refactor(container)!: move logging and visualization options to DebugOption (#10302)
## Description <!-- Add a description of the changes that this PR introduces and the files that are the most critical to review. --> --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [x] added `!` to the type prefix if API or client breaking change - [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [ ] provided a link to the relevant issue or specification - [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) - [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [ ] added a changelog entry to `CHANGELOG.md` - [x] included comments for [documenting Go code](https://blog.golang.org/godoc) - [ ] updated the relevant documentation or specification - [x] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed `!` in the type prefix if API or client breaking change - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
This commit is contained in:
Aaron Craelius
GitHub
parent
d0f64dff2c
commit
02e3919539
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@ -1,173 +0,0 @@
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package container
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import (
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"bytes"
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"fmt"
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"path/filepath"
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"reflect"
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"github.com/pkg/errors"
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"github.com/goccy/go-graphviz"
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"github.com/goccy/go-graphviz/cgraph"
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)
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type config struct {
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// logging
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loggers []func(string)
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indentStr string
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// graphing
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graphviz *graphviz.Graphviz
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graph *cgraph.Graph
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visualizers []func(string)
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logVisualizer bool
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}
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func newConfig() (*config, error) {
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g := graphviz.New()
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graph, err := g.Graph()
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if err != nil {
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return nil, errors.Wrap(err, "error initializing graph")
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}
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return &config{
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graphviz: g,
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graph: graph,
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}, nil
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}
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func (c *config) indentLogger() {
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c.indentStr = c.indentStr + " "
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}
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func (c *config) dedentLogger() {
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if len(c.indentStr) > 0 {
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c.indentStr = c.indentStr[1:]
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}
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}
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func (c config) logf(format string, args ...interface{}) {
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s := fmt.Sprintf(c.indentStr+format, args...)
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for _, logger := range c.loggers {
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logger(s)
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}
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}
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func (c *config) generateGraph() {
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buf := &bytes.Buffer{}
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err := c.graphviz.Render(c.graph, graphviz.XDOT, buf)
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if err != nil {
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c.logf("Error rendering DOT graph: %+v", err)
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return
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}
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dot := buf.String()
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if c.logVisualizer {
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c.logf("DOT Graph: %s", dot)
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}
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for _, v := range c.visualizers {
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v(dot)
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}
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err = c.graph.Close()
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if err != nil {
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c.logf("Error closing graph: %+v", err)
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return
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}
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err = c.graphviz.Close()
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if err != nil {
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c.logf("Error closing graphviz: %+v", err)
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}
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}
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func (c *config) addFuncVisualizer(f func(string)) {
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c.visualizers = append(c.visualizers, func(dot string) {
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f(dot)
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})
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}
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func (c *config) enableLogVisualizer() {
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c.logVisualizer = true
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}
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func (c *config) addFileVisualizer(filename string, format string) {
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c.visualizers = append(c.visualizers, func(_ string) {
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err := c.graphviz.RenderFilename(c.graph, graphviz.Format(format), filename)
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if err != nil {
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c.logf("Error saving graphviz file %s with format %s: %+v", filename, format, err)
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} else {
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path, err := filepath.Abs(filename)
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if err == nil {
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c.logf("Saved graph of container to %s", path)
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}
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}
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})
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}
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func (c *config) locationGraphNode(location Location, scope Scope) (*cgraph.Node, error) {
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graph := c.scopeSubGraph(scope)
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node, found, err := c.findOrCreateGraphNode(graph, location.Name())
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if err != nil {
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return nil, err
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}
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if found {
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return node, nil
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}
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node.SetShape(cgraph.BoxShape)
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node.SetColor("lightgrey")
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return node, nil
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}
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func (c *config) typeGraphNode(typ reflect.Type) (*cgraph.Node, error) {
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node, found, err := c.findOrCreateGraphNode(c.graph, typ.String())
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if err != nil {
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return nil, err
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}
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if found {
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return node, nil
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}
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node.SetColor("lightgrey")
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return node, err
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}
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func (c *config) findOrCreateGraphNode(subGraph *cgraph.Graph, name string) (node *cgraph.Node, found bool, err error) {
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node, err = c.graph.Node(name)
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if err != nil {
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return nil, false, errors.Wrapf(err, "error finding graph node %s", name)
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}
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if node != nil {
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return node, true, nil
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}
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node, err = subGraph.CreateNode(name)
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if err != nil {
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return nil, false, errors.Wrapf(err, "error creating graph node %s", name)
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}
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return node, false, nil
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}
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func (c *config) scopeSubGraph(scope Scope) *cgraph.Graph {
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graph := c.graph
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if scope != nil {
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gname := fmt.Sprintf("cluster_%s", scope.Name())
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graph = c.graph.SubGraph(gname, 1)
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graph.SetLabel(fmt.Sprintf("Scope: %s", scope.Name()))
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}
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return graph
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}
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func (c *config) addGraphEdge(from *cgraph.Node, to *cgraph.Node) {
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_, err := c.graph.CreateEdge("", from, to)
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if err != nil {
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c.logf("error creating graph edge")
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}
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}
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@ -10,7 +10,7 @@ import (
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)
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type container struct {
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*config
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*debugConfig
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resolvers map[reflect.Type]resolver
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@ -26,9 +26,9 @@ type resolveFrame struct {
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typ reflect.Type
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}
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func newContainer(cfg *config) *container {
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func newContainer(cfg *debugConfig) *container {
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return &container{
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config: cfg,
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debugConfig: cfg,
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resolvers: map[reflect.Type]resolver{},
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scopes: map[string]Scope{},
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callerStack: nil,
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@ -516,17 +516,19 @@ func TestLogging(t *testing.T) {
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require.NoError(t, err)
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defer os.Remove(graphfile.Name())
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require.NoError(t, container.Run(
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require.NoError(t, container.RunDebug(
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func() {},
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container.Logger(func(s string) {
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logOut += s
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}),
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container.Visualizer(func(g string) {
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dotGraph = g
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}),
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container.LogVisualizer(),
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container.FileVisualizer(graphfile.Name(), "svg"),
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container.StdoutLogger(),
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container.DebugOptions(
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container.Logger(func(s string) {
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logOut += s
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}),
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container.Visualizer(func(g string) {
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dotGraph = g
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}),
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container.LogVisualizer(),
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container.FileVisualizer(graphfile.Name(), "svg"),
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container.StdoutLogger(),
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),
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))
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require.Contains(t, logOut, "digraph")
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@ -0,0 +1,259 @@
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package container
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import (
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"bytes"
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"fmt"
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"os"
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"path/filepath"
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"reflect"
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"github.com/pkg/errors"
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"github.com/goccy/go-graphviz"
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"github.com/goccy/go-graphviz/cgraph"
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)
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// DebugOption is a functional option for running a container that controls
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// debug logging and visualization output.
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type DebugOption interface {
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applyConfig(*debugConfig) error
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}
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// StdoutLogger is a debug option which routes logging output to stdout.
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func StdoutLogger() DebugOption {
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return Logger(func(s string) {
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_, _ = fmt.Fprintln(os.Stdout, s)
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})
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}
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// Visualizer creates an option which provides a visualizer function which
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// will receive a rendering of the container in the Graphiz DOT format
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// whenever the container finishes building or fails due to an error. The
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// graph is color-coded to aid debugging.
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func Visualizer(visualizer func(dotGraph string)) DebugOption {
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return debugOption(func(c *debugConfig) error {
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c.addFuncVisualizer(visualizer)
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return nil
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})
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}
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// LogVisualizer is a debug option which dumps a graphviz DOT rendering of
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// the container to the log.
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func LogVisualizer() DebugOption {
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return debugOption(func(c *debugConfig) error {
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c.enableLogVisualizer()
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return nil
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})
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}
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// FileVisualizer is a debug option which dumps a graphviz rendering of
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// the container to the specified file with the specified format. Currently
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// supported formats are: dot, svg, png and jpg.
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func FileVisualizer(filename, format string) DebugOption {
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return debugOption(func(c *debugConfig) error {
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c.addFileVisualizer(filename, format)
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return nil
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})
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}
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// Logger creates an option which provides a logger function which will
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// receive all log messages from the container.
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func Logger(logger func(string)) DebugOption {
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return debugOption(func(c *debugConfig) error {
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logger("Initializing logger")
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c.loggers = append(c.loggers, logger)
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return nil
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})
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}
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// Debug is a default debug option which sends log output to stdout, dumps
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// the container in the graphviz DOT format to stdout, and to the file
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// container_dump.svg.
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func Debug() DebugOption {
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return DebugOptions(
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StdoutLogger(),
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LogVisualizer(),
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FileVisualizer("container_dump.svg", "svg"),
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)
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}
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// DebugOptions creates a debug option which bundles together other debug options.
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func DebugOptions(options ...DebugOption) DebugOption {
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return debugOption(func(c *debugConfig) error {
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for _, opt := range options {
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err := opt.applyConfig(c)
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if err != nil {
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return err
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}
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}
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return nil
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})
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}
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type debugConfig struct {
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// logging
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loggers []func(string)
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indentStr string
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// graphing
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graphviz *graphviz.Graphviz
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graph *cgraph.Graph
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visualizers []func(string)
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logVisualizer bool
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}
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type debugOption func(*debugConfig) error
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func (c debugOption) applyConfig(ctr *debugConfig) error {
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return c(ctr)
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}
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var _ DebugOption = (*debugOption)(nil)
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func newDebugConfig() (*debugConfig, error) {
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g := graphviz.New()
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graph, err := g.Graph()
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if err != nil {
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return nil, errors.Wrap(err, "error initializing graph")
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}
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return &debugConfig{
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graphviz: g,
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graph: graph,
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}, nil
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}
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func (c *debugConfig) indentLogger() {
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c.indentStr = c.indentStr + " "
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}
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func (c *debugConfig) dedentLogger() {
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if len(c.indentStr) > 0 {
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c.indentStr = c.indentStr[1:]
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}
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}
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func (c debugConfig) logf(format string, args ...interface{}) {
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s := fmt.Sprintf(c.indentStr+format, args...)
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for _, logger := range c.loggers {
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logger(s)
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}
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}
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func (c *debugConfig) generateGraph() {
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buf := &bytes.Buffer{}
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err := c.graphviz.Render(c.graph, graphviz.XDOT, buf)
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if err != nil {
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c.logf("Error rendering DOT graph: %+v", err)
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return
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}
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dot := buf.String()
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if c.logVisualizer {
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c.logf("DOT Graph: %s", dot)
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}
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for _, v := range c.visualizers {
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v(dot)
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}
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err = c.graph.Close()
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if err != nil {
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c.logf("Error closing graph: %+v", err)
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return
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}
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err = c.graphviz.Close()
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if err != nil {
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c.logf("Error closing graphviz: %+v", err)
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}
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}
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func (c *debugConfig) addFuncVisualizer(f func(string)) {
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c.visualizers = append(c.visualizers, func(dot string) {
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f(dot)
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})
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}
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func (c *debugConfig) enableLogVisualizer() {
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c.logVisualizer = true
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}
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func (c *debugConfig) addFileVisualizer(filename string, format string) {
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c.visualizers = append(c.visualizers, func(_ string) {
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err := c.graphviz.RenderFilename(c.graph, graphviz.Format(format), filename)
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if err != nil {
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c.logf("Error saving graphviz file %s with format %s: %+v", filename, format, err)
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} else {
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path, err := filepath.Abs(filename)
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if err == nil {
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c.logf("Saved graph of container to %s", path)
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}
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}
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})
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}
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func (c *debugConfig) locationGraphNode(location Location, scope Scope) (*cgraph.Node, error) {
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graph := c.scopeSubGraph(scope)
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node, found, err := c.findOrCreateGraphNode(graph, location.Name())
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if err != nil {
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return nil, err
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}
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if found {
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return node, nil
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}
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node.SetShape(cgraph.BoxShape)
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node.SetColor("lightgrey")
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return node, nil
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}
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func (c *debugConfig) typeGraphNode(typ reflect.Type) (*cgraph.Node, error) {
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node, found, err := c.findOrCreateGraphNode(c.graph, typ.String())
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if err != nil {
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return nil, err
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}
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|
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if found {
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return node, nil
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}
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node.SetColor("lightgrey")
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return node, err
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}
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func (c *debugConfig) findOrCreateGraphNode(subGraph *cgraph.Graph, name string) (node *cgraph.Node, found bool, err error) {
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node, err = c.graph.Node(name)
|
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if err != nil {
|
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return nil, false, errors.Wrapf(err, "error finding graph node %s", name)
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}
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|
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if node != nil {
|
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return node, true, nil
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}
|
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|
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node, err = subGraph.CreateNode(name)
|
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if err != nil {
|
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return nil, false, errors.Wrapf(err, "error creating graph node %s", name)
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}
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|
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return node, false, nil
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}
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|
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func (c *debugConfig) scopeSubGraph(scope Scope) *cgraph.Graph {
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graph := c.graph
|
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if scope != nil {
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gname := fmt.Sprintf("cluster_%s", scope.Name())
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graph = c.graph.SubGraph(gname, 1)
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graph.SetLabel(fmt.Sprintf("Scope: %s", scope.Name()))
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}
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return graph
|
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}
|
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|
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func (c *debugConfig) addGraphEdge(from *cgraph.Node, to *cgraph.Node) {
|
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_, err := c.graph.CreateEdge("", from, to)
|
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if err != nil {
|
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c.logf("error creating graph edge")
|
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}
|
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}
|
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|
|
@ -1,8 +1,6 @@
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package container
|
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|
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import (
|
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"fmt"
|
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"os"
|
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"reflect"
|
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|
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"github.com/pkg/errors"
|
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|
|
@ -10,8 +8,7 @@ import (
|
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|
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// Option is a functional option for a container.
|
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type Option interface {
|
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applyConfig(*config) error
|
||||
applyContainer(*container) error
|
||||
apply(*container) error
|
||||
}
|
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|
||||
// Provide creates a container option which registers the provided dependency
|
||||
|
|
@ -64,118 +61,31 @@ func Supply(values ...interface{}) Option {
|
|||
})
|
||||
}
|
||||
|
||||
// Logger creates an option which provides a logger function which will
|
||||
// receive all log messages from the container.
|
||||
func Logger(logger func(string)) Option {
|
||||
return configOption(func(c *config) error {
|
||||
logger("Initializing logger")
|
||||
c.loggers = append(c.loggers, logger)
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
func StdoutLogger() Option {
|
||||
return Logger(func(s string) {
|
||||
_, _ = fmt.Fprintln(os.Stdout, s)
|
||||
})
|
||||
}
|
||||
|
||||
// Visualizer creates an option which provides a visualizer function which
|
||||
// will receive a rendering of the container in the Graphiz DOT format
|
||||
// whenever the container finishes building or fails due to an error. The
|
||||
// graph is color-coded to aid debugging.
|
||||
func Visualizer(visualizer func(dotGraph string)) Option {
|
||||
return configOption(func(c *config) error {
|
||||
c.addFuncVisualizer(visualizer)
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
func LogVisualizer() Option {
|
||||
return configOption(func(c *config) error {
|
||||
c.enableLogVisualizer()
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
func FileVisualizer(filename, format string) Option {
|
||||
return configOption(func(c *config) error {
|
||||
c.addFileVisualizer(filename, format)
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
func Debug() Option {
|
||||
return Options(
|
||||
StdoutLogger(),
|
||||
LogVisualizer(),
|
||||
FileVisualizer("container_dump.svg", "svg"),
|
||||
)
|
||||
}
|
||||
|
||||
// Error creates an option which causes the dependency injection container to
|
||||
// fail immediately.
|
||||
func Error(err error) Option {
|
||||
return configOption(func(*config) error {
|
||||
return containerOption(func(*container) error {
|
||||
return errors.WithStack(err)
|
||||
})
|
||||
}
|
||||
|
||||
// Options creates an option which bundles together other options.
|
||||
func Options(opts ...Option) Option {
|
||||
return option{
|
||||
configOption: func(cfg *config) error {
|
||||
for _, opt := range opts {
|
||||
err := opt.applyConfig(cfg)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
return containerOption(func(ctr *container) error {
|
||||
for _, opt := range opts {
|
||||
err := opt.apply(ctr)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
return nil
|
||||
},
|
||||
containerOption: func(ctr *container) error {
|
||||
for _, opt := range opts {
|
||||
err := opt.applyContainer(ctr)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
type configOption func(*config) error
|
||||
|
||||
func (c configOption) applyConfig(cfg *config) error {
|
||||
return c(cfg)
|
||||
}
|
||||
|
||||
func (c configOption) applyContainer(*container) error {
|
||||
return nil
|
||||
}
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
type containerOption func(*container) error
|
||||
|
||||
func (c containerOption) applyConfig(*config) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c containerOption) applyContainer(ctr *container) error {
|
||||
func (c containerOption) apply(ctr *container) error {
|
||||
return c(ctr)
|
||||
}
|
||||
|
||||
type option struct {
|
||||
configOption
|
||||
containerOption
|
||||
}
|
||||
|
||||
func (o option) applyConfig(c *config) error {
|
||||
return o.configOption(c)
|
||||
}
|
||||
|
||||
func (o option) applyContainer(c *container) error {
|
||||
return o.containerOption(c)
|
||||
}
|
||||
|
||||
var _, _, _ Option = (*configOption)(nil), (*containerOption)(nil), option{}
|
||||
var _ Option = (*containerOption)(nil)
|
||||
|
|
|
|||
|
|
@ -8,24 +8,32 @@ package container
|
|||
// Ex:
|
||||
// Run(func (x int) error { println(x) }, Provide(func() int { return 1 }))
|
||||
func Run(invoker interface{}, opts ...Option) error {
|
||||
return RunDebug(invoker, nil, opts...)
|
||||
}
|
||||
|
||||
// RunDebug is a version of Run which takes an optional DebugOption for
|
||||
// logging and visualization.
|
||||
func RunDebug(invoker interface{}, debugOpt DebugOption, opts ...Option) error {
|
||||
opt := Options(opts...)
|
||||
|
||||
cfg, err := newConfig()
|
||||
cfg, err := newDebugConfig()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
defer cfg.generateGraph() // always generate graph on exit
|
||||
|
||||
err = opt.applyConfig(cfg)
|
||||
if err != nil {
|
||||
return err
|
||||
if debugOpt != nil {
|
||||
err = debugOpt.applyConfig(cfg)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
cfg.logf("Registering providers")
|
||||
cfg.indentLogger()
|
||||
ctr := newContainer(cfg)
|
||||
err = opt.applyContainer(ctr)
|
||||
err = opt.apply(ctr)
|
||||
if err != nil {
|
||||
cfg.logf("Failed registering providers because of: %+v", err)
|
||||
return err
|
||||
|
|
|
|||
Loading…
Reference in New Issue