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This commit is contained in:
Markus Pesch
2025-05-27 22:21:43 +02:00
parent 3cea56ef58
commit 99ac3e0b6b
2 changed files with 28 additions and 25 deletions
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17
README.md
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@@ -3,8 +3,10 @@
[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/prometheus-exporters)](https://artifacthub.io/packages/search?repo=prometheus-exporters) [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/prometheus-exporters)](https://artifacthub.io/packages/search?repo=prometheus-exporters)
> [!NOTE] > [!NOTE]
> This is not the official *community* helm chart of the Prometheus metric exporter for PostgreSQL databases. You can > This is not the official *community* helm chart of the Prometheus metric exporter for PostgreSQL databases. If you are
> find the official community chart [here](https://github.com/prometheus-community/helm-charts). > looking for the official helm chart, checkout the GitHub project
> [helm-charts](https://github.com/prometheus-community/helm-charts) of the [Prometheus
> community](https://github.com/prometheus-community).
This helm chart enables the deployment of a Prometheus metrics exporter for PostgreSQL databases and allows the This helm chart enables the deployment of a Prometheus metrics exporter for PostgreSQL databases and allows the
individual configuration of additional containers/initContainers, mounting of volumes, defining additional environment individual configuration of additional containers/initContainers, mounting of volumes, defining additional environment
@@ -19,7 +21,7 @@ helm chart is tested for deployment scenarios with **ArgoCD**.
## Helm: configuration and installation ## Helm: configuration and installation
1. A helm chart repository must be configured, to pull the helm charts from. 1. A helm chart repository must be configured, to pull the helm charts from.
2. All available parameters are [here](#parameters) in detail documented. The parameters can be defined via the helm 2. All available [parameters](#parameters) are documented in detail below. The parameters can be defined via the helm
`--set` flag or directly as part of a `values.yaml` file. The following example defines the `prometheus-exporter` `--set` flag or directly as part of a `values.yaml` file. The following example defines the `prometheus-exporter`
repository and use the `--set` flag for a basic deployment. repository and use the `--set` flag for a basic deployment.
@@ -73,7 +75,8 @@ available. As this is a Golang application, this can be implemented using `GOMAX
of defining `GOMAXPROCS` automatically based on the defined CPU limit like `1000m`. Please keep in mind, that the CFS of defining `GOMAXPROCS` automatically based on the defined CPU limit like `1000m`. Please keep in mind, that the CFS
rate of `100ms` - default on each kubernetes node, is also very important to avoid CPU throttling. rate of `100ms` - default on each kubernetes node, is also very important to avoid CPU throttling.
Further information about this topic can be found [here](https://kanishk.io/posts/cpu-throttling-in-containerized-go-apps/). Further information about this topic can be found in one of Kanishk's blog
[posts](https://kanishk.io/posts/cpu-throttling-in-containerized-go-apps/).
> [!NOTE] > [!NOTE]
> The environment variable `GOMAXPROCS` is set automatically, when a CPU limit is defined. An explicit configuration is > The environment variable `GOMAXPROCS` is set automatically, when a CPU limit is defined. An explicit configuration is
@@ -269,7 +272,7 @@ networkPolicies:
### Configuration ### Configuration
| Name | Description | Value | | Name | Description | Value |
| ------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- | | ------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------- |
| `config.database.existingSecret.enabled` | Mount an existing secret containing the application specific `DATA_SOURCE_` prefixed environment variables. | `false` | | `config.database.existingSecret.enabled` | Mount an existing secret containing the application specific `DATA_SOURCE_` prefixed environment variables. | `false` |
| `config.database.existingSecret.secretName` | Name of the existing secret containing the application specific `DATA_SOURCE_` prefixed environment variables. | `""` | | `config.database.existingSecret.secretName` | Name of the existing secret containing the application specific `DATA_SOURCE_` prefixed environment variables. | `""` |
| `config.database.secret.annotations` | Additional annotations of the secret containing the database credentials. | `{}` | | `config.database.secret.annotations` | Additional annotations of the secret containing the database credentials. | `{}` |
@@ -281,12 +284,12 @@ networkPolicies:
| `config.exporterConfig.existingSecret.secretName` | Name of the existing secret containing the key `exporterConfig.yaml`. | `""` | | `config.exporterConfig.existingSecret.secretName` | Name of the existing secret containing the key `exporterConfig.yaml`. | `""` |
| `config.exporterConfig.secret.annotations` | Additional annotations of the secret containing the `exporterConfig.yaml`. | `{}` | | `config.exporterConfig.secret.annotations` | Additional annotations of the secret containing the `exporterConfig.yaml`. | `{}` |
| `config.exporterConfig.secret.labels` | Additional labels of the secret containing the `exporterConfig.yaml`. | `{}` | | `config.exporterConfig.secret.labels` | Additional labels of the secret containing the `exporterConfig.yaml`. | `{}` |
| `config.exporterConfig.secret.exporterConfig` | Content of the `exporterConfig.yaml`. Further information can be found [here](https://github.com/prometheus-community/postgres_exporter?tab=readme-ov-file#multi-target-support-beta). | `{}` | | `config.exporterConfig.secret.exporterConfig` | Content of the `exporterConfig.yaml`. Further information can be found in the [README](https://github.com/prometheus-community/postgres_exporter?tab=readme-ov-file#multi-target-support-beta) file of the Postgres exporter binary. | `{}` |
| `config.webConfig.existingSecret.enabled` | Mount an existing secret containing the key `webConfig.yaml`. | `false` | | `config.webConfig.existingSecret.enabled` | Mount an existing secret containing the key `webConfig.yaml`. | `false` |
| `config.webConfig.existingSecret.secretName` | Name of the existing secret containing the key `webConfig.yaml`. | `""` | | `config.webConfig.existingSecret.secretName` | Name of the existing secret containing the key `webConfig.yaml`. | `""` |
| `config.webConfig.secret.annotations` | Additional annotations of the secret containing the `webConfig.yaml`. | `{}` | | `config.webConfig.secret.annotations` | Additional annotations of the secret containing the `webConfig.yaml`. | `{}` |
| `config.webConfig.secret.labels` | Additional labels of the secret containing the `webConfig.yaml`. | `{}` | | `config.webConfig.secret.labels` | Additional labels of the secret containing the `webConfig.yaml`. | `{}` |
| `config.webConfig.secret.webConfig` | Content of the `webConfig.yaml`. Further information can be found [here](https://prometheus.io/docs/prometheus/latest/configuration/https/). | `{}` | | `config.webConfig.secret.webConfig` | Content of the `webConfig.yaml`. Further [documentation](https://prometheus.io/docs/prometheus/latest/configuration/https/) is available on the official Prometheus website. | `{}` |
### Deployment ### Deployment

4
values.yaml
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@@ -35,7 +35,7 @@ config:
## @param config.exporterConfig.secret.annotations Additional annotations of the secret containing the `exporterConfig.yaml`. ## @param config.exporterConfig.secret.annotations Additional annotations of the secret containing the `exporterConfig.yaml`.
## @param config.exporterConfig.secret.labels Additional labels of the secret containing the `exporterConfig.yaml`. ## @param config.exporterConfig.secret.labels Additional labels of the secret containing the `exporterConfig.yaml`.
## @param config.exporterConfig.secret.exporterConfig Content of the `exporterConfig.yaml`. Further information can be found [here](https://github.com/prometheus-community/postgres_exporter?tab=readme-ov-file#multi-target-support-beta). ## @param config.exporterConfig.secret.exporterConfig Content of the `exporterConfig.yaml`. Further information can be found in the [README](https://github.com/prometheus-community/postgres_exporter?tab=readme-ov-file#multi-target-support-beta) file of the Postgres exporter binary.
## @skip config.exporterConfig.secret.exporterConfig Skip individual postgres exporter configuration. ## @skip config.exporterConfig.secret.exporterConfig Skip individual postgres exporter configuration.
secret: secret:
annotations: {} annotations: {}
@@ -59,7 +59,7 @@ config:
## @param config.webConfig.secret.annotations Additional annotations of the secret containing the `webConfig.yaml`. ## @param config.webConfig.secret.annotations Additional annotations of the secret containing the `webConfig.yaml`.
## @param config.webConfig.secret.labels Additional labels of the secret containing the `webConfig.yaml`. ## @param config.webConfig.secret.labels Additional labels of the secret containing the `webConfig.yaml`.
## @param config.webConfig.secret.webConfig Content of the `webConfig.yaml`. Further information can be found [here](https://prometheus.io/docs/prometheus/latest/configuration/https/). ## @param config.webConfig.secret.webConfig Content of the `webConfig.yaml`. Further [documentation](https://prometheus.io/docs/prometheus/latest/configuration/https/) is available on the official Prometheus website.
## @skip config.webConfig.secret.webConfig Skip individual web configuration. ## @skip config.webConfig.secret.webConfig Skip individual web configuration.
secret: secret:
annotations: {} annotations: {}