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120 changes: 0 additions & 120 deletions cmd/akashi.go
Original file line number Diff line number Diff line change
@@ -1,150 +1,30 @@
package cmd

import (
"fmt"
"io"
"os"

"github.com/spf13/cobra"

"github.com/drlau/akashi/internal/compare"
comparecmd "github.com/drlau/akashi/pkg/cmd/compare"
diffcmd "github.com/drlau/akashi/pkg/cmd/diff"
versioncmd "github.com/drlau/akashi/pkg/cmd/version"
"github.com/drlau/akashi/pkg/plan"
"github.com/drlau/akashi/pkg/utils"
)

var version = "dev"

var (
file string
versionOutput string
quiet bool
json bool
failedOnly bool
strict bool
noColor bool
errorOnFail bool
)

func NewCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "akashi <command> <path to ruleset>",
Short: "Akashi / 証",
Long: `Validate "terraform plan" changes against a customizable ruleset`,
Args: cobra.ExactArgs(1),
RunE: run,
SilenceUsage: true,
}

cmd.SetVersionTemplate(version)

cmd.Flags().StringVarP(&file, "file", "f", "", "read plan output from file")
cmd.Flags().BoolVarP(&quiet, "quiet", "q", false, "compare only, and error if there is a failing rule")
cmd.Flags().BoolVar(&failedOnly, "failed-only", false, "only output failing lines")
cmd.Flags().BoolVarP(&strict, "strict", "s", false, "require all resources to match a comparer")
cmd.Flags().BoolVar(&noColor, "no-color", false, "disable color output")
cmd.Flags().BoolVarP(&errorOnFail, "error-on-fail", "e", false, "for non-quiet runs, make akashi return exit code 1 on fails")
cmd.Flags().BoolVarP(&json, "json", "j", false, "read the contents as the output from 'terraform state show -json'")
// TODO
// cmd.Flags().BoolVarP(&verbose, "verbose", "V", false, "enable verbose output")

cmd.AddCommand(comparecmd.NewCmdCompare())
cmd.AddCommand(diffcmd.NewCmdDiff())
cmd.AddCommand(versioncmd.NewCmdVersion(os.Stdout, version))

return cmd
}

func run(_ *cobra.Command, args []string) error {
comparers, err := compare.NewComparerSet(args[0])
if err != nil {
return err
}

in, err := plan.NewResourcePlans(file, json)
if err != nil {
return err
}

if quiet {
fmt.Fprintln(os.Stderr, `[WARN] -q is deprecated. Please run "akashi compare" instead.`)
os.Exit(runCompare(in, comparers))
}
out := utils.NewOutput(noColor)

fmt.Fprintln(os.Stderr, `[WARN] no command is deprecated. Please run "akashi diff" instead.`)
os.Exit(runDiff(out, in, comparers))
return nil
}

func runCompare(rc []plan.ResourcePlan, comparers compare.ComparerSet) int {
createComparer := comparers.CreateComparer
destroyComparer := comparers.DestroyComparer
updateComparer := comparers.UpdateComparer

for _, r := range rc {
if r.IsCreate() && createComparer != nil {
if !createComparer.Compare(r) {
return 1
}
} else if r.IsDelete() && destroyComparer != nil {
if !destroyComparer.Compare(r) {
return 1
}
} else if r.IsUpdate() && updateComparer != nil {
if !updateComparer.Compare(r) {
return 1
}
} else if strict {
return 1
}
}

return 0
}

func runDiff(out io.Writer, rc []plan.ResourcePlan, comparers compare.ComparerSet) int {
exitCode := 0
createComparer := comparers.CreateComparer
destroyComparer := comparers.DestroyComparer
updateComparer := comparers.UpdateComparer

for _, r := range rc {
diff := ""
pass := true
if r.IsCreate() && createComparer != nil {
diff, pass = createComparer.Diff(r)
} else if r.IsDelete() && destroyComparer != nil {
diff, pass = destroyComparer.Diff(r)
} else if r.IsUpdate() && updateComparer != nil {
diff, pass = updateComparer.Diff(r)
} else {
if !strict {
continue
}

if errorOnFail {
exitCode = 1
}
fmt.Fprintln(out, fmt.Sprintf("%s %s (no matching comparer)", utils.Yellow("?"), r.GetAddress()))
continue
}
if pass {
if failedOnly {
continue
}

fmt.Fprintln(out, diff)
continue
}

fmt.Fprintln(out, diff)
if errorOnFail {
exitCode = 1
}
}

return exitCode
}
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