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Allow mos updating to a specific version of Ubuntu package
PPA only stores the latest version, this utilizes our own package archive CL: mos: Allow mos updating to a specific version of Ubuntu package
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // | ||
| // Copyright (c) 2014-2019 Cesanta Software Limited | ||
| // All rights reserved | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| package update | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "os" | ||
| "path/filepath" | ||
| "regexp" | ||
| "runtime" | ||
| "strings" | ||
|
|
||
| "github.com/cesanta/errors" | ||
| "github.com/golang/glog" | ||
| "github.com/mongoose-os/mos/mos/flags" | ||
| "github.com/mongoose-os/mos/mos/ourutil" | ||
| "github.com/mongoose-os/mos/mos/version" | ||
| ) | ||
|
|
||
| var ( | ||
| ubuntuPackageNames = map[UpdateChannel]string{ | ||
| UpdateChannelRelease: "mos", | ||
| UpdateChannelLatest: "mos-latest", | ||
| } | ||
| ubuntuRepoName = "ppa:mongoose-os/mos" | ||
| ubuntuDEBURLPrefix = "https://mongoose-os.com/downloads/debs/" | ||
| ubuntuDEBArchiveURL = ubuntuDEBURLPrefix + "index.txt" | ||
| ubuntuDEBNameRegexp = regexp.MustCompile(`^(?P<pkg>[^_]+)_(?P<version>[^+]+)\+(?P<hash>[^~]+)\~(?P<distr>[^\d]+)\d+_(?P<arch>[^.]+)\.deb`) | ||
| ) | ||
|
|
||
| func doUbuntuUpdateRepo(oldUpdChannel, newUpdChannel UpdateChannel) error { | ||
| oldPkg := ubuntuPackageNames[oldUpdChannel] | ||
| newPkg := ubuntuPackageNames[newUpdChannel] | ||
|
|
||
| // Start with an apt-get update. | ||
| // Do not fail because some unrelated repo may be screwed up | ||
| // but our PPA might still be ok. | ||
| ourutil.RunCmd(ourutil.CmdOutOnError, "sudo", "apt-get", "update") | ||
|
|
||
| // Check if mos and mos-latest are among the available packages. | ||
| output, err := ourutil.GetCommandOutput("apt-cache", "showpkg", newPkg) | ||
| if err != nil { | ||
| return errors.Annotatef(err, "faild to get package info") | ||
| } | ||
| if !strings.Contains(output, "/lists/") { | ||
| // No package info in repo lists - we should (re-)add our repo. | ||
| // This can happen, for example, after release upgrade which disables 3rd-party repos. | ||
| if err := ourutil.RunCmd(ourutil.CmdOutOnError, "sudo", "apt-add-repository", "-y", "-u", ubuntuRepoName); err != nil { | ||
| return errors.Trace(err) | ||
| } | ||
| } | ||
|
|
||
| if oldPkg != newPkg { | ||
| if err := ourutil.RunCmd(ourutil.CmdOutOnError, "sudo", "apt-get", "remove", "-y", oldPkg); err != nil { | ||
| return errors.Trace(err) | ||
| } | ||
| } | ||
| return ourutil.RunCmd(ourutil.CmdOutAlways, "sudo", "apt-get", "install", "-y", newPkg) | ||
| } | ||
|
|
||
| func doUbuntuUpdateDEB(oldUpdChannel UpdateChannel, newMosVersion string) error { | ||
| distr := version.GetUbuntuBuildIDParts(version.BuildId)["distr"] | ||
| arch := runtime.GOARCH | ||
| if arch == "arm" { | ||
| arch = "armhf" | ||
| } | ||
| glog.Infof("Distr: %s, arch: %s", distr, arch) | ||
| debName := "" | ||
| { | ||
| glog.Infof("Fetching package archive index from %s...", ubuntuDEBArchiveURL) | ||
| resp, err := http.Get(ubuntuDEBArchiveURL) | ||
| if err != nil { | ||
| return errors.Annotatef(err, "failed to fetch package archive index") | ||
| } | ||
| defer resp.Body.Close() | ||
| if resp.StatusCode != http.StatusOK { | ||
| return errors.Errorf("failed to fetch package archive index from %s: %s", ubuntuDEBArchiveURL, resp.Status) | ||
| } | ||
| scanner := bufio.NewScanner(resp.Body) | ||
| for scanner.Scan() { | ||
| d := strings.Split(scanner.Text(), " ")[0] | ||
| p := ourutil.FindNamedSubmatches(ubuntuDEBNameRegexp, scanner.Text()) | ||
| glog.V(2).Infof("%s -> %s", scanner.Text(), p) | ||
| if p["distr"] == distr && p["version"] == newMosVersion && p["arch"] == arch { | ||
| debName = d | ||
| break | ||
| } | ||
| } | ||
| if debName == "" { | ||
| return errors.Errorf("no package found for %s %s %s", newMosVersion, distr, arch) | ||
| } | ||
| } | ||
| debURL := ubuntuDEBURLPrefix + debName | ||
| ourutil.Reportf("Downloading %s...", debURL) | ||
| resp, err := http.Get(debURL) | ||
| if err != nil { | ||
| return errors.Annotatef(err, "failed to fetch package") | ||
| } | ||
| defer resp.Body.Close() | ||
| if resp.StatusCode != http.StatusOK { | ||
| return errors.Errorf("failed to fetch package from %s: %s", debURL, resp.Status) | ||
| } | ||
| debData, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return errors.Annotatef(err, "failed to fetch package") | ||
| } | ||
| tempDir, err := ioutil.TempDir("", "mosdeb-") | ||
| if err != nil { | ||
| return errors.Annotatef(err, "failed to create staging directory") | ||
| } | ||
| if !*flags.KeepTempFiles { | ||
| defer os.RemoveAll(tempDir) | ||
| } | ||
| debFile := filepath.Join(tempDir, debName) | ||
| if err = ioutil.WriteFile(debFile, debData, 0644); err != nil { | ||
| return errors.Annotatef(err, "failed to write package file") | ||
| } | ||
| glog.Infof("Wrote %s %s", debFile, resp.Status) | ||
| ourutil.Reportf("Removing installed package (if any)...") | ||
| oldPkg := ubuntuPackageNames[oldUpdChannel] | ||
| ourutil.RunCmd(ourutil.CmdOutOnError, "sudo", "apt-get", "remove", "-y", oldPkg) | ||
| ourutil.Reportf("Installing new package...") | ||
| if err = ourutil.RunCmd(ourutil.CmdOutOnError, "sudo", "dpkg", "-i", debFile); err != nil { | ||
| return errors.Annotatef(err, "failed to install %s", debFile) | ||
| } | ||
| ourutil.Reportf("Package installed") | ||
| return nil | ||
| } |
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