Chef CouchDB Views.js

// Match all nodes with FQDN ending in example.com
function(doc) {
  if(doc.attributes.fqdn) {
    var prefix = doc.attributes.fqdn.match(/^.*example.com$/);
    if(prefix) {
      emit(prefix, null);
    }
  }
}
 
// Match all nodes with virtualization role "host"
function(doc) {
  if(doc.attributes.virtualization && doc.attributes.virtualization.role) {
    if(doc.attributes.virtualization.role == 'host'){
      emit(doc.attributes.fqdn, 'is a host');
    }
  }
}
 
// Find all nodes with run_list > 0 (i.e. with recipies, roles applied)
function(doc) {
  if (doc.chef_type == "node") {
    if (doc['run_list'].length > 0) {
      emit(doc.name, doc['run_list']); }
  }
}
 
 
// Find all nodes with run_list == 0 (i.e. with recipies, roles applied)
function(doc) {
  if (doc.chef_type == "node") {
    if (doc['run_list'].length == 0) {
      emit(doc.name, doc['run_list']); }
  }
}
 
// Find all RedHat Enterprise Linux 4 nodes
function(doc) {
  if (doc.chef_type == "node") {
    platform = doc.attributes.platform
    pversion = doc.attributes.platform_version
    if (platform == 'redhat' && pversion == '4') {
      emit(doc.name, 'RHEL 4'); }
  }
}