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Add dev-only query logging support

This PR adds query logging support as an optional feature.
It is only allowed during development/debug builds, and will abort when
used during a `--release` build.

For this feature to be fully activated you also need to se an
environment variable `QUERY_LOGGER=1` to activate the debug log-level
for this crate, else there will be no output.

The reason for this PR is that sometimes it is useful to be able to see
the generated queries, like when debugging an issue, or trying to
optimize a query. Currently i always added this code when needed, but
having this a part of the code could benifit other developers too who
maybe need this.
This commit is contained in:
BlackDex 2022-12-03 18:25:59 +01:00
parent 8feed2916f
commit 1b64b9e164
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GPG key ID: 58C80A2AA6C765E1
5 changed files with 46 additions and 8 deletions

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@ -9,20 +9,25 @@ fn main() {
println!("cargo:rustc-cfg=mysql");
#[cfg(feature = "postgresql")]
println!("cargo:rustc-cfg=postgresql");
#[cfg(feature = "query_logger")]
println!("cargo:rustc-cfg=query_logger");
#[cfg(not(any(feature = "sqlite", feature = "mysql", feature = "postgresql")))]
compile_error!(
"You need to enable one DB backend. To build with previous defaults do: cargo build --features sqlite"
);
#[cfg(all(not(debug_assertions), feature = "query_logger"))]
compile_error!("Query Logging is only allowed during development, it is not intented for production usage!");
// Support $BWRS_VERSION for legacy compatibility, but default to $VW_VERSION.
// If neither exist, read from git.
let maybe_vaultwarden_version =
env::var("VW_VERSION").or_else(|_| env::var("BWRS_VERSION")).or_else(|_| version_from_git_info());
if let Ok(version) = maybe_vaultwarden_version {
println!("cargo:rustc-env=VW_VERSION={}", version);
println!("cargo:rustc-env=CARGO_PKG_VERSION={}", version);
println!("cargo:rustc-env=VW_VERSION={version}");
println!("cargo:rustc-env=CARGO_PKG_VERSION={version}");
}
}
@ -47,29 +52,29 @@ fn version_from_git_info() -> Result<String, std::io::Error> {
// the current commit doesn't have an associated tag
let exact_tag = run(&["git", "describe", "--abbrev=0", "--tags", "--exact-match"]).ok();
if let Some(ref exact) = exact_tag {
println!("cargo:rustc-env=GIT_EXACT_TAG={}", exact);
println!("cargo:rustc-env=GIT_EXACT_TAG={exact}");
}
// The last available tag, equal to exact_tag when
// the current commit is tagged
let last_tag = run(&["git", "describe", "--abbrev=0", "--tags"])?;
println!("cargo:rustc-env=GIT_LAST_TAG={}", last_tag);
println!("cargo:rustc-env=GIT_LAST_TAG={last_tag}");
// The current branch name
let branch = run(&["git", "rev-parse", "--abbrev-ref", "HEAD"])?;
println!("cargo:rustc-env=GIT_BRANCH={}", branch);
println!("cargo:rustc-env=GIT_BRANCH={branch}");
// The current git commit hash
let rev = run(&["git", "rev-parse", "HEAD"])?;
let rev_short = rev.get(..8).unwrap_or_default();
println!("cargo:rustc-env=GIT_REV={}", rev_short);
println!("cargo:rustc-env=GIT_REV={rev_short}");
// Combined version
if let Some(exact) = exact_tag {
Ok(exact)
} else if &branch != "main" && &branch != "master" {
Ok(format!("{}-{} ({})", last_tag, rev_short, branch))
Ok(format!("{last_tag}-{rev_short} ({branch})"))
} else {
Ok(format!("{}-{}", last_tag, rev_short))
Ok(format!("{last_tag}-{rev_short}"))
}
}