libzypp  17.31.0
PurgeKernels.cc
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13 #include <zypp/base/String.h>
14 #include <zypp/base/Logger.h>
15 #include <zypp/base/Regex.h>
16 #include <zypp/base/Iterator.h>
17 #include <zypp/PurgeKernels.h>
18 #include <zypp/PoolQuery.h>
19 #include <zypp/ResPool.h>
20 #include <zypp/Resolver.h>
21 #include <zypp/Filter.h>
22 #include <zypp/ZConfig.h>
23 
24 #include <iostream>
25 #include <fstream>
26 #include <map>
27 #include <unordered_map>
28 #include <sys/utsname.h>
29 #include <functional>
30 #include <array>
31 
32 #undef ZYPP_BASE_LOGGER_LOGGROUP
33 #define ZYPP_BASE_LOGGER_LOGGROUP "PurgeKernels"
34 
35 namespace zypp {
36 
37  using Flavour = std::string;
38  using SolvableList = std::list<sat::Solvable>;
39  using EditionToSolvableMap = std::map<Edition, SolvableList >;
40  using ArchToEditionMap = std::map<Arch, EditionToSolvableMap >;
41 
42  struct GroupInfo {
43 
44  enum GroupType {
45  None, //<< Just here to support default construction
46  Kernels, //<< Map contains kernel packages, so need to receive special handling and flavour matching
47  RelatedBinaries, //<< Map contains related binary packages, so need to receive special handling and flavour matching
48  Sources //<< Map contains source packages, so when matching those against running we ignore the flavour
49  } groupType;
50 
51  GroupInfo( const GroupType type = None, std::string flav = "") : groupType(type), groupFlavour( std::move(flav) ) { }
52 
53  ArchToEditionMap archToEdMap; //<< Map of actual packages
54  std::string groupFlavour; //<< This would contain a specific flavour if there is one calculated
55  };
56  using GroupMap = std::unordered_map<std::string, GroupInfo>;
57 
59 
60  Impl() {
61  struct utsname unameData;
62  if ( uname( &unameData) == 0 ) {
63 
64  const auto archStr = str::regex_substitute( unameData.machine, str::regex( "^i.86$", str::regex::match_extended ), "i586" );
65 
66  _kernelArch = Arch( archStr );
67  setUnameR( std::string( unameData.release ) );
68 
69  _detectedRunning = true;
70 
71  MIL << "Detected running kernel: Flavour: " << _runningKernelFlavour << " Arch: " << _kernelArch << "\n";
72  for ( const auto &edVar : _runningKernelEditionVariants )
73  MIL << "Edition variant: " << edVar << "\n";
74  MIL << std::endl;
75 
76  } else {
77  MIL << "Failed to detect running kernel: " << errno << std::endl;
78  }
79  }
80 
81  void setUnameR ( const std::string &uname ) {
82 
83  _uname_r = uname;
84 
85  MIL << "Set uname " << uname << std::endl;
86 
87  const std::string flavour = str::regex_substitute( _uname_r, str::regex( ".*-", str::regex::match_extended ), "", true );
88  std::string version = str::regex_substitute( _uname_r, str::regex( "-[^-]*$", str::regex::match_extended | str::regex::newline ), "", true );
89 
90  const std::string release = str::regex_substitute( version, str::regex( ".*-", str::regex::match_extended ), "", true );
91 
92  version = str::regex_substitute( version, str::regex( "-[^-]*$", str::regex::match_extended | str::regex::newline ), "", true );
93 
94 
95  auto makeRcVariant = [ &release ]( std::string myVersion, const std::string &replace ){
96  // from purge-kernels script, was copied from kernel-source/rpm/mkspec
97  myVersion = str::regex_substitute( myVersion, str::regex( "\\.0-rc", str::regex::match_extended ), replace, true );
98  myVersion = str::regex_substitute( myVersion, str::regex( "-rc\\d+", str::regex::match_extended ), "", true );
99  myVersion = str::regex_substitute( myVersion, str::regex( "-", str::regex::match_extended ), ".", true );
100  return Edition( myVersion, release );
101  };
102 
104  _runningKernelEditionVariants.insert( makeRcVariant( version, "~rc") );
105  _runningKernelEditionVariants.insert( makeRcVariant( version, ".rc") );
106 
107  _runningKernelFlavour = flavour;
108 
109  MIL << "Parsed info from uname: " << std::endl;
110  MIL << "Kernel Flavour: " << _runningKernelFlavour << std::endl;
111  MIL << "Kernel Edition Variants: \n";
112  for ( const auto &var : _runningKernelEditionVariants )
113  MIL << " " << var << "\n";
114  MIL << std::endl;
115  }
116 
117  bool removePackageAndCheck( const sat::Solvable slv, const std::set<sat::Solvable> &keepList , const std::set<sat::Solvable> &removeList ) const;
118  static bool versionMatch ( const Edition &a, const Edition &b );
119  void parseKeepSpec();
120  void fillKeepList(const GroupMap &installedKernels, std::set<sat::Solvable> &keepList , std::set<sat::Solvable> &removeList ) const;
121 
122  std::set<size_t> _keepLatestOffsets = { 0 };
123  std::set<size_t> _keepOldestOffsets;
124  std::set<Edition> _keepSpecificEditions;
125  std::string _uname_r;
131  std::set<Edition> _runningKernelEditionVariants;
135  bool _keepRunning = true;
136  bool _detectedRunning = false;
137  };
138 
143  bool PurgeKernels::Impl::removePackageAndCheck( const sat::Solvable slv, const std::set<sat::Solvable> &keepList , const std::set<sat::Solvable> &removeList ) const
144  {
145  const filter::ByStatus toBeUninstalledFilter( &ResStatus::isToBeUninstalled );
146 
147  PoolItem pi ( slv );
148 
149  auto pool = ResPool::instance();
150 
151  // make sure the pool is clean
152  if ( !pool.resolver().resolvePool() ) {
153  MIL << "Pool failed to resolve, not doing anything" << std::endl;
154  return false;
155  }
156 
157  MIL << "Request to remove package: " << pi << std::endl;
158 
159  //list of packages that are allowed to be removed automatically.
160  const str::regex validRemovals("(kernel-syms(-.*)?|kgraft-patch(-.*)?|kernel-(.*)-livepatch(-.*)?|kernel-livepatch(-.*)?|.*-kmp(-.*)?)");
161 
162  if ( pi.status().isLocked() ) {
163  MIL << "Package " << pi << " is locked by the user, not removing." << std::endl;
164  return false;
165  }
166 
167  //remember which packages are already marked for removal, we do not need to check them again
168  std::set<sat::Solvable> currentSetOfRemovals;
169  for ( const PoolItem & p : pool.byStatus( toBeUninstalledFilter ) ) {
170  currentSetOfRemovals.insert( p.satSolvable() );
171  }
172 
174 
175  if ( !pool.resolver().resolvePool() ) {
176  MIL << "Failed to resolve pool, skipping " << pi << std::endl;
177  pool.resolver().problems();
178  pi.statusReset();
179 
180  return false;
181  }
182 
183  std::set<sat::Solvable> removedInThisRun;
184  removedInThisRun.insert( slv );
185 
186  for ( const PoolItem & p : pool.byStatus( toBeUninstalledFilter ) ) {
187 
188  //check if that package is removeable
189  if ( p.status().isByUser() //this was set by us, ignore it
190  || (currentSetOfRemovals.find( p.satSolvable() ) != currentSetOfRemovals.end()) //this was marked by a previous removal, ignore them
191  )
192  continue;
193 
194  // remember for later we need remove the debugsource and debuginfo packages as well
195  removedInThisRun.insert( p.satSolvable() );
196 
197  MIL << "Package " << p << " was marked by the solver for removal." << std::endl;
198 
199  // if we do not plan to remove that package anyway, we need to check if its allowed to be removed ( package in removelist can never be in keep list )
200  if ( removeList.find( p.satSolvable() ) != removeList.end() )
201  continue;
202 
203  if ( keepList.find( p.satSolvable() ) != keepList.end() ) {
204  MIL << "Package " << p << " is in keep spec, skipping" << pi << std::endl;
205  pi.statusReset();
206  return false;
207  }
208 
209  /*
210  * bsc#1185325 We can not solely rely on name matching to figure out
211  * which packages are kmod's, in SLES from Leap 15.3 forward we have the
212  * kernel-flavour-extra packages ( and others similarly named ) that are basically
213  * a collection of kmod's. So checking the name for .*-kmp(-.*)? is not enough.
214  * We first check if the package provides kmod(*) or ksym(*) and only fall back to name
215  * checking if that is not the case.
216  * Just to be safe I'll leave the regex in the fallback case as well, but it should be completely
217  * redundant now.
218  */
219  bool mostLikelyKmod = false;
220  StrMatcher matchMod( "kmod(*)", Match::GLOB );
221  StrMatcher matchSym( "ksym(*)", Match::GLOB );
222  for ( const auto &prov : p.provides() ) {
223  if ( matchMod.doMatch( prov.detail().name().c_str()) || matchSym.doMatch( prov.detail().name().c_str() ) ) {
224  mostLikelyKmod = true;
225  break;
226  }
227  }
228 
229  if ( mostLikelyKmod ) {
230  MIL << "Package " << p << " is most likely a kmod " << std::endl;
231  } else {
232  str::smatch what;
233  if ( !str::regex_match( p.name(), what, validRemovals) ) {
234  MIL << "Package " << p << " should not be removed, skipping " << pi << std::endl;
235  pi.statusReset();
236  return false;
237  }
238  }
239  }
240 
241  MIL << "Successfully marked package: " << pi << " for removal."<<std::endl;
242 
243  //now check and mark the -debugsource and -debuginfo packages for this package and all the packages that were removed. Maybe collect it before and just remove here
244  MIL << "Trying to remove debuginfo for: " << pi <<"."<<std::endl;
245  for ( sat::Solvable solvable : removedInThisRun ) {
246 
247  if ( solvable.arch() == Arch_noarch ||
248  solvable.arch() == Arch_empty )
249  continue;
250 
251  for ( const char * suffix : { "-debugsource", "-debuginfo" } ) {
252  PoolQuery q;
254  q.addDependency( sat::SolvAttr::provides, Capability( solvable.name()+suffix, Rel::EQ, solvable.edition() ) );
255  q.setInstalledOnly();
256  q.setMatchExact();
257 
258  for ( sat::Solvable debugPackage : q ) {
259 
260  if ( debugPackage.arch() != solvable.arch() )
261  continue;
262 
263  MIL << "Found debug package for " << solvable << " : " << debugPackage << std::endl;
264  //if removing the package fails it will not stop us from going on , so no need to check
265  removePackageAndCheck( debugPackage, keepList, removeList );
266  }
267  }
268  }
269  MIL << "Finished removing debuginfo for: " << pi <<"."<<std::endl;
270 
271  return true;
272  }
273 
278  {
279  if ( a == b )
280  return true;
281 
282  // the build counter should not be considered here, so if there is one we cut it off
283  const str::regex buildCntRegex( "\\.[0-9]+($|\\.g[0-9a-f]{7}$)", str::regex::match_extended );
284 
285  std::string versionStr = b.asString();
286  str::smatch matches;
287  if ( buildCntRegex.matches( versionStr.data(), matches ) ) {
288  if ( matches.size() >= 2 ) {
289  versionStr.replace( matches.begin(0), (matches.end(0) - matches.begin(0))+1, matches[1] );
290  return a == Edition(versionStr);
291  }
292  }
293  return false;
294  }
295 
300  {
301  //keep spec parse regex, make sure to edit the group offsets if changing this regex
302  const str::regex specRegex( "^(latest|oldest)([+-][0-9]+)?$", str::regex::match_extended );
303 
304  const unsigned tokenGrp = 1; //index of the group matching the token
305  const unsigned modifierGrp = 2; //index of the group matching the offset modifier
306 
307 
308  MIL << "Parsing keep spec: " << _keepSpec << std::endl;
309 
310  std::vector<std::string> words;
311  str::split( _keepSpec, std::back_inserter(words), ",", str::TRIM );
312  if ( words.empty() ) {
313  WAR << "Invalid keep spec: " << _keepSpec << " using default latest,running." << std::endl;
314  return;
315  }
316 
317  _keepRunning = false;
318  _keepLatestOffsets.clear();
319  _keepOldestOffsets.clear();
320 
321  for ( const std::string &word : words ) {
322  if ( word == "running" ) {
323  _keepRunning = true;
324  } else {
325  str::smatch what;
326  if ( !str::regex_match( word, what, specRegex ) ) {
327  // Allow uname_r version numbers by cutting off any postfix that comes after a second dash, including the second dash.
328  // Github-Issue openSUSE/zypper#418
329  std::string_view edition(word);
330  const auto firstDash = word.find_first_of ('-');
331  if ( firstDash != std::string::npos ) {
332  const auto secondDash = word.find_first_of ('-', firstDash+1 );
333  if ( secondDash != std::string::npos ) {
334  WAR << "Ignoring possible flavor postfix:'"<< word.substr (secondDash) <<"' in keep spec: " << word << std::endl;
335  edition = std::string_view( word.c_str (), secondDash );
336  }
337  }
338  _keepSpecificEditions.insert( Edition(IdString(edition)) );
339  continue;
340  }
341 
342  auto addKeepOff = []( const auto &off, auto &set, const auto &constraint ){
343  const off_t num = off.empty() ? 0 : str::strtonum<off_t>( off );
344  if ( !constraint(num) ) return false;
345  set.insert( static_cast<size_t>(std::abs(num)) );
346  return true;
347  };
348 
349  if ( what[tokenGrp] == "oldest" ) {
350  addKeepOff( what[modifierGrp], _keepOldestOffsets, [ &word ]( off_t num ) {
351  if ( num < 0 ) {
352  WAR << "Ignoring invalid modifier in keep spec: " << word << ", oldest supports only positive modifiers." << std::endl;
353  return false;
354  }
355  return true;
356  });
357  } else {
358  addKeepOff( what[modifierGrp], _keepLatestOffsets, [ &word ]( off_t num ) {
359  if ( num > 0 ) {
360  WAR << "Ignoring invalid modifier in keep spec: " << word << ", latest supports only negative modifiers." << std::endl;
361  return false;
362  }
363  return true;
364  });
365  }
366  }
367  }
368  }
369 
379  void PurgeKernels::Impl::fillKeepList( const GroupMap &installedKernels, std::set<sat::Solvable> &keepList, std::set<sat::Solvable> &removeList ) const
380  {
381 
382  const auto markAsKeep = [ &keepList, &removeList ]( sat::Solvable pck ) {
383  MIL << "Marking package " << pck << " as to keep." << std::endl;
384  keepList.insert( pck ) ;
385  removeList.erase( pck );
386  };
387 
388  const auto versionPredicate = []( const auto &editionVariants ){
389  return [ &editionVariants ]( const auto &elem ) {
390  const auto &f = std::bind( versionMatch, std::placeholders::_1, elem.first );
391  return std::any_of( editionVariants.begin(), editionVariants.end(), f );
392  };
393  };
394 
395  for ( const auto &groupInfo : installedKernels ) {
396 
397  MIL << "Starting with group " << groupInfo.first << std::endl;
398 
399  for ( const auto &archMap : groupInfo.second.archToEdMap ) {
400 
401  MIL << "Starting with arch " << archMap.first << std::endl;
402 
403  size_t currOff = 0; //the current "oldest" offset ( runs from map start to end )
404  size_t currROff = archMap.second.size() - 1; // the current "latest" offset ( runs from map end to start )
405 
406 
407  const EditionToSolvableMap &map = archMap.second;
408 
409  if ( _keepRunning
410  && ( ( archMap.first == _kernelArch && groupInfo.second.groupFlavour == _runningKernelFlavour )
411  || groupInfo.second.groupType == GroupInfo::Sources ) ) {
412 
413  MIL << "Matching packages against running kernel "<< _runningKernelFlavour << "-" <<_kernelArch << "\nVariants:\n";
414  for ( const auto &var : _runningKernelEditionVariants )
415  MIL << var << "\n";
416  MIL << std::endl;
417 
418  const auto &editionPredicate = versionPredicate( _runningKernelEditionVariants );
419  auto it = std::find_if( map.begin(), map.end(), editionPredicate );
420  if ( it == map.end() ) {
421 
422  // If we look at Sources we cannot match the flavour but we still want to keep on checking the rest of the keep spec
423  if ( groupInfo.second.groupType != GroupInfo::Sources ) {
424  MIL << "Running kernel " << _runningKernelFlavour << "-" <<_kernelArch << "\n";
425  for ( const auto &var : _runningKernelEditionVariants )
426  MIL << " Possible Variant:" << var << "\n";
427  MIL << "Not installed! \n";
428  MIL << "NOT removing any packages for flavor "<<_runningKernelFlavour<<"-"<<_kernelArch<<" ."<<std::endl;
429 
430  for ( const auto &kernelMap : map ) {
431  for( sat::Solvable pck : kernelMap.second )
432  markAsKeep(pck);
433  }
434  continue;
435  }
436 
437  } else {
438  // there could be multiple matches here because of rebuild counter, lets try to find the last one
439  MIL << "Found possible running candidate edition: " << it->first << std::endl;
440  auto nit = it;
441  for ( nit++ ; nit != map.end() && editionPredicate( *nit ) ; nit++ ) {
442  MIL << "Found possible more recent running candidate edition: " << nit->first << std::endl;
443  it = nit;
444  }
445  }
446 
447  // mark all packages of the running version as keep
448  if ( it != map.end() ) {
449  for( sat::Solvable pck : it->second ) {
450  markAsKeep(pck);
451  }
452  }
453  }
454 
455  for ( const auto &kernelMap : map ) {
456  //if we find one of the running offsets in the keepspec, we add the kernel id the the list of packages to keep
457  if ( _keepOldestOffsets.find( currOff ) != _keepOldestOffsets.end() || _keepLatestOffsets.find( currROff ) != _keepLatestOffsets.end() ) {
458  std::for_each( kernelMap.second.begin(), kernelMap.second.end(), markAsKeep );
459  }
460  currOff++;
461  currROff--;
462 
463  // a kernel package might be explicitly locked by version
464  // We need to go over all package name provides ( provides is named like the package ) and match
465  // them against the specified version to know which ones to keep. (bsc#1176740 bsc#1176192)
466  std::for_each( kernelMap.second.begin(), kernelMap.second.end(), [ & ]( sat::Solvable solv ){
467  for ( Capability prov : solv.provides() ) {
468  if ( prov.detail().name() == solv.name() && _keepSpecificEditions.count( prov.detail().ed() ) ) {
469  markAsKeep( solv );
470  break;
471  }
472  }
473  });
474  }
475  }
476  }
477  }
478 
480  : _pimpl( new Impl() )
481  {
482 
483  }
484 
486  {
487  MIL << std::endl << "--------------------- Starting to mark obsolete kernels ---------------------"<<std::endl;
488 
489  if ( _pimpl->_keepSpec.empty() ) {
490  WAR << "Keep spec is empty, removing nothing." << std::endl;
491  return;
492  }
493 
495 
497  WAR << "Unable to detect running kernel, but keeping the running kernel was requested. Not removing any packages." << std::endl;
498  return;
499  }
500 
501  auto pool = ResPool::instance();
502  pool.resolver().setForceResolve( true ); // set allow uninstall flag
503 
504  const filter::ByStatus toBeUninstalledFilter( &ResStatus::isToBeUninstalled );
505 
506  // kernel flavour regex
507  const str::regex kernelFlavourRegex("^kernel-(.*)$");
508 
509  // the map of all installed kernel packages, grouped by Flavour -> Arch -> Version -> (List of all packages in that category)
510  // devel and source packages are grouped together
511  GroupMap installedKrnlPackages;
512 
513 
514  // packages that we plan to remove
515  std::set<sat::Solvable> packagesToRemove;
516 
517  const auto addPackageToMap = [&installedKrnlPackages, &packagesToRemove] ( const GroupInfo::GroupType type, const std::string &ident, const std::string &flavour, const sat::Solvable &installedKrnlPck ) {
518 
519  if ( !installedKrnlPackages.count( ident ) )
520  installedKrnlPackages.insert( std::make_pair( ident, GroupInfo(type, flavour) ) );
521 
522  auto &groupInfo = installedKrnlPackages[ ident ];
523  if ( groupInfo.groupType != type || groupInfo.groupFlavour != flavour ) {
524  ERR << "Got inconsistent type and flavour for ident this is a BUG: " << ident << std::endl
525  << "Original Flavour-Type: "<<groupInfo.groupFlavour<<"-"<<groupInfo.groupType << std::endl
526  << "Competing Flavour-Type: "<< flavour << "-" << type << std::endl;
527  }
528 
529  const auto currArch = installedKrnlPck.arch();
530  if ( !groupInfo.archToEdMap.count( currArch ) )
531  groupInfo.archToEdMap.insert( std::make_pair( currArch , EditionToSolvableMap {} ) );
532 
533  auto &editionToSolvableMap = groupInfo.archToEdMap[ currArch ];
534 
535  // calculate the "shortest" or most generic edition of all the package name provides
536  // ( the key of the provides is the package name ). This generic edition is used to
537  // group the packages together. This should get us around the issue that uname -r does
538  // not represent the actual rpm package version anymore. ( bsc#1176740 )
539  auto currCount = INT_MAX;
540  Edition edToUse;
541  for ( Capability prov : installedKrnlPck.provides() ) {
542  if ( prov.detail().name() == installedKrnlPck.name() ) {
543  if ( edToUse == Edition::noedition ) {
544  edToUse = installedKrnlPck.edition();
545  const auto &relStr = edToUse.release();
546  currCount = std::count( relStr.begin(), relStr.end(), '.');
547  } else {
548  const auto &pckEd = prov.detail().ed();
549  const auto &relStr = pckEd.release();
550  if ( const auto pntCnt = std::count( relStr.begin(), relStr.end(), '.'); pntCnt < currCount ) {
551  currCount = pntCnt;
552  edToUse = pckEd;
553  }
554  }
555  }
556  }
557 
558  if ( !editionToSolvableMap.count( edToUse ) )
559  editionToSolvableMap.insert( std::make_pair( edToUse, SolvableList{} ) );
560 
561  editionToSolvableMap[edToUse].push_back( installedKrnlPck );
562 
563  //in the first step we collect all packages in this list, then later we will remove the packages we want to explicitly keep
564  packagesToRemove.insert( installedKrnlPck );
565  };
566 
567  // the set of satSolvables that have to be kept always
568  std::set<sat::Solvable> packagesToKeep;
569 
570  //collect the list of installed kernel packages
571  PoolQuery q;
573  q.addAttribute( sat::SolvAttr::provides, "multiversion(kernel)" );
574  q.setInstalledOnly();
575  q.setMatchExact();
576 
577  MIL << "Searching for obsolete multiversion kernel packages." << std::endl;
578 
579  for ( sat::Solvable installedKrnlPck : q ) {
580 
581  MIL << "Found installed multiversion kernel package " << installedKrnlPck << std::endl;
582 
583  if ( installedKrnlPck.provides().matches(Capability("kernel-uname-r")) ) {
584  MIL << "Identified as a kernel package " << std::endl;
585 
586  // we group kernel packages by flavour
587  str::smatch what;
588  str::regex_match( installedKrnlPck.name(), what, kernelFlavourRegex );
589  if ( what[1].empty() ) {
590  WAR << "Could not detect flavour for: " << installedKrnlPck << " ...skipping" << std::endl;
591  continue;
592  }
593 
594  std::string flavour = what[1];
595 
596  // XXX: No dashes in flavor names
597  const auto dash = flavour.find_first_of('-');
598  if ( dash != std::string::npos ) {
599  flavour = flavour.substr( 0, dash );
600  }
601 
602  // the ident for kernels is the flavour, to also handle cases like kernel-base and kernel which should be in the same group handled together
603  addPackageToMap( GroupInfo::Kernels, flavour, flavour, installedKrnlPck );
604 
605  } else {
606 
607  // if adapting the groups do not forget to explicitly handle the group when querying the matches
608  const str::regex explicitlyHandled("kernel-syms(-.*)?|kernel(-.*)?-devel");
609 
610  MIL << "Not a kernel package, inspecting more closely " << std::endl;
611 
612  // we directly handle all noarch packages that export multiversion(kernel)
613  if ( installedKrnlPck.arch() == Arch_noarch ) {
614 
615  MIL << "Handling package explicitly due to architecture (noarch)."<< std::endl;
616  addPackageToMap( GroupInfo::Sources, installedKrnlPck.name(), "", installedKrnlPck );
617 
618  } else if ( str::smatch match; str::regex_match( installedKrnlPck.name(), match, explicitlyHandled ) ) {
619 
620  // try to get the flavour from the name
621  // if we have a kernel-syms getting no flavour means we have the "default" one, otherwise we use the flavour
622  // getting no flavour for a kernel(-*)?-devel means we have the kernel-devel package otherwise the flavour specific one
623  // ...yes this is horrible
624  std::string flav;
625 
626  // first group match is a kernel-syms
627  if ( match.size() > 1 && match[1].size() )
628  flav = match[1].substr(1);
629  // second group match is a kernel-flavour-devel
630  else if ( match.size() > 2 && match[2].size() )
631  flav = match[2].substr(1);
632  else if ( installedKrnlPck.name() == "kernel-syms" )
633  flav = "default";
634 
635  MIL << "Handling package explicitly due to name match."<< std::endl;
636  addPackageToMap ( GroupInfo::RelatedBinaries, installedKrnlPck.name(), flav, installedKrnlPck );
637  } else {
638  MIL << "Package not explicitly handled" << std::endl;
639  }
640  }
641 
642  }
643 
644  MIL << "Grouped packages: " << std::endl;
645  std::for_each( installedKrnlPackages.begin(), installedKrnlPackages.end(),[]( const auto &ident ){
646  MIL << "\tGroup ident: "<<ident.first<<std::endl;
647  MIL << "\t Group type: "<<ident.second.groupType<<std::endl;
648  MIL << "\t Group flav: "<<ident.second.groupFlavour<<std::endl;
649  std::for_each( ident.second.archToEdMap.begin(), ident.second.archToEdMap.end(), []( const auto &arch) {
650  MIL << "\t\tArch: "<<arch.first<<std::endl;
651  std::for_each( arch.second.begin(), arch.second.end(), []( const auto &edition) {
652  MIL << "\t\t\tEdition: "<<edition.first<<std::endl;
653  std::for_each( edition.second.begin(), edition.second.end(), []( const auto &packageId) {
654  MIL << "\t\t\t\t "<<sat::Solvable(packageId)<<std::endl;
655  });
656  });
657  });
658  });
659 
660  _pimpl->fillKeepList( installedKrnlPackages, packagesToKeep, packagesToRemove );
661 
662  for ( sat::Solvable slv : packagesToRemove )
663  _pimpl->removePackageAndCheck( slv, packagesToKeep, packagesToRemove );
664  }
665 
666  void PurgeKernels::setUnameR( const std::string &val )
667  {
668  _pimpl->setUnameR( val );
669  }
670 
671  std::string PurgeKernels::unameR() const
672  {
673  return _pimpl->_uname_r;
674  }
675 
677  {
678  _pimpl->_kernelArch = arch;
679  }
680 
682  {
683  return _pimpl->_kernelArch;
684  }
685 
686  void PurgeKernels::setKeepSpec( const std::string &val )
687  {
688  _pimpl->_keepSpec = val;
689  }
690 
691  std::string PurgeKernels::keepSpec() const
692  {
693  return _pimpl->_keepSpec;
694  }
695 
696 }
#define MIL
Definition: Logger.h:96
ArchToEditionMap archToEdMap
Definition: PurgeKernels.cc:53
A Solvable object within the sat Pool.
Definition: Solvable.h:53
unsigned size() const
Definition: Regex.cc:106
std::string regex_substitute(const std::string &s, const regex &regex, const std::string &replacement, bool global=true)
Replaces the matched regex with the string passed in replacement.
Definition: Regex.cc:120
void addAttribute(const sat::SolvAttr &attr, const std::string &value="")
Filter by the value of the specified attr attribute.
Definition: PoolQuery.cc:884
static const ResKind package
Definition: ResKind.h:40
Regular expression.
Definition: Regex.h:94
static ZConfig & instance()
Singleton ctor.
Definition: ZConfig.cc:823
std::map< Edition, SolvableList > EditionToSolvableMap
Definition: PurgeKernels.cc:39
void fillKeepList(const GroupMap &installedKernels, std::set< sat::Solvable > &keepList, std::set< sat::Solvable > &removeList) const
std::set< size_t > _keepOldestOffsets
Architecture.
Definition: Arch.h:36
Filter solvables according to their status.
Definition: Filter.h:141
String matching (STRING|SUBSTRING|GLOB|REGEX).
Definition: StrMatcher.h:297
static const Rel EQ
Definition: Rel.h:50
std::map< Arch, EditionToSolvableMap > ArchToEditionMap
Definition: PurgeKernels.cc:40
ResStatus & status() const
Returns the current status.
Definition: PoolItem.cc:211
const Arch Arch_empty(IdString::Empty)
std::string unameR() const
bool doMatch(const char *string_r) const
Return whether string matches.
Definition: StrMatcher.cc:298
Definition: Arch.h:351
void addDependency(const sat::SolvAttr &attr, const std::string &name, const Rel &op, const Edition &edition)
Query "name|global op edition".
Definition: PoolQuery.cc:887
Access to the sat-pools string space.
Definition: IdString.h:42
void addKind(const ResKind &kind)
Filter by selectable kind.
Definition: PoolQuery.cc:871
std::string::size_type end(unsigned i) const
End index of subexpression i in match_str (or std::string::npos)
Definition: Regex.cc:100
Edition represents [epoch:]version[-release]
Definition: Edition.h:60
std::string::size_type begin(unsigned i) const
Begin index of subexpression i in match_str (or std::string::npos)
Definition: Regex.cc:97
RW_pointer< Impl > _pimpl
Definition: PurgeKernels.h:66
Match newline.
Definition: Regex.h:102
#define ERR
Definition: Logger.h:98
std::set< Edition > _keepSpecificEditions
std::string Flavour
Definition: PurgeKernels.cc:37
void setUnameR(const std::string &val)
unsigned split(const C_Str &line_r, TOutputIterator result_r, const C_Str &sepchars_r=" \, const Trim trim_r=NO_TRIM)
Split line_r into words.
Definition: String.h:531
std::string asString() const
Definition: IdStringType.h:106
ResStatus & statusReset() const
Resets status to the default state (KEEP_STATE bySOLVER; clears any lock!).
Definition: PoolItem.cc:212
static bool versionMatch(const Edition &a, const Edition &b)
void setKernelArch(const zypp::Arch &arch)
std::set< size_t > _keepLatestOffsets
std::string release() const
Release.
Definition: Edition.cc:110
#define WAR
Definition: Logger.h:97
bool removePackageAndCheck(const sat::Solvable slv, const std::set< sat::Solvable > &keepList, const std::set< sat::Solvable > &removeList) const
void setUnameR(const std::string &uname)
Definition: PurgeKernels.cc:81
std::string keepSpec() const
bool matches(const char *s, str::smatch &matches, int flags=none) const
Definition: Regex.cc:57
void setInstalledOnly()
Return only repo packages.
Definition: PoolQuery.cc:974
bool setToBeUninstalled(TransactByValue causer)
Definition: ResStatus.h:544
std::unordered_map< std::string, GroupInfo > GroupMap
Definition: PurgeKernels.cc:56
void setKeepSpec(const std::string &val)
Regular expression match result.
Definition: Regex.h:167
Arch kernelArch() const
std::list< sat::Solvable > SolvableList
Definition: PurgeKernels.cc:38
std::set< Edition > _runningKernelEditionVariants
Meta-data query API.
Definition: PoolQuery.h:90
Use POSIX Extended Regular Expression syntax when interpreting regex.
Definition: Regex.h:101
bool isToBeUninstalled() const
Definition: ResStatus.h:261
bool isLocked() const
Definition: ResStatus.h:264
void setMatchExact()
Set to match exact string instead of substring.
Definition: PoolQuery.cc:963
GroupInfo(const GroupType type=None, std::string flav="")
Definition: PurgeKernels.cc:51
A sat capability.
Definition: Capability.h:59
static const SolvAttr provides
Definition: SolvAttr.h:60
std::string multiversionKernels() const
Definition: ZConfig.cc:1213
enum zypp::GroupInfo::GroupType groupType
bool regex_match(const std::string &s, smatch &matches, const regex &regex)
regex ZYPP_STR_REGEX regex ZYPP_STR_REGEX
Definition: Regex.h:70
Combining sat::Solvable and ResStatus.
Definition: PoolItem.h:50
std::string groupFlavour
Definition: PurgeKernels.cc:54
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
static const Edition noedition
Value representing noedition ("") This is in fact a valid Edition.
Definition: Edition.h:73
static ResPool instance()
Singleton ctor.
Definition: ResPool.cc:37