Using the datadog_monitor resources needs to previously have included dd-agent recipe.
MODIFY
recipes/integrations.rb
recipes/integrations.rb
# limitations under the License.
#
-include_recipe 'datadog::repository' if node['datadog']['installrepo']
+include_recipe 'datadog::dd-agent'
# Install all specified integrations
# example:

Using the datadog_monitor resources needs to previously have included dd-agent recipe.