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tom doron
2020-03-25 15:58:57 -07:00
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.dockerignore
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.build
.gitignore
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.DS_Store
/.build
/Packages
/*.xcodeproj
Package.pins
*.pem
/docs
Package.resolved
.podspecs
function.zip
.swiftpm
.mailmap
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Tomer Doron <tomer@apple.com> <tomer@apple.com>
Tomer Doron <tomer@apple.com> <tomerd@apple.com>
Tomer Doron <tomer@apple.com> <tomer.doron@gmail.com>
.swiftformat
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# file options
--swiftversion 5.1
--exclude .build
# format options
--self insert
--patternlet inline
--stripunusedargs unnamed-only
--comments ignore
--ifdef no-indent
# rules
CODE_OF_CONDUCT.md
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# Code of Conduct
To be a truly great community, SwiftAWSLambdaRuntime needs to welcome developers from all walks of life,
with different backgrounds, and with a wide range of experience. A diverse and friendly
community will have more great ideas, more unique perspectives, and produce more great
code. We will work diligently to make the SwiftAWSLambdaRuntime community welcoming to everyone.
To give clarity of what is expected of our members, SwiftAWSLambdaRuntime has adopted the code of conduct
defined by [contributor-covenant.org](https://www.contributor-covenant.org). This document is used across many open source
communities, and we think it articulates our values well. The full text is copied below:
### Contributor Code of Conduct v1.3
As contributors and maintainers of this project, and in the interest of fostering an open and
welcoming community, we pledge to respect all people who contribute through reporting
issues, posting feature requests, updating documentation, submitting pull requests or patches,
and other activities.
We are committed to making participation in this project a harassment-free experience for
everyone, regardless of level of experience, gender, gender identity and expression, sexual
orientation, disability, personal appearance, body size, race, ethnicity, age, religion, or
nationality.
Examples of unacceptable behavior by participants include:
- The use of sexualized language or imagery
- Personal attacks
- Trolling or insulting/derogatory comments
- Public or private harassment
- Publishing other’s private information, such as physical or electronic addresses, without explicit permission
- Other unethical or unprofessional conduct
Project maintainers have the right and responsibility to remove, edit, or reject comments,
commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of
Conduct, or to ban temporarily or permanently any contributor for other behaviors that they
deem inappropriate, threatening, offensive, or harmful.
By adopting this Code of Conduct, project maintainers commit themselves to fairly and
consistently applying these principles to every aspect of managing this project. Project
maintainers who do not follow or enforce the Code of Conduct may be permanently removed
from the project team.
This code of conduct applies both within project spaces and in public spaces when an
individual is representing the project or its community.
Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by
contacting a project maintainer at [swift-server-conduct@group.apple.com](mailto:swift-server-conduct@group.apple.com). All complaints will be reviewed and
investigated and will result in a response that is deemed necessary and appropriate to the
circumstances. Maintainers are obligated to maintain confidentiality with regard to the reporter
of an incident.
*This policy is adapted from the Contributor Code of Conduct [version 1.3.0](https://contributor-covenant.org/version/1/3/0/).*
### Reporting
A working group of community members is committed to promptly addressing any [reported issues](mailto:swift-server-conduct@group.apple.com).
Working group members are volunteers appointed by the project lead, with a
preference for individuals with varied backgrounds and perspectives. Membership is expected
to change regularly, and may grow or shrink.
CONTRIBUTING.md
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## Legal
By submitting a pull request, you represent that you have the right to license
your contribution to Apple and the community, and agree by submitting the patch
that your contributions are licensed under the Apache 2.0 license (see
`LICENSE.txt`).
## How to submit a bug report
Please ensure to specify the following:
* SwiftAWSLambdaRuntime commit hash
* Contextual information (e.g. what you were trying to achieve with SwiftAWSLambdaRuntime)
* Simplest possible steps to reproduce
* More complex the steps are, lower the priority will be.
* A pull request with failing test case is preferred, but it's just fine to paste the test case into the issue description.
* Anything that might be relevant in your opinion, such as:
* Swift version or the output of `swift --version`
* OS version and the output of `uname -a`
* Network configuration
### Example
```
SwiftAWSLambdaRuntime commit hash: 22ec043dc9d24bb011b47ece4f9ee97ee5be2757
Context:
While load testing my Lambda written with SwiftAWSLambdaRuntime, I noticed
that one file descriptor is leaked per request.
Steps to reproduce:
1. ...
2. ...
3. ...
4. ...
$ swift --version
Swift version 4.0.2 (swift-4.0.2-RELEASE)
Target: x86_64-unknown-linux-gnu
Operating system: Ubuntu Linux 16.04 64-bit
$ uname -a
Linux beefy.machine 4.4.0-101-generic #124-Ubuntu SMP Fri Nov 10 18:29:59 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
My system has IPv6 disabled.
```
## Writing a Patch
A good SwiftAWSLambdaRuntime patch is:
1. Concise, and contains as few changes as needed to achieve the end result.
2. Tested, ensuring that any tests provided failed before the patch and pass after it.
3. Documented, adding API documentation as needed to cover new functions and properties.
4. Accompanied by a great commit message, using our commit message template.
### Commit Message Template
We require that your commit messages match our template. The easiest way to do that is to get git to help you by explicitly using the template. To do that, `cd` to the root of our repository and run:
git config commit.template dev/git.commit.template
## How to contribute your work
Please open a pull request at https://github.com/apple/swift-nio. Make sure the CI passes, and then wait for code review.
CONTRIBUTORS.txt
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For the purpose of tracking copyright, this is the list of individuals and
organizations who have contributed source code to SwiftAWSLambdaRuntime.
For employees of an organization/company where the copyright of work done
by employees of that company is held by the company itself, only the company
needs to be listed here.
## COPYRIGHT HOLDERS
- Apple Inc. (all contributors with '@apple.com')
### Contributors
- Tomer Doron <tomer@apple.com>
**Updating this list**
Please do not edit this file manually. It is generated using `./scripts/generate_contributors_list.sh`. If a name is misspelled or appearing multiple times: add an entry in `./.mailmap`
Dockerfile
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FROM fabianfett/amazonlinux-swift:5.2-branch-amazonlinux2
RUN yum -y install \
git \
libuuid-devel \
libicu-devel \
libedit-devel \
libxml2-devel \
sqlite-devel \
python-devel \
ncurses-devel \
curl-devel \
tzdata \
libtool \
libatomic\
gcc-c++ \
jq \
tar \
zip
LICENSE.txt
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Version 2.0, January 2004
http://www.apache.org/licenses/
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Package.swift
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// swift-tools-version:5.2
import PackageDescription
let package = Package(
name: "my-lambda",
platforms: [
.macOS(.v10_13),
],
products: [
.executable(name: "MyLambda", targets: ["MyLambda"]),
],
dependencies: [
.package(url: "git@github.com:swift-server/swift-aws-lambda-runtime.git", .branch("master")),
],
targets: [
// lambda code is abstracted into a library since we cant have a test target depend on an executable
.target(name: "MyLambda", dependencies: [
.product(name: "AWSLambdaRuntime", package: "swift-aws-lambda-runtime"),
]),
]
)
README.md
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# SwiftAWSLambdaRuntimeSample
This repository is a deployable example demonstrating how to package and deploy
a Swift based Lambda to AWS.
Steps to deploy this sample to ASW:
* Login to AWS Console and create an AWS Lambda with the following settings:
* Runtime: Custom runtime
* Handler: Can be any string, does not matter in this case
* Build, package and deploy the Lambda
```
./scripts/deploy.sh
```
This script assumes you have AWS CLI installed and credentials setup in `~/.aws/credentials`
* Test it with the following example payloads:
``
{
"requestId": "1",
"error": "none"
}
``
or
``
{
"requestId": "2",
"error": "managed"
}
``
or
``
{
"requestId": "3",
"error": "boom"
}
``
or
``
{
"requestId": "4",
"error": "fatal"
}
``
Sources/MyLambda/main.swift
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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftAWSLambdaRuntime open source project
//
// Copyright (c) 2017-2018 Apple Inc. and the SwiftAWSLambdaRuntime project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import AWSLambdaRuntime
import NIO
// Lambda.run(StringLambda)
Lambda.run(CodableLambda)
// Lambda.run(APIGatewayProxyLambda())
// Lambda.run(FakeAPIGatewayProxyLambda())
// MARK: - Lambda Samples
func StringLambda(context: Lambda.Context, request: String, callback: (Result<String, Error>) -> Void) {
context.logger.debug("hello, string!")
callback(.success("hello, world!"))
}
func CodableLambda(context: Lambda.Context, request: Request, callback: (Result<Response, Error>) -> Void) {
context.logger.info("hello, json!")
switch request.error {
case .none:
callback(.success(Response(awsRequestId: context.requestId, requestId: request.requestId, status: .ok)))
case .managed:
callback(.success(Response(awsRequestId: context.requestId, requestId: request.requestId, status: .error)))
case .unmanaged(let error):
callback(.failure(UnmanagedError(description: error)))
case .fatal:
fatalError("crash!")
}
}
struct APIGatewayProxyLambda: EventLoopLambdaHandler {
public typealias In = APIGatewayRequest
public typealias Out = APIGatewayResponse
public init() {}
public func handle(context: Lambda.Context, payload: APIGatewayRequest) -> EventLoopFuture<APIGatewayResponse> {
context.logger.debug("hello, api gateway!")
return context.eventLoop.makeSucceededFuture(APIGatewayResponse(statusCode: 200,
headers: nil,
multiValueHeaders: nil,
body: "hello, world!",
isBase64Encoded: false))
}
}
struct FakeAPIGatewayProxyLambda: EventLoopLambdaHandler {
public typealias In = String
public typealias Out = String
public init() {}
public func handle(context: Lambda.Context, payload: String) -> EventLoopFuture<String> {
context.logger.debug("hello, string!")
return context.eventLoop.makeSucceededFuture("{ \"statusCode\": 200, \"body\": \"hello, world!\" }")
}
}
struct Request: Codable {
let requestId: String
let error: Error
public init(requestId: String, error: Error? = nil) {
self.requestId = requestId
self.error = error ?? .none
}
public enum Error: Codable, RawRepresentable {
case none
case managed
case unmanaged(String)
case fatal
public init?(rawValue: String) {
switch rawValue {
case "none":
self = .none
case "managed":
self = .managed
case "fatal":
self = .fatal
default:
self = .unmanaged(rawValue)
}
}
public var rawValue: String {
switch self {
case .none:
return "none"
case .managed:
return "managed"
case .fatal:
return "fatal"
case .unmanaged(let error):
return error
}
}
}
}
struct Response: Codable {
let awsRequestId: String
let requestId: String
let status: Status
public init(awsRequestId: String, requestId: String, status: Status) {
self.awsRequestId = awsRequestId
self.requestId = requestId
self.status = status
}
public enum Status: Int, Codable {
case ok
case error
}
}
struct UnmanagedError: Error {
let description: String
}
struct APIGatewayRequest: Codable {
let resource: String
let path: String
let httpMethod: String?
let headers: [String: String]?
let multiValueHeaders: [String: [String]]?
let queryStringParameters: [String: String]?
let multiValueQueryStringParameters: [String: [String]]?
let pathParameters: [String: String]?
let stageVariables: [String: String]?
let requestContext: Context?
let body: String?
let isBase64Encoded: Bool?
struct Context: Codable {
let accountId: String?
let resourceId: String?
let stage: String?
let requestId: String?
let identity: Identity?
let resourcePath: String?
let httpMethod: String?
let apiId: String
}
struct Identity: Codable {
let cognitoIdentityPoolId: String?
let accountId: String?
let cognitoIdentityId: String?
let caller: String?
let apiKey: String?
let sourceIp: String?
let cognitoAuthenticationType: String?
let cognitoAuthenticationProvider: String?
let userArn: String?
let userAgent: String?
let user: String?
}
}
struct APIGatewayResponse: Codable {
let statusCode: Int
let headers: [String: String]?
let multiValueHeaders: [String: [String]]?
let body: String?
let isBase64Encoded: Bool?
}
scripts/deploy.sh
Executable
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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftAWSLambdaRuntime open source project
##
## Copyright (c) 2017-2018 Apple Inc. and the SwiftAWSLambdaRuntime project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
lambda_name=SwiftSample
s3_bucket=swift-lambda-test
executable=$(swift package dump-package | sed -e 's|: null|: ""|g' | jq '.products[] | (select(.type.executable)) | .name' | sed -e 's|"||g')
set -eu
echo "-------------------------------------------------------------------------"
echo "preparing docker build image"
echo "-------------------------------------------------------------------------"
docker build . -t builder
echo "-------------------------------------------------------------------------"
echo "updating code"
echo "-------------------------------------------------------------------------"
swift package update
echo "-------------------------------------------------------------------------"
echo "building lambda executable"
echo "-------------------------------------------------------------------------"
docker run --rm -v `pwd`:/workspace -w /workspace builder bash -cl "swift build -c release -Xswiftc -g"
echo "done"
echo "-------------------------------------------------------------------------"
echo "packaging lambda"
echo "-------------------------------------------------------------------------"
docker run --rm -v `pwd`:/workspace -w /workspace builder bash -cl "./scripts/package.sh $executable"
echo "-------------------------------------------------------------------------"
echo "uploading to s3"
echo "-------------------------------------------------------------------------"
aws s3 cp .build/lambda/lambda.zip s3://$s3_bucket/
aws lambda update-function-code --function $lambda_name --s3-bucket $s3_bucket --s3-key lambda.zip
scripts/generate_contributors_list.sh
Executable
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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftAWSLambdaRuntime open source project
##
## Copyright (c) 2017-2018 Apple Inc. and the SwiftAWSLambdaRuntime project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
set -eu
here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
contributors=$( cd "$here"/.. && git shortlog -es | cut -f2 | sed 's/^/- /' )
cat > "$here/../CONTRIBUTORS.txt" <<- EOF
For the purpose of tracking copyright, this is the list of individuals and
organizations who have contributed source code to SwiftAWSLambdaRuntime.
For employees of an organization/company where the copyright of work done
by employees of that company is held by the company itself, only the company
needs to be listed here.
## COPYRIGHT HOLDERS
- Apple Inc. (all contributors with '@apple.com')
### Contributors
$contributors
**Updating this list**
Please do not edit this file manually. It is generated using \`./scripts/generate_contributors_list.sh\`. If a name is misspelled or appearing multiple times: add an entry in \`./.mailmap\`
EOF
scripts/package.sh
Executable
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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftAWSLambdaRuntime open source project
##
## Copyright (c) 2017-2018 Apple Inc. and the SwiftAWSLambdaRuntime project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
set -eu
executable=$1
target=.build/lambda
rm -rf "$target"
mkdir -p "$target"
cp ".build/release/$executable" "$target/"
cp -Pv /usr/lib/swift/linux/lib*so* /usr/lib64/libatomic.so.1* "$target"
cd "$target"
ln -s "$executable" "bootstrap"
zip --symlinks lambda.zip *
scripts/sanity.sh
Executable
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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftAWSLambdaRuntime open source project
##
## Copyright (c) 2017-2018 Apple Inc. and the SwiftAWSLambdaRuntime project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
set -eu
here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
function replace_acceptable_years() {
# this needs to replace all acceptable forms with 'YEARS'
sed -e 's/2017-2018/YEARS/' -e 's/2017-2020/YEARS/' -e 's/2019/YEARS/' -e 's/2020/YEARS/'
}
printf "=> Checking format... "
FIRST_OUT="$(git status --porcelain)"
swiftformat . > /dev/null 2>&1
SECOND_OUT="$(git status --porcelain)"
if [[ "$FIRST_OUT" != "$SECOND_OUT" ]]; then
printf "\033[0;31mformatting issues!\033[0m\n"
git --no-pager diff
exit 1
else
printf "\033[0;32mokay.\033[0m\n"
fi
printf "=> Checking license headers\n"
tmp=$(mktemp /tmp/.swift-aws-lambda-sanity_XXXXXX)
for language in swift-or-c bash dtrace; do
printf " * $language... "
declare -a matching_files
declare -a exceptions
expections=( )
matching_files=( -name '*' )
case "$language" in
swift-or-c)
exceptions=( -name Package.swift )
matching_files=( -name '*.swift' -o -name '*.c' -o -name '*.h' )
cat > "$tmp" <<"EOF"
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftAWSLambdaRuntime open source project
//
// Copyright (c) YEARS Apple Inc. and the SwiftAWSLambdaRuntime project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
EOF
;;
bash)
matching_files=( -name '*.sh' )
cat > "$tmp" <<"EOF"
#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the SwiftAWSLambdaRuntime open source project
##
## Copyright (c) YEARS Apple Inc. and the SwiftAWSLambdaRuntime project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
EOF
;;
dtrace)
matching_files=( -name '*.d' )
cat > "$tmp" <<"EOF"
#!/usr/sbin/dtrace -q -s
/*===----------------------------------------------------------------------===*
*
* This source file is part of the SwiftAWSLambdaRuntime open source project
*
* Copyright (c) YEARS Apple Inc. and the SwiftAWSLambdaRuntime project authors
* Licensed under Apache License v2.0
*
* See LICENSE.txt for license information
* See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
*
* SPDX-License-Identifier: Apache-2.0
*
*===----------------------------------------------------------------------===*/
EOF
;;
*)
echo >&2 "ERROR: unknown language '$language'"
;;
esac
expected_lines=$(cat "$tmp" | wc -l)
expected_sha=$(cat "$tmp" | shasum)
(
cd "$here/.."
find . \
\( \! -path './.build/*' -a \
\( "${matching_files[@]}" \) -a \
\( \! \( "${exceptions[@]}" \) \) \) | while read line; do
if [[ "$(cat "$line" | replace_acceptable_years | head -n $expected_lines | shasum)" != "$expected_sha" ]]; then
printf "\033[0;31mmissing headers in file '$line'!\033[0m\n"
diff -u <(cat "$line" | replace_acceptable_years | head -n $expected_lines) "$tmp"
exit 1
fi
done
printf "\033[0;32mokay.\033[0m\n"
)
done
rm "$tmp"