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Merge pull request #148 from angelabriel/master
jsc#TEAM-8703, jsc#SAPSOL-331 - saptune configure
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| package actions | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/SUSE/saptune/app" | ||
| "github.com/SUSE/saptune/system" | ||
| "github.com/SUSE/saptune/txtparser" | ||
| "io" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
|
||
| var mandatoryConfigKeys = []string{app.TuneForSolutionsKey, app.TuneForNotesKey, app.NoteApplyOrderKey, "SAPTUNE_VERSION", "STAGING", "COLOR_SCHEME", "SKIP_SYSCTL_FILES", "IGNORE_RELOAD"} | ||
| var changeableConfigKeys = []string{"COLOR_SCHEME", "SKIP_SYSCTL_FILES", "IGNORE_RELOAD", "DEBUG"} | ||
|
|
||
| // MandKeyList returns a list of mandatory configuration parameter, which need | ||
| // to be available in the saptune configuration file | ||
| func MandKeyList() []string { | ||
| return mandatoryConfigKeys | ||
| } | ||
|
|
||
| // ChangeKeyList returns a list of configuration parameter, which can be set | ||
| // or changed by the customer | ||
| func ChangeKeyList() []string { | ||
| return changeableConfigKeys | ||
| } | ||
|
|
||
| // ConfigureAction changes entries in the main saptune configuration file | ||
| // Replaces the direct editing of the config file | ||
| // | ||
| // saptune configure STAGING -- not needed because of 'saptune staging enable' | ||
| func ConfigureAction(writer io.Writer, configEntry string, configVals []string, tuneApp *app.App) { | ||
| if len(configVals) == 0 && !(configEntry == "reset" || configEntry == "show") { | ||
| // missing value to be configured | ||
| PrintHelpAndExit(writer, 1) | ||
| } | ||
| switch configEntry { | ||
| case "COLOR_SCHEME": | ||
| ConfigureActionSetColorScheme(configVals[0]) | ||
| case "SKIP_SYSCTL_FILES": | ||
| ConfigureActionSetSkipSysctlFiles(configVals) | ||
| case "IGNORE_RELOAD": | ||
| ConfigureActionSetIgnoreReload(configVals[0]) | ||
| case "DEBUG": | ||
| ConfigureActionSetDebug(configVals[0]) | ||
| case "reset": | ||
| ConfigureActionReset(os.Stdin, writer, tuneApp) | ||
| case "show": | ||
| ConfigureActionShow(writer) | ||
| default: | ||
| PrintHelpAndExit(writer, 1) | ||
| } | ||
| } | ||
|
|
||
| // ConfigureActionSetColorScheme sets the color scheme | ||
| func ConfigureActionSetColorScheme(configVal string) { | ||
| switch configVal { | ||
| case "", "full-green-zebra", "cmpl-green-zebra", "full-blue-zebra", "cmpl-blue-zebra", "full-red-noncmpl", "red-noncmpl", "full-yellow-noncmpl", "yellow-noncmpl": | ||
| writeConfigEntry("COLOR_SCHEME", configVal) | ||
| default: | ||
| system.ErrorExit("wrong value '%s' for config variable 'COLOR_SCHEME'. Please check.", configVal) | ||
| } | ||
| } | ||
|
|
||
| // ConfigureActionSetIgnoreReload sets the variable IGNORE_RELOAD | ||
| func ConfigureActionSetIgnoreReload(configVal string) { | ||
| switch configVal { | ||
| case "yes", "no": | ||
| writeConfigEntry("IGNORE_RELOAD", configVal) | ||
| default: | ||
| system.ErrorExit("wrong value '%s' for config variable 'IGNORE_RELOAD'. Only 'yes' or 'no' supported. Please check.", configVal) | ||
| } | ||
| } | ||
|
|
||
| // ConfigureActionSetDebug sets the variable DEBUG | ||
| func ConfigureActionSetDebug(configVal string) { | ||
| switch configVal { | ||
| case "on", "off": | ||
| writeConfigEntry("DEBUG", configVal) | ||
| default: | ||
| system.ErrorExit("wrong value '%s' for config variable 'DEBUG'. Only 'on' or 'off' supported. Please check.", configVal) | ||
| } | ||
| } | ||
|
|
||
| // ConfigureActionSetSkipSysctlFiles sets the exclude list for the sysctl | ||
| // config warnings | ||
| func ConfigureActionSetSkipSysctlFiles(configVals []string) { | ||
| if configVals[0] == "" { | ||
| writeConfigEntry("SKIP_SYSCTL_FILES", configVals[0]) | ||
| system.ErrorExit("", 0) | ||
| } | ||
| confVals := configVals | ||
| if len(configVals) == 1 && strings.Contains(configVals[0], ",") { | ||
| confVals = strings.Split(configVals[0], ",") | ||
| } | ||
| confVal := "" | ||
| //for _, file := range configVals { | ||
| for _, file := range confVals { | ||
| file = strings.TrimSuffix(file, ",") | ||
| if system.IsValidSysctlLocations(file) { | ||
| if confVal == "" { | ||
| confVal = file | ||
| } else { | ||
| confVal = confVal + ", " + file | ||
| } | ||
| } else { | ||
| system.ErrorLog("wrong value '%s' for config variable 'SKIP_SYSCTL_FILES'. sysctl command will not search in this locaction. Skipping.", file) | ||
| } | ||
| } | ||
| if confVal != "" { | ||
| writeConfigEntry("SKIP_SYSCTL_FILES", confVal) | ||
| } else { | ||
| system.ErrorExit("wrong value(s) '%+v' for config variable 'SKIP_SYSCTL_FILES' provided. sysctl command will not search in this locaction(s). Exiting without changing saptune configuration. Please check.", configVals) | ||
| } | ||
| } | ||
|
|
||
| // writeConfigEntry writes the changed config entry setting to the saptune | ||
| // config file | ||
| func writeConfigEntry(entry, val string) { | ||
| sconf, err := txtparser.ParseSysconfigFile(saptuneSysconfig, true) | ||
| if err != nil { | ||
| system.ErrorExit("Unable to read file '%s': '%v'\n", saptuneSysconfig, err, 128) | ||
| } | ||
| if val == "" { | ||
| system.NoticeLog("Reset '%s' to empty value", entry) | ||
| } else { | ||
| system.NoticeLog("Set '%s' to '%s'", entry, val) | ||
| } | ||
| sconf.Set(entry, val) | ||
| if err := os.WriteFile(saptuneSysconfig, []byte(sconf.ToText()), 0644); err != nil { | ||
| system.ErrorExit("'%s' could not be set to '%s'. - '%v'\n", entry, val, err) | ||
| } | ||
| } | ||
|
|
||
| // ConfigureActionShow shows the content of the saptune configuration file | ||
| func ConfigureActionShow(writer io.Writer) { | ||
| cont, err := os.ReadFile(saptuneSysconfig) | ||
| if err != nil { | ||
| system.ErrorExit("Unable to read file '%s': '%v'\n", saptuneSysconfig, err, 128) | ||
| } | ||
| fmt.Fprintf(writer, "\nContent of saptune configuration file %s:\n\n%s\n", saptuneSysconfig, string(cont)) | ||
| } | ||
|
|
||
| // ConfigureActionReset(writer) | ||
| func ConfigureActionReset(reader io.Reader, writer io.Writer, tuneApp *app.App) { | ||
| fmt.Fprintf(writer, "\nATTENTION: resetting the main saptune configuration.\nThis will reset the tuning of the system and remove/reset all saptune related configuration and runtime files.\n") | ||
| txtConfirm := fmt.Sprintf("Do you really want to reset the main saptune configuration?") | ||
| if readYesNo(txtConfirm, reader, writer) { | ||
| system.InfoLog("ATTENTION: Resetting main saptune configuration") | ||
| // revert all | ||
| if err := tuneApp.RevertAll(true); err != nil { | ||
| system.ErrorLog("Failed to revert notes: %v", err) | ||
| } | ||
| // remove saved_state files, if some left over | ||
| os.RemoveAll(system.SaptuneSectionDir) | ||
| os.RemoveAll(system.SaptuneParameterStateDir) | ||
| os.RemoveAll(system.SaptuneSavedStateDir) | ||
|
|
||
| // set configuration file back to default/delivery | ||
| saptuneTemplate := system.SaptuneConfigTemplate() | ||
| if err := system.CopyFile(saptuneTemplate, saptuneSysconfig); err != nil { | ||
| system.ErrorLog("Failed to set saptune configuration file '%s' back to delivery state by copying the template file '%s'", saptuneSysconfig, saptuneTemplate) | ||
| } | ||
| } | ||
| } |
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