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558 lines
15 KiB
Go
Generated
558 lines
15 KiB
Go
Generated
package envoy
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// This file is auto-generated.
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//
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// Changes to this file may cause incorrect behavior and will be lost if
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// the code is regenerated.
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//
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import (
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"context"
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"fmt"
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"strconv"
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"github.com/cortezaproject/corteza/server/automation/types"
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"github.com/cortezaproject/corteza/server/pkg/envoyx"
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"github.com/cortezaproject/corteza/server/pkg/expr"
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"github.com/cortezaproject/corteza/server/pkg/id"
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"github.com/cortezaproject/corteza/server/store"
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"github.com/pkg/errors"
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)
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type (
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// StoreEncoder is responsible for encoding Corteza resources into the
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// database via the Storer or the DAL interface
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//
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// @todo consider having a different encoder for the DAL resources
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StoreEncoder struct{}
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)
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// Prepare performs some initial processing on the resource before it can be encoded
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//
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// Preparation runs validation, default value initialization, matching with
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// already existing instances, ...
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//
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// The prepare function receives a set of nodes grouped by the resource type.
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// This enables some batching optimization and simplifications when it comes to
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// matching with existing resources.
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//
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// Prepare does not receive any placeholder nodes which are used solely
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// for dependency resolution.
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func (e StoreEncoder) Prepare(ctx context.Context, p envoyx.EncodeParams, rt string, nn envoyx.NodeSet) (err error) {
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s, err := e.grabStorer(p)
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if err != nil {
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return
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}
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switch rt {
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case types.WorkflowResourceType:
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return e.prepareWorkflow(ctx, p, s, nn)
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case types.TriggerResourceType:
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return e.prepareTrigger(ctx, p, s, nn)
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default:
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return e.prepare(ctx, p, s, rt, nn)
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}
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return
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}
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// Encode encodes the given Corteza resources into the primary store
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//
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// Encoding should not do any additional processing apart from matching with
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// dependencies and runtime validation
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//
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// The Encode function is called for every resource type where the resource
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// appears at the root of the dependency tree.
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// All of the root-level resources for that resource type are passed into the function.
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// The encoding function must traverse the branches to encode all of the dependencies.
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//
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// This flow is used to simplify the flow of how resources are encoded into YAML
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// (and other documents) as well as to simplify batching.
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//
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// Encode does not receive any placeholder nodes which are used solely
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// for dependency resolution.
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func (e StoreEncoder) Encode(ctx context.Context, p envoyx.EncodeParams, rt string, nodes envoyx.NodeSet, tree envoyx.Traverser) (err error) {
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s, err := e.grabStorer(p)
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if err != nil {
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return
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}
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switch rt {
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case types.WorkflowResourceType:
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return e.encodeWorkflows(ctx, p, s, nodes, tree)
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case types.TriggerResourceType:
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return e.encodeTriggers(ctx, p, s, nodes, tree)
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default:
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return e.encode(ctx, p, s, rt, nodes, tree)
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}
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}
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// // // // // // // // // // // // // // // // // // // // // // // // //
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// Functions for resource workflow
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// // // // // // // // // // // // // // // // // // // // // // // // //
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// prepareWorkflow prepares the resources of the given type for encoding
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func (e StoreEncoder) prepareWorkflow(ctx context.Context, p envoyx.EncodeParams, s store.Storer, nn envoyx.NodeSet) (err error) {
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// Grab an index of already existing resources of this type
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// @note since these resources should be fairly low-volume and existing for
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// a short time (and because we batch by resource type); fetching them all
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// into memory shouldn't hurt too much.
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// @todo do some benchmarks and potentially implement some smarter check such as
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// a bloom filter or something similar.
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// Get node scopes
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scopedNodes, err := e.getScopeNodes(ctx, s, nn)
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if err != nil {
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err = errors.Wrap(err, "failed to get scope nodes")
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return
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}
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// Initializing the index here (and using a hashmap) so it's not escaped to the heap
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existing := make(map[int]types.Workflow, len(nn))
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err = e.matchupWorkflows(ctx, s, existing, scopedNodes, nn)
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if err != nil {
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err = errors.Wrap(err, "failed to matchup existing Workflows")
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return
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}
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for i, n := range nn {
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if n.Resource == nil {
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panic("unexpected state: cannot call prepareWorkflow with nodes without a defined Resource")
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}
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res, ok := n.Resource.(*types.Workflow)
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if !ok {
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panic("unexpected resource type: node expecting type of workflow")
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}
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existing, hasExisting := existing[i]
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// Run expressions on the nodes
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err = e.runEvals(ctx, hasExisting, n)
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if err != nil {
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return
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}
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if hasExisting {
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// On existing, we don't need to re-do identifiers and references; simply
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// changing up the internal resource is enough.
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//
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// In the future, we can pass down the tree and re-do the deps like that
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switch n.Config.MergeAlg {
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case envoyx.OnConflictPanic:
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err = errors.Errorf("resource %v already exists", n.Identifiers.Slice)
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return
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case envoyx.OnConflictReplace:
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// Replace; simple ID change should do the trick
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res.ID = existing.ID
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case envoyx.OnConflictSkip:
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// Replace the node's resource with the fetched one
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res = &existing
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// @todo merging
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}
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} else {
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// @todo actually a bottleneck. As per sonyflake docs, it can at most
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// generate up to 2**8 (256) IDs per 10ms in a single thread.
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// How can we improve this?
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res.ID = id.Next()
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}
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// We can skip validation/defaults when the resource is overwritten by
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// the one already stored (the panic one errors out anyway) since it
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// should already be ok.
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if !hasExisting || n.Config.MergeAlg != envoyx.OnConflictSkip {
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err = e.setWorkflowDefaults(res)
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if err != nil {
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return err
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}
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err = e.validateWorkflow(res)
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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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n.Resource = res
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}
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return
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}
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// encodeWorkflows encodes a set of resource into the database
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func (e StoreEncoder) encodeWorkflows(ctx context.Context, p envoyx.EncodeParams, s store.Storer, nn envoyx.NodeSet, tree envoyx.Traverser) (err error) {
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for _, n := range nn {
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err = e.encodeWorkflow(ctx, p, s, n, tree)
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if err != nil {
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return
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}
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}
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return
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}
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// encodeWorkflow encodes the resource into the database
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func (e StoreEncoder) encodeWorkflow(ctx context.Context, p envoyx.EncodeParams, s store.Storer, n *envoyx.Node, tree envoyx.Traverser) (err error) {
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// Grab dependency references
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var auxID uint64
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err = func() (err error) {
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for fieldLabel, ref := range n.References {
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auxID = safeParentID(tree, n, ref)
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if auxID == 0 {
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continue
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}
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err = n.Resource.SetValue(fieldLabel, 0, auxID)
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if err != nil {
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return
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}
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}
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return
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}()
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if err != nil {
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err = errors.Wrap(err, fmt.Sprintf("failed to set dependency references for %s %v", n.ResourceType, n.Identifiers.Slice))
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return
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}
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// Flush to the DB
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if !n.Evaluated.Skip {
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err = store.UpsertAutomationWorkflow(ctx, s, n.Resource.(*types.Workflow))
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if err != nil {
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err = errors.Wrap(err, "failed to upsert Workflow")
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return
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}
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}
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// Handle resources nested under it
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//
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// @todo how can we remove the OmitPlaceholderNodes call the same way we did for
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// the root function calls?
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err = func() (err error) {
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for rt, nn := range envoyx.NodesByResourceType(tree.Children(n)...) {
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nn = envoyx.OmitPlaceholderNodes(nn...)
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switch rt {
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}
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}
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return
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}()
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if err != nil {
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err = errors.Wrap(err, "failed to encode nested resources")
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return
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}
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return
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}
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// matchupWorkflows returns an index with indicates what resources already exist
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func (e StoreEncoder) matchupWorkflows(ctx context.Context, s store.Storer, uu map[int]types.Workflow, scopes envoyx.NodeSet, nn envoyx.NodeSet) (err error) {
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// @todo might need to do it smarter then this.
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// Most resources won't really be that vast so this should be acceptable for now.
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aa, _, err := store.SearchAutomationWorkflows(ctx, s, types.WorkflowFilter{})
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if err != nil {
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return
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}
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idMap := make(map[uint64]*types.Workflow, len(aa))
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strMap := make(map[string]*types.Workflow, len(aa))
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for _, a := range aa {
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strMap[a.Handle] = a
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idMap[a.ID] = a
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}
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var aux *types.Workflow
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var ok bool
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for i, n := range nn {
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for _, idf := range n.Identifiers.Slice {
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if id, err := strconv.ParseUint(idf, 10, 64); err == nil {
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aux, ok = idMap[id]
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if ok {
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uu[i] = *aux
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// When any identifier matches we can end it
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break
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}
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}
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aux, ok = strMap[idf]
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if ok {
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uu[i] = *aux
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// When any identifier matches we can end it
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break
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}
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}
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}
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return
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}
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// // // // // // // // // // // // // // // // // // // // // // // // //
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// Functions for resource trigger
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// // // // // // // // // // // // // // // // // // // // // // // // //
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// prepareTrigger prepares the resources of the given type for encoding
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func (e StoreEncoder) prepareTrigger(ctx context.Context, p envoyx.EncodeParams, s store.Storer, nn envoyx.NodeSet) (err error) {
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// Grab an index of already existing resources of this type
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// @note since these resources should be fairly low-volume and existing for
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// a short time (and because we batch by resource type); fetching them all
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// into memory shouldn't hurt too much.
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// @todo do some benchmarks and potentially implement some smarter check such as
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// a bloom filter or something similar.
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// Get node scopes
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scopedNodes, err := e.getScopeNodes(ctx, s, nn)
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if err != nil {
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err = errors.Wrap(err, "failed to get scope nodes")
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return
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}
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// Initializing the index here (and using a hashmap) so it's not escaped to the heap
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existing := make(map[int]types.Trigger, len(nn))
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err = e.matchupTriggers(ctx, s, existing, scopedNodes, nn)
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if err != nil {
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err = errors.Wrap(err, "failed to matchup existing Triggers")
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return
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}
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for i, n := range nn {
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if n.Resource == nil {
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panic("unexpected state: cannot call prepareTrigger with nodes without a defined Resource")
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}
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res, ok := n.Resource.(*types.Trigger)
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if !ok {
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panic("unexpected resource type: node expecting type of trigger")
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}
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existing, hasExisting := existing[i]
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// Run expressions on the nodes
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err = e.runEvals(ctx, hasExisting, n)
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if err != nil {
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return
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}
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if hasExisting {
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// On existing, we don't need to re-do identifiers and references; simply
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// changing up the internal resource is enough.
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//
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// In the future, we can pass down the tree and re-do the deps like that
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switch n.Config.MergeAlg {
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case envoyx.OnConflictPanic:
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err = errors.Errorf("resource %v already exists", n.Identifiers.Slice)
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return
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case envoyx.OnConflictReplace:
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// Replace; simple ID change should do the trick
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res.ID = existing.ID
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case envoyx.OnConflictSkip:
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// Replace the node's resource with the fetched one
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res = &existing
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|
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// @todo merging
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}
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} else {
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// @todo actually a bottleneck. As per sonyflake docs, it can at most
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// generate up to 2**8 (256) IDs per 10ms in a single thread.
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// How can we improve this?
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res.ID = id.Next()
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}
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|
|
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// We can skip validation/defaults when the resource is overwritten by
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// the one already stored (the panic one errors out anyway) since it
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// should already be ok.
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if !hasExisting || n.Config.MergeAlg != envoyx.OnConflictSkip {
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err = e.setTriggerDefaults(res)
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if err != nil {
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return err
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}
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err = e.validateTrigger(res)
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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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n.Resource = res
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}
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return
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}
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// encodeTriggers encodes a set of resource into the database
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func (e StoreEncoder) encodeTriggers(ctx context.Context, p envoyx.EncodeParams, s store.Storer, nn envoyx.NodeSet, tree envoyx.Traverser) (err error) {
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for _, n := range nn {
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err = e.encodeTrigger(ctx, p, s, n, tree)
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if err != nil {
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return
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}
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}
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return
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}
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// encodeTrigger encodes the resource into the database
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func (e StoreEncoder) encodeTrigger(ctx context.Context, p envoyx.EncodeParams, s store.Storer, n *envoyx.Node, tree envoyx.Traverser) (err error) {
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// Grab dependency references
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var auxID uint64
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err = func() (err error) {
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for fieldLabel, ref := range n.References {
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auxID = safeParentID(tree, n, ref)
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if auxID == 0 {
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continue
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}
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err = n.Resource.SetValue(fieldLabel, 0, auxID)
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if err != nil {
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return
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}
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}
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return
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}()
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if err != nil {
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err = errors.Wrap(err, fmt.Sprintf("failed to set dependency references for %s %v", n.ResourceType, n.Identifiers.Slice))
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return
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}
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// Flush to the DB
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if !n.Evaluated.Skip {
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err = store.UpsertAutomationTrigger(ctx, s, n.Resource.(*types.Trigger))
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if err != nil {
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err = errors.Wrap(err, "failed to upsert Trigger")
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return
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}
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}
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|
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// Handle resources nested under it
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//
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|
// @todo how can we remove the OmitPlaceholderNodes call the same way we did for
|
|
// the root function calls?
|
|
|
|
err = func() (err error) {
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for rt, nn := range envoyx.NodesByResourceType(tree.Children(n)...) {
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nn = envoyx.OmitPlaceholderNodes(nn...)
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switch rt {
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}
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}
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|
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return
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}()
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if err != nil {
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err = errors.Wrap(err, "failed to encode nested resources")
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return
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}
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|
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return
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}
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// matchupTriggers returns an index with indicates what resources already exist
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func (e StoreEncoder) matchupTriggers(ctx context.Context, s store.Storer, uu map[int]types.Trigger, scopes envoyx.NodeSet, nn envoyx.NodeSet) (err error) {
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|
// @todo might need to do it smarter then this.
|
|
// Most resources won't really be that vast so this should be acceptable for now.
|
|
aa, _, err := store.SearchAutomationTriggers(ctx, s, types.TriggerFilter{})
|
|
if err != nil {
|
|
return
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|
}
|
|
|
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idMap := make(map[uint64]*types.Trigger, len(aa))
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|
strMap := make(map[string]*types.Trigger, len(aa))
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|
|
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for _, a := range aa {
|
|
idMap[a.ID] = a
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|
|
|
}
|
|
|
|
var aux *types.Trigger
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|
var ok bool
|
|
for i, n := range nn {
|
|
|
|
for _, idf := range n.Identifiers.Slice {
|
|
if id, err := strconv.ParseUint(idf, 10, 64); err == nil {
|
|
aux, ok = idMap[id]
|
|
if ok {
|
|
uu[i] = *aux
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|
// When any identifier matches we can end it
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|
break
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|
}
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|
}
|
|
|
|
aux, ok = strMap[idf]
|
|
if ok {
|
|
uu[i] = *aux
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|
// When any identifier matches we can end it
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|
break
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|
}
|
|
}
|
|
}
|
|
|
|
return
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|
}
|
|
|
|
// // // // // // // // // // // // // // // // // // // // // // // // //
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|
// Utility functions
|
|
// // // // // // // // // // // // // // // // // // // // // // // // //
|
|
|
|
func (e *StoreEncoder) grabStorer(p envoyx.EncodeParams) (s store.Storer, err error) {
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|
auxs, ok := p.Params[paramsKeyStorer]
|
|
if !ok {
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err = errors.Errorf("store encoder expects a store conforming to store.Storer interface")
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return
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}
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|
|
|
s, ok = auxs.(store.Storer)
|
|
if !ok {
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|
err = errors.Errorf("store encoder expects a store conforming to store.Storer interface")
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return
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (e *StoreEncoder) runEvals(ctx context.Context, existing bool, n *envoyx.Node) (err error) {
|
|
// Skip if
|
|
if n.Config.SkipIfEval == nil {
|
|
return
|
|
}
|
|
|
|
aux, err := expr.EmptyVars().Cast(map[string]any{
|
|
"missing": !existing,
|
|
})
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
n.Evaluated.Skip, err = n.Config.SkipIfEval.Test(ctx, aux.(*expr.Vars))
|
|
return
|
|
}
|
|
|
|
func (e StoreEncoder) getScopeNodes(ctx context.Context, s store.Storer, nn envoyx.NodeSet) (scopes envoyx.NodeSet, err error) {
|
|
// Get all requested scopes
|
|
scopes = make(envoyx.NodeSet, len(nn))
|
|
|
|
// @note skipping scope logic since it's currently only supported within
|
|
// Compose resources.
|
|
|
|
return
|
|
}
|
|
|
|
func safeParentID(tt envoyx.Traverser, n *envoyx.Node, ref envoyx.Ref) (out uint64) {
|
|
rn := tt.ParentForRef(n, ref)
|
|
if rn == nil {
|
|
return
|
|
}
|
|
|
|
return rn.Resource.GetID()
|
|
}
|