nginx-ui/internal/performance/config_info.go

246 lines
9.3 KiB
Go

package performance
import (
"os"
"regexp"
"runtime"
"strconv"
"github.com/0xJacky/Nginx-UI/internal/nginx"
"github.com/pkg/errors"
)
type NginxConfigInfo struct {
WorkerProcesses int `json:"worker_processes"`
WorkerConnections int `json:"worker_connections"`
ProcessMode string `json:"process_mode"`
KeepaliveTimeout string `json:"keepalive_timeout"`
Gzip string `json:"gzip"`
GzipMinLength int `json:"gzip_min_length"`
GzipCompLevel int `json:"gzip_comp_level"`
ClientMaxBodySize string `json:"client_max_body_size"` // with unit
ServerNamesHashBucketSize string `json:"server_names_hash_bucket_size"`
ClientHeaderBufferSize string `json:"client_header_buffer_size"` // with unit
ClientBodyBufferSize string `json:"client_body_buffer_size"` // with unit
ProxyCache ProxyCacheConfig `json:"proxy_cache"`
}
// GetNginxWorkerConfigInfo Get Nginx config info of worker_processes and worker_connections
func GetNginxWorkerConfigInfo() (*NginxConfigInfo, error) {
result := &NginxConfigInfo{
WorkerProcesses: 1,
WorkerConnections: 1024,
ProcessMode: "manual",
KeepaliveTimeout: "65s",
Gzip: "off",
GzipMinLength: 1,
GzipCompLevel: 1,
ClientMaxBodySize: "1m",
ServerNamesHashBucketSize: "32k",
ClientHeaderBufferSize: "1k",
ClientBodyBufferSize: "8k",
ProxyCache: ProxyCacheConfig{
Enabled: false,
Path: "/var/cache/nginx/proxy_cache",
Levels: "1:2",
UseTempPath: "off",
KeysZone: "proxy_cache:10m",
Inactive: "60m",
MaxSize: "1g",
// Purger: "off",
},
}
confPath := nginx.GetConfEntryPath()
if confPath == "" {
return nil, errors.New("failed to get nginx.conf path")
}
// Read the current configuration
content, err := os.ReadFile(confPath)
if err != nil {
return nil, errors.Wrap(err, "failed to read nginx.conf")
}
outputStr := string(content)
// Parse worker_processes
wpRe := regexp.MustCompile(`worker_processes\s+(\d+|auto);`)
if matches := wpRe.FindStringSubmatch(outputStr); len(matches) > 1 {
if matches[1] == "auto" {
result.WorkerProcesses = runtime.NumCPU()
result.ProcessMode = "auto"
} else {
result.WorkerProcesses, _ = strconv.Atoi(matches[1])
result.ProcessMode = "manual"
}
}
// Parse worker_connections
wcRe := regexp.MustCompile(`worker_connections\s+(\d+);`)
if matches := wcRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.WorkerConnections, _ = strconv.Atoi(matches[1])
}
// Parse keepalive_timeout
ktRe := regexp.MustCompile(`keepalive_timeout\s+(\d+[smhdwMy]?);`)
if matches := ktRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.KeepaliveTimeout = matches[1]
}
// Parse gzip
gzipRe := regexp.MustCompile(`gzip\s+(on|off);`)
if matches := gzipRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.Gzip = matches[1]
}
// Parse gzip_min_length
gzipMinRe := regexp.MustCompile(`gzip_min_length\s+(\d+);`)
if matches := gzipMinRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.GzipMinLength, _ = strconv.Atoi(matches[1])
}
// Parse gzip_comp_level
gzipCompRe := regexp.MustCompile(`gzip_comp_level\s+(\d+);`)
if matches := gzipCompRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.GzipCompLevel, _ = strconv.Atoi(matches[1])
}
// Parse client_max_body_size with any unit (k, m, g)
cmaxRe := regexp.MustCompile(`client_max_body_size\s+(\d+[kmg]?);`)
if matches := cmaxRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.ClientMaxBodySize = matches[1]
}
// Parse server_names_hash_bucket_size
hashRe := regexp.MustCompile(`server_names_hash_bucket_size\s+(\d+[kmg]?);`)
if matches := hashRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.ServerNamesHashBucketSize = matches[1]
}
// Parse client_header_buffer_size with any unit (k, m, g)
headerRe := regexp.MustCompile(`client_header_buffer_size\s+(\d+[kmg]?);`)
if matches := headerRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.ClientHeaderBufferSize = matches[1]
}
// Parse client_body_buffer_size with any unit (k, m, g)
bodyRe := regexp.MustCompile(`client_body_buffer_size\s+(\d+[kmg]?);`)
if matches := bodyRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.ClientBodyBufferSize = matches[1]
}
// Parse proxy_cache_path settings
proxyCachePathRe := regexp.MustCompile(`proxy_cache_path\s+([^;]+);`)
if matches := proxyCachePathRe.FindStringSubmatch(outputStr); len(matches) > 1 {
result.ProxyCache.Enabled = true
proxyCacheParams := matches[1]
// Extract path (first parameter)
pathRe := regexp.MustCompile(`^\s*([^\s]+)`)
if pathMatches := pathRe.FindStringSubmatch(proxyCacheParams); len(pathMatches) > 1 {
result.ProxyCache.Path = pathMatches[1]
}
// Extract levels parameter
levelsRe := regexp.MustCompile(`levels=([^\s]+)`)
if levelsMatches := levelsRe.FindStringSubmatch(proxyCacheParams); len(levelsMatches) > 1 {
result.ProxyCache.Levels = levelsMatches[1]
}
// Extract use_temp_path parameter
useTempPathRe := regexp.MustCompile(`use_temp_path=(on|off)`)
if useTempPathMatches := useTempPathRe.FindStringSubmatch(proxyCacheParams); len(useTempPathMatches) > 1 {
result.ProxyCache.UseTempPath = useTempPathMatches[1]
}
// Extract keys_zone parameter
keysZoneRe := regexp.MustCompile(`keys_zone=([^\s]+)`)
if keysZoneMatches := keysZoneRe.FindStringSubmatch(proxyCacheParams); len(keysZoneMatches) > 1 {
result.ProxyCache.KeysZone = keysZoneMatches[1]
}
// Extract inactive parameter
inactiveRe := regexp.MustCompile(`inactive=([^\s]+)`)
if inactiveMatches := inactiveRe.FindStringSubmatch(proxyCacheParams); len(inactiveMatches) > 1 {
result.ProxyCache.Inactive = inactiveMatches[1]
}
// Extract max_size parameter
maxSizeRe := regexp.MustCompile(`max_size=([^\s]+)`)
if maxSizeMatches := maxSizeRe.FindStringSubmatch(proxyCacheParams); len(maxSizeMatches) > 1 {
result.ProxyCache.MaxSize = maxSizeMatches[1]
}
// Extract min_free parameter
minFreeRe := regexp.MustCompile(`min_free=([^\s]+)`)
if minFreeMatches := minFreeRe.FindStringSubmatch(proxyCacheParams); len(minFreeMatches) > 1 {
result.ProxyCache.MinFree = minFreeMatches[1]
}
// Extract manager_files parameter
managerFilesRe := regexp.MustCompile(`manager_files=([^\s]+)`)
if managerFilesMatches := managerFilesRe.FindStringSubmatch(proxyCacheParams); len(managerFilesMatches) > 1 {
result.ProxyCache.ManagerFiles = managerFilesMatches[1]
}
// Extract manager_sleep parameter
managerSleepRe := regexp.MustCompile(`manager_sleep=([^\s]+)`)
if managerSleepMatches := managerSleepRe.FindStringSubmatch(proxyCacheParams); len(managerSleepMatches) > 1 {
result.ProxyCache.ManagerSleep = managerSleepMatches[1]
}
// Extract manager_threshold parameter
managerThresholdRe := regexp.MustCompile(`manager_threshold=([^\s]+)`)
if managerThresholdMatches := managerThresholdRe.FindStringSubmatch(proxyCacheParams); len(managerThresholdMatches) > 1 {
result.ProxyCache.ManagerThreshold = managerThresholdMatches[1]
}
// Extract loader_files parameter
loaderFilesRe := regexp.MustCompile(`loader_files=([^\s]+)`)
if loaderFilesMatches := loaderFilesRe.FindStringSubmatch(proxyCacheParams); len(loaderFilesMatches) > 1 {
result.ProxyCache.LoaderFiles = loaderFilesMatches[1]
}
// Extract loader_sleep parameter
loaderSleepRe := regexp.MustCompile(`loader_sleep=([^\s]+)`)
if loaderSleepMatches := loaderSleepRe.FindStringSubmatch(proxyCacheParams); len(loaderSleepMatches) > 1 {
result.ProxyCache.LoaderSleep = loaderSleepMatches[1]
}
// Extract loader_threshold parameter
loaderThresholdRe := regexp.MustCompile(`loader_threshold=([^\s]+)`)
if loaderThresholdMatches := loaderThresholdRe.FindStringSubmatch(proxyCacheParams); len(loaderThresholdMatches) > 1 {
result.ProxyCache.LoaderThreshold = loaderThresholdMatches[1]
}
// Extract purger parameter
// purgerRe := regexp.MustCompile(`purger=(on|off)`)
// if purgerMatches := purgerRe.FindStringSubmatch(proxyCacheParams); len(purgerMatches) > 1 {
// result.ProxyCache.Purger = purgerMatches[1]
// }
// // Extract purger_files parameter
// purgerFilesRe := regexp.MustCompile(`purger_files=([^\s]+)`)
// if purgerFilesMatches := purgerFilesRe.FindStringSubmatch(proxyCacheParams); len(purgerFilesMatches) > 1 {
// result.ProxyCache.PurgerFiles = purgerFilesMatches[1]
// }
// // Extract purger_sleep parameter
// purgerSleepRe := regexp.MustCompile(`purger_sleep=([^\s]+)`)
// if purgerSleepMatches := purgerSleepRe.FindStringSubmatch(proxyCacheParams); len(purgerSleepMatches) > 1 {
// result.ProxyCache.PurgerSleep = purgerSleepMatches[1]
// }
// // Extract purger_threshold parameter
// purgerThresholdRe := regexp.MustCompile(`purger_threshold=([^\s]+)`)
// if purgerThresholdMatches := purgerThresholdRe.FindStringSubmatch(proxyCacheParams); len(purgerThresholdMatches) > 1 {
// result.ProxyCache.PurgerThreshold = purgerThresholdMatches[1]
// }
} else {
// No proxy_cache_path directive found, so disable it
result.ProxyCache.Enabled = false
}
return result, nil
}