c7fe1f5726
- Add OS detection and Packages management using Pacman. - Add core, community, extra and archlinuxfr (yaourt) databases for unit tests Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com>
78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
// Copyright 2015, 2016 clair authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package packages defines PackagesDetector for several sources.
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package packages
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import (
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"bufio"
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"strings"
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"github.com/coreos/clair/database"
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"github.com/coreos/clair/utils"
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"github.com/coreos/clair/utils/types"
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"github.com/coreos/clair/worker/detectors"
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)
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// PacmanPackagesDetector implements PackagesDetector and detects pacman packages
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type PacmanPackagesDetector struct{}
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func init() {
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detectors.RegisterPackagesDetector("pacman", &PacmanPackagesDetector{})
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}
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// Detect detects packages using /var/lib/pacman/local from the input data
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func (detector *PacmanPackagesDetector) Detect(data map[string][]byte) ([]*database.Package, error) {
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log.Errorf("Pacman: %v", data)
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db, hasFile := data["var/lib/pacman"]
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if !hasFile {
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return []*database.Package{}, nil
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}
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// Create a map to store packages and ensure their uniqueness
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packagesMap := make(map[string]*database.Package)
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// Query Pacman to retrieve all of native packages with their version
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out, err := utils.Exec("", "pacman", "-Qn", "-b", string(db))
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if err != nil {
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log.Errorf("could not query Pacman: %s. output: %s", err, string(out))
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return []*database.Package{}, nil
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}
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scanner := bufio.NewScanner(strings.NewReader(string(out)))
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for scanner.Scan() {
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line := strings.Split(scanner.Text(), " ")
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version, err := types.NewVersion(line[1])
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if err != nil {
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log.Warningf(
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"could not parse package version '%s': %s. skipping",
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line[1], err.Error())
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continue
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}
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// Add package
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pkg := &database.Package{
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Name: line[0],
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Version: version,
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}
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packagesMap[pkg.Key()] = pkg
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}
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return mapToSlices(packagesMap), nil
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}
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// GetRequiredFiles returns the list of files required for Detect, without
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// leading /
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func (detector *PacmanPackagesDetector) GetRequiredFiles() []string {
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return []string{"var/lib/pacman"}
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}
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