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2024-12-25 21:16:15 +02:00
commit b6419fe551
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.gitignore vendored Normal file
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gitea-docker-registry-prune

8
.idea/.gitignore generated vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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.idea/gitea-docker-registry-prune.iml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="Go" enabled="true" />
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$" />
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

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.idea/modules.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/gitea-docker-registry-prune.iml" filepath="$PROJECT_DIR$/.idea/gitea-docker-registry-prune.iml" />
</modules>
</component>
</project>

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.idea/vcs.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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go.mod Normal file
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module gitea.stuzer.link/stuzer05/gitea-docker-registry-prune
go 1.23.4
require (
code.gitea.io/sdk/gitea v0.19.0
github.com/carlmjohnson/requests v0.24.3
)
require (
github.com/davidmz/go-pageant v1.0.2 // indirect
github.com/go-fed/httpsig v1.1.0 // indirect
github.com/hashicorp/go-version v1.7.0 // indirect
golang.org/x/crypto v0.31.0 // indirect
golang.org/x/net v0.32.0 // indirect
golang.org/x/sys v0.28.0 // indirect
)

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go.sum Normal file
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code.gitea.io/sdk/gitea v0.19.0 h1:8I6s1s4RHgzxiPHhOQdgim1RWIRcr0LVMbHBjBFXq4Y=
code.gitea.io/sdk/gitea v0.19.0/go.mod h1:IG9xZJoltDNeDSW0qiF2Vqx5orMWa7OhVWrjvrd5NpI=
github.com/carlmjohnson/requests v0.24.3 h1:LYcM/jVIVPkioigMjEAnBACXl2vb42TVqiC8EYNoaXQ=
github.com/carlmjohnson/requests v0.24.3/go.mod h1:duYA/jDnyZ6f3xbcF5PpZ9N8clgopubP2nK5i6MVMhU=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davidmz/go-pageant v1.0.2 h1:bPblRCh5jGU+Uptpz6LgMZGD5hJoOt7otgT454WvHn0=
github.com/davidmz/go-pageant v1.0.2/go.mod h1:P2EDDnMqIwG5Rrp05dTRITj9z2zpGcD9efWSkTNKLIE=
github.com/go-fed/httpsig v1.1.0 h1:9M+hb0jkEICD8/cAiNqEB66R87tTINszBRTjwjQzWcI=
github.com/go-fed/httpsig v1.1.0/go.mod h1:RCMrTZvN1bJYtofsG4rd5NaO5obxQ5xBkdiS7xsT7bM=
github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
github.com/hashicorp/go-version v1.7.0 h1:5tqGy27NaOTB8yJKUZELlFAS/LTKJkrmONwQKeRZfjY=
github.com/hashicorp/go-version v1.7.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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main.go Normal file
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package main
import (
"context"
"fmt"
"os"
"slices"
"strings"
"code.gitea.io/sdk/gitea"
"github.com/carlmjohnson/requests"
)
func main() {
giteaUrl := os.Getenv("GITEA_URL")
giteaToken := os.Getenv("GITEA_TOKEN")
if err := run(giteaUrl, giteaUrl, giteaToken); err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println("OK")
}
func run(giteaUrl string, registryUrl string, giteaToken string) error {
ctx := context.TODO()
var catalog RegistryCatalog
if err := requests.URL(registryUrl).Path("/v2/_catalog").BasicAuth("<token>", giteaToken).ToJSON(&catalog).Fetch(ctx); err != nil {
return err
}
var images []string
var orgs []string
for _, repo := range catalog.Repositories {
srepo := strings.Split(repo, "/")
if len(srepo) == 2 {
if !slices.Contains(orgs, srepo[0]) {
orgs = append(orgs, srepo[0])
}
var regRepo RegistryRepository
if err := requests.URL(registryUrl).Pathf("/v2/%s/tags/list", repo).BasicAuth("<token>", giteaToken).ToJSON(&regRepo).Fetch(ctx); err != nil {
return err
}
for _, tag := range regRepo.Tags {
var regMan RegistryRepositoryManifest
if err := requests.URL(registryUrl).Pathf("/v2/%s/manifests/%s", repo, tag).BasicAuth("<token>", giteaToken).ToJSON(&regMan).Fetch(ctx); err != nil {
return err
}
for _, man := range regMan.Manifests {
images = append(images, repo+"/"+man.Digest)
}
}
}
}
var toPurge, toKeep []string
client, err := gitea.NewClient(giteaUrl, gitea.SetToken(giteaToken))
if err != nil {
return err
}
for _, org := range orgs {
page := 1
pageSize := -1
for {
list, _, err := client.ListPackages(org, gitea.ListPackagesOptions{ListOptions: gitea.ListOptions{Page: page}})
if err != nil {
return err
}
if pageSize < 0 {
pageSize = len(list)
}
if len(list) < pageSize || len(list) == 0 {
break
}
page++
for _, pkg := range list {
if pkg.Type == "container" && strings.HasPrefix(pkg.Version, "sha") {
if slices.Contains(images, org+"/"+pkg.Name+"/"+pkg.Version) {
toKeep = append(toKeep, org+"/"+pkg.Name+"/"+pkg.Version)
} else {
toPurge = append(toPurge, org+"/"+pkg.Name+"/"+pkg.Version)
}
}
}
}
}
slices.Sort(images)
slices.Sort(toKeep)
if !slices.Equal(images, toKeep) {
return fmt.Errorf("images from registry don't match with those to keep")
}
for _, p := range toPurge {
px := strings.Split(p, "/")
if len(px) == 3 {
if _, err := client.DeletePackage(px[0], "container", px[1], px[2]); err != nil {
return err
}
fmt.Printf("removing.. \"%s/%s\" %s\n", px[0], px[1], px[2])
}
}
return nil
}
type RegistryCatalog struct {
Repositories []string `json:"repositories"`
}
type RegistryRepository struct {
Name string `json:"name"`
Tags []string `json:"tags"`
}
type RegistryRepositoryManifest struct {
SchemaVersion int `json:"schemaVersion"`
MediaType string `json:"mediaType"`
Digest string `json:"digest"`
Size int `json:"size"`
Manifests []RegistryRepositoryManifest `json:"manifests"`
}