Find Argo Template References

arg-templates.sh

# Find template references in the given file
function find-refs-in-file() {
  local file="$1"
  local workflow="$2"
  local template="$3"
  local query=".. | select(type==\"object\") | .templateRef | select(.name==\"$workflow\") | select(.template==\"$template\")"
  
  if ! cat "$file" | yq "$query"; then 
    echo "ERROR: $1" 1>&2; 
  fi 
}


# Select workflow templates files, potentially 
# containing references to the given workflow template
function sel() { 
  grep -lP "name:\s+([\"']?)$1" -R . | grep -v node_modules | grep yaml 
}


# Find references to the given template in the current directory
function refs() { 
  local workflow="$1"
  local template="$2"
  local pattern="template:\s+['\"]?$template"

  for file in $(sel "$workflow"); do 
    if [ ! -z "$(find-refs-in-file "$file" "$workflow" "$template")" ]; then 
      echo $file:$(grep -nP "$pattern" $file) | grep -P "$pattern"; 
    fi; 
  done 
}

LINKS.md

Find Workflow References

This snippet shows how to find Argo workflow references in the current directory.

Usage:

refs workflow-name template-name

Links:

• https://tldp.org/LDP/abs/html/localvar.html
• https://stedolan.github.io/jq/manual/#select(boolean_expression)