mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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03a97dc678
* added hetzner robot and hetzner cloud sd configs * remove gettoken fun and update docs * Updated CHANGELOG and vmagent docs * Updated CHANGELOG and vmagent docs --------- Co-authored-by: Nikolay <nik@victoriametrics.com>
97 lines
2.9 KiB
Go
97 lines
2.9 KiB
Go
package hetzner
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import (
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"encoding/json"
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"fmt"
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"net"
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"strings"
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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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)
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type robotServersList struct {
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Servers []RobotServerResponse
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}
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type RobotServerResponse struct {
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Server RobotServer `json:"server"`
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}
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// HcloudServer represents the structure of hetzner robot server data.
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type RobotServer struct {
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ServerIP string `json:"server_ip"`
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ServerIPV6 string `json:"server_ipv6_net"`
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ServerNumber int `json:"server_number"`
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ServerName string `json:"server_name"`
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DC string `json:"dc"`
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Status string `json:"status"`
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Product string `json:"product"`
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Canceled bool `json:"cancelled"`
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Subnet []RobotSubnet `json:"subnet"`
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}
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// HcloudServer represents the structure of hetzner robot subnet data.
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type RobotSubnet struct {
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IP string `json:"ip"`
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Mask string `json:"mask"`
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}
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func getRobotServerLabels(cfg *apiConfig) ([]*promutils.Labels, error) {
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servers, err := getRobotServers(cfg)
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if err != nil {
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return nil, err
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}
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var ms []*promutils.Labels
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for _, server := range servers.Servers {
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ms = server.appendTargetLabels(ms, cfg.port)
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}
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return ms, nil
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}
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// parseRobotServersList parses robotServersList from data.
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func parseRobotServersList(data []byte) (*robotServersList, error) {
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var servers robotServersList
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err := json.Unmarshal(data, &servers.Servers)
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if err != nil {
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return nil, fmt.Errorf("cannot unmarshal robotServersList from %q: %w", data, err)
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}
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return &servers, nil
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}
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func getRobotServers(cfg *apiConfig) (*robotServersList, error) {
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s, err := cfg.client.GetAPIResponse("/server")
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if err != nil {
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return nil, fmt.Errorf("cannot query hetzner robot api for servers: %w", err)
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}
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servers, err := parseRobotServersList(s)
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if err != nil {
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return nil, err
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}
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return servers, nil
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}
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func (server *RobotServerResponse) appendTargetLabels(ms []*promutils.Labels, port int) []*promutils.Labels {
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addr := discoveryutils.JoinHostPort(server.Server.ServerIP, port)
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m := promutils.NewLabels(16)
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m.Add("__address__", addr)
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m.Add("__meta_hetzner_server_id", fmt.Sprintf("%d", server.Server.ServerNumber))
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m.Add("__meta_hetzner_server_name", server.Server.ServerName)
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m.Add("__meta_hetzner_server_status", server.Server.Status)
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m.Add("__meta_hetzner_public_ipv4", server.Server.ServerIP)
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m.Add("__meta_hetzner_datacenter", strings.ToLower(server.Server.DC))
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m.Add("__meta_hetzner_robot_product", server.Server.Product)
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m.Add("__meta_hetzner_robot_cancelled", fmt.Sprintf("%t", server.Server.Canceled))
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for _, subnet := range server.Server.Subnet {
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ip := net.ParseIP(subnet.IP)
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if ip.To4() == nil {
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m.Add("__meta_hetzner_public_ipv6_network", fmt.Sprintf("%s/%s", subnet.IP, subnet.Mask))
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break
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}
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}
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ms = append(ms, m)
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return ms
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}
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