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flow: Add otelcol.receiver.vcenter component (grafana#5715)
Co-authored-by: Paulin Todev <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package otelcol | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "time" | ||
|
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| scraperhelper "go.opentelemetry.io/collector/receiver/scraperhelper" | ||
| ) | ||
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| var ( | ||
| errNonPositiveInterval = errors.New("requires positive value") | ||
| errGreaterThanZero = errors.New("requires a value greater than zero") | ||
| ) | ||
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| // ScraperControllerArguments defines common settings for a scraper controller | ||
| // configuration. | ||
| type ScraperControllerArguments struct { | ||
| CollectionInterval time.Duration `river:"collection_interval,attr,optional"` | ||
| InitialDelay time.Duration `river:"initial_delay,attr,optional"` | ||
| Timeout time.Duration `river:"timeout,attr,optional"` | ||
| } | ||
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| // DefaultScraperControllerArguments holds default settings for ScraperControllerArguments. | ||
| var DefaultScraperControllerArguments = ScraperControllerArguments{ | ||
| CollectionInterval: time.Minute, | ||
| InitialDelay: time.Second, | ||
| Timeout: 0 * time.Second, | ||
| } | ||
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| // SetToDefault implements river.Defaulter. | ||
| func (args *ScraperControllerArguments) SetToDefault() { | ||
| *args = DefaultScraperControllerArguments | ||
| } | ||
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| // Convert converts args into the upstream type. | ||
| func (args *ScraperControllerArguments) Convert() *scraperhelper.ScraperControllerSettings { | ||
| if args == nil { | ||
| return nil | ||
| } | ||
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| return &scraperhelper.ScraperControllerSettings{ | ||
| CollectionInterval: args.CollectionInterval, | ||
| InitialDelay: args.InitialDelay, | ||
| Timeout: args.Timeout, | ||
| } | ||
| } | ||
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| // Validate returns an error if args is invalid. | ||
| func (args *ScraperControllerArguments) Validate() error { | ||
| if args.CollectionInterval <= 0 { | ||
| return fmt.Errorf(`"collection_interval": %w`, errNonPositiveInterval) | ||
| } | ||
| if args.Timeout < 0 { | ||
| return fmt.Errorf(`"timeout": %w`, errGreaterThanZero) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,42 @@ | ||
| package vcenter | ||
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| import ( | ||
| "testing" | ||
| "time" | ||
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| "github.com/grafana/river" | ||
| "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/vcenterreceiver" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| func TestArguments_UnmarshalRiver(t *testing.T) { | ||
| in := ` | ||
| endpoint = "http://localhost:1234" | ||
| username = "user" | ||
| password = "pass" | ||
| collection_interval = "2m" | ||
| output { /* no-op */ } | ||
| ` | ||
|
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| var args Arguments | ||
| require.NoError(t, river.Unmarshal([]byte(in), &args)) | ||
| args.Convert() | ||
| ext, err := args.Convert() | ||
| require.NoError(t, err) | ||
| otelArgs, ok := (ext).(*vcenterreceiver.Config) | ||
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| require.True(t, ok) | ||
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| require.Equal(t, "user", otelArgs.Username) | ||
| require.Equal(t, "pass", string(otelArgs.Password)) | ||
| require.Equal(t, "http://localhost:1234", otelArgs.Endpoint) | ||
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| require.Equal(t, 2*time.Minute, otelArgs.ScraperControllerSettings.CollectionInterval) | ||
| require.Equal(t, time.Second, otelArgs.ScraperControllerSettings.InitialDelay) | ||
| require.Equal(t, 0*time.Second, otelArgs.ScraperControllerSettings.Timeout) | ||
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| require.Equal(t, true, otelArgs.Metrics.VcenterClusterCPUEffective.Enabled) | ||
| require.Equal(t, false, otelArgs.Metrics.VcenterVMMemoryUtilization.Enabled) | ||
| require.Equal(t, true, otelArgs.ResourceAttributes.VcenterClusterName.Enabled) | ||
| } |
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docs/sources/flow/reference/components/otelcol.receiver.vcenter.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| --- | ||
| aliases: | ||
| - /docs/grafana-cloud/agent/flow/reference/components/otelcol.receiver.vcenter/ | ||
| - /docs/grafana-cloud/monitor-infrastructure/agent/flow/reference/components/otelcol.receiver.vcenter/ | ||
| - /docs/grafana-cloud/monitor-infrastructure/integrations/agent/flow/reference/components/otelcol.receiver.vcenter/ | ||
| canonical: https://grafana.com/docs/agent/latest/flow/reference/components/otelcol.receiver.vcenter/ | ||
| title: otelcol.receiver.vcenter | ||
| description: Learn about otelcol.receiver.vcenter | ||
| labels: | ||
| stage: experimental | ||
| --- | ||
|
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| # otelcol.receiver.vcenter | ||
|
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| {{< docs/shared lookup="flow/stability/experimental.md" source="agent" version="<AGENT VERSION>" >}} | ||
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| `otelcol.receiver.vcenter` accepts metrics from a | ||
| vCenter or ESXi host running VMware vSphere APIs and | ||
| forwards it to other `otelcol.*` components. | ||
|
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| > **NOTE**: `otelcol.receiver.vcenter` is a wrapper over the upstream | ||
| > OpenTelemetry Collector `vcenter` receiver from the `otelcol-contrib` | ||
| > distribution. Bug reports or feature requests will be redirected to the | ||
| > upstream repository, if necessary. | ||
| Multiple `otelcol.receiver.vcenter` components can be specified by giving them | ||
| different labels. | ||
|
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| The full list of metrics that can be collected can be found in [vcenter receiver documentation][vcenter metrics]. | ||
|
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| [vcenter metrics]: https://github.com/open-telemetry/opentelemetry-collector/blob/{{< param "OTEL_VERSION" >}}/receiver/vcenterreceiver/documentation.md | ||
|
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| ## Prerequisites | ||
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| This receiver has been built to support ESXi and vCenter versions: | ||
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| - 7.5 | ||
| - 7.0 | ||
| - 6.7 | ||
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| A “Read Only” user assigned to a vSphere with permissions to the vCenter server, cluster and all subsequent resources being monitored must be specified in order for the receiver to retrieve information about them. | ||
|
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| ## Usage | ||
|
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| ```river | ||
| otelcol.receiver.vcenter "LABEL" { | ||
| endpoint = "VCENTER_ENDPOINT" | ||
| username = "VCENTER_USERNAME" | ||
| password = "VCENTER_PASSWORD" | ||
| output { | ||
| metrics = [...] | ||
| } | ||
| } | ||
| ``` | ||
|
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| ## Arguments | ||
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| `otelcol.receiver.vcenter` supports the following arguments: | ||
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| Name | Type | Description | Default | Required | ||
| ---- | ---- | ----------- | ------- | -------- | ||
| `endpoint` | `string` | Endpoint to a vCenter Server or ESXi host which has the SDK path enabled. | | yes | ||
| `username` | `string` | Username to use for authentication. | | yes | ||
| `password` | `string` | Password to use for authentication. | | yes | ||
| `collection_interval` | `duration` | Defines how often to collect metrics. | `"1m"` | no | ||
| `initial_delay` | `duration` | Defines how long this receiver waits before starting. | `"1s"` | no | ||
| `timeout` | `duration` | Defines the timeout for the underlying HTTP client. | `"0s"` | no | ||
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| `endpoint` has the format `<protocol>://<hostname>`. For example, `https://vcsa.hostname.localnet`. | ||
|
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| ## Blocks | ||
|
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| The following blocks are supported inside the definition of | ||
| `otelcol.receiver.vcenter`: | ||
|
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| Hierarchy | Block | Description | Required | ||
| --------- | ----- | ----------- | -------- | ||
| tls | [tls][] | Configures TLS for the HTTP client. | no | ||
| debug_metrics | [debug_metrics][] | Configures the metrics that this component generates to monitor its state. | no | ||
| output | [output][] | Configures where to send received telemetry data. | yes | ||
|
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| [tls]: #tls-block | ||
| [debug_metrics]: #debug_metrics-block | ||
| [output]: #output-block | ||
|
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| ### tls block | ||
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| The `tls` block configures TLS settings used for a server. If the `tls` block | ||
| isn't provided, TLS won't be used for connections to the server. | ||
|
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| {{< docs/shared lookup="flow/reference/components/otelcol-tls-config-block.md" source="agent" version="<AGENT VERSION>" >}} | ||
|
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| ### debug_metrics block | ||
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| {{< docs/shared lookup="flow/reference/components/otelcol-debug-metrics-block.md" source="agent" version="<AGENT VERSION>" >}} | ||
|
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| ### output block | ||
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| {{< docs/shared lookup="flow/reference/components/output-block.md" source="agent" version="<AGENT VERSION>" >}} | ||
|
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| ## Exported fields | ||
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| `otelcol.receiver.vcenter` does not export any fields. | ||
|
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| ## Component health | ||
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| `otelcol.receiver.vcenter` is only reported as unhealthy if given an invalid | ||
| configuration. | ||
|
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| ## Debug information | ||
|
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| `otelcol.receiver.vcenter` does not expose any component-specific debug | ||
| information. | ||
|
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| ## Example | ||
|
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| This example forwards received telemetry data through a batch processor before | ||
| finally sending it to an OTLP-capable endpoint: | ||
|
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| ```river | ||
| otelcol.receiver.vcenter "default" { | ||
| endpoint = "http://localhost:15672" | ||
| username = "otelu" | ||
| password = "password" | ||
| output { | ||
| metrics = [otelcol.processor.batch.default.input] | ||
| } | ||
| } | ||
| otelcol.processor.batch "default" { | ||
| output { | ||
| metrics = [otelcol.exporter.otlp.default.input] | ||
| } | ||
| } | ||
| otelcol.exporter.otlp "default" { | ||
| client { | ||
| endpoint = env("OTLP_ENDPOINT") | ||
| } | ||
| } |
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