|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "bufio" |
| 5 | + "bytes" |
| 6 | + "fmt" |
| 7 | + "os" |
| 8 | + "os/exec" |
| 9 | + "path/filepath" |
| 10 | + "sort" |
| 11 | + "strconv" |
| 12 | + "strings" |
| 13 | + |
| 14 | + "github.com/sirupsen/logrus" |
| 15 | + "github.com/urfave/cli/v2" |
| 16 | +) |
| 17 | + |
| 18 | +const ( |
| 19 | + apkIndexURL = "https://packages.wolfi.dev/os/x86_64/APKINDEX.tar.gz" |
| 20 | +) |
| 21 | + |
| 22 | +var k0sComponents = []struct { |
| 23 | + name string |
| 24 | + makefileVar string |
| 25 | +}{ |
| 26 | + { |
| 27 | + name: "coredns", |
| 28 | + makefileVar: "COREDNS_VERSION", |
| 29 | + }, |
| 30 | + { |
| 31 | + name: "calico-node", |
| 32 | + makefileVar: "CALICO_NODE_VERSION", |
| 33 | + }, |
| 34 | + { |
| 35 | + name: "metrics-server", |
| 36 | + makefileVar: "METRICS_SERVER_VERSION", |
| 37 | + }, |
| 38 | +} |
| 39 | + |
| 40 | +var updateK0sImagesCommand = &cli.Command{ |
| 41 | + Name: "k0s", |
| 42 | + Usage: "Updates the k0s images", |
| 43 | + UsageText: environmentUsageText, |
| 44 | + Flags: []cli.Flag{ |
| 45 | + &cli.StringFlag{ |
| 46 | + Name: "k0s-version", |
| 47 | + Usage: "The version of k0s to use to determine image versions", |
| 48 | + }, |
| 49 | + }, |
| 50 | + Action: func(c *cli.Context) error { |
| 51 | + logrus.Infof("updating k0s images") |
| 52 | + |
| 53 | + tmpdir, err := os.MkdirTemp(os.TempDir(), "k0s-images-*") |
| 54 | + if err != nil { |
| 55 | + return fmt.Errorf("failed to create temporary directory: %w", err) |
| 56 | + } |
| 57 | + |
| 58 | + if err := DownloadFile(apkIndexURL, filepath.Join(tmpdir, "APKINDEX.tar.gz")); err != nil { |
| 59 | + return fmt.Errorf("failed to download APKINDEX.tar.gz: %w", err) |
| 60 | + } |
| 61 | + |
| 62 | + if err := ExtractTarGz(filepath.Join(tmpdir, "APKINDEX.tar.gz"), tmpdir); err != nil { |
| 63 | + return fmt.Errorf("failed to extract APKINDEX.tar.gz: %w", err) |
| 64 | + } |
| 65 | + |
| 66 | + k0sVersion := c.String("k0s-version") |
| 67 | + if k0sVersion != "" { |
| 68 | + if err := runCommand("make", "pkg/goods/bins/k0s", fmt.Sprintf("K0S_VERSION=%s", k0sVersion), "K0S_BINARY_SOURCE_OVERRIDE="); err != nil { |
| 69 | + return fmt.Errorf("failed to make k0s: %w", err) |
| 70 | + } |
| 71 | + } else { |
| 72 | + if err := runCommand("make", "pkg/goods/bins/k0s"); err != nil { |
| 73 | + return fmt.Errorf("failed to make k0s: %w", err) |
| 74 | + } |
| 75 | + } |
| 76 | + |
| 77 | + if err := runCommand("make", "bin/apko"); err != nil { |
| 78 | + return fmt.Errorf("failed to make bin/apko: %w", err) |
| 79 | + } |
| 80 | + |
| 81 | + for _, component := range k0sComponents { |
| 82 | + version, err := getPackageVersion(tmpdir, component.name) |
| 83 | + if err != nil { |
| 84 | + return fmt.Errorf("failed to get package version for %s: %w", component.name, err) |
| 85 | + } |
| 86 | + |
| 87 | + apkoConfig, err := generateApkoConfig(component.name, version, tmpdir) |
| 88 | + if err != nil { |
| 89 | + return fmt.Errorf("failed to generate apko config for %s: %w", component.name, err) |
| 90 | + } |
| 91 | + |
| 92 | + if err := runCommand( |
| 93 | + "make", |
| 94 | + "apko-build-and-publish", |
| 95 | + fmt.Sprintf("REGISTRY=%s", os.Getenv("REGISTRY_SERVER")), |
| 96 | + fmt.Sprintf("USERNAME=%s", os.Getenv("REGISTRY_USER")), |
| 97 | + fmt.Sprintf("PASSWORD=%s", os.Getenv("REGISTRY_PASS")), |
| 98 | + fmt.Sprintf("IMAGE=replicated/ec-%s:%s", component.name, version), |
| 99 | + fmt.Sprintf("APKO_CONFIG=%s", apkoConfig), |
| 100 | + fmt.Sprintf("VERSION=%s", version), |
| 101 | + ); err != nil { |
| 102 | + return fmt.Errorf("failed to build and publish apko for %s: %w", component.name, err) |
| 103 | + } |
| 104 | + |
| 105 | + digest, err := getDigestFromBuildFile() |
| 106 | + if err != nil { |
| 107 | + return fmt.Errorf("failed to get digest from build file: %w", err) |
| 108 | + } |
| 109 | + |
| 110 | + if err := SetMakefileVariable(component.makefileVar, fmt.Sprintf("%s@%s", version, digest)); err != nil { |
| 111 | + return fmt.Errorf("failed to set %s version: %w", component.name, err) |
| 112 | + } |
| 113 | + } |
| 114 | + |
| 115 | + return nil |
| 116 | + }, |
| 117 | +} |
| 118 | + |
| 119 | +func getPackageVersion(tmpdir, name string) (string, error) { |
| 120 | + output, err := exec.Command("pkg/goods/bins/k0s", "airgap", "list-images", "--all").Output() |
| 121 | + if err != nil { |
| 122 | + return "", fmt.Errorf("failed to list k0s images: %w", err) |
| 123 | + } |
| 124 | + |
| 125 | + // example output: |
| 126 | + // quay.io/k0sproject/calico-node:v3.26.1-1 |
| 127 | + // quay.io/k0sproject/coredns:1.11.3 |
| 128 | + // quay.io/k0sproject/apiserver-network-proxy-agent:v0.1.4 |
| 129 | + |
| 130 | + pinnedVersion := "" |
| 131 | + scanner := bufio.NewScanner(bytes.NewReader(output)) |
| 132 | + for scanner.Scan() { |
| 133 | + line := scanner.Text() |
| 134 | + if !strings.Contains(line, "/"+name+":") { |
| 135 | + continue |
| 136 | + } |
| 137 | + parts := strings.Split(line, ":") |
| 138 | + if len(parts) != 2 { |
| 139 | + return "", fmt.Errorf("incorrect number of parts in image line: %s", line) |
| 140 | + } |
| 141 | + pinnedVersion = strings.TrimPrefix(parts[1], "v") |
| 142 | + pinnedVersion = strings.Split(pinnedVersion, "-")[0] |
| 143 | + break |
| 144 | + } |
| 145 | + |
| 146 | + if pinnedVersion == "" { |
| 147 | + return "", fmt.Errorf("failed to find pinned version for %s", name) |
| 148 | + } |
| 149 | + |
| 150 | + apkIndex, err := os.ReadFile(filepath.Join(tmpdir, "APKINDEX")) |
| 151 | + if err != nil { |
| 152 | + return "", fmt.Errorf("failed to read APKINDEX: %w", err) |
| 153 | + } |
| 154 | + |
| 155 | + // example APKINDEX content: |
| 156 | + // P:calico-node |
| 157 | + // V:3.26.1-r1 |
| 158 | + // ... |
| 159 | + // |
| 160 | + // P:calico-node |
| 161 | + // V:3.26.1-r10 |
| 162 | + // ... |
| 163 | + // |
| 164 | + // P:calico-node |
| 165 | + // V:3.26.1-r9 |
| 166 | + // ... |
| 167 | + |
| 168 | + var revisions []int |
| 169 | + scanner = bufio.NewScanner(bytes.NewReader(apkIndex)) |
| 170 | + for scanner.Scan() { |
| 171 | + line := scanner.Text() |
| 172 | + // filter by package name |
| 173 | + if !strings.HasPrefix(line, "P:"+name) { |
| 174 | + continue |
| 175 | + } |
| 176 | + scanner.Scan() |
| 177 | + line = scanner.Text() |
| 178 | + // filter by package version |
| 179 | + if !strings.Contains(line, "V:"+pinnedVersion) { |
| 180 | + continue |
| 181 | + } |
| 182 | + // find the latest revision for the package version |
| 183 | + parts := strings.Split(line, "-r") |
| 184 | + if len(parts) != 2 { |
| 185 | + return "", fmt.Errorf("incorrect number of parts in APKINDEX line: %s", line) |
| 186 | + } |
| 187 | + revision, err := strconv.Atoi(parts[1]) |
| 188 | + if err != nil { |
| 189 | + return "", fmt.Errorf("failed to parse revision: %w", err) |
| 190 | + } |
| 191 | + revisions = append(revisions, revision) |
| 192 | + } |
| 193 | + |
| 194 | + if len(revisions) == 0 { |
| 195 | + return "", fmt.Errorf("failed to find package version for %s", name) |
| 196 | + } |
| 197 | + |
| 198 | + sort.Slice(revisions, func(i, j int) bool { |
| 199 | + return revisions[i] > revisions[j] |
| 200 | + }) |
| 201 | + |
| 202 | + return fmt.Sprintf("%s-r%d", pinnedVersion, revisions[0]), nil |
| 203 | +} |
| 204 | + |
| 205 | +func generateApkoConfig(name, version, destdir string) (string, error) { |
| 206 | + inputFile := filepath.Join("deploy", "images", name, "apko.tmpl.yaml") |
| 207 | + outputFile := filepath.Join(destdir, "apko.yaml") |
| 208 | + |
| 209 | + contents, err := os.ReadFile(inputFile) |
| 210 | + if err != nil { |
| 211 | + return "", fmt.Errorf("failed to read input file: %w", err) |
| 212 | + } |
| 213 | + |
| 214 | + updated := strings.ReplaceAll(string(contents), "__VERSION__", version) |
| 215 | + |
| 216 | + if err := os.WriteFile(outputFile, []byte(updated), 0644); err != nil { |
| 217 | + return "", fmt.Errorf("failed to write output file: %w", err) |
| 218 | + } |
| 219 | + return outputFile, nil |
| 220 | +} |
| 221 | + |
| 222 | +func getDigestFromBuildFile() (string, error) { |
| 223 | + contents, err := os.ReadFile("build/digest") |
| 224 | + if err != nil { |
| 225 | + return "", fmt.Errorf("failed to read build file: %w", err) |
| 226 | + } |
| 227 | + parts := strings.Split(string(contents), "@") |
| 228 | + if len(parts) != 2 { |
| 229 | + return "", fmt.Errorf("incorrect number of parts in build file") |
| 230 | + } |
| 231 | + return strings.TrimSpace(parts[1]), nil |
| 232 | +} |
| 233 | + |
| 234 | +func runCommand(name string, args ...string) error { |
| 235 | + cmd := exec.Command(name, args...) |
| 236 | + cmd.Stdout = os.Stdout |
| 237 | + cmd.Stderr = os.Stderr |
| 238 | + return cmd.Run() |
| 239 | +} |
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