ITWorx Pulse release export
bd774932d5
Public source validation / validate (push) Failing after 3m8s
68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package processapi
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import (
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"context"
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"encoding/json"
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"errors"
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"net/http"
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"strconv"
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"time"
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"github.com/itworx/pulse/internal/auth"
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"github.com/itworx/pulse/internal/problem"
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"github.com/itworx/pulse/internal/process"
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)
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type Handler struct {
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Provider interface {
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Snapshot(context.Context) (process.Snapshot, error)
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}
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Limits process.Limits
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}
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func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet || r.URL.Path != "/api/v1/processes" {
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http.NotFound(w, r)
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return
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}
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if _, ok := auth.PrincipalFromContext(r.Context()); !ok {
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problem.Write(w, r, http.StatusUnauthorized, "UNAUTHORIZED", "Authentication required", "Authentication is required to read processes.", nil)
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return
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}
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limit := 50
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if value := r.URL.Query().Get("limit"); value != "" {
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parsed, err := strconv.Atoi(value)
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if err != nil {
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problem.Write(w, r, http.StatusBadRequest, "PROCESS_LIMIT_INVALID", "Invalid process limit", "The process page limit is invalid.", nil)
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return
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}
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limit = parsed
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}
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mode := process.SortMode(r.URL.Query().Get("sort"))
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if mode == "" {
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mode = process.SortCPU
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}
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var snapshot process.Snapshot
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var err error
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if h.Provider == nil {
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snapshot = process.UnknownSnapshot(time.Now().UTC(), "process", "agent", "source_unavailable")
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} else {
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snapshot, err = h.Provider.Snapshot(r.Context())
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}
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if err != nil {
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if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
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return
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}
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problem.Write(w, r, http.StatusServiceUnavailable, "PROCESS_UNAVAILABLE", "Processgegevens niet beschikbaar", "De procesgegevens konden niet worden gelezen.", nil)
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return
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}
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page, err := process.FilteredPage(snapshot, mode, limit, r.URL.Query().Get("after"), h.Limits, r.URL.Query().Get("q"), r.URL.Query().Get("container"))
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if err != nil {
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problem.Write(w, r, http.StatusBadRequest, "PROCESS_QUERY_INVALID", "Invalid process query", "The process sort, cursor or limit is invalid.", nil)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", "private, max-age=5")
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_ = json.NewEncoder(w).Encode(page)
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}
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