mirror of
https://github.com/d9pouces/id_configurator.git
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d9pouces
56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
"""Configure the Go toolchain to use the configured GoRepository entries as
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its module proxy (GOPROXY), replacing the default (proxy.golang.org). Since
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an air-gapped mirror won't be listed in the public checksum database and
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sum.golang.org is unreachable anyway, GOSUMDB is also turned off - each
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module's hash is then simply trusted on first use, exactly as it would be
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for any other GOPROXY.
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Go's own HTTPS client already trusts whatever the `certificates` module
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installs into the system CA store, so no separate certificate configuration
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is needed here, unlike npm's.
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Written to `$GOROOT/go.env`, which `$GOROOT` defaults to `/usr/local/go` for
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essentially every standard Go install (the official Docker image included);
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unlike a config dropped in one specific user's home, this applies regardless
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of which user invokes `go`. The go command reads `$GOROOT/go.env` as a
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fallback whenever a setting is not already present in a higher-precedence
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level - in particular the per-user `go env -w` file (found at
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`os.UserConfigDir()/go/env`, e.g. `$HOME/.config/go/env`), which this module
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also writes for each configured `--user` (`context.users`), so that one
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takes precedence should that user ever run `go env -w` themselves.
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"""
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from __future__ import annotations
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import logging
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from id_configurator.config import GoRepository
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from id_configurator.context import Context
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from id_configurator.modules.base import Module, register
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logger = logging.getLogger(__name__)
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_GO_ENV = "usr/local/go/go.env"
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def _write_go_env(context: Context, repositories: list[GoRepository]) -> None:
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proxy = ",".join(repository.url for repository in repositories)
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lines = [f"GOPROXY={proxy}", "GOSUMDB=off"]
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content = ("\n".join(lines) + "\n").encode("utf-8")
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context.write_file(_GO_ENV, content)
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for user in context.users:
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context.write_file(f"{context.home_dir(user)}/.config/go/env", content)
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logger.info("configured go for user %s", user)
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logger.info("configured go to use %d module prox(y/ies)", len(repositories))
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@register
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class GoModule(Module):
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name = "go"
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def is_relevant(self, context: Context) -> bool:
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return bool(context.config.configurations.go.repositories)
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def apply(self, context: Context) -> None:
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_write_go_env(context, context.config.configurations.go.repositories)
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