[4316] Changed primary lease event logging from DEBUG to INFO

src/bin/dhcp4/dhcp4_messages.mes
    - Replaced the word "debug" with "informational" where appropriate

src/bin/dhcp4/dhcp4_srv.cc
    - Changed several lease4_logger messages from DEBUG to INFO
    DHCP4_INIT_REBOOT
    DHCP4_LEASE_ADVERT
    DHCP4_LEASE_ALLOC
    DHCP4_RELEASE
    DHCP4_DECLINE_LEASE

src/bin/dhcp6/dhcp6_messages.mes
    - Replaced the word "debug" with "informational" where appropriate

    - Added two new messages:
    DHCP6_LEASE_RENEW
    DHCP6_PD_LEASE_RENEW

src/bin/dhcp6/dhcp6_srv.cc
    - Changed several lease6_logger messages from DEBUG to INFO
    DHCP6_LEASE_ADVERT
    DHCP6_LEASE_ALLOC
    DHCP6_PD_LEASE_ADVERT
    DHCP6_PD_LEASE_ALLOC
    DHCP6_RELEASE_NA
    DHCP6_RELEASE_PD
    DHCP6_DECLINE_LEASE

    - Dhcpv6Srv::extendIA_NA() - added new log for DHCP6_LEASE_RENEW
    - Dhcpv6Srv::extendIA_PD() - added new log for DHCP6_PD_LEASE_RENEW

src/bin/dhcp4/dhcp4_messages.mes

@@ -293,24 +293,24 @@ was not successful, or it encountered any other critical error on startup.
 Attached error message provides more details about the issue.
 
 % DHCP4_INIT_REBOOT %1: client is in INIT-REBOOT state and requests address %2
-This debug message is issued when the client is in the INIT-REBOOT state and
-is requesting an IPv4 address it is using to be allocated for it. The first
-argument includes the client and transaction identification information. The
-second argument specifies the requested IPv4 address.
+This informational message is issued when the client is in the INIT-REBOOT
+state and is requesting an IPv4 address it is using to be allocated for it.
+The first argument includes the client and transaction identification
+information. The second argument specifies the requested IPv4 address.
 
 % DHCP4_LEASE_ADVERT %1: lease %2 will be advertised
-This debug message indicates that the server has found the lease to be
+This informational message indicates that the server has found the lease to be
 offered to the client. It is up to the client to choose one server out of
 those which offered leases and continue allocation with that server.
 The first argument specifies the client and the transaction identification
 information. The second argument specifies the IPv4 address to be offered.
 
 % DHCP4_LEASE_ALLOC %1: lease %2 has been allocated
-This debug message indicates that the server successfully granted a lease
-in response to client's DHCPREQUEST message. The lease information will
-be sent to the client in the DHCPACK message. The first argument
-contains the client and the transaction identification information. The
-second argument contains the allocated IPv4 address.
+This informational message indicates that the server successfully granted a
+lease in response to client's DHCPREQUEST message. The lease information will
+be sent to the client in the DHCPACK message. The first argument contains the
+client and the transaction identification information. The second argument
+contains the allocated IPv4 address.
 
 % DHCP4_NAME_GEN_UPDATE_FAIL %1: failed to update the lease after generating name %2 for a client: %3
 This message indicates the failure when trying to update the lease and/or
@@ -527,7 +527,7 @@ argument includes the client and the transaction identification
 information.
 
 % DHCP4_RELEASE %1: address %2 was released properly.
-This debug message indicates that an address was released properly. It
+This informational message indicates that an address was released properly. It
 is a normal operation during client shutdown. The first argument includes
 the client and transaction identification information. The second argument
 includes the released IPv4 address.

src/bin/dhcp4/dhcp4_srv.cc

@@ -1297,7 +1297,7 @@ Dhcpv4Srv::assignLease(Dhcpv4Exchange& ex) {
     // and whether the client is known, i.e., has a lease.
     if (!fake_allocation && !opt_serverid && opt_requested_address) {
 
-        LOG_DEBUG(lease4_logger, DBG_DHCP4_DETAIL, DHCP4_INIT_REBOOT)
+        LOG_INFO(lease4_logger, DHCP4_INIT_REBOOT)
             .arg(query->getLabel())
             .arg(hint.toText());
 
@@ -1384,8 +1384,7 @@ Dhcpv4Srv::assignLease(Dhcpv4Exchange& ex) {
     if (lease) {
         // We have a lease! Let's set it in the packet and send it back to
         // the client.
-        LOG_DEBUG(lease4_logger, DBG_DHCP4_BASIC_DATA, fake_allocation?
-                  DHCP4_LEASE_ADVERT : DHCP4_LEASE_ALLOC)
+        LOG_INFO(lease4_logger, fake_allocation ? DHCP4_LEASE_ADVERT : DHCP4_LEASE_ALLOC)
             .arg(query->getLabel())
             .arg(lease->addr_.toText());
 
@@ -1842,7 +1841,7 @@ Dhcpv4Srv::processRelease(Pkt4Ptr& release) {
 
             if (success) {
                 // Release successful
-                LOG_DEBUG(lease4_logger, DBG_DHCP4_DETAIL, DHCP4_RELEASE)
+                LOG_INFO(lease4_logger, DHCP4_RELEASE)
                     .arg(release->getLabel())
                     .arg(lease->addr_.toText());
 
@@ -2004,7 +2003,7 @@ Dhcpv4Srv::declineLease(const Lease4Ptr& lease, const Pkt4Ptr& decline) {
 
     LeaseMgrFactory::instance().updateLease4(lease);
 
-    LOG_INFO(dhcp4_logger, DHCP4_DECLINE_LEASE).arg(lease->addr_.toText())
+    LOG_INFO(lease4_logger, DHCP4_DECLINE_LEASE).arg(lease->addr_.toText())
         .arg(decline->getLabel()).arg(lease->valid_lft_);
 }
 

src/bin/dhcp6/dhcp6_messages.mes

@@ -327,7 +327,7 @@ issue that prevents it from starting up properly. Attached error message
 provides more details about the issue.
 
 % DHCP6_LEASE_ADVERT %1: lease for address %2 and iaid=%3 will be advertised
-This debug message indicates that the server will advertise an
+This informational message indicates that the server will advertise an
 address to the client in the ADVERTISE message. The client will
 request allocation of this address with the REQUEST message sent
 in the next message exchange. The first argument includes the client
@@ -342,8 +342,8 @@ log entry. The first argument holds the client and transaction identification
 information. The second argument holds the IAID.
 
 % DHCP6_LEASE_ALLOC %1: lease for address %2 and iaid=%3 has been allocated
-This debug message indicates that in response to a client's REQUEST
-message, the server successfully granted an non-temporary address
+This informational message indicates that in response to a client's REQUEST
+message, the server successfully granted a non-temporary address
 lease. This is a normal behavior and indicates successful operation.
 The first argument includes the client and transaction identification
 information. The remaining arguments hold the allocated address and
@@ -356,6 +356,14 @@ be many reasons for such failure. Each failure is logged in a separate
 log entry. The first argument holds the client and transaction identification
 information. The second argument holds the IAID.
 
+% DHCP6_LEASE_RENEW %1: lease for address %2 and iaid=%3 has been allocated
+This informational message indicates that in response to a client's REQUEST
+message, the server successfully renewed a non-temporary address
+lease. This is a normal behavior and indicates successful operation.
+The first argument includes the client and transaction identification
+information. The remaining arguments hold the allocated address and
+IAID.
+
 % DHCP6_LEASE_DATA %1: detailed lease information for iaid=%2: %3
 This debug message is used to print the detailed information about the
 allocated lease or a lease which will be advertised to the client.
@@ -489,7 +497,7 @@ parsing actions and committal of changes failed.  The reason for the
 failure is given in the message.
 
 % DHCP6_PD_LEASE_ADVERT %1: lease for prefix %2/%3 and iaid=%4 will be advertised
-This debug message indicates that the server will advertise a
+This informational message indicates that the server will advertise a
 prefix to the client in the ADVERTISE message. The client will
 request allocation of this prefix with the REQUEST message sent
 in the next message exchange. The first argument includes the client
@@ -504,9 +512,9 @@ log entry. The first argument holds the client and transaction identification
 information. The second argument holds the IAID.
 
 % DHCP6_PD_LEASE_ALLOC %1: lease for prefix %2/%3 and iaid=%4 has been allocated
-This debug message indicates that in response to a client's REQUEST
-message, the server successfully granted an non-temporary address
-lease. This is a normal behavior and indicates successful operation.
+This informational message indicates that in response to a client's REQUEST
+message, the server successfully granted a prefix lease.
+This is a normal behavior and indicates successful operation.
 The first argument includes the client and transaction identification
 information. The remaining arguments hold the allocated prefix,
 prefix length and and IAID.
@@ -518,6 +526,14 @@ for such failure. Each failure is logged in a separate log entry. The first
 argument holds the client and transaction identification information.
 The second argument holds the IAID.
 
+% DHCP6_PD_LEASE_RENEW %1: lease for prefix %2/%3 and iaid=%4 has been allocated
+This informational message indicates that in response to a client's REQUEST
+message, the server successfully renewed a prefix lease.
+This is a normal behavior and indicates successful operation.
+The first argument includes the client and transaction identification
+information. The remaining arguments hold the allocated prefix,
+prefix length and and IAID.
+
 % DHCP6_PROCESS_IA_NA_EXTEND %1: extending lease lifetime for IA_NA option with iaid=%2
 This message is logged when the server is starting to extend the lifetime
 of the address lease associated with the particular IAID. The first argument
@@ -566,7 +582,7 @@ server for the subnet on which the client is connected. The argument
 specifies the client and transaction identification information.
 
 % DHCP6_RELEASE_NA %1: binding for address %2 and iaid=%3 was released properly
-This debug message indicates that an address was released properly. It
+This informational message indicates that an address was released properly. It
 is a normal operation during client shutdown.
 
 % DHCP6_RELEASE_NA_FAIL %1: failed to remove address lease for address %2 and iaid=%3
@@ -594,7 +610,7 @@ IA (identity association) container. This probably means that the client's
 support for multiple addresses is flawed.
 
 % DHCP6_RELEASE_PD %1: prefix %2/%3 for iaid=%4 was released properly
-This debug message indicates that a prefix was released properly. It
+This informational message indicates that a prefix was released properly. It
 is a normal operation during client shutdown. The first argument holds
 the client and transaction identification information. The second and
 third argument define the prefix and its length. The fourth argument

src/bin/dhcp6/dhcp6_srv.cc

@@ -1316,8 +1316,7 @@ Dhcpv6Srv::assignIA_NA(const Pkt6Ptr& query, const Pkt6Ptr& answer,
     if (lease) {
         // We have a lease! Let's wrap its content into IA_NA option
         // with IAADDR suboption.
-        LOG_DEBUG(lease6_logger, DBG_DHCP6_DETAIL, fake_allocation ?
-                  DHCP6_LEASE_ADVERT : DHCP6_LEASE_ALLOC)
+        LOG_INFO(lease6_logger, fake_allocation ? DHCP6_LEASE_ADVERT : DHCP6_LEASE_ALLOC)
             .arg(query->getLabel())
             .arg(lease->addr_.toText())
             .arg(ia->getIAID());
@@ -1434,7 +1433,7 @@ Dhcpv6Srv::assignIA_PD(const Pkt6Ptr& query, const Pkt6Ptr& answer,
 
             // We have a lease! Let's wrap its content into IA_PD option
             // with IAADDR suboption.
-            LOG_DEBUG(lease6_logger, DBG_DHCP6_DETAIL, fake_allocation ?
+            LOG_INFO(lease6_logger, fake_allocation ?
                       DHCP6_PD_LEASE_ADVERT : DHCP6_PD_LEASE_ALLOC)
                 .arg(query->getLabel())
                 .arg((*l)->addr_.toText())
@@ -1558,6 +1557,10 @@ Dhcpv6Srv::extendIA_NA(const Pkt6Ptr& query, const Pkt6Ptr& answer,
         Option6IAAddrPtr iaaddr(new Option6IAAddr(D6O_IAADDR,
                                 (*l)->addr_, (*l)->preferred_lft_, (*l)->valid_lft_));
         ia_rsp->addOption(iaaddr);
+        LOG_INFO(lease6_logger, DHCP6_LEASE_RENEW)
+            .arg(query->getLabel())
+            .arg((*l)->addr_.toText())
+            .arg(ia_rsp->getIAID());
 
         // Now remove this address from the hints list.
         AllocEngine::HintType tmp((*l)->addr_, 128);
@@ -1714,6 +1717,11 @@ Dhcpv6Srv::extendIA_PD(const Pkt6Ptr& query,
                                (*l)->addr_, (*l)->prefixlen_,
                                (*l)->preferred_lft_, (*l)->valid_lft_));
         ia_rsp->addOption(prf);
+        LOG_INFO(lease6_logger, DHCP6_PD_LEASE_RENEW)
+            .arg(query->getLabel())
+            .arg((*l)->addr_.toText())
+            .arg(static_cast<int>((*l)->prefixlen_))
+            .arg(ia->getIAID());
 
         // Now remove this address from the hints list.
         AllocEngine::HintType tmp((*l)->addr_, (*l)->prefixlen_);
@@ -1988,7 +1996,7 @@ Dhcpv6Srv::releaseIA_NA(const DuidPtr& duid, const Pkt6Ptr& query,
 
         return (ia_rsp);
     } else {
-        LOG_DEBUG(lease6_logger, DBG_DHCP6_DETAIL, DHCP6_RELEASE_NA)
+        LOG_INFO(lease6_logger, DHCP6_RELEASE_NA)
             .arg(query->getLabel())
             .arg(lease->addr_.toText())
             .arg(lease->iaid_);
@@ -2143,7 +2151,7 @@ Dhcpv6Srv::releaseIA_PD(const DuidPtr& duid, const Pkt6Ptr& query,
         general_status = STATUS_UnspecFail;
 
     } else {
-        LOG_DEBUG(lease6_logger, DBG_DHCP6_DETAIL, DHCP6_RELEASE_PD)
+        LOG_INFO(lease6_logger, DHCP6_RELEASE_PD)
             .arg(query->getLabel())
             .arg(lease->addr_.toText())
             .arg(static_cast<int>(lease->prefixlen_))
@@ -2664,7 +2672,7 @@ Dhcpv6Srv::declineLease(const Pkt6Ptr& decline, const Lease6Ptr lease,
     lease->decline(CfgMgr::instance().getCurrentCfg()->getDeclinePeriod());
     LeaseMgrFactory::instance().updateLease6(lease);
 
-    LOG_INFO(dhcp6_logger, DHCP6_DECLINE_LEASE).arg(decline->getLabel())
+    LOG_INFO(lease6_logger, DHCP6_DECLINE_LEASE).arg(decline->getLabel())
         .arg(lease->addr_.toText()).arg(lease->valid_lft_);
 
     ia_rsp->addOption(createStatusCode(*decline, *ia_rsp, STATUS_Success,