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a1c669d3ae
It holds necessary state plus additional information relative to the context which we are being run to (e.g. if we are in a terminal or not). Besides in the future we can use it also as a contextual logger to provide more smart logging capabilities. This also replace the general global configuration instance that previously was share between the core components.
106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
// Copyright © 2019-2021 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package client
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import (
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"os"
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"path"
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"path/filepath"
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"github.com/mudler/luet/pkg/api/core/types"
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"github.com/mudler/luet/pkg/api/core/types/artifact"
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fileHelper "github.com/mudler/luet/pkg/helpers/file"
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"github.com/pkg/errors"
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)
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type LocalClient struct {
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RepoData RepoData
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Cache *artifact.ArtifactCache
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context *types.Context
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}
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func NewLocalClient(r RepoData, ctx *types.Context) *LocalClient {
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return &LocalClient{
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Cache: artifact.NewCache(ctx.Config.GetSystem().GetSystemPkgsCacheDirPath()),
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RepoData: r,
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context: ctx,
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}
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}
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func (c *LocalClient) DownloadArtifact(a *artifact.PackageArtifact) (*artifact.PackageArtifact, error) {
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var err error
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artifactName := path.Base(a.Path)
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newart := a.ShallowCopy()
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fileName, err := c.Cache.Get(a)
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// Check if file is already in cache
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if err == nil {
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newart.Path = fileName
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c.context.Debug("Use artifact", artifactName, "from cache.")
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} else {
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d, err := c.DownloadFile(artifactName)
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if err != nil {
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return nil, errors.Wrapf(err, "failed downloading %s", artifactName)
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}
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newart.Path = d
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c.Cache.Put(newart)
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}
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return newart, nil
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}
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func (c *LocalClient) DownloadFile(name string) (string, error) {
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var err error
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var file *os.File = nil
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rootfs := ""
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if !c.context.Config.ConfigFromHost {
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rootfs, err = c.context.Config.GetSystem().GetRootFsAbs()
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if err != nil {
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return "", err
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}
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}
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ok := false
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for _, uri := range c.RepoData.Urls {
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uri = filepath.Join(rootfs, uri)
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c.context.Info("Copying file", name, "from", uri)
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file, err = c.context.Config.GetSystem().TempFile("localclient")
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if err != nil {
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continue
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}
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//defer os.Remove(file.Name())
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err = fileHelper.CopyFile(filepath.Join(uri, name), file.Name())
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if err != nil {
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continue
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}
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ok = true
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break
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}
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if ok {
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return file.Name(), nil
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}
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return "", err
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}
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