64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package config
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import (
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"fmt"
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"os"
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)
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var ERR_DUP_API error = fmt.Errorf(
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"api key and api key file cannot both be defined",
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)
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var ERR_NO_API error = fmt.Errorf(
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"no api key or api key file defined",
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)
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var ERR_NO_GROUPHOST error = fmt.Errorf(
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"no groups or hosts configured",
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)
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var ERR_MISSING_KEYFILE error = fmt.Errorf(
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"api key file not found",
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)
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func (cfg *Config) Validate() error {
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if cfg.APIKey != "" && cfg.APIKeyFile != "" {
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return ERR_DUP_API
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}
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if cfg.APIKey == "" && cfg.APIKeyFile == "" {
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return ERR_NO_API
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}
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if cfg.APIKeyFile != "" {
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if _, err := os.Stat(cfg.APIKeyFile); err != nil {
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return ERR_MISSING_KEYFILE
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}
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}
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if len(cfg.Groups) == 0 && len(cfg.Hosts) == 0 {
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return ERR_NO_GROUPHOST
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}
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set := make(map[string]bool)
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for _, host := range cfg.Hosts {
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name := host.NameOrAddress()
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if _, exists := set[name]; exists {
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return fmt.Errorf("duplicate host \"%s\"", name)
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}
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set[name] = true
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}
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for group, hosts := range cfg.Groups {
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set = make(map[string]bool)
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for _, host := range hosts {
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name := host.NameOrAddress()
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if _, exists := set[name]; exists {
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return fmt.Errorf(
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"duplicate host \"%s\" in group \"%s\"", group, name,
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)
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}
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set[name] = true
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}
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}
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return nil
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}
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