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Helm chart — fluid-workload

In the fluid monorepo this chart lives under code/charts/fluid-workload/; standalone Git (fluid-pub/chart-workload) uses the same layout at the repository root.

Release — push a semver tag without v matching version in Chart.yaml to publish oci://ghcr.io/fluid-pub/fluid-workload/fluid-workload:<tag>.

helm pull oci://ghcr.io/fluid-pub/fluid-workload/fluid-workload --version 0.2.0

Generic chart for one Fluid agent or probe image: ConfigMap-mounted YAML, optional Secret/env credentials.

Configuration model

Layer What Where
Cluster (GitOps values) Image, mounts, secrets (envFrom), minimal bootstrap YAML Helm values + ESO
Control plane runtime_config (entities, intervals, fields.*.rag, …) Dashboard → probe record, fetched over WebSocket/HTTP
Secrets Tokens, API keys, CP connection Kubernetes Secret (e.g. AWS SM via ESO)

Probes (all): ship config/schema.yml in the image at /etc/fluid/config/schema.yml (same semver as the binary). Set config.schemaInImage: true so Helm mounts only the main config file (subPath); the schema file from the image stays on disk.

Override only when needed: config.schemaContent or config.files.schema.yml (full-directory mount, hides the image schema).

Control plane: operational YAML (data.entities, intervals, fields.*.rag, …) via runtime_config; schema contract is pushed at connect from the probe (PushSchema).

GitOps: keep bootstrap in config.content (state dir, probe name, CP env placeholders, non-secret endpoints).

Typical values

configMount:
  mountPath: /etc/fluid/config
  fileName: config.yaml

config:
  schemaInImage: true
  content: |
    probe:
      name: confluence
    # bootstrap only — entities/tuning → control plane runtime_config

args:
  - -config
  - /etc/fluid/config/config.yaml

extraEnvFrom:
  - secretRef:
      name: my-probe-connection
  • image.repository / image.tag — workload image (GHCR).
  • credentialsSecret — optional file-based credentials mount.
  • service.enabled — only if the workload exposes HTTP.

Chart tests

helm plugin install https://github.com/helm-unittest/helm-unittest --version v0.6.3 --verify=false
helm unittest .

See tests/README.md. CI runs helm lint and helm unittest . on pull requests.