[DRAFT] W-14847538 PCE 4.0 Documentation #327
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| You define new alerts using a gravity resource called `alert`, as shown in the following example: | ||
| == Alerting Rules | ||
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| By default prometheus provides a set of alerts which can be found https://github.com/kubernetes-monitoring/kubernetes-mixin/blob/master/runbook.md[here^] |
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| By default prometheus provides a set of alerts which can be found https://github.com/kubernetes-monitoring/kubernetes-mixin/blob/master/runbook.md[here^] | |
| By default, Prometheus provides a set of alerts which can be found https://github.com/kubernetes-monitoring/kubernetes-mixin/blob/master/runbook.md[here^] |
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| == Configure Alerting Rules | ||
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| You define new rules using a prometheus resource called `PrometheusRule`, as shown in the following example: |
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| You define new rules using a prometheus resource called `PrometheusRule`, as shown in the following example: | |
| Define new rules using the `PrometheusRule` resource, as shown in the following example: |
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| . Configure the FROM email address by replacing the <SMTP_FROM> value: | ||
| . Update Alertmanager configuration with the new file: |
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| . Update Alertmanager configuration with the new file: | |
| . Update the Alertmanager configuration with the new file: |
| * Load Balancer: Any source that is outside the cluster. | ||
| * localhost: The port that is used only within the host where the request started. | ||
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| You must ensure that all of the following ports are configured correctly on all nodes. | ||
| You must ensure that all the following ports are configured correctly on all nodes. |
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| You must ensure that all the following ports are configured correctly on all nodes. | |
| Ensure that all the following ports are configured correctly on all nodes. |
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| Ensure that no processes on your system overrides any of these flags. To set a parameter, use `sysctl -w`, as shown in the following example: | ||
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| root$ sysctl -w net.ipv4.ip_forward=1 | ||
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| To make the changes permanent for the next reboot, write the changes to a file under `/etc/sysctl.d`. Replace the setting in the following example with the setting you are configuring. | ||
| To make the changes permanent for the next reboot, write the changes to a file under `/etc/sysctl.d/50-k8s.conf`. Replace the setting in the following example with the setting you are configuring and reload systemd |
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| To make the changes permanent for the next reboot, write the changes to a file under `/etc/sysctl.d/50-k8s.conf`. Replace the setting in the following example with the setting you are configuring and reload systemd | |
| To make the changes permanent for the next reboot, write the changes to a file under `/etc/sysctl.d/50-k8s.conf`. Replace the setting in the following example with the setting you are configuring and reload systemd. |
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