Update Dockerfile

fix issue

.drone.yml

@@ -1,32 +1,36 @@
+---
 kind: pipeline
-type: docker
-name: default
+type: kubernetes
+name: build
 
+trigger:
+  branch:
+    - master
+
+clone:
+  # disable: true
+  depth: 1
+
+image_pull_secrets:
+- dockerconfig
 
 steps:
-  - name: test
-    image: golang:1.13
-    commands:
-      - go test ./cmd/... ./internal/...
-      - go vet ./cmd/... ./internal/...
-  - name: lint
-    image: cytopia/golint
-    commands:
-      - golint -set_exit_status ./cmd/... ./internal/...
-  - name: build
-    image: golang:1.13
-    commands:
-      - go build -o build/drone-helm cmd/drone-helm/main.go
   - name: publish_linux_amd64
-    image: plugins/docker
+    image: harbor.1sept.ru/drone/drone-kaniko
     settings:
-      auto_tag: true
+      registry: harbor.1sept.ru
+      repo: drone/drone-helm3
+      cache: false
+      tags:
+        - git-${DRONE_COMMIT_SHA:0:7}
+        - latest
       username: 
-        from_secret: docker_username
+        from_secret: harbor-username
       password: 
-        from_secret: docker_password
-      repo:
-        from_secret: plugin_repo
-      dockerfile: Dockerfile
-    when:
-      event: [ tag, push ]
+        from_secret: harbor-password
+
+---
+kind: signature
+hmac: ab275b41f1621072152d6e85b5f94289be8dda38debd2a177e0f666960491c6e
+
+...

.gitignore

@@ -20,3 +20,4 @@
 .secrets
 
 build/*
+**/.DS_Store

Dockerfile

@@ -1,10 +1,19 @@
-FROM alpine/helm:3.6.2
-MAINTAINER Erin Call <erin@liffft.com>
+FROM golang:1.24-alpine3.21 AS builder
 
-COPY build/drone-helm /bin/drone-helm
-COPY assets/kubeconfig.tpl /root/.kube/config.tpl
+ENV GO111MODULE=on
+WORKDIR /app
 
-LABEL description="Helm 3 plugin for Drone 3"
-LABEL base="alpine/helm"
+COPY --link go.mod .
+COPY --link go.sum .
+RUN go mod download
+COPY --link . .
+
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /go/bin/drone-helm ./cmd/drone-helm
+
+# --- Copy the cli to an image with helm already installed ---
+FROM alpine/helm:3.18.5
+
+COPY --link --from=builder /go/bin/drone-helm /bin/drone-helm
+COPY --link ./assets/kubeconfig.tpl /root/.kube/config.tpl
 
 ENTRYPOINT [ "/bin/drone-helm" ]

Makefile

@@ -0,0 +1,9 @@
+help:
+	@echo "make check      - Check Dockerfile syntax"
+	@echo "make drone-sign - Sign Drone config file"
+
+check:
+	docker build --check .
+
+drone-sign:  ## Envs DRONE_SERVER & DRONE_TOKEN needed
+	drone sign --save 1sept/drone-helm3

docs/parameter_reference.md

@@ -44,6 +44,7 @@ Installations are triggered when the `mode` setting is "upgrade." They can also
 | force_upgrade          | boolean        |          | force                  | Pass `--force` to `helm upgrade`. |
 | atomic_upgrade         | boolean        |          |                        | Pass `--atomic` to `helm upgrade`. |
 | cleanup_failed_upgrade | boolean        |          |                        | Pass `--cleanup-on-fail` to `helm upgrade`. |
+| history_max            | int            |          |                        | Pass `--history-max` to `helm upgrade`. |
 | values                 | list\<string\> |          |                        | Chart values to use as the `--set` argument to `helm upgrade`. |
 | string_values          | list\<string\> |          |                        | Chart values to use as the `--set-string` argument to `helm upgrade`. |
 | values_files           | list\<string\> |          |                        | Values to use as `--values` arguments to `helm upgrade`. |

internal/env/config.go

@@ -10,6 +10,10 @@ import (
 	"github.com/kelseyhightower/envconfig"
 )
 
+const (
+	defaultHistoryMax = 10
+)
+
 var (
 	justNumbers    = regexp.MustCompile(`^\d+$`)
 	deprecatedVars = []string{"PURGE", "RECREATE_PODS", "TILLER_NS", "UPGRADE", "CANARY_IMAGE", "CLIENT_ONLY", "STABLE_REPO_URL"}
@@ -45,6 +49,7 @@ type Config struct {
 	Wait               bool     `envconfig:"wait_for_upgrade"`       // Pass --wait to applicable helm commands
 	ReuseValues        bool     `split_words:"true"`                 // Pass --reuse-values to `helm upgrade`
 	KeepHistory        bool     `split_words:"true"`                 // Pass --keep-history to `helm uninstall`
+	HistoryMax         int      `split_words:"true"`                 // Pass --history-max option
 	Timeout            string   ``                                   // Argument to pass to --timeout in applicable helm commands
 	Chart              string   ``                                   // Chart argument to use in applicable helm commands
 	Release            string   ``                                   // Release argument to use in applicable helm commands
@@ -79,6 +84,9 @@ func NewConfig(stdout, stderr io.Writer) (*Config, error) {
 		KubeToken:      aliases.KubeToken,
 		Certificate:    aliases.Certificate,
 
+		// set to same default as helm CLI
+		HistoryMax: defaultHistoryMax,
+
 		Stdout: stdout,
 		Stderr: stderr,
 	}

internal/env/config_test.go

@@ -217,6 +217,15 @@ func (suite *ConfigTestSuite) TestValuesSecretsWithDebugLogging() {
 	suite.Contains(stderr.String(), `$SECRET_WATER not present in environment, replaced with ""`)
 }
 
+func (suite *ConfigTestSuite) TestHistoryMax() {
+	conf := NewTestConfig(suite.T())
+	suite.Assert().Equal(10, conf.HistoryMax)
+
+	suite.setenv("PLUGIN_HISTORY_MAX", "0")
+	conf = NewTestConfig(suite.T())
+	suite.Assert().Equal(0, conf.HistoryMax)
+}
+
 func (suite *ConfigTestSuite) setenv(key, val string) {
 	orig, ok := os.LookupEnv(key)
 	if ok {

internal/env/testing.go

@@ -0,0 +1,16 @@
+package env
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// NewTestConfig is a helper for setting up a Config object and error checking
+func NewTestConfig(t *testing.T) *Config {
+	conf, err := NewConfig(os.Stdout, os.Stderr)
+	require.NoError(t, err)
+
+	return conf
+}

internal/run/initkube.go

@@ -3,10 +3,11 @@ package run
 import (
 	"errors"
 	"fmt"
-	"github.com/pelotech/drone-helm3/internal/env"
 	"io"
 	"os"
 	"text/template"
+
+	"github.com/pelotech/drone-helm3/internal/env"
 )
 
 // InitKube is a step in a helm Plan that initializes the kubernetes config file.
@@ -87,7 +88,7 @@ func (i *InitKube) Prepare() error {
 		fmt.Fprintf(i.stderr, "kubeconfig file at %s\n", i.configFilename)
 	}
 
-	i.configFile, err = os.Create(i.configFilename)
+	i.configFile, err = os.OpenFile(i.configFilename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
 	if err != nil {
 		return fmt.Errorf("could not open kubeconfig file for writing: %w", err)
 	}

internal/run/upgrade.go

@@ -2,6 +2,7 @@ package run
 
 import (
 	"fmt"
+
 	"github.com/pelotech/drone-helm3/internal/env"
 )
 
@@ -22,6 +23,7 @@ type Upgrade struct {
 	force           bool
 	atomic          bool
 	cleanupOnFail   bool
+	historyMax      int
 	certs           *repoCerts
 	createNamespace bool
 	skipCrds        bool
@@ -46,6 +48,7 @@ func NewUpgrade(cfg env.Config) *Upgrade {
 		force:           cfg.Force,
 		atomic:          cfg.AtomicUpgrade,
 		cleanupOnFail:   cfg.CleanupOnFail,
+		historyMax:      cfg.HistoryMax,
 		certs:           newRepoCerts(cfg),
 		createNamespace: cfg.CreateNamespace,
 		skipCrds:        cfg.SkipCrds,
@@ -110,6 +113,9 @@ func (u *Upgrade) Prepare() error {
 	}
 	args = append(args, u.certs.flags()...)
 
+	// always set --history-max since it defaults to non-zero value
+	args = append(args, fmt.Sprintf("--history-max=%d", u.historyMax))
+
 	args = append(args, u.release, u.chart)
 	u.cmd = command(helmBin, args...)
 	u.cmd.Stdout(u.stdout)

internal/run/upgrade_test.go

@@ -2,11 +2,12 @@ package run
 
 import (
 	"fmt"
+	"strings"
+	"testing"
+
 	"github.com/golang/mock/gomock"
 	"github.com/pelotech/drone-helm3/internal/env"
 	"github.com/stretchr/testify/suite"
-	"strings"
-	"testing"
 )
 
 type UpgradeTestSuite struct {
@@ -33,23 +34,23 @@ func TestUpgradeTestSuite(t *testing.T) {
 }
 
 func (suite *UpgradeTestSuite) TestNewUpgrade() {
-	cfg := env.Config{
-		ChartVersion:  "seventeen",
-		DryRun:        true,
-		Wait:          true,
-		Values:        "steadfastness,forthrightness",
-		StringValues:  "tensile_strength,flexibility",
-		ValuesFiles:   []string{"/root/price_inventory.yml"},
-		ReuseValues:   true,
-		Timeout:       "go sit in the corner",
-		Chart:         "billboard_top_100",
-		Release:       "post_malone_circles",
-		Force:         true,
-		AtomicUpgrade: true,
-		CleanupOnFail: true,
-	}
+	cfg := env.NewTestConfig(suite.T())
+	cfg.ChartVersion = "seventeen"
+	cfg.DryRun = true
+	cfg.Wait = true
+	cfg.Values = "steadfastness,forthrightness"
+	cfg.StringValues = "tensile_strength,flexibility"
+	cfg.ValuesFiles = []string{"/root/price_inventory.yml"}
+	cfg.ReuseValues = true
+	cfg.Timeout = "go sit in the corner"
+	cfg.Chart = "billboard_top_100"
+	cfg.Release = "post_malone_circles"
+	cfg.Force = true
+	cfg.AtomicUpgrade = true
+	cfg.CleanupOnFail = true
+
+	up := NewUpgrade(*cfg)
 
-	up := NewUpgrade(cfg)
 	suite.Equal(cfg.Chart, up.chart)
 	suite.Equal(cfg.Release, up.release)
 	suite.Equal(cfg.ChartVersion, up.chartVersion)
@@ -70,15 +71,15 @@ func (suite *UpgradeTestSuite) TestNewUpgrade() {
 func (suite *UpgradeTestSuite) TestPrepareAndExecute() {
 	defer suite.ctrl.Finish()
 
-	cfg := env.Config{
-		Chart:   "at40",
-		Release: "jonas_brothers_only_human",
-	}
-	u := NewUpgrade(cfg)
+	cfg := env.NewTestConfig(suite.T())
+	cfg.Chart = "at40"
+	cfg.Release = "jonas_brothers_only_human"
+
+	u := NewUpgrade(*cfg)
 
 	command = func(path string, args ...string) cmd {
 		suite.Equal(helmBin, path)
-		suite.Equal([]string{"upgrade", "--install", "jonas_brothers_only_human", "at40"}, args)
+		suite.Equal([]string{"upgrade", "--install", "--history-max=10", "jonas_brothers_only_human", "at40"}, args)
 
 		return suite.mockCmd
 	}
@@ -99,16 +100,16 @@ func (suite *UpgradeTestSuite) TestPrepareAndExecute() {
 func (suite *UpgradeTestSuite) TestPrepareNamespaceFlag() {
 	defer suite.ctrl.Finish()
 
-	cfg := env.Config{
-		Namespace: "melt",
-		Chart:     "at40",
-		Release:   "shaed_trampoline",
-	}
-	u := NewUpgrade(cfg)
+	cfg := env.NewTestConfig(suite.T())
+	cfg.Namespace = "melt"
+	cfg.Chart = "at40"
+	cfg.Release = "shaed_trampoline"
+
+	u := NewUpgrade(*cfg)
 
 	command = func(path string, args ...string) cmd {
 		suite.Equal(helmBin, path)
-		suite.Equal([]string{"--namespace", "melt", "upgrade", "--install", "shaed_trampoline", "at40"}, args)
+		suite.Equal([]string{"--namespace", "melt", "upgrade", "--install", "--history-max=10", "shaed_trampoline", "at40"}, args)
 
 		return suite.mockCmd
 	}
@@ -123,22 +124,22 @@ func (suite *UpgradeTestSuite) TestPrepareNamespaceFlag() {
 func (suite *UpgradeTestSuite) TestPrepareWithUpgradeFlags() {
 	defer suite.ctrl.Finish()
 
-	cfg := env.Config{
-		Chart:         "hot_ac",
-		Release:       "maroon_5_memories",
-		ChartVersion:  "radio_edit",
-		DryRun:        true,
-		Wait:          true,
-		Values:        "age=35",
-		StringValues:  "height=5ft10in",
-		ValuesFiles:   []string{"/usr/local/stats", "/usr/local/grades"},
-		ReuseValues:   true,
-		Timeout:       "sit_in_the_corner",
-		Force:         true,
-		AtomicUpgrade: true,
-		CleanupOnFail: true,
-	}
-	u := NewUpgrade(cfg)
+	cfg := env.NewTestConfig(suite.T())
+	cfg.Chart = "hot_ac"
+	cfg.Release = "maroon_5_memories"
+	cfg.ChartVersion = "radio_edit"
+	cfg.DryRun = true
+	cfg.Wait = true
+	cfg.Values = "age=35"
+	cfg.StringValues = "height=5ft10in"
+	cfg.ValuesFiles = []string{"/usr/local/stats", "/usr/local/grades"}
+	cfg.ReuseValues = true
+	cfg.Timeout = "sit_in_the_corner"
+	cfg.Force = true
+	cfg.AtomicUpgrade = true
+	cfg.CleanupOnFail = true
+
+	u := NewUpgrade(*cfg)
 	// inject a ca cert filename so repoCerts won't create any files that we'd have to clean up
 	u.certs.caCertFilename = "local_ca.cert"
 
@@ -158,6 +159,7 @@ func (suite *UpgradeTestSuite) TestPrepareWithUpgradeFlags() {
 			"--values", "/usr/local/stats",
 			"--values", "/usr/local/grades",
 			"--ca-file", "local_ca.cert",
+			"--history-max=10",
 			"maroon_5_memories", "hot_ac"}, args)
 
 		return suite.mockCmd
@@ -191,14 +193,15 @@ func (suite *UpgradeTestSuite) TestRequiresChartAndRelease() {
 func (suite *UpgradeTestSuite) TestPrepareDebugFlag() {
 	stdout := strings.Builder{}
 	stderr := strings.Builder{}
-	cfg := env.Config{
-		Chart:   "at40",
-		Release: "lewis_capaldi_someone_you_loved",
-		Debug:   true,
-		Stdout:  &stdout,
-		Stderr:  &stderr,
-	}
-	u := NewUpgrade(cfg)
+
+	cfg := env.NewTestConfig(suite.T())
+	cfg.Chart = "at40"
+	cfg.Release = "lewis_capaldi_someone_you_loved"
+	cfg.Debug = true
+	cfg.Stdout = &stdout
+	cfg.Stderr = &stderr
+
+	u := NewUpgrade(*cfg)
 
 	command = func(path string, args ...string) cmd {
 		suite.mockCmd.EXPECT().
@@ -215,8 +218,10 @@ func (suite *UpgradeTestSuite) TestPrepareDebugFlag() {
 
 	u.Prepare()
 
-	want := fmt.Sprintf("Generated command: '%s --debug upgrade "+
-		"--install lewis_capaldi_someone_you_loved at40'\n", helmBin)
+	want := fmt.Sprintf(
+		"Generated command: '%s --debug upgrade --install --history-max=10 lewis_capaldi_someone_you_loved at40'\n",
+		helmBin,
+	)
 	suite.Equal(want, stderr.String())
 	suite.Equal("", stdout.String())
 }
@@ -224,16 +229,16 @@ func (suite *UpgradeTestSuite) TestPrepareDebugFlag() {
 func (suite *UpgradeTestSuite) TestPrepareSkipCrdsFlag() {
 	defer suite.ctrl.Finish()
 
-	cfg := env.Config{
-		Chart:    "at40",
-		Release:  "cabbages_smell_great",
-		SkipCrds: true,
-	}
-	u := NewUpgrade(cfg)
+	cfg := env.NewTestConfig(suite.T())
+	cfg.Chart = "at40"
+	cfg.Release = "cabbages_smell_great"
+	cfg.SkipCrds = true
+
+	u := NewUpgrade(*cfg)
 
 	command = func(path string, args ...string) cmd {
 		suite.Equal(helmBin, path)
-		suite.Equal([]string{"upgrade", "--install", "--skip-crds", "cabbages_smell_great", "at40"}, args)
+		suite.Equal([]string{"upgrade", "--install", "--skip-crds", "--history-max=10", "cabbages_smell_great", "at40"}, args)
 
 		return suite.mockCmd
 	}