varnish yum安装 https://packagecloud.io/varnishcache/varnish60lts/packages/el/7/varnish-6.0.13-1.el7.x86_64.rpm?distro_version_id=140 repo : curl -s https://packagecloud.io/install/repositories/varnishcache/varnish60lts/script.rpm.sh | sudo bash [root@host2 ~]# cat /etc/yum.repos.d/varnishcache_varnish60lts.repo [varnishcache_varnish60lts] name=varnishcache_varnish60lts baseurl=https://packagecloud.io/varnishcache/varnish60lts/el/7/$basearch repo_gpgcheck=1 gpgcheck=0 enabled=1 gpgkey=https://packagecloud.io/varnishcache/varnish60lts/gpgkey sslverify=1 sslcacert=/etc/pki/tls/certs/ca-bundle.crt metadata_expire=300 [varnishcache_varnish60lts-source] name=varnishcache_varnish60lts-source baseurl=https://packagecloud.io/varnishcache/varnish60lts/el/7/SRPMS repo_gpgcheck=1 gpgcheck=0 enabled=1 gpgkey=https://packagecloud.io/varnishcache/varnish60lts/gpgkey sslverify=1 sslcacert=/etc/pki/tls/certs/ca-bundle.crt metadata_expire=300 sudo yum install varnish-devel-6.0.13-1.el7.x86_64 -y sudo yum install varnish-6.0.13-1.el7.x86_64 -y Running transaction 正在安装 : jemalloc-3.6.0-1.el7.x86_64 1/2 正在安装 : varnish-6.0.13-1.el7.x86_64 2/2 验证中 : jemalloc-3.6.0-1.el7.x86_64 1/2 验证中 : varnish-6.0.13-1.el7.x86_64 2/2 已安装: varnish.x86_64 0:6.0.13-1.el7 作为依赖被安装: jemalloc.x86_64 0:3.6.0-1.el7 [root@host2 ~]# find /var -name "*.rpm"|xargs -I {} cp -r {} /root/rpm [root@host2 ~]# ls rpm iperf-2.0.13-1.el7.x86_64.rpm telnet-0.17-66.el7.x86_64.rpm jemalloc-3.6.0-1.el7.x86_64.rpm varnish-6.0.13-1.el7.x86_64.rpm kernel-ml-6.8.5-1.el7.elrepo.x86_64.rpm vim-common-7.4.629-8.el7_9.x86_64.rpm nmap-6.40-19.el7.x86_64.rpm vim-enhanced-7.4.629-8.el7_9.x86_64.rpm sysstat-10.1.5-20.el7_9.x86_64.rpm ls /etc/varnish/default.vcl /etc/varnish/default.vcl /etc/varnish/varnish.params cat /usr/lib/systemd/system/varnish.service [Unit] Description=Varnish Cache, a high-performance HTTP accelerator After=network-online.target nss-lookup.target [Service] Type=forking KillMode=process # Maximum number of open files (for ulimit -n) LimitNOFILE=131072 # Locked shared memory - should suffice to lock the shared memory log # (varnishd -l argument) # Default log size is 80MB vsl + 1M vsm + header -> 82MB # unit is bytes LimitMEMLOCK=85983232 # Enable this to avoid "fork failed" on reload. TasksMax=infinity # Maximum size of the corefile. LimitCORE=infinity ExecStart=/usr/sbin/varnishd \ -a :6081 \ -a localhost:8443,PROXY \ -p feature=+http2 \ -f /etc/varnish/default.vcl \ -s malloc,256m ExecReload=/usr/sbin/varnishreload [Install] WantedBy=multi-user.target cat /etc/varnish/default.vcl # # This is an example VCL file for Varnish. # # It does not do anything by default, delegating control to the # builtin VCL. The builtin VCL is called when there is no explicit # return statement. # # See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/ # and https://www.varnish-cache.org/trac/wiki/VCLExamples for more examples. # Marker to tell the VCL compiler that this VCL has been adapted to the # new 4.0 format. vcl 4.0; # Default backend definition. Set this to point to your content server. backend default { .host = "127.0.0.1"; .port = "8080"; } sub vcl_recv { # Happens before we check if we have this in cache already. # # Typically you clean up the request here, removing cookies you don't need, # rewriting the request, etc. } sub vcl_backend_response { # Happens after we have read the response headers from the backend. # # Here you clean the response headers, removing silly Set-Cookie headers # and other mistakes your backend does. } sub vcl_deliver { # Happens when we have all the pieces we need, and are about to send the # response to the client. # # You can do accounting or modifying the final object here. } systemctl status varnish ● varnish.service - Varnish Cache, a high-performance HTTP accelerator Loaded: loaded (/usr/lib/systemd/system/varnish.service; disabled; vendor preset: disabled) Active: failed (Result: exit-code) since 日 2024-05-12 23:13:36 CST; 3s ago Process: 3568 ExecStart=/usr/sbin/varnishd -a :6081 -a localhost:8443,PROXY -p feature=+http2 -f /etc/varnish/default.vcl -s malloc,256m (code=exited, status=255) 5月 12 23:13:36 host2 systemd[1]: Starting Varnish Cache, a high-performance HTTP accelerator... 5月 12 23:13:36 host2 varnishd[3568]: Error: Could not get socket localhost:8443: Cannot assign requested address 5月 12 23:13:36 host2 varnishd[3568]: (-? gives usage) 5月 12 23:13:36 host2 systemd[1]: varnish.service: control process exited, code=exited status=255 5月 12 23:13:36 host2 systemd[1]: Failed to start Varnish Cache, a high-performance HTTP accelerator. 5月 12 23:13:36 host2 systemd[1]: Unit varnish.service entered failed state. 5月 12 23:13:36 host2 systemd[1]: varnish.service failed. cat /etc/varnish/default.vcl # Default backend definition. Set this to point to your content server. backend default { .host = "127.0.0.1"; .port = "80"; } 安装nginx yum list | grep ^nginx && yum -y install nginx* mkdir /usr/share/nginx/html/hello echo "192.168.40.131" > /usr/share/nginx/html/hello/index.html echo "192.168.40.131" > /usr/share/nginx/html/index.html systemctl start nginx http://192.168.40.131/hello/ vim /usr/lib/systemd/system/varnish.service [Unit] Description=Varnish Cache, a high-performance HTTP accelerator After=network-online.target nss-lookup.target [Service] Type=forking KillMode=process # Maximum number of open files (for ulimit -n) LimitNOFILE=131072 # Locked shared memory - should suffice to lock the shared memory log # (varnishd -l argument) # Default log size is 80MB vsl + 1M vsm + header -> 82MB # unit is bytes LimitMEMLOCK=85983232 # Enable this to avoid "fork failed" on reload. TasksMax=infinity # Maximum size of the corefile. LimitCORE=infinity ExecStart=/usr/sbin/varnishd \ -a :6081 \ -a 0.0.0.0:8443,PROXY \ -p feature=+http2 \ -f /etc/varnish/default.vcl \ -s malloc,256m ExecReload=/usr/sbin/varnishreload [Install] WantedBy=multi-user.target ~ [root@host2 ~]# systemctl daemon-reload [root@host2 ~]# systemctl start varnish [root@host2 ~]# systemctl status varnish ● varnish.service - Varnish Cache, a high-performance HTTP accelerator Loaded: loaded (/usr/lib/systemd/system/varnish.service; disabled; vendor preset: disabled) Active: active (running) since 日 2024-05-12 23:22:42 CST; 4s ago Process: 4592 ExecStart=/usr/sbin/varnishd -a :6081 -a 0.0.0.0:8443,PROXY -p feature=+http2 -f /etc/varnish/default.vcl -s malloc,256m (code=exited, status=0/SUCCESS) Main PID: 4595 (varnishd) Tasks: 217 CGroup: /system.slice/varnish.service ├─4595 /usr/sbin/varnishd -a :6081 -a 0.0.0.0:8443,PROXY -p feature=+http2 -f /etc/varnish/default.vcl -s malloc,256m └─4605 /usr/sbin/varnishd -a :6081 -a 0.0.0.0:8443,PROXY -p feature=+http2 -f /etc/varnish/default.vcl -s malloc,256m 5月 12 23:22:42 host2 varnishd[4592]: Warnings: 5月 12 23:22:42 host2 varnishd[4592]: VCL compiled. 5月 12 23:22:42 host2 varnishd[4595]: Version: varnish-6.0.13 revision a395739fa63cddec305142eabefec0a4fd5339e7 5月 12 23:22:42 host2 varnishd[4592]: Debug: Version: varnish-6.0.13 revision a395739fa63cddec305142eabefec0a4fd5339e7 5月 12 23:22:42 host2 varnishd[4592]: Debug: Platform: Linux,6.8.5-1.el7.elrepo.x86_64,x86_64,-junix,-smalloc,-sdefault,-hcritbit 5月 12 23:22:42 host2 varnishd[4595]: Platform: Linux,6.8.5-1.el7.elrepo.x86_64,x86_64,-junix,-smalloc,-sdefault,-hcritbit 5月 12 23:22:42 host2 varnishd[4595]: Child (4605) Started 5月 12 23:22:42 host2 varnishd[4592]: Debug: Child (4605) Started 5月 12 23:22:42 host2 varnishd[4595]: Child (4605) said Child starts 5月 12 23:22:42 host2 systemd[1]: Started Varnish Cache, a high-performance HTTP accelerator. vim /usr/lib/systemd/system/varnish.service ExecStart=/usr/sbin/varnishd \ -a :6081 \ -a 0.0.0.0:8443 \ -p feature=+http2 \ -f /etc/varnish/default.vcl \ -s malloc,256m ExecReload=/usr/sbin/varnishreload [root@host2 ~]# systemctl daemon-reload [root@host2 ~]# systemctl restart varnish http://192.168.40.131:8443/hello/ vim /etc/varnish/default.vcl backend web1 { .host = "192.168.40.131"; .port = "80"; } sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Cache = "HIT from " + req.http.host; set resp.http.X-Cache-Hits = obj.hits; } else { set resp.http.X-Cache = "MISS from " + req.http.host; } return (deliver); } systemctl daemon-reload systemctl restart varnish systemctl status varnish varnishncsa 192.168.40.1 - - [12/May/2024:23:41:26 +0800] "GET http://192.168.40.131:8443/hello/ HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36" 安装nginx2 yum list | grep ^nginx && yum -y install nginx* mkdir /usr/share/nginx/html/hello echo "192.168.40.132" > /usr/share/nginx/html/hello/index.html echo "192.168.40.132" > /usr/share/nginx/html/index.html systemctl start nginx http://192.168.40.132/hello/ vim /etc/varnish/default.vcl #backend default { # .host = "192.168.40.131"; # .port = "80"; #} backend web1 { .host = "192.168.40.131"; .port = "80"; } backend web2 { .host = "192.168.40.132"; .port = "80"; } sub vcl_recv { if (req.http.host ~ "(?i)^(www.)?lzj1234.cn$") { set req.http.host = "www.lzj1234.cn"; set req.backend_hint = web1; } elseif (req.http.host ~ "(?i)^bbs.lzj1234.cn$") { set req.backend_hint = web2; return(hash); } } systemctl daemon-reload systemctl restart varnish systemctl status varnish pc的hosts 192.168.40.131 www.lzj1234.cn 192.168.40.131 bbs.lzj1234.cn http://www.lzj1234.cn:8443/hello/index.html 192.168.40.131 http://bbs.lzj1234.cn:8443/hello/index.html elinks http://www.lzj1234.cn:8443/hello/index.html --dump elinks http://bbs.lzj1234.cn:8443/hello/index.html --dump if (req.http.host ~ "^(www.)?lzj1234.cn") { set req.http.host = "www.lzj1234.cn"; set req.backend_hint = web1; } elseif (req.http.host ~ "^bbs.lzj1234.cn") { set req.backend_hint = web2; } [root@host2 ~]# elinks http://www.lzj1234.cn:8443/hello/index.html --dump 192.168.40.131 [root@host2 ~]# elinks http://bbs.lzj1234.cn:8443/hello/index.html --dump 192.168.40.132 elinks http://www.lzj1234.cn:8443 --dump elinks http://bbs.lzj1234.cn:8443 --dump [root@host2 ~]# elinks http://www.lzj1234.cn:8443 --dump 192.168.40.131 [root@host2 ~]# elinks http://bbs.lzj1234.cn:8443 --dump 192.168.40.132
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