Files
steampipe/pkg/ociinstaller/fdw.go

91 lines
3.1 KiB
Go

package ociinstaller
import (
"context"
"fmt"
"log"
"os"
"path/filepath"
"time"
"github.com/turbot/steampipe/pkg/constants"
versionfile "github.com/turbot/steampipe/pkg/ociinstaller/versionfile"
)
// InstallFdw installs the Steampipe Postgres foreign data wrapper from an OCI image
func InstallFdw(ctx context.Context, dbLocation string) (string, error) {
tempDir := NewTempDir(dbLocation)
defer func() {
if err := tempDir.Delete(); err != nil {
log.Printf("[TRACE] Failed to delete temp dir '%s' after installing fdw: %s", tempDir, err)
}
}()
imageDownloader := NewOciDownloader()
// download the blobs.
image, err := imageDownloader.Download(ctx, NewSteampipeImageRef(constants.FdwImageRef), ImageTypeFdw, tempDir.Path)
if err != nil {
return "", err
}
// install the files
if err = installFdwFiles(image, tempDir.Path, dbLocation); err != nil {
return "", err
}
if err := updateVersionFileFdw(image); err != nil {
return string(image.OCIDescriptor.Digest), err
}
return string(image.OCIDescriptor.Digest), nil
}
func updateVersionFileFdw(image *SteampipeImage) error {
timeNow := versionfile.FormatTime(time.Now())
v, err := versionfile.LoadDatabaseVersionFile()
if err != nil {
return err
}
v.FdwExtension.Version = image.Config.Fdw.Version
v.FdwExtension.Name = "fdwExtension"
v.FdwExtension.ImageDigest = string(image.OCIDescriptor.Digest)
v.FdwExtension.InstalledFrom = image.ImageRef.requestedRef
v.FdwExtension.LastCheckedDate = timeNow
v.FdwExtension.InstallDate = timeNow
return v.Save()
}
func installFdwFiles(image *SteampipeImage, tempdir string, dest string) error {
fdwBinDir := filepath.Join(dest, "lib", "postgresql")
fdwBinFileSourcePath := filepath.Join(tempdir, image.Fdw.BinaryFile)
fdwBinFileDestPath := filepath.Join(fdwBinDir, constants.FdwBinaryFileName)
// NOTE: for Mac M1 machines, if the fdw binary is updated in place without deleting the existing file,
// the updated fdw may crash on execution - for an undetermined reason
// to avoid this, first remove the existing .so file
os.Remove(fdwBinFileDestPath)
// now unzip the fdw file
if _, err := ungzip(fdwBinFileSourcePath, fdwBinDir); err != nil {
return fmt.Errorf("could not unzip %s to %s: %s", fdwBinFileSourcePath, fdwBinDir, err.Error())
}
fdwControlDir := filepath.Join(dest, "share", "postgresql", "extension")
controlFileName := image.Fdw.ControlFile
controlFileSourcePath := filepath.Join(tempdir, controlFileName)
controlFileDestPath := filepath.Join(fdwControlDir, image.Fdw.ControlFile)
if err := moveFileWithinPartition(controlFileSourcePath, controlFileDestPath); err != nil {
return fmt.Errorf("could not install %s to %s", controlFileSourcePath, fdwControlDir)
}
fdwSQLDir := filepath.Join(dest, "share", "postgresql", "extension")
sqlFileName := image.Fdw.SqlFile
sqlFileSourcePath := filepath.Join(tempdir, sqlFileName)
sqlFileDestPath := filepath.Join(fdwSQLDir, sqlFileName)
if err := moveFileWithinPartition(sqlFileSourcePath, sqlFileDestPath); err != nil {
return fmt.Errorf("could not install %s to %s", sqlFileSourcePath, fdwSQLDir)
}
return nil
}