Files
computer-playbook/group_vars/all/18_resource.yml

48 lines
1.6 KiB
YAML

# Host resources
RESOURCE_HOST_CPUS: "{{ ansible_processor_vcpus | int }}"
RESOURCE_HOST_MEM: "{{ (ansible_memtotal_mb | int) // 1024 }}"
# Reserve for OS
RESOURCE_HOST_RESERVE_CPU: 2
RESOURCE_HOST_RESERVE_MEM: 4
# Available for apps
RESOURCE_AVAIL_CPUS: "{{ (RESOURCE_HOST_CPUS | int) - (RESOURCE_HOST_RESERVE_CPU | int) }}"
RESOURCE_AVAIL_MEM: "{{ (RESOURCE_HOST_MEM | int) - (RESOURCE_HOST_RESERVE_MEM | int) }}"
# Count active docker services (only roles starting with web- or svc-; service counts if enabled==true OR enabled is undefined)
RESOURCE_ACTIVE_DOCKER_CONTAINER_COUNT: >-
{{
applications
| active_docker_container_count(group_names, '^(web-|svc-).*', ensure_min_one=True)
}}
# Per-container fair share (numbers!), later we append 'g' only for the string fields in compose
RESOURCE_CPUS_NUM: >-
{{
[
(
((RESOURCE_AVAIL_CPUS | float) / (RESOURCE_ACTIVE_DOCKER_CONTAINER_COUNT | float))
| round(2)
),
0.5
] | max
}}
RESOURCE_MEM_RESERVATION_NUM: >-
{{
(((RESOURCE_AVAIL_MEM | float) / (RESOURCE_ACTIVE_DOCKER_CONTAINER_COUNT | float)) * 0.7)
| round(1)
}}
RESOURCE_MEM_LIMIT_NUM: >-
{{
(((RESOURCE_AVAIL_MEM | float) / (RESOURCE_ACTIVE_DOCKER_CONTAINER_COUNT | float)) * 1.0)
| round(1)
}}
# Final strings with units for compose defaults (keep numbers above for math elsewhere if needed)
RESOURCE_CPUS: "{{ RESOURCE_CPUS_NUM }}"
RESOURCE_MEM_RESERVATION: "{{ RESOURCE_MEM_RESERVATION_NUM }}g"
RESOURCE_MEM_LIMIT: "{{ RESOURCE_MEM_LIMIT_NUM }}g"
RESOURCE_PIDS_LIMIT: 512