解决方法:配置群集时# gem install redis 报错:Unable to require openssl, install OpenSSL and rebuild ruby (prefer
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问题:
前面已经在/usr/local/src安装了ruby-2.3.0.tar.gz、rubygems-2.4.2.tar.gz。
在配置 redis-3.1.1 群集中,使用gem install 安装 ruby redis 接口时报:
原因:
缺少openssl,需要安装openssl包,我现在这里来安装一个openssl-1.0.1s.tar.gz(下载链接:http://www.openssl.org/source/)
解决方法步骤:
1.解压在/usr/local/src目录下,进入/usr/local/src/openssl-1.0.1s目录准备安装:
openssl的配置文件必须要配置-fPIC参数,如果没有该参数下面的安装中会出现问题!
安装完成,可以检测一下是否安装成功:
2.进入ruby源码[/usr/local/src/ruby-2.3.0]目录下的ext/openssl 目录:
提示没有找到ssl.h, 因为出现了错误:openssl/ssl.h:没有那个文件或目录
3.接下来并且将ruby 源码目录下的include目录软链接到 / 目录下:
接着再执行make,如果在配置openssl时没有-fPIC参数时就会出现如下错误
有配置-fPIC参数时就继续走下去:
4.回过头来,这时候我们已经把配置集群遇到的各种问题已经解决好了,再次使用gem install 安装 ruby redis 接口:
前面已经在/usr/local/src安装了ruby-2.3.0.tar.gz、rubygems-2.4.2.tar.gz。
在配置 redis-3.1.1 群集中,使用gem install 安装 ruby redis 接口时报:
# [root@localhost src]# gem install redis --version 3.0.0# # 由于源的原因,可能下载失败,就手动下载下来安装[root@localhost src]# gem install /usr/local/src/redis-3.2.1.gemERROR: While executing gem ... (Gem::Exception) Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources
原因:
缺少openssl,需要安装openssl包,我现在这里来安装一个openssl-1.0.1s.tar.gz(下载链接:http://www.openssl.org/source/)
解决方法步骤:
1.解压在/usr/local/src目录下,进入/usr/local/src/openssl-1.0.1s目录准备安装:
[root@localhost src]# tar -xzvf openssl-1.0.1s.tar.gz[root@localhost src]# cd openssl-1.0.1s[root@localhost openssl-1.0.1s]# ./config -fPIC --prefix=/usr/local/openssl enable-shared[root@localhost openssl-1.0.1s]# ./config -t[root@localhost openssl-1.0.1s]# make && make install
openssl的配置文件必须要配置-fPIC参数,如果没有该参数下面的安装中会出现问题!
安装完成,可以检测一下是否安装成功:
[root@localhost openssl-1.0.1s]# openssl version
2.进入ruby源码[/usr/local/src/ruby-2.3.0]目录下的ext/openssl 目录:
[root@localhost openssl-1.0.1s]# cd ../ruby-2.3.0[root@localhost ruby-2.3.0]# cd ext/openssl[root@localhost openssl]# ruby extconf.rbchecking for t_open() in -lnsl... nochecking for socket() in -lsocket... nochecking for assert.h... yeschecking for openssl/ssl.h... no
提示没有找到ssl.h, 因为出现了错误:openssl/ssl.h:没有那个文件或目录
[root@localhost openssl]# ruby extconf.rb --with-openssl-include=/usr/local/openssl/include/ --with-openssl-lib=/usr/local/openssl/libchecking for t_open() in -lnsl... nochecking for socket() in -lsocket... nochecking for assert.h... yeschecking for openssl/ssl.h... yes.............................................中间略.............................................checking for EVP_CTRL_GCM_GET_TAG in openssl/evp.h... yescreating extconf.hcreating Makefile成功。
3.接下来并且将ruby 源码目录下的include目录软链接到 / 目录下:
[root@localhost openssl]# ln -s /usr/local/src/ruby-2.2.3/include /
接着再执行make,如果在配置openssl时没有-fPIC参数时就会出现如下错误
[root@localhost openssl]# makegcc -shared -o openssl.so ossl_x509.o ossl_x509cert.o ossl_x509crl.o ossl_pkcs7.o ossl_cipher.o ossl_pkey_dh.o ossl_ssl_session.o ossl_x509attr.o ossl_x509ext.o ossl_ocsp.o ossl_asn1.o ossl_x509name.o ossl_x509revoked.o ossl_rand.o ossl_pkcs12.o ossl_x509store.o ossl_ssl.o ossl.o ossl_digest.o ossl_config.o ossl_pkcs5.o ossl_bio.o ossl_pkey_dsa.o ossl_pkey.o ossl_x509req.o ossl_pkey_ec.o ossl_hmac.o openssl_missing.o ossl_ns_spki.o ossl_pkey_rsa.o ossl_engine.o ossl_bn.o -L. -L/usr/local/ruby/lib -Wl,-R/usr/local/ruby/lib -L/usr/local/ssl/lib -Wl,-R/usr/local/ssl/lib -L. -rdynamic -Wl,-export-dynamic -lssl -lcrypto -lrt -ldl -lcrypt -lm -lc/usr/bin/ld: /usr/local/ssl/lib/libssl.a(s2_meth.o): relocation R_X86_64_32 against `a local symbol'can not be used when making a shared object; recompile with -fPIC/usr/local/ssl/lib/libssl.a: could not read symbols: Bad valuecollect2: ld returned 1 exit statusmake: *** [openssl.so] Error 1
有配置-fPIC参数时就继续走下去:
[root@localhost openssl]# makecompiling ossl_pkey_dsa.ccompiling openssl_missing.ccompiling ossl_x509name.ccompiling ossl_pkey_rsa.c.............................................中间略.............................................compiling ossl_bn.ccompiling ossl.clinking shared-object openssl.so
[root@localhost openssl]# make install/usr/bin/install -c -m 0755 openssl.so /usr/local/ruby/lib/ruby/site_ruby/2.2.0/x86_64-linuxinstalling default openssl libraries成功。
4.回过头来,这时候我们已经把配置集群遇到的各种问题已经解决好了,再次使用gem install 安装 ruby redis 接口:
# [root@localhost src]# gem install redis --version 3.0.0# # 由于源的原因,可能下载失败,就手动下载下来安装[root@localhost src]# gem install /usr/local/src/redis-3.2.1.gemSuccessfully installed redis-3.2.1Parsing documentation for redis-3.2.1Installing ri documentation for redis-3.2.1Done installing documentation for redis after 0 secondsWARNING: Unable to pull data from 'https://rubygems.org/': SSL_connect returned=1 errno=0 state=error: certificate verify failed (https://rubygems.org/specs.4.8.gz)1 gem installed
可以看到这时ruby redis接口已经安装成功了;
当Redis也安装好,这时我们来做一个Redis集群测试,在一台服务器中创建了6个Redis实例,开启6个Redis服务。
[root@localhost redis-cluster]# redis-trib.rb create --replicas 1 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 127.0.0.1:7006>>> Creating cluster>>> Performing hash slots allocation on 6 nodes...Using 3 masters:127.0.0.1:7001127.0.0.1:7002127.0.0.1:7003Adding replica 127.0.0.1:7004 to 127.0.0.1:7001Adding replica 127.0.0.1:7005 to 127.0.0.1:7002Adding replica 127.0.0.1:7006 to 127.0.0.1:7003M: e18c4d9b2a9c2b92b3695cb7236512bc3569349e 127.0.0.1:7001 slots:0-5460 (5461 slots) masterM: bfd2c5320bfa800713e18b8f57900fd63995d7cf 127.0.0.1:7002 slots:5461-10922 (5462 slots) masterM: 9d41b514413bcf348d55fe7239ce93b94fab7b01 127.0.0.1:7003 slots:10923-16383 (5461 slots) masterS: fef13f9a028d8a5de2442f562aa88941eb591ba5 127.0.0.1:7004 replicates e18c4d9b2a9c2b92b3695cb7236512bc3569349eS: 7845903bdd01e2992877e27110bbbc7ff4036828 127.0.0.1:7005 replicates bfd2c5320bfa800713e18b8f57900fd63995d7cfS: c0becb06b09e957fd34fad5ae85dec15d0b59cd8 127.0.0.1:7006 replicates 9d41b514413bcf348d55fe7239ce93b94fab7b01Can I set the above configuration? (type 'yes' to accept): yes>>> Nodes configuration updated>>> Assign a different config epoch to each node>>> Sending CLUSTER MEET messages to join the clusterWaiting for the cluster to join.....>>> Performing Cluster Check (using node 127.0.0.1:7001)M: e18c4d9b2a9c2b92b3695cb7236512bc3569349e 127.0.0.1:7001 slots:0-5460 (5461 slots) masterM: bfd2c5320bfa800713e18b8f57900fd63995d7cf 127.0.0.1:7002 slots:5461-10922 (5462 slots) masterM: 9d41b514413bcf348d55fe7239ce93b94fab7b01 127.0.0.1:7003 slots:10923-16383 (5461 slots) masterM: fef13f9a028d8a5de2442f562aa88941eb591ba5 127.0.0.1:7004 slots: (0 slots) master replicates e18c4d9b2a9c2b92b3695cb7236512bc3569349eM: 7845903bdd01e2992877e27110bbbc7ff4036828 127.0.0.1:7005 slots: (0 slots) master replicates bfd2c5320bfa800713e18b8f57900fd63995d7cfM: c0becb06b09e957fd34fad5ae85dec15d0b59cd8 127.0.0.1:7006 slots: (0 slots) master replicates 9d41b514413bcf348d55fe7239ce93b94fab7b01[OK] All nodes agree about slots configuration.>>> Check for open slots...>>> Check slots coverage...[OK] All 16384 slots covered.[root@localhost redis-cluster]# redis-trib.rb check[ERR] Wrong number of arguments for specified sub command[root@localhost redis-cluster]# redis-trib.rb check 127.0.0.1:7001>>> Performing Cluster Check (using node 127.0.0.1:7001)M: e18c4d9b2a9c2b92b3695cb7236512bc3569349e 127.0.0.1:7001 slots:0-5460 (5461 slots) master 1 additional replica(s)S: c0becb06b09e957fd34fad5ae85dec15d0b59cd8 127.0.0.1:7006 slots: (0 slots) slave replicates 9d41b514413bcf348d55fe7239ce93b94fab7b01S: fef13f9a028d8a5de2442f562aa88941eb591ba5 127.0.0.1:7004 slots: (0 slots) slave replicates e18c4d9b2a9c2b92b3695cb7236512bc3569349eS: 7845903bdd01e2992877e27110bbbc7ff4036828 127.0.0.1:7005 slots: (0 slots) slave replicates bfd2c5320bfa800713e18b8f57900fd63995d7cfM: bfd2c5320bfa800713e18b8f57900fd63995d7cf 127.0.0.1:7002 slots:5461-10922 (5462 slots) master 1 additional replica(s)M: 9d41b514413bcf348d55fe7239ce93b94fab7b01 127.0.0.1:7003 slots:10923-16383 (5461 slots) master 1 additional replica(s)[OK] All nodes agree about slots configuration.>>> Check for open slots...>>> Check slots coverage...[OK] All 16384 slots covered.
这样就表示我们的集群(三主三从)创建成功了!
主节点:127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003
从节点:127.0.0.1:7004 127.0.0.1:7005 127.0.0.1:7006
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