mirror of
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111 lines
4.0 KiB
Go
111 lines
4.0 KiB
Go
package azure
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import (
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"flag"
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"fmt"
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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 is check interval for Azure service discovery.
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var SDCheckInterval = flag.Duration("promscrape.azureSDCheckInterval", 60*time.Second, "Interval for checking for changes in Azure. "+
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"This works only if azure_sd_configs is configured in '-promscrape.config' file. "+
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"See https://docs.victoriametrics.com/sd_configs.html#azure_sd_configs for details")
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// SDConfig represents service discovery config for Azure.
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//
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// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config
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type SDConfig struct {
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Environment string `yaml:"environment,omitempty"`
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// AuthenticationMethod can be either Oauth or ManagedIdentity.
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// See https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview
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AuthenticationMethod string `yaml:"authentication_method,omitempty"`
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SubscriptionID string `yaml:"subscription_id"`
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TenantID string `yaml:"tenant_id,omitempty"`
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ClientID string `yaml:"client_id,omitempty"`
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ClientSecret *promauth.Secret `yaml:"client_secret,omitempty"`
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ResourceGroup string `yaml:"resource_group,omitempty"`
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// RefreshInterval time.Duration `yaml:"refresh_interval"`
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// refresh_interval is obtained from `-promscrape.azureSDCheckInterval` command-line option.
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Port int `yaml:"port"`
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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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}
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// GetLabels returns Azure 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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vms, err := getVirtualMachines(ac)
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if err != nil {
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return nil, err
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}
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return appendMachineLabels(vms, ac.port, sdc), 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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func appendMachineLabels(vms []virtualMachine, port int, sdc *SDConfig) []*promutils.Labels {
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ms := make([]*promutils.Labels, 0, len(vms))
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for i := range vms {
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vm := &vms[i]
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for _, ips := range vm.ipAddresses {
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if ips.privateIP == "" {
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continue
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}
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addr := discoveryutils.JoinHostPort(ips.privateIP, port)
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m := promutils.NewLabels(16)
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m.Add("__address__", addr)
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m.Add("__meta_azure_subscription_id", sdc.SubscriptionID)
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m.Add("__meta_azure_machine_id", vm.ID)
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m.Add("__meta_azure_machine_name", vm.Name)
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m.Add("__meta_azure_machine_location", vm.Location)
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m.Add("__meta_azure_machine_private_ip", ips.privateIP)
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if sdc.TenantID != "" {
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m.Add("__meta_azure_tenant_id", sdc.TenantID)
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}
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// /subscriptions/SUBSCRIPTION_ID/resourceGroups/RESOURCE_GROUP/providers/PROVIDER/TYPE/NAME
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idPath := strings.Split(vm.ID, "/")
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if len(idPath) > 4 {
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m.Add("__meta_azure_machine_resource_group", idPath[4])
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}
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if vm.Properties.StorageProfile.OsDisk.OsType != "" {
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m.Add("__meta_azure_machine_os_type", vm.Properties.StorageProfile.OsDisk.OsType)
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}
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if vm.Properties.OsProfile.ComputerName != "" {
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m.Add("__meta_azure_machine_computer_name", vm.Properties.OsProfile.ComputerName)
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}
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if ips.publicIP != "" {
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m.Add("__meta_azure_machine_public_ip", ips.publicIP)
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}
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if vm.scaleSet != "" {
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m.Add("__meta_azure_machine_scale_set", vm.scaleSet)
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}
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if vm.Properties.HardwareProfile.VMSize != "" {
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m.Add("__meta_azure_machine_size", vm.Properties.HardwareProfile.VMSize)
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}
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for k, v := range vm.Tags {
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m.Add(discoveryutils.SanitizeLabelName("__meta_azure_machine_tag_"+k), v)
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}
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ms = append(ms, m)
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}
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}
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return ms
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}
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