Added drive --comment and --reason fields in the objectstore

Adapted the cta-admin commands so that we can set the --reason and the
--comment

cmdline/CtaAdminCmdParse.hpp

@@ -321,7 +321,8 @@ const std::map<std::string, OptionString::Key> strOptions = {
    { "--vo",                    OptionString::VO },
    { "--disksystem",            OptionString::DISK_SYSTEM },
    { "--fileregexp",            OptionString::FILE_REGEXP },
-   { "--freespacequeryurl",     OptionString::FREE_SPACE_QUERY_URL }
+   { "--freespacequeryurl",     OptionString::FREE_SPACE_QUERY_URL },
+   { "--reason",                OptionString::REASON }
 };
 
 
@@ -343,7 +344,7 @@ const std::map<AdminCmd::Cmd, CmdHelp> cmdHelp = {
    { AdminCmd::CMD_ADMIN,                { "admin",                "ad",  { "add", "ch", "rm", "ls" } }},
    { AdminCmd::CMD_ARCHIVEFILE,          { "archivefile",          "af",  { "ls" } }},
    { AdminCmd::CMD_ARCHIVEROUTE,         { "archiveroute",         "ar",  { "add", "ch", "rm", "ls" } }},
-   { AdminCmd::CMD_DRIVE,                { "drive",                "dr",  { "up", "down", "ls", "rm" },
+   { AdminCmd::CMD_DRIVE,                { "drive",                "dr",  { "up", "down", "ls", "ch", "rm" },
                         "\n  This is a synchronous command that sets and reads back the state of one or\n"
                           "  more drives. The <drive_name> option accepts a regular expression. If the\n"
                           "  --force option is not set, the drives will complete any running mount and\n"
@@ -479,6 +480,7 @@ const Option opt_free_space_query_url { Option::OPT_STR,  "--freespacequeryurl",
 const Option opt_refresh_interval     { Option::OPT_UINT,  "--refreshinterval",      "-i", " <refresh_intreval>" };
 const Option opt_targeted_free_space  { Option::OPT_UINT,  "--targetedfreespace",    "-f", " <targeted_free_space>" };
 const Option opt_sleep_time           { Option::OPT_UINT,  "--sleeptime",            "-s", " <sleep time in s>" };
+const Option opt_reason               { Option::OPT_STR,   "--reason",               "-r", " <reason_status_change>" };
 
 /*!
  * Map valid options to commands
@@ -502,10 +504,11 @@ const std::map<cmd_key_t, cmd_val_t> cmdOptions = {
    {{ AdminCmd::CMD_ARCHIVEROUTE,         AdminCmd::SUBCMD_RM    }, { opt_storageclass, opt_copynb }},
    {{ AdminCmd::CMD_ARCHIVEROUTE,         AdminCmd::SUBCMD_LS    }, { }},
    /*----------------------------------------------------------------------------------------------------*/
-   {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_UP    }, { opt_drivename_cmd }},
-   {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_DOWN  }, { opt_drivename_cmd, opt_force_flag.optional() }},
+   {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_UP    }, { opt_drivename_cmd, opt_reason.optional() }},
+   {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_DOWN  }, { opt_drivename_cmd, opt_reason, opt_force_flag.optional() }},
    {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_LS    }, { opt_drivename.optional() }},
    {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_RM    }, { opt_drivename_cmd, opt_force_flag.optional() }},
+   {{ AdminCmd::CMD_DRIVE,                AdminCmd::SUBCMD_CH    }, { opt_drivename_cmd, opt_comment }},
    /*----------------------------------------------------------------------------------------------------*/
    {{ AdminCmd::CMD_FAILEDREQUEST,        AdminCmd::SUBCMD_LS    },
       { opt_justarchive.optional(), opt_justretrieve.optional(), opt_tapepool.optional(),

common/dataStructures/DesiredDriveState.cpp

@@ -18,6 +18,32 @@
 
 #include "DesiredDriveState.hpp"
 
+namespace cta {
+namespace common {
+namespace dataStructures {
+
+DesiredDriveState::DesiredDriveState(const DesiredDriveState& ds) {
+  if(this != &ds){
+    up = ds.up;
+    forceDown = ds.forceDown;
+    reason = ds.reason;
+    comment = ds.comment;
+  }
+}
+
+DesiredDriveState& DesiredDriveState::operator=(const DesiredDriveState& ds) {
+  if(this != &ds){
+    up = ds.up;
+    forceDown = ds.forceDown;
+    reason = ds.reason;
+    comment = ds.comment;
+  }
+  return *this;
+}
+
+}}}
+
+
 std::ostream &cta::common::dataStructures::operator<<(std::ostream& os, const DesiredDriveState& obj) {
   std::string upStr(obj.up?"true":"false"),
           forceStr(obj.forceDown?"true":"false");

common/dataStructures/DesiredDriveState.hpp

@@ -19,6 +19,7 @@
 #pragma once
 
 #include <ostream>
+#include "common/optional.hpp"
 
 namespace cta {
 namespace common {
@@ -30,8 +31,12 @@ namespace dataStructures {
  * at startup).
  */
 struct DesiredDriveState {
+  DesiredDriveState(const DesiredDriveState & ds);
+  DesiredDriveState & operator=(const DesiredDriveState & ds);
   bool up;        ///< Should the drive be up?
   bool forceDown; ///< Should going down preempt an existig mount?
+  cta::optional<std::string> reason; ///< The reason why operators put the drive down or up
+  cta::optional<std::string> comment; ///< General informations about the drive given by the operators
   bool operator==(const DesiredDriveState &rhs) const {
     return up == rhs.up && forceDown == rhs.forceDown;
   }

objectstore/DriveState.cpp

@@ -109,6 +109,12 @@ cta::common::dataStructures::DriveState DriveState::getState() {
   ret.currentTapePool             = m_payload.currenttapepool();
   ret.currentPriority             = m_payload.current_priority();
   ret.ctaVersion                  = m_payload.cta_version();
+  if(m_payload.has_reason()){
+    ret.desiredDriveState.reason = m_payload.reason();
+  }
+  if(m_payload.has_comment()){
+    ret.desiredDriveState.comment = m_payload.comment();
+  }
   for(auto & driveConfigItem: m_payload.drive_config()){
     ret.driveConfigItems.push_back({driveConfigItem.category(),driveConfigItem.key(),driveConfigItem.value(),driveConfigItem.source()});
   }
@@ -158,11 +164,25 @@ void DriveState::setState(cta::common::dataStructures::DriveState& state) {
   m_payload.set_shutdowntime(state.shutdownTime);
   m_payload.set_mounttype((uint32_t)state.mountType);
   m_payload.set_drivestatus((uint32_t)state.driveStatus);
-  m_payload.set_desiredup(state.desiredDriveState.up);
-  m_payload.set_desiredforcedown(state.desiredDriveState.forceDown);
+  common::dataStructures::DesiredDriveState desiredDriveState = state.desiredDriveState;
+  m_payload.set_desiredup(desiredDriveState.up);
+  m_payload.set_desiredforcedown(desiredDriveState.forceDown);
   m_payload.set_currentvid(state.currentVid);
   m_payload.set_currenttapepool(state.currentTapePool);
   m_payload.set_current_priority(state.currentPriority);
+  cta::optional<std::string> reason = desiredDriveState.reason;
+  cta::optional<std::string> comment = desiredDriveState.comment;
+  if(reason) {
+    if(reason.value().empty()){
+      //The only way to erase a reason is to set the optional value to an empty string
+      m_payload.clear_reason();
+    } else {
+      m_payload.set_reason(reason.value());
+    }
+  }
+  if(comment) {
+    m_payload.set_comment(comment.value());
+  }
   if (state.currentActivityAndWeight) {
     m_payload.set_current_activity(state.currentActivityAndWeight.value().activity);
     m_payload.set_current_activity_weight(state.currentActivityAndWeight.value().weight);

objectstore/cta.proto

@@ -264,6 +264,8 @@ message DriveState {
   optional string dev_file_name = 5036;
   optional string raw_library_slot = 5037;
   repeated DriveConfig drive_config = 5038;
+  optional string reason = 5039;
+  optional string comment = 5040;
 // TODO: implement or remove  required EntryLog creationlog = 5023;
 }
 

scheduler/OStoreDB/OStoreDB.cpp

@@ -2777,8 +2777,14 @@ void OStoreDB::setDesiredDriveState(const std::string& drive, const common::data
   objectstore::DriveState ds(m_objectStore);
   ScopedExclusiveLock dsl;
   Helpers::getLockedAndFetchedDriveState(ds, dsl, *m_agentReference, drive, lc);
+  common::dataStructures::DesiredDriveState newDesiredState = desiredState;
   auto driveState = ds.getState();
-  driveState.desiredDriveState = desiredState;
+  if(desiredState.comment){
+    //In case we modify the comment, we want to keep the same status and forceDown of the drive
+    newDesiredState.up = driveState.desiredDriveState.up;
+    newDesiredState.forceDown = driveState.desiredDriveState.forceDown;
+  }
+  driveState.desiredDriveState = newDesiredState;
   ds.setState(driveState);
   ds.commit();
 }

scheduler/OStoreDB/OStoreDBTest.cpp

@@ -28,6 +28,7 @@
 #include "objectstore/BackendRadosTestSwitch.hpp"
 #include "MemQueues.hpp"
 #include "catalogue/InMemoryCatalogue.hpp"
+#include "objectstore/DriveState.hpp"
 
 namespace unitTests {
 
@@ -231,6 +232,116 @@ TEST_P(OStoreDBTest, MemQueuesSharedAddToArchiveQueue) {
   ASSERT_EQ(filesToDo, osdbi.getArchiveJobs("tapepool").size());
 }
 
+TEST_P(OStoreDBTest, setDesiredState){
+  using namespace cta::objectstore;
+  cta::log::StringLogger logger("dummy", "OStoreAbstractTest", cta::log::DEBUG);
+  cta::log::LogContext lc(logger);
+  // Get the OStoreBDinterface
+  OStoreDBWrapperInterface & osdbi = getDb();
+  AgentReference & agentRef = osdbi.getAgentReference();
+  //Create the drive first
+  std::string driveName = "DRIVE";
+  {
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc);
+  }
+  cta::common::dataStructures::DesiredDriveState desiredState;
+  desiredState.up = false;
+  desiredState.forceDown = false;
+  cta::common::dataStructures::DriveState driveState;
+  {
+    //Test the reason and comment fields are empty
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(driveState.desiredDriveState.reason);
+    ASSERT_FALSE(driveState.desiredDriveState.comment);
+  }
+  {
+    //Testing the addition of a comment
+    desiredState.comment = "comment";
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(driveState.desiredDriveState.reason);
+    ASSERT_EQ(desiredState.comment,driveState.desiredDriveState.comment.value());
+  }
+  {
+    //Testing the changing of a comment
+    desiredState.comment = "NewComment";
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(driveState.desiredDriveState.reason);
+    ASSERT_EQ(desiredState.comment,driveState.desiredDriveState.comment.value());
+  }
+  {
+    //Testing the addition of a reason
+    desiredState.reason = "reason";
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(!driveState.desiredDriveState.reason);
+    ASSERT_FALSE(!driveState.desiredDriveState.comment);
+    ASSERT_EQ(desiredState.reason,driveState.desiredDriveState.reason.value());
+  }
+  {
+    //Testing the modification of a reason
+    desiredState.reason = "reason2";
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(!driveState.desiredDriveState.reason);
+    ASSERT_EQ(desiredState.reason,driveState.desiredDriveState.reason.value());
+  }
+  {
+    //Testing reason not modified when optional not set
+    std::string reasonBefore = desiredState.reason.value();
+    desiredState.reason = cta::optional<std::string>();
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_EQ(reasonBefore,driveState.desiredDriveState.reason);
+  }
+  {
+    //Testing the deletion of a reason
+    desiredState.reason = "";
+    osdbi.setDesiredDriveState(driveName,desiredState,lc);
+    DriveState ds(osdbi.getBackend());
+    ScopedExclusiveLock dsl;
+    Helpers::getLockedAndFetchedDriveState(ds, dsl, agentRef, driveName, lc, Helpers::CreateIfNeeded::doNotCreate);
+    driveState = ds.getState();
+    ASSERT_EQ(cta::common::dataStructures::DriveStatus::Down, driveState.driveStatus);
+    ASSERT_EQ(driveName, driveState.driveName);
+    ASSERT_FALSE(driveState.desiredDriveState.reason);
+  }
+}
+
 static cta::objectstore::BackendVFS osVFS(__LINE__, __FILE__);
 #ifdef TEST_RADOS
 static cta::OStoreDBFactory<cta::objectstore::BackendRados> OStoreDBFactoryRados("rados://tapetest@tapetest");

scheduler/Scheduler.cpp

@@ -772,17 +772,16 @@ common::dataStructures::DesiredDriveState Scheduler::getDesiredDriveState(const
 //------------------------------------------------------------------------------
 // setDesiredDriveState
 //------------------------------------------------------------------------------
-void Scheduler::setDesiredDriveState(const common::dataStructures::SecurityIdentity &cliIdentity, const std::string &driveName, const bool up, const bool force, log::LogContext & lc) {
+void Scheduler::setDesiredDriveState(const common::dataStructures::SecurityIdentity &cliIdentity, const std::string &driveName, const common::dataStructures::DesiredDriveState & desiredState, log::LogContext & lc) {
   utils::Timer t;
-  common::dataStructures::DesiredDriveState desiredDriveState;
-  desiredDriveState.up = up;
-  desiredDriveState.forceDown = force;
-  m_db.setDesiredDriveState(driveName, desiredDriveState, lc);
+  m_db.setDesiredDriveState(driveName, desiredState, lc);
   auto schedulerDbTime = t.secs();
   log::ScopedParamContainer spc(lc);
   spc.add("drive", driveName)
-     .add("up", up?"up":"down")
-     .add("force", force?"yes":"no")
+     .add("up", desiredState.up ? "up" : "down")
+     .add("force", desiredState.forceDown ? "yes" : "no")
+     .add("reason",desiredState.reason ? desiredState.reason.value() : "")
+     .add("comment", desiredState.comment ? desiredState.comment.value() : "")
      .add("schedulerDbTime", schedulerDbTime);
    lc.log(log::INFO, "In Scheduler::setDesiredDriveState(): success.");   
 }

scheduler/Scheduler.hpp

@@ -225,11 +225,10 @@ public:
    * on hardware failures.
    * @param cliIdentity The identity of the user requesting the drive to put up of down.
    * @param driveName The drive name
-   * @param up indicates whether the drive should be put up or down.
-   * @param force indicates whether we want to force the drive to be up.
-   */ //TODO: replace the 2 bools with a structure.
-  void setDesiredDriveState(const cta::common::dataStructures::SecurityIdentity &cliIdentity,
-    const std::string &driveName, const bool up, const bool force, log::LogContext & lc);
+   * @param desiredState, the structure that contains the desired state informations
+   */
+  void setDesiredDriveState(const cta::common::dataStructures::SecurityIdentity &cliIdentity, const std::string & driveName,
+    const common::dataStructures::DesiredDriveState & desiredState, log::LogContext & lc);
   
   /**
    * Remove drive from the drive register.

tapeserver/castor/tape/tapeserver/daemon/DataTransferSession.cpp

@@ -143,7 +143,10 @@ schedule:
     if (!emptyDriveProbe.driveIsEmpty()) {
       m_scheduler.reportDriveStatus(m_driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, lc);
       cta::common::dataStructures::SecurityIdentity securityIdentity;
-      m_scheduler.setDesiredDriveState(securityIdentity, m_driveConfig.unitName, false, false, lc);
+      cta::common::dataStructures::DesiredDriveState driveState;
+      driveState.up = false;
+      driveState.forceDown = false;
+      m_scheduler.setDesiredDriveState(securityIdentity, m_driveConfig.unitName, driveState, lc);
       lc.log(cta::log::ERR, "A tape was detected in the drive. Putting the drive back down.");
       goto schedule;
     } else {
@@ -164,7 +167,10 @@ schedule:
     lc.logBacktrace(cta::log::ERR, e.backtrace());
     m_scheduler.reportDriveStatus(m_driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, lc);
     cta::common::dataStructures::SecurityIdentity cliId;
-    m_scheduler.setDesiredDriveState(cliId, m_driveConfig.unitName, false, false, lc);
+    cta::common::dataStructures::DesiredDriveState driveState;
+    driveState.up = false;
+    driveState.forceDown = false;
+    m_scheduler.setDesiredDriveState(cliId, m_driveConfig.unitName, driveState, lc);
     return MARK_DRIVE_AS_DOWN;
   }
   // No mount to be done found, that was fast...

tapeserver/castor/tape/tapeserver/daemon/DataTransferSessionTest.cpp

@@ -479,7 +479,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionGooddayRecall) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // 7) Create the data transfer session
   DataTransferConfig castorConf;
@@ -683,7 +686,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionWrongRecall) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // 7) Create the data transfer session
   DataTransferConfig castorConf;
@@ -888,7 +894,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionRAORecall) {
   driveInfo.logicalLibrary=driveConfig.rawLibrarySlot;
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // 7) Create the data transfer session
   DataTransferConfig castorConf;
@@ -1065,7 +1074,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionNoSuchDrive) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // 8) Create the data transfer session
   DataTransferConfig castorConf;
@@ -1212,7 +1224,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionFailtoMount) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // 8) Create the data transfer session
   DataTransferConfig castorConf;
@@ -1342,7 +1357,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionGooddayMigration) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // Create the data transfer session
   DataTransferConfig castorConf;
@@ -1490,7 +1508,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionMissingFilesMigration) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // Create the data transfer session
   DataTransferConfig castorConf;
@@ -1647,7 +1668,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionTapeFullMigration) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
 
   // Create the data transfer session
   DataTransferConfig castorConf;
@@ -1807,7 +1831,10 @@ TEST_P(DataTransferSessionTest, DataTransferSessionTapeFullOnFlushMigration) {
   driveInfo.host=="host";
   // We need to create the drive in the registry before being able to put it up.
   scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, logContext);
-  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, true, false, logContext);
+  cta::common::dataStructures::DesiredDriveState driveState;
+  driveState.up = true;
+  driveState.forceDown = false;
+  scheduler.setDesiredDriveState(s_adminOnAdminHost, driveConfig.unitName, driveState, logContext);
   
   // Create the data transfer session
   DataTransferConfig castorConf;

tapeserver/daemon/DriveHandler.cpp

@@ -961,7 +961,10 @@ int DriveHandler::runChild() {
       driveInfo.host=hostname;
       scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, lc);
       cta::common::dataStructures::SecurityIdentity securityIdentity;
-      scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName, false, false, lc);
+      cta::common::dataStructures::DesiredDriveState driveState;
+      driveState.up = false;
+      driveState.forceDown = false;
+      scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName,driveState, lc);
       return castor::tape::tapeserver::daemon::Session::MARK_DRIVE_AS_DOWN;
     } catch (cta::exception::Exception &ex) {
       log::ScopedParamContainer param(lc);
@@ -987,7 +990,10 @@ int DriveHandler::runChild() {
         driveInfo.host=hostname;
         scheduler.reportDriveStatus(driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Down, lc);
         cta::common::dataStructures::SecurityIdentity securityIdentity;
-        scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName, false, false, lc);
+        cta::common::dataStructures::DesiredDriveState driveState;
+        driveState.up = false;
+        driveState.forceDown = false;
+        scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName, driveState, lc);
         return castor::tape::tapeserver::daemon::Session::MARK_DRIVE_AS_DOWN;
       } catch (cta::exception::Exception &ex) {
         log::ScopedParamContainer param(lc);
@@ -1097,7 +1103,10 @@ int DriveHandler::runChild() {
           
         scheduler.reportDriveStatus(driveInfo, common::dataStructures::MountType::NoMount, common::dataStructures::DriveStatus::Down, lc);
         cta::common::dataStructures::SecurityIdentity securityIdentity;
-        scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName, false /* down */, false /* no force down*/, lc);
+        cta::common::dataStructures::DesiredDriveState driveState;
+        driveState.up = false;
+        driveState.forceDown = false;
+        scheduler.setDesiredDriveState(securityIdentity, m_configLine.unitName, driveState, lc);
         scheduler.reportDriveConfig(m_configLine,m_tapedConfig,lc);
       } catch (cta::exception::Exception & ex) {
         params.add("Message", ex.getMessageValue())

xroot_plugins/XrdCtaDriveLs.hpp

@@ -124,6 +124,8 @@ int DriveLsStream::fillBuffer(XrdSsiPb::OStreamBuffer<Data> *streambuf) {
     dr_item->set_current_activity(dr.currentActivityAndWeight ? dr.currentActivityAndWeight.value().activity : "");
     dr_item->set_dev_file_name(dr.devFileName);
     dr_item->set_raw_library_slot(dr.rawLibrarySlot);
+    dr_item->set_comment(dr.desiredDriveState.comment ? dr.desiredDriveState.comment.value() : "");
+    dr_item->set_reason(dr.desiredDriveState.reason ? dr.desiredDriveState.reason.value() : "");
     
     auto driveConfig = dr_item->mutable_drive_config();
     for(auto & driveConfigItem: dr.driveConfigItems){

xroot_plugins/XrdSsiCtaRequestMessage.cpp

@@ -113,6 +113,9 @@ void RequestMessage::process(const cta::xrd::Request &request, cta::xrd::Respons
             case cmd_pair(AdminCmd::CMD_DRIVE, AdminCmd::SUBCMD_DOWN):
                processDrive_Down(response);
                break;
+           case cmd_pair(AdminCmd::CMD_DRIVE,AdminCmd::SUBCMD_CH):
+             processDrive_Ch(response);
+             break;
             case cmd_pair(AdminCmd::CMD_DRIVE, AdminCmd::SUBCMD_LS):
                processDrive_Ls(response, stream);
                break;
@@ -803,8 +806,18 @@ void RequestMessage::processArchiveRoute_Ls(cta::xrd::Response &response, XrdSsi
 void RequestMessage::processDrive_Up(cta::xrd::Response &response)
 {
    using namespace cta::admin;
-
-   std::string cmdlineOutput = setDriveState('^' + getRequired(OptionString::DRIVE) + '$', Up);
+   
+   cta::optional<std::string> reason = getOptional(OptionString::REASON);
+   cta::common::dataStructures::DesiredDriveState desiredDS;
+   desiredDS.up = true;
+   desiredDS.forceDown = false;
+   desiredDS.reason = reason;
+   if(!desiredDS.reason){
+     //If reason not provided while setting the drive up, we delete it, so we set it to an empty string
+     desiredDS.reason = "";
+   }
+   
+   std::string cmdlineOutput = setDriveState('^' + getRequired(OptionString::DRIVE) + '$', desiredDS);
 
    response.set_message_txt(cmdlineOutput);
    response.set_type(cta::xrd::Response::RSP_SUCCESS);
@@ -816,13 +829,37 @@ void RequestMessage::processDrive_Down(cta::xrd::Response &response)
 {
    using namespace cta::admin;
 
-   std::string cmdlineOutput = setDriveState('^' + getRequired(OptionString::DRIVE) + '$', Down);
+   std::string reason = getRequired(OptionString::REASON);
+   if(utils::trimString(reason).empty()) {
+     throw cta::exception::UserError("You must provide a reason in order to set the drive down");
+   }
+   cta::common::dataStructures::DesiredDriveState desiredDS;
+   desiredDS.up = false;
+   desiredDS.forceDown = has_flag(OptionBoolean::FORCE);
+   desiredDS.reason = reason;
+   
+   std::string cmdlineOutput = setDriveState('^' + getRequired(OptionString::DRIVE) + '$', desiredDS);
 
    response.set_message_txt(cmdlineOutput);
    response.set_type(cta::xrd::Response::RSP_SUCCESS);
 }
 
-
+void RequestMessage::processDrive_Ch(cta::xrd::Response & response) {
+  using namespace cta::admin;
+  
+  std::string comment = getRequired(OptionString::COMMENT);
+  if(utils::trimString(comment).empty()) {
+    throw cta::exception::UserError("You must provide a comment to change it.");
+  }
+  
+  cta::common::dataStructures::DesiredDriveState desiredDS;
+  desiredDS.comment = comment;
+  
+  std::string cmdlineOutput = setDriveState('^' + getRequired(OptionString::DRIVE) + '$', desiredDS);
+