feat: add optional defaults for cpu and memory limit

README.md

@@ -17,6 +17,7 @@ Building and improving this Ansible role have been sponsored by my current and p
 
 - [Requirements](#requirements)
 - [Default Variables](#default-variables)
+  - [alertmanager_cpu_shares](#alertmanager_cpu_shares)
   - [alertmanager_data_retention](#alertmanager_data_retention)
   - [alertmanager_default_folders](#alertmanager_default_folders)
   - [alertmanager_default_labels](#alertmanager_default_labels)
@@ -35,12 +36,17 @@ Building and improving this Ansible role have been sponsored by my current and p
   - [alertmanager_inhibit_rules](#alertmanager_inhibit_rules)
   - [alertmanager_installation](#alertmanager_installation)
   - [alertmanager_listen_address](#alertmanager_listen_address)
+  - [alertmanager_memory_limit](#alertmanager_memory_limit)
+  - [alertmanager_memory_soft_limit](#alertmanager_memory_soft_limit)
+  - [alertmanager_memory_swap](#alertmanager_memory_swap)
   - [alertmanager_network](#alertmanager_network)
+  - [alertmanager_number_of_cpus](#alertmanager_number_of_cpus)
   - [alertmanager_oauth2_access_logging](#alertmanager_oauth2_access_logging)
   - [alertmanager_oauth2_allowed_groups](#alertmanager_oauth2_allowed_groups)
   - [alertmanager_oauth2_client_id](#alertmanager_oauth2_client_id)
   - [alertmanager_oauth2_client_secret](#alertmanager_oauth2_client_secret)
   - [alertmanager_oauth2_cookie_secret](#alertmanager_oauth2_cookie_secret)
+  - [alertmanager_oauth2_cpu_shares](#alertmanager_oauth2_cpu_shares)
   - [alertmanager_oauth2_default_labels](#alertmanager_oauth2_default_labels)
   - [alertmanager_oauth2_default_publish](#alertmanager_oauth2_default_publish)
   - [alertmanager_oauth2_download](#alertmanager_oauth2_download)
@@ -50,7 +56,11 @@ Building and improving this Ansible role have been sponsored by my current and p
   - [alertmanager_oauth2_image](#alertmanager_oauth2_image)
   - [alertmanager_oauth2_keycloak_url](#alertmanager_oauth2_keycloak_url)
   - [alertmanager_oauth2_listen_address](#alertmanager_oauth2_listen_address)
+  - [alertmanager_oauth2_memory_limit](#alertmanager_oauth2_memory_limit)
+  - [alertmanager_oauth2_memory_soft_limit](#alertmanager_oauth2_memory_soft_limit)
+  - [alertmanager_oauth2_memory_swap](#alertmanager_oauth2_memory_swap)
   - [alertmanager_oauth2_network](#alertmanager_oauth2_network)
+  - [alertmanager_oauth2_number_of_cpus](#alertmanager_oauth2_number_of_cpus)
   - [alertmanager_oauth2_provider](#alertmanager_oauth2_provider)
   - [alertmanager_oauth2_pull_image](#alertmanager_oauth2_pull_image)
   - [alertmanager_oauth2_request_logging](#alertmanager_oauth2_request_logging)
@@ -83,6 +93,22 @@ Building and improving this Ansible role have been sponsored by my current and p
 
 ## Default Variables
 
+### alertmanager_cpu_shares
+
+CPU shares with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_cpu_shares:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_cpu_shares: '512'
+```
+
 ### alertmanager_data_retention
 
 Data retention for alertmanager state
@@ -329,6 +355,54 @@ Listen address for the alertmanager
 alertmanager_listen_address: 0.0.0.0:9093
 ```
 
+### alertmanager_memory_limit
+
+Memory limit with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_memory_limit:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_memory_limit: 1024m
+```
+
+### alertmanager_memory_soft_limit
+
+Soft memory limit with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_memory_soft_limit:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_memory_soft_limit: 512m
+```
+
+### alertmanager_memory_swap
+
+Swap usage with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_memory_swap:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_memory_swap: 2048m
+```
+
 ### alertmanager_network
 
 Optional docker network to attach
@@ -339,6 +413,22 @@ Optional docker network to attach
 alertmanager_network:
 ```
 
+### alertmanager_number_of_cpus
+
+Number of CPUs with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_number_of_cpus:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_number_of_cpus: '1.0'
+```
+
 ### alertmanager_oauth2_access_logging
 
 Enable access logging for OAuth2 proxy
@@ -398,6 +488,22 @@ Cookie secret used by OAuth2 proxy
 alertmanager_oauth2_cookie_secret:
 ```
 
+### alertmanager_oauth2_cpu_shares
+
+CPU shares with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_oauth2_cpu_shares:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_oauth2_cpu_shares: '512'
+```
+
 ### alertmanager_oauth2_default_labels
 
 List of default labels to assign to docker on OAuth2 Proxy
@@ -502,6 +608,54 @@ Listem address for the OAuth2 proxy
 alertmanager_oauth2_listen_address: 0.0.0.0:9092
 ```
 
+### alertmanager_oauth2_memory_limit
+
+Memory limit with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_oauth2_memory_limit:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_oauth2_memory_limit: 1024m
+```
+
+### alertmanager_oauth2_memory_soft_limit
+
+Soft memory limit with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_oauth2_memory_soft_limit:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_oauth2_memory_soft_limit: 512m
+```
+
+### alertmanager_oauth2_memory_swap
+
+Swap usage with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_oauth2_memory_swap:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_oauth2_memory_swap: 2048m
+```
+
 ### alertmanager_oauth2_network
 
 Optional docker network to attach on OAuth2 Proxy
@@ -512,6 +666,22 @@ Optional docker network to attach on OAuth2 Proxy
 alertmanager_oauth2_network: '{{ alertmanager_network }}'
 ```
 
+### alertmanager_oauth2_number_of_cpus
+
+Number of CPUs with Docker deployment
+
+#### Default value
+
+```YAML
+alertmanager_oauth2_number_of_cpus:
+```
+
+#### Example usage
+
+```YAML
+alertmanager_oauth2_number_of_cpus: '1.0'
+```
+
 ### alertmanager_oauth2_provider
 
 Provider for OAuth2 authentication

defaults/main.yml

@@ -68,6 +68,26 @@ alertmanager_default_volumes:
 # @end
 alertmanager_extra_volumes: []
 
+# @var alertmanager_memory_limit:description: Memory limit with Docker deployment
+# @var alertmanager_memory_limit:example: $ "1024m"
+alertmanager_memory_limit:
+
+# @var alertmanager_memory_swap:description: Swap usage with Docker deployment
+# @var alertmanager_memory_swap:example: $ "2048m"
+alertmanager_memory_swap:
+
+# @var alertmanager_memory_soft_limit:description: Soft memory limit with Docker deployment
+# @var alertmanager_memory_soft_limit:example: $ "512m"
+alertmanager_memory_soft_limit:
+
+# @var alertmanager_cpu_shares:description: CPU shares with Docker deployment
+# @var alertmanager_cpu_shares:example: $ "512"
+alertmanager_cpu_shares:
+
+# @var alertmanager_number_of_cpus:description: Number of CPUs with Docker deployment
+# @var alertmanager_number_of_cpus:example: $ "1.0"
+alertmanager_number_of_cpus:
+
 # @var alertmanager_default_templates:description: List of default template file definition
 alertmanager_default_templates: []
 
@@ -186,6 +206,26 @@ alertmanager_oauth2_default_labels: []
 # @var alertmanager_oauth2_extra_labels:description: List of extra labels to assign to docker on OAuth2 Proxy
 alertmanager_oauth2_extra_labels: []
 
+# @var alertmanager_oauth2_memory_limit:description: Memory limit with Docker deployment
+# @var alertmanager_oauth2_memory_limit:example: $ "1024m"
+alertmanager_oauth2_memory_limit:
+
+# @var alertmanager_oauth2_memory_swap:description: Swap usage with Docker deployment
+# @var alertmanager_oauth2_memory_swap:example: $ "2048m"
+alertmanager_oauth2_memory_swap:
+
+# @var alertmanager_oauth2_memory_soft_limit:description: Soft memory limit with Docker deployment
+# @var alertmanager_oauth2_memory_soft_limit:example: $ "512m"
+alertmanager_oauth2_memory_soft_limit:
+
+# @var alertmanager_oauth2_cpu_shares:description: CPU shares with Docker deployment
+# @var alertmanager_oauth2_cpu_shares:example: $ "512"
+alertmanager_oauth2_cpu_shares:
+
+# @var alertmanager_oauth2_number_of_cpus:description: Number of CPUs with Docker deployment
+# @var alertmanager_oauth2_number_of_cpus:example: $ "1.0"
+alertmanager_oauth2_number_of_cpus:
+
 # @var alertmanager_oauth2_upstream:description: Upstream target for the OAuth2 proxy
 alertmanager_oauth2_upstream: "http://{{ alertmanager_listen_address if alertmanager_installation == 'native' else 'alertmanager:9093' }}"
 

templates/oauth2/service.j2

@@ -22,6 +22,21 @@ ExecStart=/usr/bin/docker run --rm \
   --name %p \
   --hostname %p \
   --env-file /etc/default/alertmanager-oauth2 \
+{% if alertmanager_oauth2_memory_limit | default(False) %}
+  --memory {{ alertmanager_oauth2_memory_limit }} \
+{% endif %}
+{% if alertmanager_oauth2_memory_swap | default(False) %}
+  --memory-swap {{ alertmanager_oauth2_memory_swap }} \
+{% endif %}
+{% if alertmanager_oauth2_memory_soft_limit | default(False) %}
+  --memory-reservation {{ alertmanager_oauth2_memory_soft_limit }} \
+{% endif %}
+{% if alertmanager_oauth2_cpu_shares | default(False) %}
+  --cpu-shares {{ alertmanager_oauth2_cpu_shares }} \
+{% endif %}
+{% if alertmanager_oauth2_number_of_cpus | default(False) %}
+  --cpus {{ alertmanager_oauth2_number_of_cpus }} \
+{% endif %}
 {% for item in alertmanager_oauth2_default_labels + alertmanager_oauth2_extra_labels %}
   --label {{ item }} \
 {% endfor %}

templates/service.j2

@@ -20,6 +20,21 @@ ExecStart=/usr/bin/docker run --rm \
   --name %p \
   --hostname %p \
   --env-file /etc/default/alertmanager \
+{% if alertmanager_memory_limit | default(False) %}
+  --memory {{ alertmanager_memory_limit }} \
+{% endif %}
+{% if alertmanager_memory_swap | default(False) %}
+  --memory-swap {{ alertmanager_memory_swap }} \
+{% endif %}
+{% if alertmanager_memory_soft_limit | default(False) %}
+  --memory-reservation {{ alertmanager_memory_soft_limit }} \
+{% endif %}
+{% if alertmanager_cpu_shares | default(False) %}
+  --cpu-shares {{ alertmanager_cpu_shares }} \
+{% endif %}
+{% if alertmanager_number_of_cpus | default(False) %}
+  --cpus {{ alertmanager_number_of_cpus }} \
+{% endif %}
 {% for item in alertmanager_default_labels + alertmanager_extra_labels %}
   --label {{ item }} \
 {% endfor %}