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677a6b3506
Read configuration after flags making this the priority: 1- Apply configuration from file. 2- Apply configuration from flags. Reload configuration when a signal is received, USR2 in Linux: - Reload router if the debug configuration changes. - Reload daemon labels. - Reload cluster discovery. Signed-off-by: David Calavera <david.calavera@gmail.com>
30 lines
612 B
Go
30 lines
612 B
Go
package server
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import (
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"net/http"
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"sync"
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"github.com/gorilla/mux"
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)
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// routerSwapper is an http.Handler that allow you to swap
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// mux routers.
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type routerSwapper struct {
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mu sync.Mutex
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router *mux.Router
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}
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// Swap changes the old router with the new one.
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func (rs *routerSwapper) Swap(newRouter *mux.Router) {
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rs.mu.Lock()
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rs.router = newRouter
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rs.mu.Unlock()
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}
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// ServeHTTP makes the routerSwapper to implement the http.Handler interface.
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func (rs *routerSwapper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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rs.mu.Lock()
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router := rs.router
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rs.mu.Unlock()
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router.ServeHTTP(w, r)
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}
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