Name
LAYER_DESC	Layer Description
S3BUCKET	Your S3 bucket to store the intermediate Lambda bundle zip. Make sure the S3 bucket in the same region with your Lambda function to deploy.	YES
LAMBDA_REGION	The region code to deploy your Lambda function
LAMBDA_FUNC_NAME	Lambda function name
LAMBDA_FUNC_DESC	Lambda function description
LAMBDA_ROLE_ARN	Lambda IAM role ARN	YES

upload and publish your layer

$ make layer-upload layer-publish

create your main handler

edit main.sh or check sampe here

create your lambda function bundle with the layer

LAMBDA_LAYERS="AWS_CLI_LAYER_ARN YOUR_LAMBDA_LAYER_ARN" make ceate-func

e.g.

LAMBDA_LAYERS="arn:aws:lambda:ap-northeast-1:903779448426:layer:awscli-layer:15 \
arn:aws:lambda:ap-northeast-1:903779448426:layer:headless-chromium-layer:4" \
make create-func

response

{
    "Layers": [
        {
            "CodeSize": 11339318,
            "Arn": "arn:aws:lambda:ap-northeast-1:903779448426:layer:awscli-layer:15"
        },
        {
            "CodeSize": 87662979,
            "Arn": "arn:aws:lambda:ap-northeast-1:903779448426:layer:headless-chromium-layer:4"
        }
    ],
    "FunctionName": "headless-chromium-layer-test-func2",
    "LastModified": "2019-01-07T12:43:27.880+0000",
    "RevisionId": "61b4164e-9bde-4c79-995e-f5baf9006279",
    "MemorySize": 1536,
    "Version": "$LATEST",
    "Role": "arn:aws:iam::903779448426:role/service-role/LambdaDefaultRole",
    "Timeout": 30,
    "Runtime": "provided",
    "TracingConfig": {
        "Mode": "PassThrough"
    },
    "CodeSha256": "TCPPMfDY3QSc6Nn0f57eTgYHRpFBA/MFatamwAbG5dQ=",
    "Description": "headless-chromium-layer-test-func",
    "CodeSize": 1243,
    "FunctionArn": "arn:aws:lambda:ap-northeast-1:903779448426:function:headless-chromium-layer-test-func2",
    "Handler": "main"
}

(please note: you need 2 layers for this function. The 1st one is awscli layer and the 2nd one is the headless chromium layer you just created and published previously.)

test and validation

$ make invoke

response:

R:nss_util.cc(83)] Failed to create /opt/headless-chromium/.pki/nssdb directory.
[0107/124743.090256:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.comodoca.com
[0107/124743.090290:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.comodoca.com
[0107/124743.090319:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: crl.comodoca.com
[0107/124743.091068:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.comodoca.com
[0107/124743.091094:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.comodoca.com
[0107/124743.091118:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: crl.comodoca.com
[0107/124743.091715:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.usertrust.com
[0107/124743.091740:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: ocsp.usertrust.com
[0107/124743.091765:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: crl.usertrust.com
[0107/124747.324690:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootOcsp.twca.com.tw
[0107/124747.324798:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootOcsp.twca.com.tw
[0107/124747.324834:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootCA.twca.com.tw
[0107/124747.325936:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootOcsp.twca.com.tw
[0107/124747.325954:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootOcsp.twca.com.tw
[0107/124747.325969:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootCA.twca.com.tw
[0107/124747.338978:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: rootocsp.twca.com.tw
[0107/124747.339006:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: rootocsp.twca.com.tw
[0107/124747.339031:ERROR:nss_ocsp.cc(582)] No URLRequestContext for NSS HTTP handler. host: RootCA.twca.com.tw
[0107/124749.181886:INFO:headless_shell.cc(538)] Written to file /tmp/screenshot.png.
=========[RESPONSE]=======
upload: ../../tmp/screenshot.png to s3://pahud-tmp-nrt/screenshot.png
https://pahud-tmp-nrt.s3.amazonaws.com/screenshot.png?AWSAccessKeyId=ASIA5E3LT6ZVFH5EFEPU&Expires=1546865570&x-amz-security-token=FQoGZXIvYXdzEAYaDM7Jq2cv%2FR%2FyXiAL5SL7AST7jNh%2F%2BxWFEv69frcV8bJxDhApmWphX6rb6NHp0bRextPJKx%2BUZ7tYveDC2xHdsooNIQgnSD%2BnEWPD6PADgQP6MsvEsYuYqWfHv6D5fr4fajIWkxZgOPDzxDud7GO%2BzOKpEZjpGbP5bAbeclHf2WMCgM%2BWQgF8GEEUAoNDuKTRrx6Kyf78jGtGw0%2BizdLfd3SjIU8jDFO2e6%2B28uPglMOE8CajpxkBhf3jjOsqoacAplYCySnHOk%2FEtvGCsmmQbEOlUmIRDJjK%2B8fTSuQrNj0IjoJ2qQakGhSc5DulvJ9jn35k6qxxdwqFFBiBGwVE2NjIXbaI%2FRQErf84KJmKzeEF&Signature=BlNJlGdAcgnyLjtwjsfPuR1aTLk%3D
=========[/RESPONSE]=======
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  1313  100    16  100  1297   3275   259k --:--:-- --:--:-- --:--:--  316k
{"status":"OK"}
END RequestId: 6b554111-127a-11e9-b3d3-0317b2c3587b
REPORT RequestId: 6b554111-127a-11e9-b3d3-0317b2c3587b  Init Duration: 44.76 ms Duration: 9125.78 ms    Billed Duration: 9200 ms        Memory Size: 1536 MB    Max Memory Used: 389 MB

You will get a presigned URL of the screenshot in the RESPONSE like this:

SC JP and KR support