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d5dddb0953
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode . See https://blog.golang.org/go1.13-errors for details.
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package kubernetes
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import (
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"fmt"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
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)
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// SDConfig represents kubernetes-based service discovery config.
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//
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// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config
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type SDConfig struct {
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APIServer string `yaml:"api_server"`
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Role string `yaml:"role"`
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BasicAuth *promauth.BasicAuthConfig `yaml:"basic_auth"`
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BearerToken string `yaml:"bearer_token"`
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BearerTokenFile string `yaml:"bearer_token_file"`
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TLSConfig *promauth.TLSConfig `yaml:"tls_config"`
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Namespaces Namespaces `yaml:"namespaces"`
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Selectors []Selector `yaml:"selectors"`
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}
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// Namespaces represents namespaces for SDConfig
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type Namespaces struct {
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Names []string `yaml:"names"`
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}
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// Selector represents kubernetes selector.
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//
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// See https://kubernetes.io/docs/concepts/overview/working-with-objects/field-selectors/
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// and https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
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type Selector struct {
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Role string `yaml:"role"`
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Label string `yaml:"label"`
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Field string `yaml:"field"`
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}
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// GetLabels returns labels for the given sdc and baseDir.
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func GetLabels(sdc *SDConfig, baseDir string) ([]map[string]string, error) {
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cfg, err := getAPIConfig(sdc, baseDir)
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if err != nil {
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return nil, fmt.Errorf("cannot create API config: %w", err)
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}
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switch sdc.Role {
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case "node":
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return getNodesLabels(cfg)
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case "service":
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return getServicesLabels(cfg)
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case "pod":
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return getPodsLabels(cfg)
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case "endpoints":
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return getEndpointsLabels(cfg)
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case "ingress":
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return getIngressesLabels(cfg)
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default:
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return nil, fmt.Errorf("unexpected `role`: %q; must be one of `node`, `service`, `pod`, `endpoints` or `ingress`; skipping it", sdc.Role)
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}
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}
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