mirror of
https://github.com/containers/podman.git
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942f789a88
The new golangci-lint version 1.60.1 has problems with typecheck when linting remote files. We have certain pakcages that should never be inlcuded in remote but the typecheck tries to compile all of them but this never works and it seems to ignore the exclude files we gave it. To fix this the proper way is to mark all packages we only use locally with !remote tags. This is a bit ugly but more correct. I also moved the DecodeChanges() code around as it is called from the client so the handles package which should only be remote doesn't really fit anyway. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
//go:build !remote
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package libpod
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"github.com/containers/common/pkg/cgroups"
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"github.com/containers/podman/v5/libpod"
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"github.com/containers/podman/v5/pkg/api/handlers/utils"
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api "github.com/containers/podman/v5/pkg/api/types"
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"github.com/containers/podman/v5/pkg/domain/entities"
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"github.com/containers/podman/v5/pkg/domain/infra/abi"
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"github.com/containers/podman/v5/pkg/rootless"
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"github.com/gorilla/schema"
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"github.com/sirupsen/logrus"
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)
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func StatsContainer(w http.ResponseWriter, r *http.Request) {
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runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
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decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder)
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// Check if service is running rootless (cheap check)
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if rootless.IsRootless() {
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// if so, then verify cgroup v2 available (more expensive check)
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if isV2, _ := cgroups.IsCgroup2UnifiedMode(); !isV2 {
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utils.Error(w, http.StatusConflict, errors.New("container stats resource only available for cgroup v2"))
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return
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}
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}
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query := struct {
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Containers []string `schema:"containers"`
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Stream bool `schema:"stream"`
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Interval int `schema:"interval"`
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All bool `schema:"all"`
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}{
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Stream: true,
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Interval: 5,
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All: false,
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}
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if err := decoder.Decode(&query, r.URL.Query()); err != nil {
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utils.Error(w, http.StatusBadRequest, fmt.Errorf("failed to parse parameters for %s: %w", r.URL.String(), err))
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return
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}
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// Reduce code duplication and use the local/abi implementation of
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// container stats.
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containerEngine := abi.ContainerEngine{Libpod: runtime}
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statsOptions := entities.ContainerStatsOptions{
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Stream: query.Stream,
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Interval: query.Interval,
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All: query.All,
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}
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// Stats will stop if the connection is closed.
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statsChan, err := containerEngine.ContainerStats(r.Context(), query.Containers, statsOptions)
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if err != nil {
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utils.InternalServerError(w, err)
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return
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}
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wroteContent := false
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// Set up JSON encoder for streaming.
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coder := json.NewEncoder(w)
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coder.SetEscapeHTML(true)
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for stats := range statsChan {
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if !wroteContent {
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if stats.Error != nil {
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utils.ContainerNotFound(w, "", stats.Error)
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return
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}
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// Write header and content type.
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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wroteContent = true
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}
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if err := coder.Encode(stats); err != nil {
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// Note: even when streaming, the stats goroutine will
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// be notified (and stop) as the connection will be
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// closed.
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logrus.Errorf("Unable to encode stats: %v", err)
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return
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}
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if flusher, ok := w.(http.Flusher); ok {
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flusher.Flush()
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}
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}
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}
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