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Merge pull request #145 from mdb/mdb/replace-provider
add replace-provider capability
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Original file line number | Diff line number | Diff line change |
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resource "null_resource" "foo" {} |
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{ | ||
"version": 4, | ||
"terraform_version": "0.12.31", | ||
"serial": 1, | ||
"lineage": "e80ec150-5474-9ca5-445f-bc55e224f303", | ||
"outputs": {}, | ||
"resources": [ | ||
{ | ||
"mode": "managed", | ||
"type": "null_resource", | ||
"name": "foo", | ||
"provider": "provider.null", | ||
"instances": [ | ||
{ | ||
"schema_version": 0, | ||
"attributes": { | ||
"id": "859754710453181749", | ||
"triggers": null | ||
} | ||
} | ||
] | ||
} | ||
] | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,18 @@ | ||
package tfexec | ||
|
||
import ( | ||
"context" | ||
) | ||
|
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// Providers prints out a tree of modules in the referenced configuration annotated with | ||
// their provider requirements. | ||
func (c *terraformCLI) Providers(ctx context.Context) (string, error) { | ||
args := []string{"providers"} | ||
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stdout, _, err := c.Run(ctx, args...) | ||
if err != nil { | ||
return "", err | ||
} | ||
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return stdout, nil | ||
} |
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Original file line number | Diff line number | Diff line change |
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package tfexec | ||
|
||
import ( | ||
"context" | ||
"fmt" | ||
"reflect" | ||
"testing" | ||
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"github.com/hashicorp/go-version" | ||
) | ||
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var providersStdout = ` | ||
Providers required by configuration: | ||
. | ||
└── provider[registry.terraform.io/hashicorp/null] | ||
Providers required by state: | ||
provider[registry.terraform.io/hashicorp/null] | ||
` | ||
|
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var legacyProvidersStdout = `. | ||
└── provider.null | ||
` | ||
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func TestTerraformCLIProviders(t *testing.T) { | ||
cases := []struct { | ||
desc string | ||
mockCommands []*mockCommand | ||
addresses []string | ||
want string | ||
ok bool | ||
}{ | ||
{ | ||
desc: "basic invocation", | ||
mockCommands: []*mockCommand{ | ||
{ | ||
stdout: providersStdout, | ||
exitCode: 0, | ||
}, | ||
}, | ||
want: providersStdout, | ||
ok: true, | ||
}, | ||
{ | ||
desc: "failed to run terraform providers", | ||
mockCommands: []*mockCommand{ | ||
{ | ||
exitCode: 1, | ||
}, | ||
}, | ||
want: "", | ||
ok: false, | ||
}, | ||
} | ||
|
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for _, tc := range cases { | ||
t.Run(tc.desc, func(t *testing.T) { | ||
tc.mockCommands[0].args = []string{"terraform", "providers"} | ||
e := NewMockExecutor(tc.mockCommands) | ||
terraformCLI := NewTerraformCLI(e) | ||
got, err := terraformCLI.Providers(context.Background()) | ||
if tc.ok && err != nil { | ||
t.Fatalf("unexpected err: %s", err) | ||
} | ||
if !tc.ok && err == nil { | ||
t.Fatal("expected to return an error, but no error") | ||
} | ||
if tc.ok && !reflect.DeepEqual(got, tc.want) { | ||
t.Errorf("got: %v, want: %v", got, tc.want) | ||
} | ||
}) | ||
} | ||
} | ||
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func TestAccTerraformCLIProviders(t *testing.T) { | ||
SkipUnlessAcceptanceTestEnabled(t) | ||
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source := ` | ||
resource "null_resource" "foo" {} | ||
resource "null_resource" "bar" {} | ||
` | ||
e := SetupTestAcc(t, source) | ||
terraformCLI := NewTerraformCLI(e) | ||
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err := terraformCLI.Init(context.Background(), "-input=false", "-no-color") | ||
if err != nil { | ||
t.Fatalf("failed to run terraform init: %s", err) | ||
} | ||
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err = terraformCLI.Apply(context.Background(), nil, "-input=false", "-no-color", "-auto-approve") | ||
if err != nil { | ||
t.Fatalf("failed to run terraform apply: %s", err) | ||
} | ||
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got, err := terraformCLI.Providers(context.Background()) | ||
if err != nil { | ||
t.Fatalf("failed to run terraform providers: %s", err) | ||
} | ||
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v, err := terraformCLI.Version(context.Background()) | ||
if err != nil { | ||
t.Fatalf("unexpected version error: %s", err) | ||
} | ||
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constraints, err := version.NewConstraint(fmt.Sprintf(">= %s", MinimumTerraformVersionForStateReplaceProvider)) | ||
if err != nil { | ||
t.Fatalf("unexpected version constraint error: %s", err) | ||
} | ||
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want := providersStdout | ||
if !constraints.Check(v) { | ||
want = legacyProvidersStdout | ||
} | ||
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if got != want { | ||
t.Errorf("got: %s, want: %s", got, want) | ||
} | ||
} |
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