package deploy import ( "fmt" "strconv" "strings" "github.com/drone/drone/pkg/build/buildfile" ) // SSH struct holds configuration data for deployment // via ssh, deployment done by scp-ing file(s) listed // in artifacts to the target host, and then run cmd // remotely. // It is assumed that the target host already // add this repo public key in the host's `authorized_hosts` // file. And the private key is already copied to `.ssh/id_rsa` // inside the build container. No further check will be done. type SSH struct { // Target is the deployment host in this format // user@hostname:/full/path // // PORT may be omitted if its default to port 22. Target string `yaml:"target,omitempty"` // Artifacts is a list of files/dirs to be deployed // to the target host. If artifacts list more than one file // it will be compressed into a single tar.gz file. // if artifacts contain: // - GITARCHIVE // // other file listed in artifacts will be ignored, instead, we will // create git archive from the current revision and deploy that file // alone. // If you need to deploy the git archive along with some other files, // please use build script to create the git archive, and then list // the archive name here with the other files. Artifacts []string `yaml:"artifacts,omitempty"` // Cmd is a single command executed at target host after the artifacts // is deployed. Cmd string `yaml:"cmd,omitempty"` } // Write down the buildfile func (s *SSH) Write(f *buildfile.Buildfile) { host := strings.SplitN(s.Target, " ", 2) if len(host) == 1 { host = append(host, "22") } if _, err := strconv.Atoi(host[1]); err != nil { host[1] = "22" } // Is artifact created? artifact := false for _, a := range s.Artifacts { if a == "GITARCHIVE" { artifact = createGitArchive(f) break } } if len(s.Artifacts) > 1 && !artifact { artifact = compress(f, s.Artifacts) } else if len(s.Artifacts) == 1 { f.WriteCmdSilent(fmt.Sprintf("ARTIFACT=%s", s.Artifacts[0])) artifact = true } if artifact { scpCmd := "scp -o StrictHostKeyChecking=no -P %s ${ARTIFACT} %s" f.WriteCmd(fmt.Sprintf(scpCmd, host[1], host[0])) } if len(s.Cmd) > 0 { sshCmd := "ssh -o StrictHostKeyChecking=no -p %s %s %s" f.WriteCmd(fmt.Sprintf(sshCmd, host[1], strings.SplitN(host[0], ":", 2)[0], s.Cmd)) } } func createGitArchive(f *buildfile.Buildfile) bool { f.WriteCmdSilent("COMMIT=$(git rev-parse HEAD)") f.WriteCmdSilent("ARTIFACT=${PWD##*/}-${COMMIT}.tar.gz") f.WriteCmdSilent("git archive --format=tar.gz --prefix=${PWD##*/}/ ${COMMIT} > ${ARTIFACT}") return true } func compress(f *buildfile.Buildfile, files []string) bool { cmd := "tar -cf ${ARTIFACT} %s" f.WriteCmdSilent("ARTIFACT=${PWD##*/}.tar.gz") f.WriteCmdSilent(fmt.Sprintf(cmd, strings.Join(files, " "))) return true }