gistfile1.txt

# Pillar looks like this:
mysql-configuration-settings:
  global_buffers:
    key_buffer_size: 8
    innodb_log_buffer_size: 8000
    innodb_additional_mem_pool_size: 8000
    net_buffer_length: 1000
    query_cache_size: 1000
    
    
# State file computation looks like this:    
{% set GLOBAL_BUFFERS_KB = 0 %}
{% for global_buffer in salt['pillar.get']('mysql-configuration-settings:global_buffers') %}
{% set GLOBAL_BUFFERS_KB = (GLOBAL_BUFFERS_KB + global_buffer) %}
{% endfor %}



# Error looks like this:

    Data failed to compile:
----------
    Rendering SLS 'awong_dev_config:mysql' failed: Jinja error: unsupported operand type(s) for +: 'int' and 'str'
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/salt/utils/templates.py", line 413, in render_jinja_tmpl
    output = template.render(**decoded_context)
  File "/usr/lib/python2.7/site-packages/jinja2/environment.py", line 989, in render
    return self.environment.handle_exception(exc_info, True)
  File "/usr/lib/python2.7/site-packages/jinja2/environment.py", line 754, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "<template>", line 29, in top-level template code
TypeError: unsupported operand type(s) for +: 'int' and 'str'

; line 29

---
[...]
{% set MEMTOTAL_MB = salt['grains.get']('mem_total') %}
{% set INNODB_BUFFER_POOL_SIZE_GB = ((MEMTOTAL_MB * 0.75) / 1024)|round|int %}

{% set GLOBAL_BUFFERS_KB = 0 %}
{% for global_buffer in salt['pillar.get']('mysql-configuration-settings:global_buffers') %}
{% set GLOBAL_BUFFERS_KB = GLOBAL_BUFFERS_KB + global_buffer %}    <======================
{% endfor %}