tracing: pkg install from distro & vstart runtime setup

- add packages that could be installed using distro package
	modified:   ceph.spec.in
	modified:   debian/control
- configure runtime path for finding jaeger dependencies in vstart.sh
        modified:   src/vstart.sh

Signed-off-by: Deepika Upadhyay <dupadhya@redhat.com>

ceph.spec.in

@@ -127,6 +127,7 @@ Requires:       ceph-mds = %{_epoch_prefix}%{version}-%{release}
 Requires:       ceph-mgr = %{_epoch_prefix}%{version}-%{release}
 Requires:       ceph-mon = %{_epoch_prefix}%{version}-%{release}
 Requires(post):	binutils
+BuildRequires:	bison
 %if 0%{with cephfs_java}
 BuildRequires:	java-devel
 BuildRequires:	sharutils
@@ -143,6 +144,7 @@ BuildRequires:  cmake > 3.5
 %endif
 BuildRequires:	cryptsetup
 BuildRequires:	fuse-devel
+BuildRequires:	flex
 %if 0%{?rhel} == 7
 # devtoolset offers newer make and valgrind-devel, but the old ones are good
 # enough.
@@ -157,13 +159,21 @@ BuildRequires:	gperftools-devel >= 2.6.1
 %endif
 %if 0%{?suse_version}
 BuildRequires:	gperftools-devel >= 2.4
+BuildRequires:	git
 %endif
 %endif
+%if 0%{?fedora} || 0%{?rhel}
+BuildRequires: json-devel
+%endif
+%if 0%{?suse_version}
+BuildRequires: nlohmann_json-devel
+%endif
 BuildRequires:	leveldb-devel > 1.2
 BuildRequires:	libaio-devel
 BuildRequires:	libblkid-devel >= 2.17
 BuildRequires:	libcurl-devel
 BuildRequires:	libcap-ng-devel
+BuildRequires:	libevent-devel
 BuildRequires:	pkgconfig(libudev)
 BuildRequires:	libnl3-devel
 BuildRequires:	liboath-devel

debian/control

@@ -7,7 +7,9 @@ Vcs-Browser: https://github.com/ceph/ceph
 Maintainer: Ceph Maintainers <ceph-maintainers@lists.ceph.com>
 Uploaders: Ken Dreyer <kdreyer@redhat.com>,
            Alfredo Deza <adeza@redhat.com>,
-Build-Depends: cmake (>= 3.5),
+Build-Depends: automake,
+               bison,
+               cmake (>= 3.5),
                cpio,
                cryptsetup-bin | cryptsetup,
                cython,
@@ -17,6 +19,7 @@ Build-Depends: cmake (>= 3.5),
                dh-exec,
                dh-python,
                dh-systemd,
+               flex,
                git,
                gperf,
                g++ (>= 7),
@@ -32,6 +35,7 @@ Build-Depends: cmake (>= 3.5),
                libcap-ng-dev,
                libcunit1-dev,
                libcurl4-openssl-dev,
+               libevent-dev,
                libexpat1-dev,
                libfuse-dev,
                libgoogle-perftools-dev [i386 amd64 arm64],
@@ -65,6 +69,7 @@ Build-Depends: cmake (>= 3.5),
 # Make-Check   libxmlsec1-openssl,
 # Make-Check   libxmlsec1-dev,
                lsb-release,
+	       nlohmann-json-dev,
                parted,
                patch,
                pkg-config,

src/vstart.sh

@@ -62,6 +62,7 @@ fi
 if [ -n "$CEPH_BUILD_ROOT" ]; then
     [ -z "$CEPH_BIN" ] && CEPH_BIN=$CEPH_BUILD_ROOT/bin
     [ -z "$CEPH_LIB" ] && CEPH_LIB=$CEPH_BUILD_ROOT/lib
+    [ -z "$CEPH_EXT_LIB" ] && CEPH_EXT_LIB=$CEPH_BUILD_ROOT/external/lib
     [ -z "$EC_PATH" ] && EC_PATH=$CEPH_LIB/erasure-code
     [ -z "$OBJCLASS_PATH" ] && OBJCLASS_PATH=$CEPH_LIB/rados-classes
     # make install should install python extensions into PYTHONPATH
@@ -72,6 +73,7 @@ elif [ -n "$CEPH_ROOT" ]; then
     [ -z "$CEPH_ADM" ] && CEPH_ADM=$CEPH_BIN/ceph
     [ -z "$INIT_CEPH" ] && INIT_CEPH=$CEPH_BIN/init-ceph
     [ -z "$CEPH_LIB" ] && CEPH_LIB=$CEPH_BUILD_DIR/lib
+    [ -z "$CEPH_EXT_LIB" ] && CEPH_EXT_LIB=$CEPH_BUILD_DIR/external/lib
     [ -z "$OBJCLASS_PATH" ] && OBJCLASS_PATH=$CEPH_LIB
     [ -z "$EC_PATH" ] && EC_PATH=$CEPH_LIB
     [ -z "$CEPH_PYTHON_COMMON" ] && CEPH_PYTHON_COMMON=$CEPH_ROOT/src/python-common
@@ -87,8 +89,8 @@ fi
 CYTHON_PYTHONPATH="$CEPH_LIB/cython_modules/lib.3"
 export PYTHONPATH=$PYBIND:$CYTHON_PYTHONPATH:$CEPH_PYTHON_COMMON$PYTHONPATH
 
-export LD_LIBRARY_PATH=$CEPH_LIB:$LD_LIBRARY_PATH
-export DYLD_LIBRARY_PATH=$CEPH_LIB:$DYLD_LIBRARY_PATH
+export LD_LIBRARY_PATH=$CEPH_LIB:$CEPH_EXT_LIB:$LD_LIBRARY_PATH
+export DYLD_LIBRARY_PATH=$CEPH_LIB:$CEPH_EXT_LIB:$DYLD_LIBRARY_PATH
 # Suppress logging for regular use that indicated that we are using a
 # development version. vstart.sh is only used during testing and
 # development