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f3be3573e7
- Sort the discovered labels in alphabetical order at https://docs.victoriametrics.com/sd_configs/#vultr_sd_configs - Rename VultrConfigs to VultrSDConfigs to be consistent with the naming for other SD configs. - Prepare query arg filters for `list instances API` at newAPIConfig() instead of passing them in a separate listParams struct. This simplifies the code a bit. - Return error when bearer token isn't set at vultr_sd_configs, since this token is mandatory according to https://docs.victoriametrics.com/sd_configs/#vultr_sd_configs - Remove unused fields from the parsed response from Vultr list instances API in order to simplify the code a bit. - Remove double logging of errors inside getInstances() function, since these errors must be already logged by the caller. - Simplify tests, so they are easier to maintain. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6041 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6068
105 lines
3.9 KiB
Go
105 lines
3.9 KiB
Go
package vultr
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import (
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"flag"
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/proxy"
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)
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// SDCheckInterval defines interval for Vultr targets refresh.
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var SDCheckInterval = flag.Duration("promscrape.vultrSDCheckInterval", 30*time.Second, "Interval for checking for changes in Vultr. "+
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"This works only if vultr_sd_configs is configured in '-promscrape.config' file. "+
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"See https://docs.victoriametrics.com/sd_configs.html#vultr_sd_configs for details")
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// SDConfig represents service discovery config for Vultr.
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//
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// See: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#vultr_sd_config
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// Additional query params are supported, while Prometheus only supports `Port` and HTTP auth.
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type SDConfig struct {
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// API query params for filtering. All of them are optional.
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// See: https://www.vultr.com/api/#tag/instances/operation/list-instances
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Label string `yaml:"label,omitempty"`
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MainIP string `yaml:"main_ip,omitempty"`
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Region string `yaml:"region,omitempty"`
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FirewallGroupID string `yaml:"firewall_group_id,omitempty"`
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Hostname string `yaml:"hostname,omitempty"`
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// The port to scrape metrics from. Default 80.
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Port int `yaml:"port"`
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// General HTTP / Auth configs.
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HTTPClientConfig promauth.HTTPClientConfig `yaml:",inline"`
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ProxyURL *proxy.URL `yaml:"proxy_url,omitempty"`
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ProxyClientConfig promauth.ProxyClientConfig `yaml:",inline"`
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// refresh_interval is obtained from `-promscrape.vultrSDCheckInterval` command-line option.
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}
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var configMap = discoveryutils.NewConfigMap()
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// GetLabels returns gce labels according to sdc.
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func (sdc *SDConfig) GetLabels(baseDir string) ([]*promutils.Labels, error) {
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ac, err := getAPIConfig(sdc, baseDir)
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if err != nil {
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return nil, fmt.Errorf("cannot get API config: %w", err)
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}
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instances, err := getInstances(ac)
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if err != nil {
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return nil, err
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}
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return getInstanceLabels(instances, ac.port), nil
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}
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// MustStop stops further usage for sdc.
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func (sdc *SDConfig) MustStop() {
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_ = configMap.Delete(sdc)
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}
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// getInstanceLabels returns labels for vultr instances obtained from the given cfg
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func getInstanceLabels(instances []Instance, port int) []*promutils.Labels {
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ms := make([]*promutils.Labels, 0, len(instances))
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for _, instance := range instances {
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m := promutils.NewLabels(18)
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m.Add("__address__", discoveryutils.JoinHostPort(instance.MainIP, port))
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m.Add("__meta_vultr_instance_allowed_bandwidth_gb", strconv.Itoa(instance.AllowedBandwidth))
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m.Add("__meta_vultr_instance_disk_gb", strconv.Itoa(instance.Disk))
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m.Add("__meta_vultr_instance_hostname", instance.Hostname)
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m.Add("__meta_vultr_instance_id", instance.ID)
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m.Add("__meta_vultr_instance_internal_ip", instance.InternalIP)
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m.Add("__meta_vultr_instance_label", instance.Label)
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m.Add("__meta_vultr_instance_main_ip", instance.MainIP)
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m.Add("__meta_vultr_instance_main_ipv6", instance.V6MainIP)
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m.Add("__meta_vultr_instance_os", instance.OS)
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m.Add("__meta_vultr_instance_os_id", strconv.Itoa(instance.OSID))
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m.Add("__meta_vultr_instance_plan", instance.Plan)
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m.Add("__meta_vultr_instance_region", instance.Region)
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m.Add("__meta_vultr_instance_ram_mb", strconv.Itoa(instance.RAM))
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m.Add("__meta_vultr_instance_server_status", instance.ServerStatus)
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m.Add("__meta_vultr_instance_vcpu_count", strconv.Itoa(instance.VCPUCount))
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if len(instance.Features) > 0 {
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m.Add("__meta_vultr_instance_features", joinStrings(instance.Features))
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}
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if len(instance.Tags) > 0 {
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m.Add("__meta_vultr_instance_tags", joinStrings(instance.Tags))
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}
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ms = append(ms, m)
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}
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return ms
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}
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func joinStrings(a []string) string {
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return "," + strings.Join(a, ",") + ","
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}
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