98 lines
3.3 KiB
Go
98 lines
3.3 KiB
Go
package main
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import (
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"fmt"
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"github.com/unifi-poller/poller"
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"golift.io/cnfg"
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)
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// Only capital (exported) members are unmarshaled when passed into poller.NewOutput().
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type plugin struct {
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*Config `json:"mysql" toml:"mysql" xml:"mysql" yaml:"mysql"`
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poller.Collect
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}
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// Config represents the data that is unmarshalled from the up.conf config file for this plugins.
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// See up.conf.example.mysql for sample input data.
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type Config struct {
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Disable bool `json:"disable" toml:"disable" xml:"disable" yaml:"disable"`
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Interval cnfg.Duration `json:"interval" toml:"interval" xml:"interval" yaml:"interval"`
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Host string `json:"host" toml:"host" xml:"host" yaml:"host"`
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User string `json:"user" toml:"user" xml:"user" yaml:"user"`
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Pass string `json:"pass" toml:"pass" xml:"pass" yaml:"pass"`
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DB string `json:"db" toml:"db" xml:"db" yaml:"db"`
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Devices []Device `json:"devices" toml:"devices" xml:"device" yaml:"devices"`
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Clients *Clients `json:"clients" toml:"clients" xml:"clients" yaml:"clients"`
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}
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// Device represents the configuration to save a devices' data.
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// Type is one of uap, usw, ugw, udm.
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// Table represents the mysql table name we save these fields to.
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// Fields is a map of api response data key -> mysql column.
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type Device struct {
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Type string `json:"type" toml:"type" xml:"type" yaml:"type"`
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Table string `json:"table" toml:"table" xml:"table" yaml:"table"`
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Fields map[string]string `json:"fields" toml:"fields" xml:"field" yaml:"fields"`
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}
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// Clients represents the configuration to save clients' data.
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// Table represents the mysql table name we save these fields to.
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// Fields is a map of api response data key -> mysql column.
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type Clients struct {
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Table string `json:"table" toml:"table" xml:"table" yaml:"table"`
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Fields map[string]string `json:"fields" toml:"fields" xml:"field" yaml:"fields"`
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}
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func init() {
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u := &plugin{Config: &Config{}}
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poller.NewOutput(&poller.Output{
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Name: "mysql",
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Config: u, // pass in the struct *above* your config (so it can see the struct tags).
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Method: u.Run,
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})
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}
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// Run gets called by poller core code. Return when the plugin stops working or has an error.
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// In other words, don't run your code in a go routine, it already is.
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func (p *plugin) Run(c poller.Collect) error {
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if p.Collect = c; c == nil || p.Config == nil || p.Disable {
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return nil // no config or disabled, bail out.
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}
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if err := p.validateConfig(); err != nil {
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return err
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}
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return p.runCollector()
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}
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// validateConfig checks input sanity.
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func (p *plugin) validateConfig() error {
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if p.Interval.Duration == 0 {
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return fmt.Errorf("must provide a polling interval")
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}
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if p.Clients == nil && len(p.Devices) == 0 {
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return fmt.Errorf("must configure client or device collection; both empty")
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}
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for _, d := range p.Devices {
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if len(d.Fields) == 0 {
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return fmt.Errorf("no fields defined for device type %s, table %s", d.Type, d.Table)
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}
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}
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if p.Clients != nil && p.Clients.Fields == nil {
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return fmt.Errorf("no fields defined for clients; if you don't want to store client data, remove it from the config")
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}
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return nil
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}
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// main() is required, but it shouldn't do much as it's not used in plugin mode.
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func main() {
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fmt.Println("this is a unifi-poller plugin; not an application")
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}
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