Always seed math/rand on consul startup
Required for jitter calcs. This could be done in consul/agent, but this makes it clear it is done only once process-wide.
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package lib
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import (
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"math/rand"
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"sync"
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"time"
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)
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var (
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once sync.Once
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)
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// SeedMathRand provides weak, but guaranteed seeding, which is better than
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// running with Go's default seed of 1. A call to SeedMathRand() is expected
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// to be called via init(), but never a second time.
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func SeedMathRand() {
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once.Do(func() { rand.Seed(time.Now().UTC().UnixNano()) })
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}
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