libzypp  17.31.31
DefaultLoadSystem.cc
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12 #include <iostream>
13 
14 #include <zypp/base/LogTools.h>
15 #include <zypp/PathInfo.h>
16 
18 
19 #include <zypp/ZYppFactory.h>
21 #include <zypp/Target.h>
22 #include <zypp/RepoManager.h>
23 #include <zypp/sat/Pool.h>
24 
25 using std::endl;
26 
27 #undef ZYPP_BASE_LOGGER_LOGGROUP
28 #define ZYPP_BASE_LOGGER_LOGGROUP "zypp::misc"
29 
31 namespace zypp
32 {
33  namespace misc
35  {
36 
37  void defaultLoadSystem( const Pathname & sysRoot_r, LoadSystemFlags flags_r )
38  {
39  if ( not flags_r && geteuid() != 0 ) {
40  flags_r |= LS_NOREFRESH;
41  }
42  MIL << str::form( "*** Load system at '%s' (%lx)", sysRoot_r.c_str(), (unsigned long)flags_r ) << endl;
43 
44  if ( ! PathInfo( sysRoot_r ).isDir() )
45  ZYPP_THROW( Exception(str::form("sysRoot_r argument needs to be a directory. (%s)", sysRoot_r.c_str())) );
46 
48  ZYPP_THROW( Exception("ZYpp instance is already created. (Call this method earlier.)") );
49 
50  if ( flags_r.testFlag( LS_READONLY ) )
52 
53  sat::Pool satpool( sat::Pool::instance() );
54 
55  if ( 1 )
56  {
57  MIL << "*** load target '" << Repository::systemRepoAlias() << "'\t" << endl;
58  getZYpp()->initializeTarget( sysRoot_r );
59  getZYpp()->target()->load();
60  MIL << satpool.systemRepo() << endl;
61  }
62 
63  if ( not flags_r.testFlag( LS_NOREPOS ) )
64  {
65  RepoManager repoManager( sysRoot_r );
66  RepoInfoList repos = repoManager.knownRepositories();
67  for_( it, repos.begin(), repos.end() )
68  {
69  RepoInfo & nrepo( *it );
70 
71  if ( ! nrepo.enabled() )
72  continue;
73 
74  if ( ! flags_r.testFlag( LS_NOREFRESH ) )
75  {
76  if ( repoManager.isCached( nrepo )
77  && ( nrepo.type() == repo::RepoType::RPMPLAINDIR // refreshes always
78  || repoManager.checkIfToRefreshMetadata( nrepo, nrepo.url() ) == RepoManager::REFRESH_NEEDED ) )
79  {
80  MIL << str::form( "*** clean cache for repo '%s'\t", nrepo.name().c_str() ) << endl;
81  repoManager.cleanCache( nrepo );
82  MIL << str::form( "*** refresh repo '%s'\t", nrepo.name().c_str() ) << endl;
83  repoManager.refreshMetadata( nrepo );
84  }
85  }
86 
87  if ( ! repoManager.isCached( nrepo ) )
88  {
89  MIL << str::form( "*** build cache for repo '%s'\t", nrepo.name().c_str() ) << endl;
90  repoManager.buildCache( nrepo );
91  }
92 
93  MIL << str::form( "*** load repo '%s'\t", nrepo.name().c_str() ) << std::flush;
94  try
95  {
96  repoManager.loadFromCache( nrepo );
97  MIL << satpool.reposFind( nrepo.alias() ) << endl;
98  }
99  catch ( const Exception & exp )
100  {
101  ERR << "*** load repo failed: " << exp.asString() + "\n" + exp.historyAsString() << endl;
102  ZYPP_RETHROW ( exp );
103  }
104  }
105  }
106  MIL << str::form( "*** Read system at '%s'", sysRoot_r.c_str() ) << endl;
107  }
108 
110  } // namespace misc
113 } // namespace zypp
RefreshCheckStatus checkIfToRefreshMetadata(const RepoInfo &info, const Url &url, RawMetadataRefreshPolicy policy)
#define MIL
Definition: Logger.h:96
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
Definition: Exception.h:428
bool haveZYpp() const
Whether the ZYpp instance is already created.
Definition: ZYppFactory.cc:460
void IWantIt() ZYPP_DEPRECATED
Definition: ZYppFactory.cc:84
#define for_(IT, BEG, END)
Convenient for-loops using iterator.
Definition: Easy.h:28
const char * c_str() const
String representation.
Definition: Pathname.h:110
What is known about a repository.
Definition: RepoInfo.h:71
static ZYppFactory instance()
Singleton ctor.
Definition: ZYppFactory.cc:361
std::string form(const char *format,...) __attribute__((format(printf
Printf style construction of std::string.
Definition: String.cc:36
bool enabled() const
If enabled is false, then this repository must be ignored as if does not exists, except when checking...
void buildCache(const RepoInfo &info, CacheBuildPolicy policy, OPT_PROGRESS)
#define ERR
Definition: Logger.h:98
void loadFromCache(const RepoInfo &info, OPT_PROGRESS)
Repository systemRepo()
Return the system repository, create it if missing.
Definition: Pool.cc:178
Url url() const
Pars pro toto: The first repository url.
Definition: RepoInfo.h:131
#define ZYPP_RETHROW(EXCPT)
Drops a logline and rethrows, updating the CodeLocation.
Definition: Exception.h:440
static Pool instance()
Singleton ctor.
Definition: Pool.h:55
void defaultLoadSystem(const Pathname &sysRoot_r, LoadSystemFlags flags_r)
Create the ZYpp instance and load target and enabled repositories.
std::string alias() const
unique identifier for this source.
std::string asString() const
Error message provided by dumpOn as string.
Definition: Exception.cc:75
RepoInfoList repos
Definition: RepoManager.cc:285
std::string historyAsString() const
The history as string.
Definition: Exception.cc:146
bool isCached(const RepoInfo &info) const
Definition: RepoManager.cc:630
// Don&#39;t refresh existing repos.
void refreshMetadata(const RepoInfo &info, RawMetadataRefreshPolicy policy, OPT_PROGRESS)
// Create readonly ZYpp instance.
Repository reposFind(const std::string &alias_r) const
Find a Repository named alias_r.
Definition: Pool.cc:163
Base class for Exception.
Definition: Exception.h:145
std::list< RepoInfo > knownRepositories() const
List of known repositories.
Definition: RepoManager.h:169
std::string name() const
Repository name.
Global sat-pool.
Definition: Pool.h:46
Wrapper class for ::stat/::lstat.
Definition: PathInfo.h:220
static const RepoType RPMPLAINDIR
Definition: RepoType.h:31
static const std::string & systemRepoAlias()
Reserved system repository alias .
Definition: Repository.cc:37
// Don&#39;t loag existing repos (just Target).
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
repo::RepoType type() const
Type of repository,.
Definition: RepoInfo.cc:689
void cleanCache(const RepoInfo &info, OPT_PROGRESS)