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feat(aur): add option to limit concurrent downloads (#1768)

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* feat(aur): add option to limit concurrent downloads

Adds to config file option 'maxconcurrentdownloads' which if set to
value != 0, limits number of concurrent AUR downloads to specified.
Fixes #1763.

* fix lint issue
This commit is contained in:
vqrkxo 2022-06-28 12:05:29 +02:00 committed by GitHub
parent 18fbc24e68
commit e0006ec272
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 113 additions and 100 deletions
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6
aur_source.go
View File

@ -65,7 +65,7 @@ func downloadPKGBUILDSourceWorker(ctx context.Context, wg *sync.WaitGroup, dest
}
func downloadPKGBUILDSourceFanout(ctx context.Context, cmdBuilder exe.ICmdBuilder, dest string,
bases []dep.Base, incompatible stringset.StringSet) error {
bases []dep.Base, incompatible stringset.StringSet, maxConcurrentDownloads int) error {
if len(bases) == 1 {
return downloadPKGBUILDSource(ctx, cmdBuilder, dest, bases[0].Pkgbase(), incompatible)
}
@ -78,6 +78,10 @@ func downloadPKGBUILDSourceFanout(ctx context.Context, cmdBuilder exe.ICmdBuilde
fanInChanErrors = make(chan error)
)
if maxConcurrentDownloads != 0 {
numOfWorkers = maxConcurrentDownloads
}
go func() {
for _, base := range bases {
c <- base.Pkgbase()

26
aur_source_test.go
View File

@ -2,6 +2,7 @@ package main
import (
"context"
"fmt"
"os/exec"
"sync/atomic"
"testing"
@ -82,13 +83,6 @@ func Test_downloadPKGBUILDSourceError(t *testing.T) {
// THEN 5 calls should be made to makepkg
func Test_downloadPKGBUILDSourceFanout(t *testing.T) {
t.Parallel()
cmdBuilder := &TestMakepkgBuilder{
parentBuilder: &exe.CmdBuilder{
MakepkgConfPath: "/etc/not.conf",
MakepkgFlags: []string{"--nocheck"}, MakepkgBin: "makepkg",
},
test: t,
}
bases := []dep.Base{
{&aur.Pkg{PackageBase: "yay"}},
@ -98,9 +92,21 @@ func Test_downloadPKGBUILDSourceFanout(t *testing.T) {
{&aur.Pkg{PackageBase: "yay-v12"}},
}
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make())
for _, maxConcurrentDownloads := range []int{0, 3} {
t.Run(fmt.Sprintf("maxconcurrentdownloads set to %d", maxConcurrentDownloads), func(t *testing.T) {
cmdBuilder := &TestMakepkgBuilder{
parentBuilder: &exe.CmdBuilder{
MakepkgConfPath: "/etc/not.conf",
MakepkgFlags: []string{"--nocheck"}, MakepkgBin: "makepkg",
},
test: t,
}
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make(), maxConcurrentDownloads)
assert.NoError(t, err)
assert.Equal(t, 5, int(cmdBuilder.passes))
})
}
}
// GIVEN 1 package
@ -120,7 +126,7 @@ func Test_downloadPKGBUILDSourceFanoutNoCC(t *testing.T) {
{&aur.Pkg{PackageBase: "yay"}},
}
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make())
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make(), 0)
assert.NoError(t, err)
assert.Equal(t, 1, int(cmdBuilder.passes))
}
@ -147,7 +153,7 @@ func Test_downloadPKGBUILDSourceFanoutError(t *testing.T) {
{&aur.Pkg{PackageBase: "yay-v12"}},
}
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make())
err := downloadPKGBUILDSourceFanout(context.TODO(), cmdBuilder, "/tmp", bases, stringset.Make(), 0)
assert.Error(t, err)
assert.Equal(t, 5, int(cmdBuilder.passes))
assert.Len(t, err.(*multierror.MultiError).Errors, 5)

3
install.go
View File

@ -330,7 +330,8 @@ func install(ctx context.Context, cmdArgs *parser.Arguments, dbExecutor db.Execu
config.AURURL, config.Runtime.CompletionPath, config.CompletionInterval, false)
}()
if errP := downloadPKGBUILDSourceFanout(ctx, config.Runtime.CmdBuilder, config.BuildDir, do.Aur, incompatible); errP != nil {
if errP := downloadPKGBUILDSourceFanout(ctx, config.Runtime.CmdBuilder, config.BuildDir,
do.Aur, incompatible, config.MaxConcurrentDownloads); errP != nil {
text.Errorln(errP)
}

2
pkg/settings/config.go
View File

@ -56,6 +56,7 @@ type Configuration struct {
SudoFlags string `json:"sudoflags"`
RequestSplitN int `json:"requestsplitn"`
CompletionInterval int `json:"completionrefreshtime"`
MaxConcurrentDownloads int `json:"maxconcurrentdownloads"`
BottomUp bool `json:"bottomup"`
SudoLoop bool `json:"sudoloop"`
TimeUpdate bool `json:"timeupdate"`
@ -194,6 +195,7 @@ func DefaultConfig(version string) *Configuration {
GitFlags: "",
BottomUp: true,
CompletionInterval: 7,
MaxConcurrentDownloads: 0,
SortBy: "votes",
SearchBy: "name-desc",
SudoLoop: false,