admin
f580d88a14
gates / gates (push) Successful in 45s
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
package mediawire
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import (
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"database/sql"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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_ "modernc.org/sqlite"
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"gitea.dooplex.hu/admin/felhom-controller/internal/appbackup"
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"gitea.dooplex.hu/admin/felhom-controller/internal/dockerexec"
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)
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// DockerBox is the production Box: the docker CLI on this guest.
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type DockerBox struct{}
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func (DockerBox) Running(c string) bool {
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out, err := dockerexec.Command("docker", "inspect", "-f", "{{.State.Running}}", c).Output()
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return err == nil && strings.TrimSpace(string(out)) == "true"
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}
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func (DockerBox) Env(c, name string) (string, error) {
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out, err := dockerexec.Command("docker", "exec", c, "printenv", name).Output()
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if err != nil {
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return "", fmt.Errorf("%s: reading %s: %w", c, name, err)
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}
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return strings.TrimRight(string(out), "\n"), nil
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}
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func (DockerBox) ReadFile(c, path string) ([]byte, error) {
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out, err := dockerexec.Command("docker", "exec", c, "cat", path).Output()
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if err != nil {
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return nil, fmt.Errorf("%s: reading %s: %w", c, path, err)
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}
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return out, nil
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}
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func (DockerBox) EnsureDir(p string) error { return appbackup.EnsureUserdataDir(p) }
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func (DockerBox) Mounts(c string) map[string]string {
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out, err := dockerexec.Command("docker", "inspect", "-f", "{{json .Mounts}}", c).Output()
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res := map[string]string{}
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if err != nil {
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return res
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}
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var ms []struct {
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Source string `json:"Source"`
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Destination string `json:"Destination"`
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}
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if json.Unmarshal(out, &ms) == nil {
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for _, m := range ms {
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res[filepath.Clean(m.Destination)] = m.Source
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}
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}
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return res
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}
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// JellyfinKey copies Jellyfin's database (with its -wal/-shm, R-286's lesson) into a 0700 temp dir, reads the API key
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// with this name read-only, and removes the copy at once. The key is returned to the caller only.
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func (DockerBox) JellyfinKey(name string) (string, error) {
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dir, err := os.MkdirTemp("", "felhom-jf-")
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if err != nil {
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return "", err
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}
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defer os.RemoveAll(dir)
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for _, f := range []string{"jellyfin.db", "jellyfin.db-wal", "jellyfin.db-shm"} {
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err := dockerexec.Command("docker", "cp", "jellyfin:/config/data/"+f, filepath.Join(dir, f)).Run()
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if err != nil && f == "jellyfin.db" {
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return "", fmt.Errorf("copying Jellyfin's database: %w", err)
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}
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}
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db, err := sql.Open("sqlite", "file:"+filepath.Join(dir, "jellyfin.db"))
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if err != nil {
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return "", err
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}
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defer db.Close()
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var key string
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err = db.QueryRow(`SELECT AccessToken FROM ApiKeys WHERE Name = ? ORDER BY DateCreated DESC LIMIT 1`, name).Scan(&key)
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if err == sql.ErrNoRows {
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return "", nil
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}
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return key, err
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}
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