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Merge pull request #1728 from alileza/file_sd

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Re-ordering config validation
This commit is contained in:
Fabian Reinartz 2016-06-13 09:32:58 +02:00 committed by GitHub
parent a3c4beb6ee 98c156c361
commit 3dcdd2b5ea
1 changed files with 52 additions and 13 deletions
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65
config/config.go
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@ -252,6 +252,9 @@ func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if err := checkOverflow(c.XXX, "config"); err != nil {
return err
}
// If a global block was open but empty the default global config is overwritten.
// We have to restore it here.
if c.GlobalConfig.isZero() {
@ -287,7 +290,7 @@ func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
}
jobNames[scfg.JobName] = struct{}{}
}
return checkOverflow(c.XXX, "config")
return nil
}
// GlobalConfig configures values that are used across other configuration
@ -315,6 +318,9 @@ func (c *GlobalConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err := unmarshal((*plain)(gc)); err != nil {
return err
}
if err := checkOverflow(c.XXX, "global config"); err != nil {
return err
}
// First set the correct scrape interval, then check that the timeout
// (inferred or explicit) is not greater than that.
if gc.ScrapeInterval == 0 {
@ -335,7 +341,7 @@ func (c *GlobalConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
}
*c = *gc
return checkOverflow(c.XXX, "global config")
return nil
}
// isZero returns true iff the global config is the zero value.
@ -369,7 +375,10 @@ func (c *TLSConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err := unmarshal((*plain)(c)); err != nil {
return err
}
return checkOverflow(c.XXX, "TLS config")
if err := checkOverflow(c.XXX, "TLS config"); err != nil {
return err
}
return nil
}
// ScrapeConfig configures a scraping unit for Prometheus.
@ -439,6 +448,9 @@ func (c *ScrapeConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "scrape_config"); err != nil {
return err
}
if !patJobName.MatchString(c.JobName) {
return fmt.Errorf("%q is not a valid job name", c.JobName)
}
@ -466,7 +478,7 @@ func (c *ScrapeConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
}
}
}
return checkOverflow(c.XXX, "scrape_config")
return nil
}
// CheckTargetAddress checks if target address is valid.
@ -597,6 +609,9 @@ func (c *DNSSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "dns_sd_config"); err != nil {
return err
}
if len(c.Names) == 0 {
return fmt.Errorf("DNS-SD config must contain at least one SRV record name")
}
@ -609,7 +624,7 @@ func (c *DNSSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
default:
return fmt.Errorf("invalid DNS-SD records type %s", c.Type)
}
return checkOverflow(c.XXX, "dns_sd_config")
return nil
}
// FileSDConfig is the configuration for file based discovery.
@ -629,6 +644,9 @@ func (c *FileSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "file_sd_config"); err != nil {
return err
}
if len(c.Files) == 0 {
return fmt.Errorf("file service discovery config must contain at least one path name")
}
@ -637,7 +655,7 @@ func (c *FileSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
return fmt.Errorf("path name %q is not valid for file discovery", name)
}
}
return checkOverflow(c.XXX, "file_sd_config")
return nil
}
// ConsulSDConfig is the configuration for Consul service discovery.
@ -665,10 +683,13 @@ func (c *ConsulSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "consul_sd_config"); err != nil {
return err
}
if strings.TrimSpace(c.Server) == "" {
return fmt.Errorf("Consul SD configuration requires a server address")
}
return checkOverflow(c.XXX, "consul_sd_config")
return nil
}
// ServersetSDConfig is the configuration for Twitter serversets in Zookeeper based discovery.
@ -689,6 +710,9 @@ func (c *ServersetSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) err
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "serverset_sd_config"); err != nil {
return err
}
if len(c.Servers) == 0 {
return fmt.Errorf("serverset SD config must contain at least one Zookeeper server")
}
@ -700,7 +724,7 @@ func (c *ServersetSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) err
return fmt.Errorf("serverset SD config paths must begin with '/': %s", path)
}
}
return checkOverflow(c.XXX, "serverset_sd_config")
return nil
}
// NerveSDConfig is the configuration for AirBnB's Nerve in Zookeeper based discovery.
@ -721,6 +745,9 @@ func (c *NerveSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "nerve_sd_config"); err != nil {
return err
}
if len(c.Servers) == 0 {
return fmt.Errorf("nerve SD config must contain at least one Zookeeper server")
}
@ -732,7 +759,7 @@ func (c *NerveSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
return fmt.Errorf("nerve SD config paths must begin with '/': %s", path)
}
}
return checkOverflow(c.XXX, "nerve_sd_config")
return nil
}
// MarathonSDConfig is the configuration for services running on Marathon.
@ -752,11 +779,14 @@ func (c *MarathonSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) erro
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "marathon_sd_config"); err != nil {
return err
}
if len(c.Servers) == 0 {
return fmt.Errorf("Marathon SD config must contain at least one Marathon server")
}
return checkOverflow(c.XXX, "marathon_sd_config")
return nil
}
// KubernetesSDConfig is the configuration for Kubernetes service discovery.
@ -782,6 +812,9 @@ func (c *KubernetesSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) er
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "kubernetes_sd_config"); err != nil {
return err
}
if len(c.APIServers) == 0 {
return fmt.Errorf("Kubernetes SD configuration requires at least one Kubernetes API server")
}
@ -792,7 +825,7 @@ func (c *KubernetesSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) er
return fmt.Errorf("at most one of basic_auth, bearer_token & bearer_token_file must be configured")
}
return checkOverflow(c.XXX, "kubernetes_sd_config")
return nil
}
// EC2SDConfig is the configuration for EC2 based service discovery.
@ -814,10 +847,13 @@ func (c *EC2SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err != nil {
return err
}
if err := checkOverflow(c.XXX, "ec2_sd_config"); err != nil {
return err
}
if c.Region == "" {
return fmt.Errorf("EC2 SD configuration requires a region")
}
return checkOverflow(c.XXX, "ec2_sd_config")
return nil
}
// AzureSDConfig is the configuration for Azure based service discovery.
@ -903,10 +939,13 @@ func (c *RelabelConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if err := checkOverflow(c.XXX, "relabel_config"); err != nil {
return err
}
if c.Modulus == 0 && c.Action == RelabelHashMod {
return fmt.Errorf("relabel configuration for hashmod requires non-zero modulus")
}
return checkOverflow(c.XXX, "relabel_config")
return nil
}
// Regexp encapsulates a regexp.Regexp and makes it YAML marshallable.