Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
libcouchbase-tools
libcouchbase-tools(x86-64)

Requires :

libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libcouchbase(x86-64) = 2.8.6-1.fc27.remi
libcouchbase-libevent(x86-64) = 2.8.6-1.fc27.remi
libcouchbase.so.2()(64bit)
libcrypto.so.1.1()(64bit)
libcrypto.so.1.1(OPENSSL_1_1_0)(64bit)
libdl.so.2()(64bit)
libevent_core-2.0.so.5()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libresolv.so.2()(64bit)
librt.so.1()(64bit)
libssl.so.1.1()(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.8)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/cbc
/usr/bin/cbc-admin
/usr/bin/cbc-bucket-create
/usr/bin/cbc-bucket-delete
/usr/bin/cbc-bucket-flush
/usr/bin/cbc-cat
/usr/bin/cbc-connstr
/usr/bin/cbc-create
/usr/bin/cbc-decr
/usr/bin/cbc-hash
/usr/bin/cbc-incr
/usr/bin/cbc-lock
/usr/bin/cbc-mcflush
/usr/bin/cbc-n1ql
/usr/bin/cbc-n1qlback
/usr/bin/cbc-observe
/usr/bin/cbc-observe-seqno
/usr/bin/cbc-pillowfight
/usr/bin/cbc-ping
/usr/bin/cbc-proxy
/usr/bin/cbc-rm
/usr/bin/cbc-role-list
/usr/bin/cbc-stats
/usr/bin/cbc-strerror
/usr/bin/cbc-subdoc
/usr/bin/cbc-touch
/usr/bin/cbc-unlock
/usr/bin/cbc-user-delete
/usr/bin/cbc-user-list
/usr/bin/cbc-user-upsert
There is 49 files more in these RPM.