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0fa8bbf710
* Update go-chi dependency to v5 * Update gofrs/uuid dependency to v5 * Update gorilla/mux dependency to v1.8.1 * Update go-humanize dependency to v1.0.1 * Update mxj dependency to v2.7.0 * Update fsnotify dependency to v1.7.0 * Update Go versions in GH build workflow * Update gopkg.in/yaml.v2 indirect dependency to v2.4.0 * Bump GH actions
26 lines
755 B
Go
26 lines
755 B
Go
package middleware
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import (
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"net/http"
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"strings"
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)
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// Heartbeat endpoint middleware useful to setting up a path like
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// `/ping` that load balancers or uptime testing external services
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// can make a request before hitting any routes. It's also convenient
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// to place this above ACL middlewares as well.
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func Heartbeat(endpoint string) func(http.Handler) http.Handler {
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f := func(h http.Handler) http.Handler {
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fn := func(w http.ResponseWriter, r *http.Request) {
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if (r.Method == "GET" || r.Method == "HEAD") && strings.EqualFold(r.URL.Path, endpoint) {
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w.Header().Set("Content-Type", "text/plain")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("."))
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return
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}
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h.ServeHTTP(w, r)
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}
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return http.HandlerFunc(fn)
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}
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return f
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}
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