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Kubernetes StatefulSet with Volume Claim Templates

A StatefulSet with volumeClaimTemplates, an ordered pod-management policy, a partitioned rolling update, and a non-root pod security context. For testing manifest linters and admission policies that reason about storage and identity.

Config testingConfig parsingEditor testing
Preview, first 46 linesyaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: ledger
  namespace: example-apps
spec:
  serviceName: ledger-headless
  replicas: 3
  podManagementPolicy: OrderedReady
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      partition: 0
  selector:
    matchLabels:
      app.kubernetes.io/name: ledger
  template:
    metadata:
      labels:
        app.kubernetes.io/name: ledger
    spec:
      terminationGracePeriodSeconds: 30
      securityContext:
        runAsNonRoot: true
        runAsUser: 10001
        fsGroup: 10001
      containers:
        - name: ledger
          image: registry.example.invalid/example-org/ledger:2.1.0
          ports:
            - containerPort: 5432
              name: db
          volumeMounts:
            - name: data
              mountPath: /var/lib/ledger
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: example-fast
        resources:
          requests:
            storage: 10Gi

Specifications

Kind
StatefulSet
Replicas
3
Volume Claim Templates
1
Update Strategy
RollingUpdate
Run As Non Root
true

Testing contract

Expected to pass
Scenario
Read storage and security settings from a StatefulSet manifest
Expected result
One volumeClaimTemplate is found requesting 10Gi on storageClassName example-fast, and the pod security context reports runAsNonRoot true

What is a .yaml file?

YAML (YAML Ain't Markup Language) is a human-readable data-serialization format using indentation, key-value pairs, and lists, and is a superset of JSON. It supports comments, anchors, and multiple documents per file, favoring readability for configuration. Its indentation sensitivity makes it error-prone to hand-edit.

How to use this file

Use an example YAML file to test config parsers, indentation and anchor handling, multi-document streams, and safe-loading to avoid arbitrary object construction.

How to use this file for testing

“Kubernetes StatefulSet with Volume Claim Templates” is a deterministic Testaroo fixture for Config testing, Config parsing, Editor testing. TOML, INI, YAML, .env, and dotfile configuration samples with nested sections and typed values, for testing config parsers, loaders, and environment tooling.

Documented properties for this file: YAML · 1,043 bytes. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such, expect parsers to fail loudly rather than silently accept them.

Pipeline and infrastructure fixtures are inert configuration: steps reference fictional images and scripts, and nothing here executes. Run your linter, schema validator, migrator, or policy engine against them, and expect the deprecated-syntax and intentionally invalid variants to be rejected.

Point your config loader at the file and assert it reads the documented sections and typed values, including any deliberately-tricky nesting or comments.

Code examples

import yaml  # pip install pyyaml

with open("statefulset-volumeclaims.yaml") as f:
    data = yaml.safe_load(f)
print(data)

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