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feat reversedeps

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This commit is contained in:
Kota Kanbe
2021-11-04 10:47:19 +09:00
parent 43d987e200
commit fb9cebd3e2
2 changed files with 117 additions and 16 deletions
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72
scanner/redhatbase.go
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@@ -289,8 +289,9 @@ func (o *redhatBase) scanPackages() (err error) {
}
if o.getServerInfo().Mode.IsDeep() {
resolver := yumInstallDependentResolver{redhat: o}
resolver.scanDependentPkgsForUpdate()
resolver := yumDependentResolver{redhat: o}
resolver.detectDependenciesForUpdate()
resolver.detectReverseDependencies()
}
return nil
@@ -727,16 +728,18 @@ func (o *redhatBase) parseDnfModuleList(stdout string) (labels []string, err err
return
}
type yumInstallDependentResolver struct {
type yumDependentResolver struct {
redhat *redhatBase
}
func (o *yumInstallDependentResolver) scanDependentPkgsForUpdate() {
o.redhat.log.Infof("Detecting the dependencies of each packages when yum updating")
func (o *yumDependentResolver) detectDependenciesForUpdate() {
o.redhat.log.Infof("Detecting the dependencies for each packages when yum updating")
o.redhat.log.Infof("If it is too slow, `yum clean all` may make it faster")
bar := pb.StartNew(len(o.redhat.Packages))
for name, pkg := range o.redhat.Packages {
bar.Increment()
if pkg.Version == pkg.NewVersion && pkg.Release == pkg.NewRelease {
// only updatable pkgs
continue
}
names, err := o.scanUpdatablePkgDeps(name)
@@ -745,16 +748,14 @@ func (o *yumInstallDependentResolver) scanDependentPkgsForUpdate() {
o.redhat.warns = append(o.redhat.warns, err)
// Only warning this error
}
for _, n := range names {
pkg.DependenciesForUpdate = append(pkg.DependenciesForUpdate, n)
}
pkg.DependenciesForUpdate = names
o.redhat.Packages[name] = pkg
}
bar.Finish()
return
}
func (o *yumInstallDependentResolver) scanUpdatablePkgDeps(name string) (depsPkgNames []string, err error) {
func (o *yumDependentResolver) scanUpdatablePkgDeps(name string) (depsPkgNames []string, err error) {
cmd := fmt.Sprintf("LANGUAGE=en_US.UTF-8 yum install --assumeno --cacheonly --quiet %s", name)
r := o.redhat.exec(cmd, true)
if !r.isSuccess(0, 1) {
@@ -769,7 +770,7 @@ func (o *yumInstallDependentResolver) scanUpdatablePkgDeps(name string) (depsPkg
return
}
func (o *yumInstallDependentResolver) parseYumInstall(stdout string) []string {
func (o *yumDependentResolver) parseYumInstall(stdout string) []string {
names, inDepsLines := []string{}, false
scanner := bufio.NewScanner(strings.NewReader(stdout))
for scanner.Scan() {
@@ -788,3 +789,54 @@ func (o *yumInstallDependentResolver) parseYumInstall(stdout string) []string {
}
return names
}
func (o *yumDependentResolver) detectReverseDependencies() {
o.redhat.log.Infof("Detecting the reverse dependencies for each packages")
bar := pb.StartNew(len(o.redhat.Packages))
for name, pkg := range o.redhat.Packages {
bar.Increment()
if pkg.Version == pkg.NewVersion && pkg.Release == pkg.NewRelease {
continue
}
names, err := o.repoqueryWhatRequires(name)
if err != nil {
o.redhat.log.Warnf("err: %+v", xerrors.Errorf("Failed to scan reverse dependent packages: %w", err))
o.redhat.warns = append(o.redhat.warns, err)
// Only warning this error
}
pkg.ReverseDependencies = names
o.redhat.Packages[name] = pkg
}
bar.Finish()
return
}
func (o *yumDependentResolver) repoqueryWhatRequires(pkgName string) (depsPkgNames []string, err error) {
cmd := `LANGUAGE=en_US.UTF-8 repoquery --whatrequires --resolve --pkgnarrow=installed --qf "%{name}" ` + pkgName
r := o.redhat.exec(cmd, true)
if !r.isSuccess() {
return nil, xerrors.Errorf("Failed to SSH: %s", r)
}
names := o.parseRepoqueryWhatRequires(r.Stdout)
for _, n := range names {
if pkgName == n {
continue
}
if _, ok := o.redhat.Packages[n]; ok {
depsPkgNames = append(depsPkgNames, n)
}
}
return
}
func (o *yumDependentResolver) parseRepoqueryWhatRequires(stdout string) []string {
names := []string{}
scanner := bufio.NewScanner(strings.NewReader(stdout))
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line != "" {
names = append(names, line)
}
}
return names
}