| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package sdext |
| 4 | |
| 5 | import ( |
| 6 | "encoding/json" |
| 7 | "fmt" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/plugin/agent/discovery/sd" |
| 10 | "github.com/netdata/netdata/go/plugins/plugin/agent/discovery/sd/model" |
| 11 | "github.com/netdata/netdata/go/plugins/plugin/go.d/discovery/sdext/discoverer/dockersd" |
| 12 | "github.com/netdata/netdata/go/plugins/plugin/go.d/discovery/sdext/discoverer/httpsd" |
| 13 | "github.com/netdata/netdata/go/plugins/plugin/go.d/discovery/sdext/discoverer/k8ssd" |
| 14 | "github.com/netdata/netdata/go/plugins/plugin/go.d/discovery/sdext/discoverer/netlistensd" |
| 15 | "github.com/netdata/netdata/go/plugins/plugin/go.d/discovery/sdext/discoverer/snmpsd" |
| 16 | ) |
| 17 | |
| 18 | const ( |
| 19 | discovererNetListeners = "net_listeners" |
| 20 | discovererDocker = "docker" |
| 21 | discovererHTTP = "http" |
| 22 | discovererK8s = "k8s" |
| 23 | discovererSNMP = "snmp" |
| 24 | ) |
| 25 | |
| 26 | func Registry(includeDocker bool) sd.Registry { |
| 27 | descs := []sd.Descriptor{ |
| 28 | sd.NewDescriptor( |
| 29 | discovererNetListeners, |
| 30 | schemaNetListeners, |
| 31 | parseJSONConfig[netlistensd.Config], |
| 32 | newNetListenersDiscoverers, |
| 33 | ), |
| 34 | sd.NewDescriptor( |
| 35 | discovererK8s, |
| 36 | schemaK8s, |
| 37 | parseJSONConfig[[]k8ssd.Config], |
| 38 | newK8sDiscoverers, |
| 39 | ), |
| 40 | sd.NewDescriptor( |
| 41 | discovererHTTP, |
| 42 | schemaHTTP, |
| 43 | parseJSONConfig[httpsd.Config], |
| 44 | newHTTPDiscoverers, |
| 45 | ), |
| 46 | sd.NewDescriptor( |
| 47 | discovererSNMP, |
| 48 | schemaSNMP, |
| 49 | parseJSONConfig[snmpsd.Config], |
| 50 | newSNMPDiscoverers, |
| 51 | ), |
| 52 | } |
| 53 | if includeDocker { |
| 54 | descs = append(descs, sd.NewDescriptor( |
| 55 | discovererDocker, |
| 56 | schemaDocker, |
| 57 | parseJSONConfig[dockersd.Config], |
| 58 | newDockerDiscoverers, |
| 59 | )) |
| 60 | } |
| 61 | return sd.NewRegistry(descs...) |
| 62 | } |
| 63 | |
| 64 | func parseJSONConfig[T any](raw json.RawMessage) (T, error) { |
| 65 | var cfg T |
| 66 | if err := json.Unmarshal(raw, &cfg); err != nil { |
| 67 | return cfg, err |
| 68 | } |
| 69 | return cfg, nil |
| 70 | } |
| 71 | |
| 72 | func newNetListenersDiscoverers(cfg netlistensd.Config, source string) ([]model.Discoverer, error) { |
| 73 | cfg.Source = source |
| 74 | d, err := netlistensd.NewDiscoverer(cfg) |
| 75 | if err != nil { |
| 76 | return nil, err |
| 77 | } |
| 78 | return []model.Discoverer{d}, nil |
| 79 | } |
| 80 | |
| 81 | func newDockerDiscoverers(cfg dockersd.Config, source string) ([]model.Discoverer, error) { |
| 82 | cfg.Source = source |
| 83 | d, err := dockersd.NewDiscoverer(cfg) |
| 84 | if err != nil { |
| 85 | return nil, err |
| 86 | } |
| 87 | return []model.Discoverer{d}, nil |
| 88 | } |
| 89 | |
| 90 | func newHTTPDiscoverers(cfg httpsd.Config, source string) ([]model.Discoverer, error) { |
| 91 | cfg.Source = source |
| 92 | d, err := httpsd.NewDiscoverer(cfg) |
| 93 | if err != nil { |
| 94 | return nil, err |
| 95 | } |
| 96 | return []model.Discoverer{d}, nil |
| 97 | } |
| 98 | |
| 99 | func newK8sDiscoverers(cfgs []k8ssd.Config, source string) ([]model.Discoverer, error) { |
| 100 | if len(cfgs) == 0 { |
| 101 | return nil, fmt.Errorf("empty %q discoverer config", discovererK8s) |
| 102 | } |
| 103 | |
| 104 | discs := make([]model.Discoverer, 0, len(cfgs)) |
| 105 | for _, cfg := range cfgs { |
| 106 | cfg.Source = source |
| 107 | d, err := k8ssd.NewDiscoverer(cfg) |
| 108 | if err != nil { |
| 109 | return nil, err |
| 110 | } |
| 111 | discs = append(discs, d) |
| 112 | } |
| 113 | |
| 114 | return discs, nil |
| 115 | } |
| 116 | |
| 117 | func newSNMPDiscoverers(cfg snmpsd.Config, source string) ([]model.Discoverer, error) { |
| 118 | cfg.Source = source |
| 119 | d, err := snmpsd.NewDiscoverer(cfg) |
| 120 | if err != nil { |
| 121 | return nil, err |
| 122 | } |
| 123 | return []model.Discoverer{d}, nil |
| 124 | } |