ITWorx Pulse release export
bd774932d5
Public source validation / validate (push) Failing after 3m8s
86 lines
2.7 KiB
Go
86 lines
2.7 KiB
Go
package containerapi
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/itworx/pulse/internal/auth"
|
|
"github.com/itworx/pulse/internal/container"
|
|
"github.com/itworx/pulse/internal/problem"
|
|
)
|
|
|
|
type Handler struct {
|
|
Provider interface {
|
|
Snapshot(context.Context) (container.Snapshot, error)
|
|
}
|
|
Limits container.Limits
|
|
}
|
|
|
|
func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
if r.Method != http.MethodGet || (r.URL.Path != "/api/v1/containers" && !strings.HasPrefix(r.URL.Path, "/api/v1/containers/")) {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
if _, ok := auth.PrincipalFromContext(r.Context()); !ok {
|
|
problem.Write(w, r, http.StatusUnauthorized, "UNAUTHORIZED", "Authentication required", "Authentication is required to read containers.", nil)
|
|
return
|
|
}
|
|
snapshot, err := h.snapshot(r)
|
|
if err != nil {
|
|
if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
|
|
return
|
|
}
|
|
problem.Write(w, r, http.StatusServiceUnavailable, "CONTAINERS_UNAVAILABLE", "Containers not available", "Containergegevens konden niet worden gelezen.", nil)
|
|
return
|
|
}
|
|
if r.URL.Path != "/api/v1/containers" {
|
|
id := strings.TrimPrefix(r.URL.Path, "/api/v1/containers/")
|
|
for _, item := range snapshot.Containers {
|
|
if item.ID == id {
|
|
writeJSON(w, struct {
|
|
Source container.Source `json:"source"`
|
|
Container container.Container `json:"container"`
|
|
}{Source: snapshot.Source, Container: item})
|
|
return
|
|
}
|
|
}
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
limit := 50
|
|
if value := r.URL.Query().Get("limit"); value != "" {
|
|
parsed, parseErr := strconv.Atoi(value)
|
|
if parseErr != nil {
|
|
problem.Write(w, r, http.StatusBadRequest, "CONTAINER_QUERY_INVALID", "Invalid container query", "De containerlimiet is ongeldig.", nil)
|
|
return
|
|
}
|
|
limit = parsed
|
|
}
|
|
order := r.URL.Query().Get("sort")
|
|
if order == "" {
|
|
order = "name"
|
|
}
|
|
page, err := container.FilteredPage(snapshot, limit, r.URL.Query().Get("after"), h.Limits, r.URL.Query().Get("q"), r.URL.Query().Get("state"), r.URL.Query().Get("health"), order)
|
|
if err != nil {
|
|
problem.Write(w, r, http.StatusBadRequest, "CONTAINER_QUERY_INVALID", "Invalid container query", "De containerlimiet of cursor is ongeldig.", nil)
|
|
return
|
|
}
|
|
writeJSON(w, page)
|
|
}
|
|
func (h Handler) snapshot(r *http.Request) (container.Snapshot, error) {
|
|
if h.Provider == nil {
|
|
return container.UnknownSnapshot(time.Now().UTC(), "container", "agent", "source_unavailable"), nil
|
|
}
|
|
return h.Provider.Snapshot(r.Context())
|
|
}
|
|
func writeJSON(w http.ResponseWriter, value any) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.Header().Set("Cache-Control", "private, max-age=5")
|
|
_ = json.NewEncoder(w).Encode(value)
|
|
}
|