Drill is a HTTP load testing application written in Rust. The main goal for this project is to build a really lightweight tool as alternative to other that require JVM and other stuff.
You can write benchmark files, in YAML format, describing all the stuff you want to test.
It was inspired by Ansible syntax because it is really easy to use and extend.
Here is an example for benchmark.yml:
---
concurrency: 4
base: 'http://localhost:9000'
iterations: 5
rampup: 2
plan:
- name: Include comments
include: comments.yml
- name: Fetch users
request:
url: /api/users.json
- name: Fetch organizations
request:
url: /api/organizations
- name: Fetch account
request:
url: /api/account
assign: foo
- name: Fetch manager user
request:
url: /api/users/{{ foo.body.manager_id }}
- name: Assert request response code
assert:
key: foo.status
value: 200
- name: Assign values
assign:
key: bar
value: "2"
- name: Assert values
assert:
key: bar
value: "2"
- name: Fetch user from assign
request:
url: /api/users/{{ bar }}
- name: Fetch some users
request:
url: /api/users/{{ item }}
with_items:
- 70
- 73
- 75
- name: Tagged user request
request:
url: /api/users/70
tags:
- tag_user
- name: Fetch some users by hash
request:
url: /api/users/{{ item.id }}
with_items:
- { id: 70 }
- { id: 73 }
- { id: 75 }
- name: Fetch some users by range, index {{ index }}
request:
url: /api/users/{{ item }}
with_items_range:
start: 70
step: 5
stop: 75
- name: Fetch some users from CSV, index {{ index }}
request:
url: /api/users/contacts/{{ item.id }}
with_items_from_csv: ./fixtures/users.csv
shuffle: true
- name: POST some crafted JSONs stored in CSV, index {{ index }}
request:
url: /api/transactions
method: POST
body: '{{ item.txn }}'
headers:
Content-Type: 'application/json'
with_items_from_csv:
file_name: ./fixtures/transactions.csv
quote_char: "\'"
- name: Fetch no relative url
request:
url: http://localhost:9000/api/users.json
- name: Interpolate environment variables
request:
url: http://localhost:9000/api/{{ EDITOR }}
- name: Support for POST method
request:
url: /api/users
method: POST
body: foo=bar&arg={{ bar }}
- name: Login user
request:
url: /login?user=example&password=3x4mpl3
- name: Fetch counter
request:
url: /counter
assign: memory
- name: Fetch counter
request:
url: /counter
assign: memory
- name: Fetch endpoint
request:
url: /?counter={{ memory.body.counter }}
- name: Reset counter
request:
method: DELETE
url: /
- name: Exec external commands
exec:
command: "echo '{{ foo.body }}' | jq .phones[0] | tr -d '\"'"
assign: baz
- name: Custom headers
request:
url: /admin
headers:
Authorization: Basic aHR0cHdhdGNoOmY=
X-Foo: Bar
X-Bar: Bar {{ memory.headers.token }}
- name: One request with a random item
request:
url: /api/users/{{ item }}
with_items:
- 70
- 73
- 75
shuffle: true
pick: 1
- name: Three requests with random items from a range
request:
url: /api/users/{{ item }}
with_items_range:
start: 1
stop: 1000
shuffle: true
pick: 3As you can see, you can play with interpolations in different ways. This will let you specify a benchmark with different requests and dependencies between them.
If you want to know more about the benchmark file syntax, read this
Right now, the easiest way to get drill is to go to the
latest release
page and download the binary file for your platform.
Another way to install drill, if you have Rust available in
your system, is with cargo:
cargo install drill
drill --benchmark benchmark.yml --stats
or download the source code and compile it:
git clone [email protected]:fcsonline/drill.git && cd drill
cargo build --release
./target/release/drill --benchmark benchmark.yml --stats
OpenSSL is needed in order to compile Drill, whether it is through cargo install
or when compiling from source with cargo build.
Depending on your platform, the name of the dependencies may differ.
Install libssl-dev and pkg-config packages with your favorite package manager
(if libssl-dev is not found, try other names like openssl or openssl-devel).
First, install the Homebrew package manager.
And then install openssl with Homebrew.
First, install vcpkg.
And then run vcpkg install openssl:x64-windows-static-md.
This is the list of all features supported by the current version of drill:
- Concurrency: run your benchmarks choosing the number of concurrent iterations.
- Multi iterations: specify the number of iterations you want to run the benchmark.
- Ramp-up: specify the amount of time, in seconds, that it will take
drillto start all iterations. - Delay: introduce controlled delay between requests. Example: delay.yml
- Dynamic urls: execute requests with dynamic interpolations in the url, like
/api/users/{{ item }} - Dynamic headers: execute requests with dynamic headers. Example: headers.yml
- Interpolate environment variables: set environment variables, like
/api/users/{{ EDITOR }} - Executions: execute remote commands with test plan data.
- Assertions: assert values during the test plan. Example: iterations.yml
- Request dependencies: create dependencies between requests with
assignand url interpolations. - Split files: organize your benchmarks in multiple files and include them.
- CSV support: read CSV files and build N requests fill dynamic interpolations with CSV data.
- HTTP methods: build request with different http methods like GET, POST, PUT, PATCH, HEAD or DELETE.
- Cookie support: create benchmarks with sessions because cookies are propagates between requests.
- Stats: get nice statistics about all the requests. Example: cookies.yml
- Thresholds: compare the current benchmark performance against a stored one session and fail if a threshold is exceeded.
- Tags: specify test plan items by tags.
Go to the example directory and you'll find a README how
to test it in a safe environment.
Disclaimer: We really recommend not to run intensive benchmarks against production environments.
Full list of cli options, which is available under drill --help
drill 0.8.3
HTTP load testing application written in Rust inspired by Ansible syntax
USAGE:
drill [FLAGS] [OPTIONS] --benchmark <benchmark>
FLAGS:
-h, --help Prints help information
--list-tags List all benchmark tags
--list-tasks List benchmark tasks (executes --tags/--skip-tags filter)
-n, --nanosec Shows statistics in nanoseconds
--no-check-certificate Disables SSL certification check. (Not recommended)
-q, --quiet Disables output
--relaxed-interpolations Do not panic if an interpolation is not present. (Not recommended)
-s, --stats Shows request statistics
-V, --version Prints version information
-v, --verbose Toggle verbose output
OPTIONS:
-b, --benchmark <benchmark> Sets the benchmark file
-c, --compare <compare> Sets a compare file
-r, --report <report> Sets a report file
--skip-tags <skip-tags> Tags to exclude
--tags <tags> Tags to include
-t, --threshold <threshold> Sets a threshold value in ms amongst the compared file
-o, --timeout <timeout> Set timeout in seconds for all requests
- Complete and improve the interpolation engine
- Add writing to a file support
If you appreciate all the job done in this project, a small donation is always welcome:
This project started as a side project to learn Rust, so I'm sure that is full of mistakes and areas to be improve. If you think you can tweak the code to make it better, I'll really appreciate a pull request. ;)
![dependabot[bot] avatar](https://avatars.githubusercontent.com/in/29110?v=4 "dependabot[bot]")
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