stringify

Stringify Operator Examples

The stringify operator converts data structures (maps, arrays, etc.) into properly formatted YAML strings. This is particularly useful for embedding configuration as strings in other systems like Kubernetes ConfigMaps.

Files in this directory:

1. basic.yml - Basic stringification of different data types
2. kubernetes-configmap.yml - Creating Kubernetes ConfigMaps
3. nested-configs.yml - Stringifying complex nested structures
4. multi-document.yml - Working with multiple configurations

Key Features:

• Converts any data structure to a YAML-formatted string
• Preserves structure and formatting
• Handles nested maps and arrays
• Useful for embedding YAML within YAML
• Maintains proper indentation automatically

Common Use Cases:

# Embed configuration as a string
config_string: (( stringify config_data ))

# Create Kubernetes ConfigMap
data:
  application.yml: (( stringify app_config ))

# Store structured data as text
metadata: (( stringify complex_structure ))

Running Examples:

# Basic stringification
graft merge basic.yml

# Generate Kubernetes manifests
graft merge kubernetes-configmap.yml > configmap.yaml
kubectl apply -f configmap.yaml

# Complex nested configs
graft merge nested-configs.yml

Notes:

• The output is always valid YAML
• Large structures may produce long strings
• Useful for generating configuration files dynamically
• Works well with the file operator for comparison