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57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
package ec2
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import (
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"flag"
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"fmt"
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"time"
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)
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// SDCheckInterval defines interval for targets refresh.
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var SDCheckInterval = flag.Duration("promscrape.ec2SDCheckInterval", time.Minute, "Interval for checking for changes in ec2. "+
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"This works only if ec2_sd_configs is configured in '-promscrape.config' file. "+
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"See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config for details")
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// SDConfig represents service discovery config for ec2.
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//
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// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config
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type SDConfig struct {
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Region string `yaml:"region,omitempty"`
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Endpoint string `yaml:"endpoint,omitempty"`
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AccessKey string `yaml:"access_key,omitempty"`
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SecretKey string `yaml:"secret_key,omitempty"`
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// TODO add support for Profile, not working atm
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Profile string `yaml:"profile,omitempty"`
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RoleARN string `yaml:"role_arn,omitempty"`
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// RefreshInterval time.Duration `yaml:"refresh_interval"`
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// refresh_interval is obtained from `-promscrape.ec2SDCheckInterval` command-line option.
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Port *int `yaml:"port,omitempty"`
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Filters []Filter `yaml:"filters,omitempty"`
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}
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// Filter is ec2 filter.
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//
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// See https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html
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// and https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Filter.html
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type Filter struct {
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Name string `yaml:"name"`
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Values []string `yaml:"values"`
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}
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// GetLabels returns ec2 labels according to sdc.
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func (sdc *SDConfig) GetLabels(baseDir string) ([]map[string]string, error) {
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cfg, err := getAPIConfig(sdc)
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if err != nil {
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return nil, fmt.Errorf("cannot get API config: %w", err)
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}
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ms, err := getInstancesLabels(cfg)
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if err != nil {
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return nil, fmt.Errorf("error when fetching instances data from EC2: %w", err)
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}
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return ms, nil
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}
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// MustStop stops further usage for sdc.
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func (sdc *SDConfig) MustStop() {
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configMap.Delete(sdc)
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}
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