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package handler
import (
"fmt"
"html/template"
"net/http"
"git.leonardobishop.net/instancer/pkg/deployer"
"git.leonardobishop.net/instancer/pkg/registry"
"git.leonardobishop.net/instancer/pkg/session"
)
func PostDeploy(tmpl *template.Template, dockerDeployer *deployer.DockerDeployer) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
http.Error(w, "Invalid form data", http.StatusBadRequest)
return
}
challenge := r.FormValue("challenge")
if challenge == "" {
http.Error(w, "No challenge selected", http.StatusBadRequest)
return
}
session := r.Context().Value("session").(*session.UserSession)
deployKey := dockerDeployer.StartDeploy(challenge, session.Team)
tmpl.ExecuteTemplate(w, "f_deploy.html", struct {
DeployKey string
Challenge string
}{
DeployKey: deployKey,
Challenge: challenge,
})
}
}
func DeploySSE(tmpl *template.Template, registryClient *registry.RegistryClient, dockerDeployer *deployer.DockerDeployer) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
flusher, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming unsupported", http.StatusInternalServerError)
return
}
deployKey := r.URL.Query().Get("deploy")
if deployKey == "" {
http.Error(w, "No deployment specified", http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
clientGone := r.Context().Done()
job := dockerDeployer.GetJob(deployKey)
if job == nil || job.DeployChan == nil {
fmt.Fprintf(w, "event: %s\ndata: %s\n\n", "close", "Invalid deployment key")
flusher.Flush()
return
}
for {
select {
case <-clientGone:
return
case update, ok := <-job.DeployChan:
if !ok {
return
}
fmt.Fprintf(w, "event: %s\ndata: %s\n\n", update.Status, update.Message)
flusher.Flush()
}
}
}
}
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