libzypp  17.30.2
ZYppImpl.cc
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13 #include <iostream>
14 #include <zypp/TmpPath.h>
15 #include <zypp/base/Logger.h>
16 #include <zypp/base/String.h>
17 #include <zypp/base/Env.h>
18 
20 #include <zypp/target/TargetImpl.h>
21 #include <zypp/ZYpp.h>
22 #include <zypp/DiskUsageCounter.h>
23 #include <zypp/ZConfig.h>
24 #include <zypp/sat/Pool.h>
25 #include <zypp/PoolItem.h>
26 
27 #include <zypp/ZYppCallbacks.h> // JobReport::instance
28 
29 using std::endl;
30 
32 namespace zypp
33 {
34 
36  namespace media
37  {
39  {
40  static weak_ptr<callback::TempConnect<media::MediaChangeReport> > globalguard;
41  if ( condition_r && ! (_guard = globalguard.lock()) )
42  {
43  // aquire a new one....
45  globalguard = _guard;
46  }
47  }
48  } // namespace media
50 
52  {
53  static callback::SendReport<JobReport> _report;
54  return _report;
55  }
56 
57 
59  namespace zypp_detail
60  {
61 
63  //
64  // METHOD NAME : ZYppImpl::ZYppImpl
65  // METHOD TYPE : Constructor
66  //
68  : _target( nullptr )
69  , _resolver( new Resolver( ResPool::instance()) )
70  {
72  MIL << "Initializing keyring..." << std::endl;
73  _keyring = new KeyRing(tmpPath());
74  _keyring->allowPreload( true );
75  }
76 
78  //
79  // METHOD NAME : ZYppImpl::~ZYppImpl
80  // METHOD TYPE : Destructor
81  //
83  {}
84 
85  //------------------------------------------------------------------------
86  // add/remove resolvables
87 
89  {
90  if ( ! _disk_usage )
91  {
93  }
94  return _disk_usage->disk_usage(pool());
95  }
96 
98  {
99  _disk_usage.reset(new DiskUsageCounter());
100  _disk_usage->setMountPoints(mp);
101  }
102 
104  {
105  if (_disk_usage)
106  return _disk_usage->getMountPoints();
107  else
109  }
110 
111  //------------------------------------------------------------------------
112  // target
113 
114  Target_Ptr ZYppImpl::target() const
115  {
116  if (! _target)
117  ZYPP_THROW(Exception("Target not initialized."));
118  return _target;
119  }
120 
121  void ZYppImpl::changeTargetTo( Target_Ptr newtarget_r )
122  {
123  _target = newtarget_r;
125  resolver()->setDefaultSolverFlags( /*all_r*/false ); // just changed defaults
126  }
127 
128  void ZYppImpl::initializeTarget( const Pathname & root, bool doRebuild_r )
129  {
130  MIL << "initTarget( " << root << (doRebuild_r?", rebuilddb":"") << ")" << endl;
131  if (_target) {
132  if (_target->root() == root) {
133  MIL << "Repeated call to initializeTarget()" << endl;
134  return;
135  }
136  _target->unload();
137  }
138  changeTargetTo( new Target( root, doRebuild_r ) );
139  _target->buildCache();
140  }
141 
143  {
144  if (_target)
145  _target->unload();
146 
147  changeTargetTo( nullptr );
148  }
149 
150  //------------------------------------------------------------------------
151  // commit
152 
156  {
157  if ( getenv("ZYPP_TESTSUITE_FAKE_ARCH") )
158  {
159  ZYPP_THROW( Exception("ZYPP_TESTSUITE_FAKE_ARCH set. Commit not allowed and disabled.") );
160  }
161 
162  MIL << "Attempt to commit (" << policy_r << ")" << endl;
163  if (! _target)
164  ZYPP_THROW( Exception("Target not initialized.") );
165 
166 
167  env::ScopedSet ea { "ZYPP_IS_RUNNING", str::numstring(getpid()).c_str() };
168  env::ScopedSet eb;
169  if ( _target->chrooted() )
170  eb = env::ScopedSet( "SYSTEMD_OFFLINE", "1" ); // bsc#1118758 - indicate no systemd if chrooted install
171 
172  ZYppCommitResult res = _target->_pimpl->commit( pool(), policy_r );
173 
174  if (! policy_r.dryRun() )
175  {
176  if ( policy_r.syncPoolAfterCommit() )
177  {
178  // reload new status from target
179  DBG << "reloading " << sat::Pool::instance().systemRepoAlias() << " repo to pool" << endl;
180  _target->load();
181  }
182  else
183  {
184  DBG << "unloading " << sat::Pool::instance().systemRepoAlias() << " repo from pool" << endl;
185  _target->unload();
186  }
187  }
188 
189  MIL << "Commit (" << policy_r << ") returned: "
190  << res << endl;
191  return res;
192  }
193 
194  void ZYppImpl::installSrcPackage( const SrcPackage_constPtr & srcPackage_r )
195  {
196  if (! _target)
197  ZYPP_THROW( Exception("Target not initialized.") );
198  _target->_pimpl->installSrcPackage( srcPackage_r );
199  }
200 
201  ManagedFile ZYppImpl::provideSrcPackage( const SrcPackage_constPtr & srcPackage_r )
202  {
203  if (! _target)
204  ZYPP_THROW( Exception("Target not initialized.") );
205  return _target->_pimpl->provideSrcPackage( srcPackage_r );
206  }
207 
208  //------------------------------------------------------------------------
209  // target store path
210 
212  { return _home_path.empty() ? Pathname("/var/lib/zypp") : _home_path; }
213 
214  void ZYppImpl::setHomePath( const Pathname & path )
215  { _home_path = path; }
216 
218  { return zypp::myTmpDir(); }
219 
220  /******************************************************************
221  **
222  ** FUNCTION NAME : operator<<
223  ** FUNCTION TYPE : std::ostream &
224  */
225  std::ostream & operator<<( std::ostream & str, const ZYppImpl & obj )
226  {
227  return str << "ZYppImpl";
228  }
229 
231  } // namespace zypp_detail
233 
234  Pathname myTmpDir() // from TmpPath.h
235  {
236  static filesystem::TmpDir _tmpdir( filesystem::TmpPath::defaultLocation(), "zypp." );
237  return _tmpdir.path();
238  }
239 
241 } // namespace zypp
Reference counted access to a Tp object calling a custom Dispose function when the last AutoDispose h...
Definition: AutoDispose.h:94
Compute disk space occupied by packages across partitions/directories.
std::set< MountPoint > MountPointSet
static MountPointSet detectMountPoints(const std::string &rootdir="/")
Get mountpoints of system below rootdir If we happen to detect snapshotting btrfs partitions,...
Base class for Exception.
Definition: Exception.h:146
Gpg key handling.
Definition: KeyRing.h:187
Global ResObject pool.
Definition: ResPool.h:61
Dependency resolver interface.
Definition: Resolver.h:45
void notifyTargetChanged()
internal
Definition: ZConfig.cc:848
static ZConfig & instance()
Singleton ctor.
Definition: ZConfig.cc:823
std::ostream & about(std::ostream &str) const
Print some detail about the current libzypp version.
Definition: ZConfig.cc:1220
Options and policies for ZYpp::commit.
ZYppCommitPolicy & syncPoolAfterCommit(bool yesNo_r)
Kepp pool in sync with the Target databases after commit (default: true)
ZYppCommitPolicy & dryRun(bool yesNo_r)
Set dry run (default: false).
Result returned from ZYpp::commit.
bool empty() const
Test for an empty path.
Definition: Pathname.h:114
Provide a new empty temporary directory and recursively delete it when no longer needed.
Definition: TmpPath.h:178
static const Pathname & defaultLocation()
Definition: TmpPath.cc:157
Pathname path() const
Definition: TmpPath.cc:146
static Pool instance()
Singleton ctor.
Definition: Pool.h:55
static const std::string & systemRepoAlias()
Reserved system repository alias @System .
Definition: Pool.cc:46
DiskUsageCounter::MountPointSet getPartitions() const
Definition: ZYppImpl.cc:103
ResPool pool() const
Definition: ZYppImpl.h:50
ZYppImpl()
Default ctor.
Definition: ZYppImpl.cc:67
void setPartitions(const DiskUsageCounter::MountPointSet &mp)
Definition: ZYppImpl.cc:97
Target_Ptr target() const
Definition: ZYppImpl.cc:114
void setHomePath(const Pathname &path)
set the home, if you need to change it
Definition: ZYppImpl.cc:214
Resolver_Ptr resolver() const
Definition: ZYppImpl.h:61
Pathname tmpPath() const
Get the path where zypp related plugins store tmp data
Definition: ZYppImpl.cc:217
ZYppCommitResult commit(const ZYppCommitPolicy &policy_r)
Commit changes and transactions.
Definition: ZYppImpl.cc:155
void changeTargetTo(Target_Ptr newtarget_r)
Hook for actions to trigger if the Target changes (initialize/finish)
Definition: ZYppImpl.cc:121
void installSrcPackage(const SrcPackage_constPtr &srcPackage_r)
Install a source package on the Target.
Definition: ZYppImpl.cc:194
shared_ptr< DiskUsageCounter > _disk_usage
defined mount points, used for disk usage counting
Definition: ZYppImpl.h:126
ManagedFile provideSrcPackage(const SrcPackage_constPtr &srcPackage_r)
Install a source package on the Target.
Definition: ZYppImpl.cc:201
Pathname homePath() const
Get the path where zypp related plugins store persistent data and caches
Definition: ZYppImpl.cc:211
DiskUsageCounter::MountPointSet diskUsage()
Definition: ZYppImpl.cc:88
void initializeTarget(const Pathname &root, bool doRebuild_r)
Definition: ZYppImpl.cc:128
String related utilities and Regular expression matching.
std::string numstring(char n, int w=0)
Definition: String.h:289
std::ostream & operator<<(std::ostream &str, const ZYppImpl &obj)
Definition: ZYppImpl.cc:225
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:2
Pathname myTmpDir()
Global access to the zypp.TMPDIR (created on demand, deleted when libzypp is unloaded)
Definition: ZYppImpl.cc:234
static callback::SendReport< JobReport > & instance()
Singleton sender instance.
Definition: ZYppImpl.cc:51
Temporarily connect a ReceiveReport then restore the previous one.
Definition: Callback.h:285
Temporarily set/unset an environment variable.
Definition: Env.h:29
ScopedDisableMediaChangeReport(bool condition_r=true)
Disbale MediaChangeReport if condition_r is true.
Definition: ZYppImpl.cc:38
shared_ptr< callback::TempConnect< media::MediaChangeReport > > _guard
#define nullptr
Definition: Easy.h:55
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
Definition: Exception.h:428
#define DBG
Definition: Logger.h:95
#define MIL
Definition: Logger.h:96