Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/consul/consul.go

@@ -0,0 +1,151 @@
+//go:generate ../../../tools/readme_config_includer/generator
+package consul
+
+import (
+	_ "embed"
+	"net/http"
+	"strings"
+
+	"github.com/hashicorp/consul/api"
+
+	"github.com/influxdata/telegraf"
+	telegraf_config "github.com/influxdata/telegraf/config"
+	"github.com/influxdata/telegraf/plugins/common/tls"
+	"github.com/influxdata/telegraf/plugins/inputs"
+)
+
+//go:embed sample.conf
+var sampleConfig string
+
+type Consul struct {
+	Address       string `toml:"address"`
+	Scheme        string `toml:"scheme"`
+	Token         string `toml:"token"`
+	Username      string `toml:"username"`
+	Password      string `toml:"password"`
+	Datacentre    string `toml:"datacentre" deprecated:"1.10.0;1.35.0;use 'datacenter' instead"`
+	Datacenter    string `toml:"datacenter"`
+	TagDelimiter  string `toml:"tag_delimiter"`
+	MetricVersion int    `toml:"metric_version"`
+	Log           telegraf.Logger
+	tls.ClientConfig
+
+	// client used to connect to Consul agent
+	client *api.Client
+}
+
+func (*Consul) SampleConfig() string {
+	return sampleConfig
+}
+
+func (c *Consul) Init() error {
+	if c.MetricVersion != 2 {
+		telegraf_config.PrintOptionValueDeprecationNotice("inputs.consul", "metric_version", 1,
+			telegraf.DeprecationInfo{
+				Since:     "1.16.0",
+				RemovalIn: "1.40.0",
+				Notice:    `please update to 'metric_version = 2'`,
+			},
+		)
+	}
+
+	config := api.DefaultConfig()
+
+	if c.Address != "" {
+		config.Address = c.Address
+	}
+
+	if c.Scheme != "" {
+		config.Scheme = c.Scheme
+	}
+
+	if c.Datacentre != "" {
+		config.Datacenter = c.Datacentre
+	}
+
+	if c.Datacenter != "" {
+		config.Datacenter = c.Datacenter
+	}
+
+	if c.Token != "" {
+		config.Token = c.Token
+	}
+
+	if c.Username != "" {
+		config.HttpAuth = &api.HttpBasicAuth{
+			Username: c.Username,
+			Password: c.Password,
+		}
+	}
+
+	tlsCfg, err := c.ClientConfig.TLSConfig()
+	if err != nil {
+		return err
+	}
+
+	config.Transport = &http.Transport{
+		TLSClientConfig: tlsCfg,
+	}
+
+	c.client, err = api.NewClient(config)
+	return err
+}
+
+func (c *Consul) Gather(acc telegraf.Accumulator) error {
+	checks, _, err := c.client.Health().State("any", nil)
+
+	if err != nil {
+		return err
+	}
+
+	c.gatherHealthCheck(acc, checks)
+
+	return nil
+}
+
+func (c *Consul) gatherHealthCheck(acc telegraf.Accumulator, checks []*api.HealthCheck) {
+	for _, check := range checks {
+		record := make(map[string]interface{})
+		tags := make(map[string]string)
+
+		record["passing"] = 0
+		record["critical"] = 0
+		record["warning"] = 0
+		record[check.Status] = 1
+
+		if c.MetricVersion == 2 {
+			tags["check_name"] = check.Name
+			tags["service_id"] = check.ServiceID
+			tags["status"] = check.Status
+		} else {
+			record["check_name"] = check.Name
+			record["service_id"] = check.ServiceID
+			record["status"] = check.Status
+		}
+
+		tags["node"] = check.Node
+		tags["service_name"] = check.ServiceName
+		tags["check_id"] = check.CheckID
+
+		for _, checkTag := range check.ServiceTags {
+			if c.TagDelimiter != "" {
+				splittedTag := strings.SplitN(checkTag, c.TagDelimiter, 2)
+				if len(splittedTag) == 1 && checkTag != "" {
+					tags[checkTag] = checkTag
+				} else if len(splittedTag) == 2 && splittedTag[1] != "" {
+					tags[splittedTag[0]] = splittedTag[1]
+				}
+			} else if checkTag != "" {
+				tags[checkTag] = checkTag
+			}
+		}
+
+		acc.AddFields("consul_health_checks", record, tags)
+	}
+}
+
+func init() {
+	inputs.Add("consul", func() telegraf.Input {
+		return &Consul{}
+	})
+}