In my Prometheus configuration file, I have the alertmanager_config
section, which includes routes, receivers, and template. However, I'm
facing an issue where the notification emails are always "the same", and in
JSON format, regardless of the template I use or whether templates are
defined. Can you help me with this? Is it possible to receive plain text
notifications with SNS? Am I missing something?
Here's my Prometheus config:
alert_manager_definition = <<-EOT
template_files:
default_template: |
{{ define "sns.default.message" }}"receiver": "{{ .Receiver }}"{{ end }}
{{ define "sns.default.subject" }}[{{ .Status | toUpper }}{{ if eq .Status
"firing" }}:{{ .Alerts.Firing | len }}{{ end }}]{{ end }}
{{ define "__alertmanager" }}AlertManager{{ end }}
{{ define "__alertmanagerURL" }}{{ .ExternalURL }}/#/alerts?receiver={{
.Receiver | urlquery }}{{ end }}
alertmanager_config: |
global:
templates:
- 'default_template'
route:
receiver: test-grafana
group_wait: 30s
group_interval: 5m
repeat_interval: 10m
group_by: [environment, alertname]
routes:
- receiver: 'grafana-test'
group_wait: 10s
matchers:
- alert_group="node_exporter"
- receiver: 'test-grafana'
group_wait: 10s
matchers:
- alert_group="otelcol"
receivers:
- name: 'test-grafana'
sns_configs:
- topic_arn: my-sns-topic
sigv4:
region: eu-central-1
- name: 'grafana-test'
sns_configs:
- topic_arn: my-sns-topic
sigv4:
region: eu-central-1
EOT
Also tried somethings like these already:
alert_manager_definition = <<-EOT
alertmanager_config: |
route:
receiver: test-grafana
group_wait: 30s
group_interval: 5m
repeat_interval: 10m
group_by: [environment, alertname]
routes:
- receiver: 'grafana-test'
group_wait: 10s
matchers:
- alert_group="node_exporter"
- receiver: 'test-grafana'
group_wait: 10s
matchers:
- alert_group="otelcol"
receivers:
- name: 'test-grafana'
sns_configs:
- topic_arn: my-sns-topic
sigv4:
region: eu-central-1
- name: 'grafana-test'
sns_configs:
- topic_arn: my-sns-topic
sigv4:
region: eu-central-1
EOT
alert_manager_definition = <<-EOT
alertmanager_config: |
route:
receiver: test-grafana
group_wait: 30s
group_interval: 5m
repeat_interval: 10m
group_by: [environment, alertname]
routes:
- receiver: 'grafana-test'
group_wait: 10s
matchers:
- alert_group="custom_exporter"
- receiver: 'test-grafana'
group_wait: 10s
matchers:
- alert_group="otelcol"
receivers:
- name: 'test-grafana'
sns_configs:
- topic_arn: my-sns-topic
message: 'There are {{ len .Alerts.Firing }} firing alerts, and {{ len
.Alerts.Resolved }} resolved alerts'
sigv4:
region: eu-central-1
attributes:
test-am: prometheus
- name: 'grafana-test'
sns_configs:
- topic_arn: my-sns-topic
sigv4:
region: eu-central-1
attributes:
test-am: amprometheus
EOT
For all configs showed above, the email notification was alwyas the same,
in Json format.
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