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feat(v2): Make ResourceNames::ensure_max_length public #1260

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feat(v2): Make ResourceNames::ensure_max_length public #1260

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feat(v2): Make `ResourceNames::ensure_max_length` public
sbernauer Aug 5, 2026
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changelog
sbernauer Aug 5, 2026
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Merge remote-tracking branch 'origin/main' into feat/ensure-max-lengt…
sbernauer Aug 6, 2026
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5 changes: 4 additions & 1 deletion crates/stackable-operator/CHANGELOG.md
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Expand Up @@ -7,8 +7,11 @@ All notable changes to this project will be documented in this file.
### Added

- Add the Cargo feature `kube-cel` that enables the `cel` feature on the `kube` crate ([1259]).
- [v2]: Make `ResourceNames::ensure_max_length` public ([#1260]).
- [v2]: Add `MAX_ANNOTATION_NAME_LENGTH` constant with a value of `63` ([#1260]).

[1259]: https://github.com/stackabletech/operator-rs/pull/1259
[#1259]: https://github.com/stackabletech/operator-rs/pull/1259
[#1260]: https://github.com/stackabletech/operator-rs/pull/1260

## [0.115.0] - 2026-08-04

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3 changes: 3 additions & 0 deletions crates/stackable-operator/src/v2/macros/attributed_string_type.rs
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Expand Up @@ -6,6 +6,9 @@ use strum::{EnumDiscriminants, IntoStaticStr};
/// Duplicates the private constant [`crate::kvp::LABEL_VALUE_MAX_LEN`]
pub const MAX_LABEL_VALUE_LENGTH: usize = 63;

/// Maximum length of annotation names
pub const MAX_ANNOTATION_NAME_LENGTH: usize = 63;
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@siegfriedweber siegfriedweber Aug 5, 2026

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This constant belongs in kvp::annotation.

Rather than exposing the value publicly, it might be cleaner to offer a sanitize function that takes a key prefix and name and returns a valid kvp::key::Key.


#[derive(Debug, EnumDiscriminants, Snafu)]
#[snafu(visibility(pub))]
#[strum_discriminants(derive(IntoStaticStr))]
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6 changes: 5 additions & 1 deletion crates/stackable-operator/src/v2/role_group_utils.rs
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Expand Up @@ -99,7 +99,11 @@ impl ResourceNames {
/// `max_length < 1 /* character */ + 1 /* dash */ + hash_length`.
///
/// Kubernetes object names cannot contain non-ASCII characters.
fn ensure_max_length(resource_name: String, max_length: usize, hash_length: usize) -> String {
pub fn ensure_max_length(
resource_name: String,
max_length: usize,
hash_length: usize,
) -> String {
Comment on lines +102 to +106

@siegfriedweber siegfriedweber Aug 5, 2026 •
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This function was written for resource names, where the assertions always hold. If it's now used to shorten arbitrary strings (which could also come from the user) then you can expect the operator to crash.

That said, I do see the usefulness. I'd suggest making it safe for arbitrary strings (which isn't trivial) and moving it to a string utility module.

assert!(resource_name.is_ascii());
assert!(max_length >= 1 /* character */ + 1 /* dash */ + hash_length);

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