helm

lerian-common

Shared Helm library chart for the LerianStudio product charts. It renders nothing on its own — it provides render-equivalent helpers (defines) consumed via include by the product charts that declare it as a dependency.

Helpers

• Env contracts: lerian-common.serviceDiscovery.env, lerian-common.streaming.env, lerian-common.multiTenant.env — env-wide constants come from global.* (set once per environment); the per-app enable knob stays in the component’s extraEnvVars/configmap; a component value overrides the global default; and each helper stays inert until global.* is set (backward-compatible).
• In-cluster host primitives: lerian-common.internalHost, lerian-common.internalURL.
• Resource helpers: lerian-common.hpa, .service, .serviceAccount, .pdb, .ingress.
• Deployment pod-spec fragments: lerian-common.scheduling, .imagePullSecrets, .httpProbe, .rolesAnywhere.{sidecar,volume,imdsEnv,podSecurityContext}.
• Dependency helpers: lerian-common.dependency.fullname, .infraSecretRef.
• lerian-common.deploymentStrategy.

See values.yaml for the standard global.{serviceDiscovery,streaming,multiTenant} template.

Usage

# consumer Chart.yaml
dependencies:
  - name: lerian-common
    version: "0.1.0"
    repository: "file://../lerian-common"

# consumer template (example)

Chart Contract

• Chart type: library
• Required secrets: none — this is a library chart; it declares and manages no secrets.
• Dependency notes: no subchart dependencies of its own. Consumers reference it via repository: "file://../lerian-common" (monorepo) and vendor it at helm dependency build; packaged consumer charts embed it in their .tgz.
• Production overrides: set global.serviceDiscovery, global.streaming and global.multiTenant once per environment (umbrella/GitOps). Helpers stay inert until set.
• Source/License: https://github.com/LerianStudio/helm — © Lerian Studio.

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