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Configure terraform commands, don't allow any command.

This commit is contained in:
John Engelman 2015-11-09 19:07:05 -06:00
parent 7ab6c29d3e
commit 991e651835

77
main.go
View File

@ -9,33 +9,44 @@ import (
"github.com/drone/drone-plugin-go/plugin"
)
type Terraform struct {
Commands []string `json:"commands"`
type terraform struct {
Remote remote `json:"remote"`
DryRun bool `json:"dryRun"`
Vars map[string]string `json:"vars"`
}
type remote struct {
Backend string `json:"backend"`
Config map[string]string `json:"config"`
}
func main() {
workspace := plugin.Workspace{}
vargs := Terraform{}
vargs := terraform{}
plugin.Param("workspace", &workspace)
plugin.Param("vargs", &vargs)
plugin.MustParse()
//skip if no commands are specified
if len(vargs.Commands) == 0 {
return
var commands []*exec.Cmd
remote := vargs.Remote
if remote.Backend != "" {
commands = append(commands, remoteConfigCommand(remote))
}
commands = append(commands, planCommand(vargs.Vars))
if vargs.DryRun {
commands = append(commands, applyCommand())
}
for _, c := range vargs.Commands {
cmd := command(c)
cmd.Env = os.Environ()
cmd.Dir = workspace.Path
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
trace(cmd)
for _, c := range commands {
c.Env = os.Environ()
c.Dir = workspace.Path
c.Stdout = os.Stdout
c.Stderr = os.Stderr
trace(c)
err := cmd.Run()
err := c.Run()
if err != nil {
os.Exit(1)
}
@ -43,9 +54,41 @@ func main() {
}
func command(cmd string) *exec.Cmd {
args := strings.Split(cmd, " ")
return exec.Command(args[0], args[1:]...)
func remoteConfigCommand(config remote) *exec.Cmd {
args := []string{
"remote",
"config",
fmt.Sprintf("-backend=%s", config.Backend),
}
for k, v := range config.Config {
args = append(args, fmt.Sprintf("-backend-config=\"%s=%s\"", k, v))
}
return exec.Command(
"terraform",
args...,
)
}
func planCommand(variables map[string]string) *exec.Cmd {
args := []string{
"plan",
"-out=plan.tfout",
}
for k, v := range variables {
args = append(args, fmt.Sprintf("-var \"%s=%s\"", k, v))
}
return exec.Command(
"terraform",
args...,
)
}
func applyCommand() *exec.Cmd {
return exec.Command(
"terraform",
"apply",
"plan.tfout",
)
}
func trace(cmd *exec.Cmd) {