GitHub - getsentry/devenv: unified dev environment management tool

devenv

managing dev environments since '24

devenv is an extensible execution framework and library for authoring a simple set of high level commands - bootstrap, sync, doctor, nuke - that manage a repository's dev environment.

prerequisites

Are you a Sentry employee? Make sure your GitHub account has been added to a getsentry/engineering team. If not, open an IT Ticket before continuing.

Otherwise, set the SENTRY_EXTERNAL_CONTRIBUTOR environment variable.

install

Download this and run it:

bash install-devenv.sh

This "global" devenv is installed to ~/.local/share/sentry-devenv/bin/devenv.

To update this installation, run devenv update.

user guide

devenv bootstrap

This is intended for initial setup of a new machine.

devenv fetch [repository name]

Any repository on github in the form of [org]/[reponame]

Repositories are cloned to a "coderoot" directory which is specified in the global configuration.

Note: sentry and ops are currently special names which perform more complicated installations (e.g., sentry will set up both sentry and getsentry)

devenv sync

This runs a user-supplied [reporoot]/devenv/sync.py which should:

make sure any desired tools are installed
bring the dev environment up-to-date, or create it if it doesn't exist

This script runs within devenv's runtime, which has access to many useful high-level routines. There are currently no api docs, but referring to the examples should get you 90% of the way there.

If you have a feature request, please open an issue!

In general, our library is designed to isolate, as much as possible, a repo's dev environment within [reporoot]/.devenv. For example, gcloud is installed to [reporoot]/.devenv/bin/gcloud (with the gcloud sdk at [reporoot]/.devenv/bin/google-cloud-sdk). An exception to this would be python virtualenvs, which was implemented before the idea of [reporoot]/.devenv.

devenv doctor

Use this to diagnose and fix common issues.

Repo-specific checks and fixes can be defined in [reporoot]/devenv/checks. Otherwise we have "builtin" checks and fixes in devenv.checks.

technical overview

Everything devenv needs is in ~/.local/share/sentry-devenv.

~/.local/share/sentry-devenv/bin contains devenv and direnv
- we currently rely on a minimal [reporoot]/.envrc to add [reporoot]/.devenv/bin to PATH
- see examples for .envrc suggestions

runtime

devenv is installed exclusively in a virtualenv at ~/.local/share/sentry-devenv/venv
- this venv exclusively uses a python at ~/.local/share/sentry-devenv/python

global configuration

~/.config/sentry-devenv/config.ini

[devenv]
# the parent directory of all devenv-managed repos
coderoot = ~/code

repository configuration

[reporoot]/devenv/config.ini

[devenv]
# optionally require a minimum version to run sync.py
minimum_version = 1.11.0

There are plenty more sections, their use is best seen in the examples.

examples

Skip to:

direnv
python
node
brew
colima
gcloud
terraform

direnv

A minimum viable [reporoot]/.envrc is currently needed:

if [[ -f "${PWD}/.env" ]]; then
    dotenv
fi

PATH_add "${HOME}/.local/share/sentry-devenv/bin"

if ! command -v devenv >/dev/null; then
    echo "install devenv: https://github.com/getsentry/devenv#install"
    return 1
fi

PATH_add "${PWD}/.devenv/bin"

python

Need a single virtualenv (or have one already at .venv you want devenv to manage?)

[reporoot]/.envrc

export VIRTUAL_ENV="${PWD}/.venv"

PATH_add "${PWD}/.venv/bin"

[reporoot]/devenv/sync.py

from devenv.lib import config, venv

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]

    venv_dir, python_version, requirements, editable_paths, bins = venv.get(reporoot, "venv")
    url, sha256 = config.get_python(reporoot, python_version)
    print(f"ensuring venv at {venv_dir}...")
    venv.ensure(venv_dir, python_version, url, sha256)

    print(f"syncing venv with {requirements}...")
    venv.sync(reporoot, venv_dir, requirements, editable_paths, bins)

    return 0

[reporoot]/devenv/config.ini

[venv.venv]
python = 3.12.3
path = .venv
requirements = requirements-dev.txt
editable =
  .

[python3.12.3]
darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-x86_64-apple-darwin-install_only.tar.gz
darwin_x86_64_sha256 = c37a22fca8f57d4471e3708de6d13097668c5f160067f264bb2b18f524c890c8
darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-aarch64-apple-darwin-install_only.tar.gz
darwin_arm64_sha256 = ccc40e5af329ef2af81350db2a88bbd6c17b56676e82d62048c15d548401519e
linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-x86_64-unknown-linux-gnu-install_only.tar.gz
linux_x86_64_sha256 = a73ba777b5d55ca89edef709e6b8521e3f3d4289581f174c8699adfb608d09d6
linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-aarch64-unknown-linux-gnu-install_only.tar.gz
linux_arm64_sha256 = ec8126de97945e629cca9aedc80a29c4ae2992c9d69f2655e27ae73906ba187d

You can also have multiple virtualenvs, which is useful if you rely on a python tool that has a bunch of dependencies that may conflict with others.

[reporoot]/.envrc

export VIRTUAL_ENV="${PWD}/.exampleproject"

PATH_add "${PWD}/.venv-exampleproject/bin"
PATH_add "${PWD}/.venv-inhouse-tool/bin"

[reporoot]/devenv/sync.py

from devenv.lib import config, venv

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]

    for name in ("exampleproject", "inhouse-tool"):
        venv_dir, python_version, requirements, editable_paths, bins = venv.get(reporoot, name)
        url, sha256 = config.get_python(reporoot, python_version)
        print(f"ensuring {name} venv at {venv_dir}...")
        venv.ensure(venv_dir, python_version, url, sha256)

        print(f"syncing {name} with {requirements}...")
        venv.sync(reporoot, venv_dir, requirements, editable_paths, bins)

    return 0

[reporoot]/devenv/config.ini

[venv.exampleproject]
python = 3.12.3
requirements = requirements-dev.txt
editable =
  .

[venv.inhouse-tool]
python = 3.12.3
requirements = inhouse-tool/requirements-dev.txt

[python3.12.3]
darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-x86_64-apple-darwin-install_only.tar.gz
darwin_x86_64_sha256 = c37a22fca8f57d4471e3708de6d13097668c5f160067f264bb2b18f524c890c8
darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-aarch64-apple-darwin-install_only.tar.gz
darwin_arm64_sha256 = ccc40e5af329ef2af81350db2a88bbd6c17b56676e82d62048c15d548401519e
linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-x86_64-unknown-linux-gnu-install_only.tar.gz
linux_x86_64_sha256 = a73ba777b5d55ca89edef709e6b8521e3f3d4289581f174c8699adfb608d09d6
linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240415/cpython-3.12.3+20240415-aarch64-unknown-linux-gnu-install_only.tar.gz
linux_arm64_sha256 = ec8126de97945e629cca9aedc80a29c4ae2992c9d69f2655e27ae73906ba187d

node

[reporoot]/.envrc

PATH_add "${PWD}/node_modules/.bin"

[reporoot]/devenv/sync.py

from devenv import constants
from devenv.lib import config, node, proc

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]
    cfg = config.get_repo(reporoot)

    node.install(
        cfg["node"]["version"],
        cfg["node"][constants.SYSTEM_MACHINE],
        cfg["node"][f"{constants.SYSTEM_MACHINE}_sha256"],
        reporoot,
    )
    node.install_yarn(cfg["node"]["yarn_version"], reporoot)

    print("installing node dependencies...")
    proc.run(
        (
            ".devenv/bin/yarn",
            "install",
            "--frozen-lockfile",
            "--no-progress",
            "--non-interactive",
        ),
    )

    return 0

If you'd like a different node version, fill in the appropriate urls https://nodejs.org/dist/ first in config.ini, then reach out to dev-infra and we can mirror it to GCS.

[reporoot]/devenv/config.ini

[node]
# upstream (https://nodejs.org/dist/) is not reliable enough so we've mirrored it to GCS
darwin_x86_64 = https://storage.googleapis.com/sentry-dev-infra-assets/node/node-v20.13.1-darwin-x64.tar.xz
darwin_x86_64_sha256 = c83bffeb4eb793da6cb61a44c422b399048a73d7a9c5eb735d9c7f5b0e8659b6
darwin_arm64 = https://storage.googleapis.com/sentry-dev-infra-assets/node/node-v20.13.1-darwin-arm64.tar.xz
darwin_arm64_sha256 = e8a8e78b91485bc95d20f2aa86201485593685c828ee609245ce21c5680d07ce
linux_x86_64 = https://storage.googleapis.com/sentry-dev-infra-assets/node/node-v20.13.1-linux-x64.tar.xz
linux_x86_64_sha256 = efc0f295dd878e510ab12ea36bbadc3db03c687ab30c07e86c7cdba7eed879a9
# used for autoupdate
version = v20.13.1
yarn_version = 1.22.22

brew

[reporoot]/devenv/sync.py

from devenv import constants
from devenv.lib import brew

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]

    brew.install()

    proc.run(
        (f"{constants.homebrew_bin}/brew", "bundle"),
        cwd=reporoot,
    )

    return 0

[reporoot]/Brewfile

# whatever you want, but we generally discourage installing
# things via brew as it's very difficult to pin a particular
# version of something

colima

Since devenv 1.14.0, colima (and the docker CLI needed to interact with it) should have been installed globally for you during bootstrap. If you're on an older version, run devenv update.

gcloud

[reporoot]/devenv/sync.py

from devenv import constants
from devenv.lib import config, gcloud

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]
    cfg = config.get_repo(reporoot)

    gcloud.install(
        cfg["gcloud"]["version"],
        cfg["gcloud"][SYSTEM_MACHINE],
        cfg["gcloud"][f"{SYSTEM_MACHINE}_sha256"],
        reporoot,
    )

    return 0

[reporoot]/devenv/config.ini

[gcloud]
# custom python version not supported yet, it just uses
# devenv's internal python 3.11
darwin_x86_64 = https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-490.0.0-darwin-x86_64.tar.gz
darwin_x86_64_sha256 = fa396909acc763cf831dd5d89e778999debf37ceadccb3c1bdec606e59ba2694
darwin_arm64 = https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-490.0.0-darwin-arm.tar.gz
darwin_arm64_sha256 = a3a098a5f067b561e003c37284a9b164f28f37fd0d6371bb55e326679f48641c
linux_x86_64 = https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-490.0.0-linux-x86_64.tar.gz
linux_x86_64_sha256 = 40ce41958236f76d9cb08f377ccb9fd6502d2df4da14b36d9214bcb620e2b020
# used for autoupdate
version = 490.0.0

terraform

Our responsibility ends at installing tenv and containing TENV_ROOT at [reporoot]/.devenv/bin/tenv-root. We install terraform and terragrunt shims which use that TENV_ROOT.

Define [reporoot]/.terraform-version and [reporoot]/.terragrunt-version (if you want it) and after running sync, you should be able to just type terraform and tenv takes care of the rest.

[reporoot]/devenv/sync.py

from devenv import constants
from devenv.lib import config, tenv

def main(context: dict[str, str]) -> int:
    reporoot = context["reporoot"]
    cfg = config.get_repo(reporoot)

    tenv.install(
        cfg["tenv"]["version"],
        cfg["tenv"][SYSTEM_MACHINE],
        cfg["tenv"][f"{SYSTEM_MACHINE}_sha256"],
        reporoot,
    )

    return 0

[reporoot]/devenv/config.ini

[tenv]
darwin_x86_64 = https://github.com/tofuutils/tenv/releases/download/v1.3.0/tenv_v1.3.0_Darwin_x86_64.tar.gz
darwin_x86_64_sha256 = 994100d26f4de6de4eebc7691ca4ea7b424e2fd73e6d5d77c5bf6dfd4af94752
darwin_arm64 =  https://github.com/tofuutils/tenv/releases/download/v1.3.0/tenv_v1.3.0_Darwin_arm64.tar.gz
darwin_arm64_sha256 = c31d2b8412147316a0cadb684408bc123e567852d7948091be7e4303fc19397a
# used for autoupdate
version = v1.3.0

develop

We use tox. The easiest way to run devenv locally is just using the tox venv's executable:

~/code/sentry $  ~/code/devenv/.tox/py311/bin/devenv sync

Name		Name	Last commit message	Last commit date
Latest commit History 263 Commits
.github/workflows		.github/workflows
ci		ci
devenv		devenv
lib/gh-act		lib/gh-act
scripts		scripts
tests		tests
.actrc		.actrc
.craft.yml		.craft.yml
.envrc		.envrc
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
Makefile		Makefile
README.md		README.md
install-devenv.sh		install-devenv.sh
pyproject.toml		pyproject.toml
requirements-dev.in		requirements-dev.in
setup.cfg		setup.cfg
tox.ini		tox.ini

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