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add context to UgpradeResourceState diags

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This path was not yet using diagnostics, and returned simple errors.
pull/28539/head
James Bardin 5 years ago
parent 89f986ded6
commit 0c8b4ce755
7 changed files with 50 additions and 43 deletions
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45
terraform/node_resource_abstract.go
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@ -347,10 +347,12 @@ func (n *NodeAbstractResource) writeResourceState(ctx EvalContext, addr addrs.Ab
// readResourceInstanceState reads the current object for a specific instance in
// the state.
func (n *NodeAbstractResource) readResourceInstanceState(ctx EvalContext, addr addrs.AbsResourceInstance) (*states.ResourceInstanceObject, error) {
func (n *NodeAbstractResource) readResourceInstanceState(ctx EvalContext, addr addrs.AbsResourceInstance) (*states.ResourceInstanceObject, tfdiags.Diagnostics) {
var diags tfdiags.Diagnostics
provider, providerSchema, err := getProvider(ctx, n.ResolvedProvider)
if err != nil {
return nil, err
diags = diags.Append(err)
return nil, diags
}
log.Printf("[TRACE] readResourceInstanceState: reading state for %s", addr)
@ -365,36 +367,41 @@ func (n *NodeAbstractResource) readResourceInstanceState(ctx EvalContext, addr a
schema, currentVersion := (providerSchema).SchemaForResourceAddr(addr.Resource.ContainingResource())
if schema == nil {
// Shouldn't happen since we should've failed long ago if no schema is present
return nil, fmt.Errorf("no schema available for %s while reading state; this is a bug in Terraform and should be reported", addr)
return nil, diags.Append(fmt.Errorf("no schema available for %s while reading state; this is a bug in Terraform and should be reported", addr))
}
var diags tfdiags.Diagnostics
src, diags = upgradeResourceState(addr, provider, src, schema, currentVersion)
src, upgradeDiags := upgradeResourceState(addr, provider, src, schema, currentVersion)
if n.Config != nil {
upgradeDiags = upgradeDiags.InConfigBody(n.Config.Config, addr.String())
}
diags = diags.Append(upgradeDiags)
if diags.HasErrors() {
// Note that we don't have any channel to return warnings here. We'll
// accept that for now since warnings during a schema upgrade would
// be pretty weird anyway, since this operation is supposed to seem
// invisible to the user.
return nil, diags.Err()
return nil, diags
}
obj, err := src.Decode(schema.ImpliedType())
if err != nil {
return nil, err
diags = diags.Append(err)
}
return obj, nil
return obj, diags
}
// readResourceInstanceStateDeposed reads the deposed object for a specific
// instance in the state.
func (n *NodeAbstractResource) readResourceInstanceStateDeposed(ctx EvalContext, addr addrs.AbsResourceInstance, key states.DeposedKey) (*states.ResourceInstanceObject, error) {
func (n *NodeAbstractResource) readResourceInstanceStateDeposed(ctx EvalContext, addr addrs.AbsResourceInstance, key states.DeposedKey) (*states.ResourceInstanceObject, tfdiags.Diagnostics) {
var diags tfdiags.Diagnostics
provider, providerSchema, err := getProvider(ctx, n.ResolvedProvider)
if err != nil {
return nil, err
diags = diags.Append(err)
return nil, diags
}
if key == states.NotDeposed {
return nil, fmt.Errorf("readResourceInstanceStateDeposed used with no instance key; this is a bug in Terraform and should be reported")
return nil, diags.Append(fmt.Errorf("readResourceInstanceStateDeposed used with no instance key; this is a bug in Terraform and should be reported"))
}
log.Printf("[TRACE] readResourceInstanceStateDeposed: reading state for %s deposed object %s", addr, key)
@ -403,31 +410,35 @@ func (n *NodeAbstractResource) readResourceInstanceStateDeposed(ctx EvalContext,
if src == nil {
// Presumably we only have deposed objects, then.
log.Printf("[TRACE] readResourceInstanceStateDeposed: no state present for %s deposed object %s", addr, key)
return nil, nil
return nil, diags
}
schema, currentVersion := (providerSchema).SchemaForResourceAddr(addr.Resource.ContainingResource())
if schema == nil {
// Shouldn't happen since we should've failed long ago if no schema is present
return nil, fmt.Errorf("no schema available for %s while reading state; this is a bug in Terraform and should be reported", addr)
return nil, diags.Append(fmt.Errorf("no schema available for %s while reading state; this is a bug in Terraform and should be reported", addr))
}
src, diags := upgradeResourceState(addr, provider, src, schema, currentVersion)
src, upgradeDiags := upgradeResourceState(addr, provider, src, schema, currentVersion)
if n.Config != nil {
upgradeDiags = upgradeDiags.InConfigBody(n.Config.Config, addr.String())
}
diags = diags.Append(upgradeDiags)
if diags.HasErrors() {
// Note that we don't have any channel to return warnings here. We'll
// accept that for now since warnings during a schema upgrade would
// be pretty weird anyway, since this operation is supposed to seem
// invisible to the user.
return nil, diags.Err()
return nil, diags
}
obj, err := src.Decode(schema.ImpliedType())
if err != nil {
return nil, err
diags = diags.Append(err)
}
return obj, nil
return obj, diags
}
// graphNodesAreResourceInstancesInDifferentInstancesOfSameModule is an

12
terraform/node_resource_abstract_test.go
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@ -160,9 +160,9 @@ func TestNodeAbstractResource_ReadResourceInstanceState(t *testing.T) {
ctx.ProviderSchemaSchema = mockProvider.ProviderSchema()
ctx.ProviderProvider = providers.Interface(mockProvider)
got, err := test.Node.readResourceInstanceState(ctx, test.Node.Addr.Resource.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance))
if err != nil {
t.Fatalf("[%s] Got err: %#v", k, err.Error())
got, readDiags := test.Node.readResourceInstanceState(ctx, test.Node.Addr.Resource.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance))
if readDiags.HasErrors() {
t.Fatalf("[%s] Got err: %#v", k, readDiags.Err())
}
expected := test.ExpectedInstanceId
@ -223,9 +223,9 @@ func TestNodeAbstractResource_ReadResourceInstanceStateDeposed(t *testing.T) {
key := states.DeposedKey("00000001") // shim from legacy state assigns 0th deposed index this key
got, err := test.Node.readResourceInstanceStateDeposed(ctx, test.Node.Addr.Resource.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance), key)
if err != nil {
t.Fatalf("[%s] Got err: %#v", k, err.Error())
got, readDiags := test.Node.readResourceInstanceStateDeposed(ctx, test.Node.Addr.Resource.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance), key)
if readDiags.HasErrors() {
t.Fatalf("[%s] Got err: %#v", k, readDiags.Err())
}
expected := test.ExpectedInstanceId

8
terraform/node_resource_apply_instance.go
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@ -217,8 +217,8 @@ func (n *NodeApplyableResourceInstance) managedResourceExecute(ctx EvalContext)
log.Printf("[TRACE] managedResourceExecute: prior object for %s now deposed with key %s", n.Addr, deposedKey)
}
state, err = n.readResourceInstanceState(ctx, n.ResourceInstanceAddr())
diags = diags.Append(err)
state, readDiags := n.readResourceInstanceState(ctx, n.ResourceInstanceAddr())
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}
@ -244,8 +244,8 @@ func (n *NodeApplyableResourceInstance) managedResourceExecute(ctx EvalContext)
return diags
}
state, err = n.readResourceInstanceState(ctx, n.ResourceInstanceAddr())
diags = diags.Append(err)
state, readDiags = n.readResourceInstanceState(ctx, n.ResourceInstanceAddr())
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}

4
terraform/node_resource_destroy.go
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@ -177,8 +177,8 @@ func (n *NodeDestroyResourceInstance) managedResourceExecute(ctx EvalContext) (d
return diags
}
state, err = n.readResourceInstanceState(ctx, addr)
diags = diags.Append(err)
state, readDiags := n.readResourceInstanceState(ctx, addr)
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}

7
terraform/node_resource_destroy_deposed.go
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@ -184,9 +184,10 @@ func (n *NodeDestroyDeposedResourceInstanceObject) Execute(ctx EvalContext, op w
// Always write the resource back to the state deposed. If it
// was successfully destroyed it will be pruned. If it was not, it will
// be caught on the next run.
err = n.writeResourceInstanceState(ctx, state)
if err != nil {
return diags.Append(err)
writeDiags := n.writeResourceInstanceState(ctx, state)
diags.Append(writeDiags)
if diags.HasErrors() {
return diags
}
diags = diags.Append(n.postApplyHook(ctx, state, diags.Err()))

10
terraform/node_resource_plan_instance.go
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@ -52,7 +52,6 @@ func (n *NodePlannableResourceInstance) dataResourceExecute(ctx EvalContext) (di
addr := n.ResourceInstanceAddr()
var change *plans.ResourceInstanceChange
var state *states.ResourceInstanceObject
_, providerSchema, err := getProvider(ctx, n.ResolvedProvider)
diags = diags.Append(err)
@ -60,8 +59,8 @@ func (n *NodePlannableResourceInstance) dataResourceExecute(ctx EvalContext) (di
return diags
}
state, err = n.readResourceInstanceState(ctx, addr)
diags = diags.Append(err)
state, readDiags := n.readResourceInstanceState(ctx, addr)
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}
@ -97,7 +96,6 @@ func (n *NodePlannableResourceInstance) managedResourceExecute(ctx EvalContext)
addr := n.ResourceInstanceAddr()
var change *plans.ResourceInstanceChange
var instanceRefreshState *states.ResourceInstanceObject
var instancePlanState *states.ResourceInstanceObject
_, providerSchema, err := getProvider(ctx, n.ResolvedProvider)
@ -111,8 +109,8 @@ func (n *NodePlannableResourceInstance) managedResourceExecute(ctx EvalContext)
return diags
}
instanceRefreshState, err = n.readResourceInstanceState(ctx, addr)
diags = diags.Append(err)
instanceRefreshState, readDiags := n.readResourceInstanceState(ctx, addr)
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}

7
terraform/node_resource_plan_orphan.go
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@ -6,7 +6,6 @@ import (
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/plans"
"github.com/hashicorp/terraform/states"
"github.com/hashicorp/terraform/tfdiags"
)
@ -77,11 +76,9 @@ func (n *NodePlannableResourceInstanceOrphan) managedResourceExecute(ctx EvalCon
// Declare a bunch of variables that are used for state during
// evaluation. These are written to by-address below.
var change *plans.ResourceInstanceChange
var state *states.ResourceInstanceObject
var err error
state, err = n.readResourceInstanceState(ctx, addr)
diags = diags.Append(err)
state, readDiags := n.readResourceInstanceState(ctx, addr)
diags = diags.Append(readDiags)
if diags.HasErrors() {
return diags
}

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