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lhcbconfig.go
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/
lhcbconfig.go
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package main
import (
"fmt"
"os"
"path/filepath"
"strings"
)
type Config interface {
DefaultSiteroot() string
Siteroot() string
RepoUrl() string
Name() string
Debug() bool
RpmUpdate() bool
// RelocateArgs returns the arguments to be passed to RPM for the repositories
RelocateArgs() []string
// RelocateFile returns the relocated file path
RelocateFile(fname string) string
InitYum(*Context) error
}
// lhcbConfig holds the options and defaults for the (LHCb) installer
type lhcbConfig struct {
siteroot string // where to install software, binaries, ...
repourl string
debug bool
rpmupdate bool // install/update switch
}
// NewConfig returns a default configuration value.
func NewConfig(siteroot string) Config {
if siteroot == "" {
paths := strings.Split(os.Getenv("MYSITEROOT"), string(os.PathListSeparator))
siteroot = paths[0]
}
cfg := &lhcbConfig{
siteroot: siteroot,
repourl: "http://cern.ch/lhcbproject/dist/rpm",
}
if siteroot == "" {
cfg.siteroot = cfg.DefaultSiteroot()
}
return cfg
}
func (cfg *lhcbConfig) Siteroot() string {
return cfg.siteroot
}
func (cfg *lhcbConfig) RepoUrl() string {
return cfg.repourl
}
func (cfg *lhcbConfig) Debug() bool {
return cfg.debug
}
func (cfg *lhcbConfig) RpmUpdate() bool {
return cfg.rpmupdate
}
func (cfg *lhcbConfig) Name() string {
return "lhcb"
}
func (cfg *lhcbConfig) DefaultSiteroot() string {
return "/opt/LHCbSoft"
}
// RelocateArgs returns the arguments to be passed to RPM for the repositories
func (cfg *lhcbConfig) RelocateArgs() []string {
return []string{
"--relocate", fmt.Sprintf("%s=%s", "/opt/lcg/external", filepath.Join(cfg.siteroot, "lcg", "external")),
"--relocate", fmt.Sprintf("%s=%s", "/opt/lcg", filepath.Join(cfg.siteroot, "lcg", "releases")),
"--relocate", fmt.Sprintf("%s=%s", "/opt/LHCbSoft", cfg.siteroot),
"--badreloc",
}
}
// RelocateFile returns the relocated file path
func (cfg *lhcbConfig) RelocateFile(fname string) string {
fname = strings.Replace(fname, "/opt/lcg/external", filepath.Join(cfg.siteroot, "lcg", "external"), 1)
fname = strings.Replace(fname, "/opt/lcg", filepath.Join(cfg.siteroot, "lcg", "releases"), 1)
fname = strings.Replace(fname, "/opt/LHCbSoft", cfg.siteroot, 1)
return fname
}
func (cfg *lhcbConfig) InitYum(ctx *Context) error {
var err error
repourl := cfg.RepoUrl()
if repourl[len(repourl)-1] == '/' {
repourl = repourl[:len(repourl)-1]
}
repodir := ctx.yumreposd
err = os.MkdirAll(repodir, 0644)
if err != nil {
return err
}
// lcg stuff
{
repo := filepath.Join(repodir, "lcg.repo")
f, err := os.Create(repo)
if err != nil {
return err
}
defer f.Close()
err = ctx.writeYumRepo(f, map[string]string{
"name": "lcg",
"url": "http://cern.ch/service-spi/external/rpms/lcg",
})
if err != nil {
return err
}
err = f.Sync()
if err != nil {
return err
}
err = f.Close()
if err != nil {
return err
}
}
// lhcb stuff
{
repo := filepath.Join(repodir, "lhcb.repo")
f, err := os.Create(repo)
if err != nil {
return err
}
defer f.Close()
err = ctx.writeYumRepo(f, map[string]string{
"name": "lhcb",
"url": repourl + "/lhcb",
})
if err != nil {
return err
}
err = f.Sync()
if err != nil {
return err
}
err = f.Close()
if err != nil {
return err
}
}
// lhcb ext stuff
{
repo := filepath.Join(repodir, "lhcbext.repo")
f, err := os.Create(repo)
if err != nil {
return err
}
defer f.Close()
err = ctx.writeYumRepo(f, map[string]string{
"name": "lhcbext",
"url": repourl + "/lcg",
})
if err != nil {
return err
}
err = f.Sync()
if err != nil {
return err
}
err = f.Close()
if err != nil {
return err
}
}
// lhcb incubator
{
repo := filepath.Join(repodir, "lhcbincubator.repo")
f, err := os.Create(repo)
if err != nil {
return err
}
defer f.Close()
err = ctx.writeYumRepo(f, map[string]string{
"name": "lhcbincubator",
"url": repourl + "/incubator",
})
if err != nil {
return err
}
err = f.Sync()
if err != nil {
return err
}
err = f.Close()
if err != nil {
return err
}
}
return err
}