/
system.go
126 lines (111 loc) · 3.17 KB
/
system.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
package installer
import (
"os"
"path/filepath"
"sync"
"github.com/hashicorp/go-multierror"
"github.com/mudler/luet/pkg/api/core/template"
"github.com/mudler/luet/pkg/api/core/types"
fileHelper "github.com/mudler/luet/pkg/helpers/file"
"github.com/mudler/luet/pkg/tree"
)
type System struct {
Database types.PackageDatabase
Target string
fileIndex map[string]*types.Package
fileIndexPackages map[string]*types.Package
sync.Mutex
}
func (s *System) World() (types.Packages, error) {
return s.Database.World(), nil
}
func (s *System) OSCheck(ctx types.Context) (notFound types.Packages) {
s.buildFileIndex()
s.Lock()
defer s.Unlock()
for f, p := range s.fileIndex {
targetFile := filepath.Join(s.Target, f)
if _, err := os.Lstat(targetFile); err != nil {
if _, err := s.Database.FindPackage(p); err == nil {
ctx.Debugf("Missing file '%s' from '%s'", targetFile, p.HumanReadableString())
notFound = append(notFound, p)
}
}
}
notFound = notFound.Unique()
return
}
func (s *System) ExecuteFinalizers(ctx types.Context, packs []*types.Package) error {
var errs error
executedFinalizer := map[string]bool{}
for _, p := range packs {
if !fileHelper.Exists(p.Rel(tree.FinalizerFile)) {
continue
}
out, err := template.RenderWithValues([]string{p.Rel(tree.FinalizerFile)}, p.Rel(types.PackageDefinitionFile))
if err != nil {
ctx.Warning("Failed rendering finalizer for ", p.HumanReadableString(), err.Error())
errs = multierror.Append(errs, err)
continue
}
if _, exists := executedFinalizer[p.GetFingerPrint()]; !exists {
executedFinalizer[p.GetFingerPrint()] = true
ctx.Info("Executing finalizer for " + p.HumanReadableString())
finalizer, err := NewLuetFinalizerFromYaml([]byte(out))
if err != nil {
ctx.Warning("Failed reading finalizer for ", p.HumanReadableString(), err.Error())
errs = multierror.Append(errs, err)
continue
}
err = finalizer.RunInstall(ctx, s)
if err != nil {
ctx.Warning("Failed running finalizer for ", p.HumanReadableString(), err.Error())
errs = multierror.Append(errs, err)
continue
}
}
}
return errs
}
func (s *System) buildFileIndex() {
// XXX: Replace with cache
s.Lock()
defer s.Unlock()
if s.fileIndex == nil {
s.fileIndex = make(map[string]*types.Package)
}
if s.fileIndexPackages == nil {
s.fileIndexPackages = make(map[string]*types.Package)
}
// Check if cache is empty or if it got modified
if len(s.Database.GetPackages()) != len(s.fileIndexPackages) {
s.fileIndexPackages = make(map[string]*types.Package)
for _, p := range s.Database.World() {
files, _ := s.Database.GetPackageFiles(p)
for _, f := range files {
s.fileIndex[f] = p
}
s.fileIndexPackages[p.GetPackageName()] = p
}
}
}
func (s *System) Clean() {
s.Lock()
defer s.Unlock()
s.fileIndex = nil
}
func (s *System) FileIndex() map[string]*types.Package {
s.buildFileIndex()
s.Lock()
defer s.Unlock()
return s.fileIndex
}
func (s *System) ExistsPackageFile(file string) (bool, *types.Package, error) {
s.buildFileIndex()
s.Lock()
defer s.Unlock()
if p, exists := s.fileIndex[file]; exists {
return exists, p, nil
}
return false, nil, nil
}