[summerospp]add fluentbit nginx plugin

apis/fluentbit/v1alpha2/clusterinput_types.go

@@ -65,6 +65,8 @@ type InputSpec struct {
 	Collectd *input.Collectd `json:"collectd,omitempty"`
 	// StatsD defines the StatsD input plugin configuration
 	StatsD *input.StatsD `json:"statsd,omitempty"`
+	// Nginx defines the Nginx input plugin configuration
+	Nginx *input.Nginx `json:"nginx,omitempty"`
 }
 
 // +kubebuilder:object:root=true

apis/fluentbit/v1alpha2/plugins/input/nginx.go

@@ -0,0 +1,47 @@
+package input
+
+import (
+	"fmt"
+
+	"github.com/fluent/fluent-operator/v2/apis/fluentbit/v1alpha2/plugins"
+	"github.com/fluent/fluent-operator/v2/apis/fluentbit/v1alpha2/plugins/params"
+)
+
+// +kubebuilder:object:generate:=true
+
+// NGINX Exporter Metrics input plugin scrapes metrics from the NGINX stub status handler. <br />
+// **For full documentation, refer to https://docs.fluentbit.io/manual/pipeline/inputs/nginx**
+type Nginx struct {
+	// Name of the target host or IP address to check, default: localhost
+	Host string `json:"host,omitempty"`
+	// Port of the target nginx service to connect to, default: 80
+	// +kubebuilder:validation:Minimum:=1
+	// +kubebuilder:validation:Maximum:=65535
+	Port *int32 `json:"port,omitempty"`
+	// The URL of the Stub Status Handler,default: /status
+	StatusURL string `json:"statusURL,omitempty"`
+	// Turn on NGINX plus mode,default: true
+	NginxPlus *bool `json:"nginxPlus,omitempty"`
+}
+
+func (_ *Nginx) Name() string {
+	return "nginx_metrics"
+}
+
+// implement Section() method
+func (n *Nginx) Params(_ plugins.SecretLoader) (*params.KVs, error) {
+	kvs := params.NewKVs()
+	if n.Host != "" {
+		kvs.Insert("Host", n.Host)
+	}
+	if n.Port != nil {
+		kvs.Insert("Port", fmt.Sprint(*n.Port))
+	}
+	if n.StatusURL != "" {
+		kvs.Insert("Status_URL", n.StatusURL)
+	}
+	if n.NginxPlus != nil {
+		kvs.Insert("Nginx_Plus", fmt.Sprint(*n.NginxPlus))
+	}
+	return kvs, nil
+}

charts/fluent-operator/charts/fluent-bit-crds/crds/fluentbit.fluent.io_clusterinputs.yaml

@@ -266,6 +266,27 @@ spec:
                     minimum: 1
                     type: integer
                 type: object
+              nginx:
+                description: Nginx defines the Nginx input plugin configuration
+                properties:
+                  host:
+                    description: 'Name of the target host or IP address to check,
+                      default: localhost'
+                    type: string
+                  nginxPlus:
+                    description: 'Turn on NGINX plus mode,default: true'
+                    type: boolean
+                  port:
+                    description: 'Port of the target nginx service to connect to,
+                      default: 80'
+                    format: int32
+                    maximum: 65535
+                    minimum: 1
+                    type: integer
+                  statusURL:
+                    description: 'The URL of the Stub Status Handler,default: /status'
+                    type: string
+                type: object
               nodeExporterMetrics:
                 description: NodeExporterMetrics defines Node Exporter Metrics Input
                   configuration.

config/crd/bases/fluentbit.fluent.io_clusterinputs.yaml

@@ -266,6 +266,27 @@ spec:
                     minimum: 1
                     type: integer
                 type: object
+              nginx:
+                description: Nginx defines the Nginx input plugin configuration
+                properties:
+                  host:
+                    description: 'Name of the target host or IP address to check,
+                      default: localhost'
+                    type: string
+                  nginxPlus:
+                    description: 'Turn on NGINX plus mode,default: true'
+                    type: boolean
+                  port:
+                    description: 'Port of the target nginx service to connect to,
+                      default: 80'
+                    format: int32
+                    maximum: 65535
+                    minimum: 1
+                    type: integer
+                  statusURL:
+                    description: 'The URL of the Stub Status Handler,default: /status'
+                    type: string
+                type: object
               nodeExporterMetrics:
                 description: NodeExporterMetrics defines Node Exporter Metrics Input
                   configuration.

docs/fluentbit.md

@@ -384,6 +384,7 @@ FluentBitSpec defines the desired state of FluentBit
 | priorityClassName | PriorityClassName represents the pod's priority class. | string |
 | volumes | List of volumes that can be mounted by containers belonging to the pod. | []corev1.Volume |
 | volumesMounts | Pod volumes to mount into the container's filesystem. | []corev1.VolumeMount |
+| disableLogVolumes | DisableLogVolumes removes the hostPath mounts for varlibcontainers, varlogs and systemd. | bool |
 | annotations | Annotations to add to each Fluentbit pod. | map[string]string |
 | serviceAccountAnnotations | Annotations to add to the Fluentbit service account | map[string]string |
 | labels | Labels to add to each FluentBit pod | map[string]string |
@@ -400,7 +401,6 @@ FluentBitSpec defines the desired state of FluentBit
 | metricsPort | MetricsPort is the port used by the metrics server. If this option is set, HttpPort from ClusterFluentBitConfig needs to match this value. Default is 2020. | int32 |
 | service | Service represents configurations on the fluent-bit service. | FluentBitService |
 | schedulerName | SchedulerName represents the desired scheduler for fluent-bit pods. | string |
-| disableLogVolumes | DisableLogVolumes removes the hostPath mounts for varlibcontainers, varlogs and systemd. | bool |
 
 [Back to TOC](#table-of-contents)
 # InputSpec
@@ -425,6 +425,7 @@ InputSpec defines the desired state of ClusterInput
 | mqtt | MQTT defines the MQTT input plugin configuration | *[input.MQTT](plugins/input/mqtt.md) |
 | collectd | Collectd defines the Collectd input plugin configuration | *[input.Collectd](plugins/input/collectd.md) |
 | statsd | StatsD defines the StatsD input plugin configuration | *[input.StatsD](plugins/input/statsd.md) |
+| nginx | Nginx defines the Nginx input plugin configuration | *[input.Nginx](plugins/input/nginx.md) |
 
 [Back to TOC](#table-of-contents)
 # NamespacedFluentBitCfgSpec

docs/plugins/fluentbit/input/nginx.md

@@ -0,0 +1,11 @@
+# Nginx
+
+NGINX Exporter Metrics input plugin scrapes metrics from the NGINX stub status handler. <br /> **For full documentation, refer to https://docs.fluentbit.io/manual/pipeline/inputs/nginx**
+
+
+| Field | Description | Scheme |
+| ----- | ----------- | ------ |
+| host | Name of the target host or IP address to check, default: localhost | string |
+| port | Port of the target nginx service to connect to, default: 80 | *int32 |
+| statusURL | The URL of the Stub Status Handler,default: /status | string |
+| nginxPlus | Turn on NGINX plus mode,default: true | *bool |

manifests/setup/fluent-operator-crd.yaml

@@ -2015,6 +2015,27 @@ spec:
                     minimum: 1
                     type: integer
                 type: object
+              nginx:
+                description: Nginx defines the Nginx input plugin configuration
+                properties:
+                  host:
+                    description: 'Name of the target host or IP address to check,
+                      default: localhost'
+                    type: string
+                  nginxPlus:
+                    description: 'Turn on NGINX plus mode,default: true'
+                    type: boolean
+                  port:
+                    description: 'Port of the target nginx service to connect to,
+                      default: 80'
+                    format: int32
+                    maximum: 65535
+                    minimum: 1
+                    type: integer
+                  statusURL:
+                    description: 'The URL of the Stub Status Handler,default: /status'
+                    type: string
+                type: object
               nodeExporterMetrics:
                 description: NodeExporterMetrics defines Node Exporter Metrics Input
                   configuration.

manifests/setup/setup.yaml

@@ -2015,6 +2015,27 @@ spec:
                     minimum: 1
                     type: integer
                 type: object
+              nginx:
+                description: Nginx defines the Nginx input plugin configuration
+                properties:
+                  host:
+                    description: 'Name of the target host or IP address to check,
+                      default: localhost'
+                    type: string
+                  nginxPlus:
+                    description: 'Turn on NGINX plus mode,default: true'
+                    type: boolean
+                  port:
+                    description: 'Port of the target nginx service to connect to,
+                      default: 80'
+                    format: int32
+                    maximum: 65535
+                    minimum: 1
+                    type: integer
+                  statusURL:
+                    description: 'The URL of the Stub Status Handler,default: /status'
+                    type: string
+                type: object
               nodeExporterMetrics:
                 description: NodeExporterMetrics defines Node Exporter Metrics Input
                   configuration.