diff options
author | Ondrej Fabry <ofabry@cisco.com> | 2020-06-18 08:22:13 +0200 |
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committer | Ondrej Fabry <ofabry@cisco.com> | 2020-06-22 14:37:14 +0200 |
commit | 94620e85f0bdbb054af07ce3670fadc1f76cfdf0 (patch) | |
tree | 7784ddf381c4e08a6a1ece5b55911b47ea8395f3 /cmd/binapi-generator/util.go | |
parent | 280b1c6c83b676ef4e592f4ecf60cb5b54b6a753 (diff) |
Refactored binapi generator with message encoding
Change-Id: I5a6abb68b9d058866f94818169300e5c2fc43895
Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
Diffstat (limited to 'cmd/binapi-generator/util.go')
-rw-r--r-- | cmd/binapi-generator/util.go | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/cmd/binapi-generator/util.go b/cmd/binapi-generator/util.go new file mode 100644 index 0000000..8738963 --- /dev/null +++ b/cmd/binapi-generator/util.go @@ -0,0 +1,81 @@ +// Copyright (c) 2020 Cisco and/or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at: +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package main + +import ( + "io/ioutil" + "os/exec" + "path" + "strings" + + "github.com/sirupsen/logrus" +) + +const ( + versionScriptPath = "./src/scripts/version" + defaultVppApiDir = "/usr/share/vpp/api" +) + +func ResolveVppVersion(inputDir string) string { + // assuming VPP package is installed + if inputDir == defaultVppApiDir { + // resolve VPP version using dpkg + cmd := exec.Command("dpkg-query", "-f", "${Version}", "-W", "vpp") + out, err := cmd.CombinedOutput() + if err != nil { + logrus.Warnf("resolving VPP version from installed package failed: %v", err) + logrus.Warnf("command output: %s", out) + } else { + version := strings.TrimSpace(string(out)) + logrus.Debugf("resolved VPP version from installed package: %v", version) + return version + } + } + // check if inside VPP git repo + if inputDir != "" { + repo := findVppGitRepo(inputDir) + if repo != "" { + cmd := exec.Command(versionScriptPath) + cmd.Dir = repo + out, err := cmd.CombinedOutput() + if err != nil { + logrus.Warnf("resolving VPP version from version script failed: %v", err) + logrus.Warnf("command output: %s", out) + } else { + version := strings.TrimSpace(string(out)) + logrus.Debugf("resolved VPP version from version script: %v", version) + return version + } + } + file, err := ioutil.ReadFile(path.Join(inputDir, "VPP_VERSION")) + if err == nil { + return strings.TrimSpace(string(file)) + } + } + logrus.Warnf("VPP version could not be resolved, you can set it manually using VPP_API_VERSION env var") + return "unknown" +} + +func findVppGitRepo(dir string) string { + cmd := exec.Command("git", "rev-parse", "--show-toplevel") + cmd.Dir = dir + out, err := cmd.CombinedOutput() + if err != nil { + logrus.Warnf("checking VPP git repo failed: %v", err) + logrus.Warnf("command output: %s", out) + return "" + } + return strings.TrimSpace(string(out)) +} |