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resource/aws_instance: Ignore empty user_data SHA1 sum #4991

Merged
merged 1 commit into from Jun 27, 2018
Merged

resource/aws_instance: Ignore empty user_data SHA1 sum #4991

merged 1 commit into from Jun 27, 2018

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bflad
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@bflad bflad commented Jun 26, 2018 •
edited

Fixes #4954

Changes proposed in this pull request:

  • Allow aws_instance resource to ignore when EC2 API returns empty string user_data

Output from acceptance testing: (test failure unrelated)

Tests failed: 1, passed: 66
=== RUN   TestAccAWSInstance_importBasic
--- FAIL: TestAccAWSInstance_importBasic (70.24s)
    testing.go:518: Step 0 error: Error applying: 1 error(s) occurred:
        
        * aws_instance.foo: 1 error(s) occurred:
        
        * aws_instance.foo: Error launching source instance: timeout while waiting for state to become 'success' (timeout: 30s)
=== RUN   TestAccAWSInstanceDataSource_gp2IopsDevice
--- PASS: TestAccAWSInstanceDataSource_gp2IopsDevice (71.87s)
=== RUN   TestAccAWSInstanceDataSource_blockDevices
--- PASS: TestAccAWSInstanceDataSource_blockDevices (87.80s)
=== RUN   TestAccAWSInstanceDataSource_privateIP
--- PASS: TestAccAWSInstanceDataSource_privateIP (88.87s)
=== RUN   TestAccAWSInstanceDataSource_rootInstanceStore
--- PASS: TestAccAWSInstanceDataSource_rootInstanceStore (92.65s)
=== RUN   TestAccAWSInstanceDataSource_creditSpecification
--- PASS: TestAccAWSInstanceDataSource_creditSpecification (93.05s)
=== RUN   TestAccAWSInstanceDataSource_PlacementGroup
--- PASS: TestAccAWSInstanceDataSource_PlacementGroup (95.81s)
=== RUN   TestAccAWSInstancesDataSource_tags
--- PASS: TestAccAWSInstancesDataSource_tags (96.10s)
=== RUN   TestAccAWSInstance_importInDefaultVpcBySgName
--- PASS: TestAccAWSInstance_importInDefaultVpcBySgName (97.89s)
=== RUN   TestAccAWSInstance_importInDefaultVpcBySgId
--- PASS: TestAccAWSInstance_importInDefaultVpcBySgId (100.44s)
=== RUN   TestAccAWSInstanceDataSource_VPC
--- PASS: TestAccAWSInstanceDataSource_VPC (110.62s)
=== RUN   TestAccAWSInstanceDataSource_SecurityGroups
--- PASS: TestAccAWSInstanceDataSource_SecurityGroups (122.41s)
=== RUN   TestAccAWSInstanceDataSource_tags
--- PASS: TestAccAWSInstanceDataSource_tags (126.42s)
=== RUN   TestAccAWSInstancesDataSource_basic
--- PASS: TestAccAWSInstancesDataSource_basic (127.29s)
=== RUN   TestAccAWSInstance_ipv6AddressCountAndSingleAddressCausesError
--- PASS: TestAccAWSInstance_ipv6AddressCountAndSingleAddressCausesError (6.67s)
=== RUN   TestAccAWSInstanceDataSource_VPCSecurityGroups
--- PASS: TestAccAWSInstanceDataSource_VPCSecurityGroups (137.95s)
=== RUN   TestAccAWSInstanceDataSource_basic
--- PASS: TestAccAWSInstanceDataSource_basic (142.55s)
=== RUN   TestAccAWSInstance_noAMIEphemeralDevices
--- PASS: TestAccAWSInstance_noAMIEphemeralDevices (48.00s)
=== RUN   TestAccAWSInstanceDataSource_AzUserData
--- PASS: TestAccAWSInstanceDataSource_AzUserData (145.72s)
=== RUN   TestAccAWSInstanceDataSource_getPasswordData_trueToFalse
--- PASS: TestAccAWSInstanceDataSource_getPasswordData_trueToFalse (162.13s)
=== RUN   TestAccAWSInstance_rootInstanceStore
--- PASS: TestAccAWSInstance_rootInstanceStore (66.63s)
=== RUN   TestAccAWSInstance_GP2WithIopsValue
--- PASS: TestAccAWSInstance_GP2WithIopsValue (72.54s)
=== RUN   TestAccAWSInstance_placementGroup
--- PASS: TestAccAWSInstance_placementGroup (64.75s)
=== RUN   TestAccAWSInstance_ipv6_supportAddressCount
--- PASS: TestAccAWSInstance_ipv6_supportAddressCount (65.22s)
=== RUN   TestAccAWSInstanceDataSource_keyPair
--- PASS: TestAccAWSInstanceDataSource_keyPair (193.88s)
=== RUN   TestAccAWSInstance_ipv6_supportAddressCountWithIpv4
--- PASS: TestAccAWSInstance_ipv6_supportAddressCountWithIpv4 (60.57s)
=== RUN   TestAccAWSInstance_vpc
--- PASS: TestAccAWSInstance_vpc (90.25s)
=== RUN   TestAccAWSInstanceDataSource_getPasswordData_falseToTrue
--- PASS: TestAccAWSInstanceDataSource_getPasswordData_falseToTrue (207.54s)
=== RUN   TestAccAWSInstance_sourceDestCheck
--- PASS: TestAccAWSInstance_sourceDestCheck (136.30s)
=== RUN   TestAccAWSInstance_volumeTags
--- PASS: TestAccAWSInstance_volumeTags (85.70s)
=== RUN   TestAccAWSInstance_associatePublicIPAndPrivateIP
--- PASS: TestAccAWSInstance_associatePublicIPAndPrivateIP (53.54s)
=== RUN   TestAccAWSInstance_privateIP
--- PASS: TestAccAWSInstance_privateIP (64.20s)
=== RUN   TestAccAWSInstance_GP2IopsDevice
--- PASS: TestAccAWSInstance_GP2IopsDevice (172.15s)
=== RUN   TestAccAWSInstance_importInEc2Classic
--- PASS: TestAccAWSInstance_importInEc2Classic (200.79s)
=== RUN   TestAccAWSInstance_blockDevices
--- PASS: TestAccAWSInstance_blockDevices (178.43s)
=== RUN   TestAccAWSInstance_volumeTagsComputed
--- PASS: TestAccAWSInstance_volumeTagsComputed (110.58s)
=== RUN   TestAccAWSInstance_tags
--- PASS: TestAccAWSInstance_tags (113.70s)
=== RUN   TestAccAWSInstance_basic
--- PASS: TestAccAWSInstance_basic (224.13s)
=== RUN   TestAccAWSInstance_disableApiTermination
--- PASS: TestAccAWSInstance_disableApiTermination (197.07s)
=== RUN   TestAccAWSInstance_userDataBase64
--- PASS: TestAccAWSInstance_userDataBase64 (209.82s)
=== RUN   TestAccAWSInstance_multipleRegions
--- PASS: TestAccAWSInstance_multipleRegions (167.43s)
=== RUN   TestAccAWSInstance_primaryNetworkInterface
--- PASS: TestAccAWSInstance_primaryNetworkInterface (64.97s)
=== RUN   TestAccAWSInstance_primaryNetworkInterfaceSourceDestCheck
--- PASS: TestAccAWSInstance_primaryNetworkInterfaceSourceDestCheck (57.06s)
=== RUN   TestAccAWSInstance_instanceProfileChange
--- PASS: TestAccAWSInstance_instanceProfileChange (136.47s)
=== RUN   TestAccAWSInstance_associatePublic_defaultPrivate
--- PASS: TestAccAWSInstance_associatePublic_defaultPrivate (54.18s)
=== RUN   TestAccAWSInstance_forceNewAndTagsDrift
--- PASS: TestAccAWSInstance_forceNewAndTagsDrift (95.23s)
=== RUN   TestAccAWSInstance_associatePublic_explicitPublic
--- PASS: TestAccAWSInstance_associatePublic_explicitPublic (54.09s)
=== RUN   TestAccAWSInstance_associatePublic_defaultPublic
--- PASS: TestAccAWSInstance_associatePublic_defaultPublic (56.13s)
=== RUN   TestAccAWSInstance_NetworkInstanceVPCSecurityGroupIDs
--- PASS: TestAccAWSInstance_NetworkInstanceVPCSecurityGroupIDs (192.86s)
=== RUN   TestAccAWSInstance_addSecondaryInterface
--- PASS: TestAccAWSInstance_addSecondaryInterface (77.88s)
=== RUN   TestAccAWSInstance_NetworkInstanceSecurityGroups
--- PASS: TestAccAWSInstance_NetworkInstanceSecurityGroups (203.74s)
=== RUN   TestAccAWSInstance_associatePublic_explicitPrivate
--- PASS: TestAccAWSInstance_associatePublic_explicitPrivate (56.08s)
=== RUN   TestAccAWSInstance_NetworkInstanceRemovingAllSecurityGroups
--- PASS: TestAccAWSInstance_NetworkInstanceRemovingAllSecurityGroups (208.38s)
=== RUN   TestAccAWSInstance_associatePublic_overridePublic
--- PASS: TestAccAWSInstance_associatePublic_overridePublic (57.79s)
=== RUN   TestAccAWSInstance_associatePublic_overridePrivate
--- PASS: TestAccAWSInstance_associatePublic_overridePrivate (58.13s)
=== RUN   TestAccAWSInstance_creditSpecification_standardCpuCredits
--- PASS: TestAccAWSInstance_creditSpecification_standardCpuCredits (54.46s)
=== RUN   TestAccAWSInstance_creditSpecification_unlimitedCpuCredits
--- PASS: TestAccAWSInstance_creditSpecification_unlimitedCpuCredits (54.35s)
=== RUN   TestAccAWSInstance_creditSpecification_unspecifiedDefaultsToStandard
--- PASS: TestAccAWSInstance_creditSpecification_unspecifiedDefaultsToStandard (72.47s)
=== RUN   TestAccAWSInstance_rootBlockDeviceMismatch
--- PASS: TestAccAWSInstance_rootBlockDeviceMismatch (181.30s)
=== RUN   TestAccAWSInstance_keyPairCheck
--- PASS: TestAccAWSInstance_keyPairCheck (195.23s)
=== RUN   TestAccAWSInstance_withIamInstanceProfile
--- PASS: TestAccAWSInstance_withIamInstanceProfile (232.55s)
=== RUN   TestAccAWSInstance_getPasswordData_falseToTrue
--- PASS: TestAccAWSInstance_getPasswordData_falseToTrue (136.49s)
=== RUN   TestAccAWSInstance_getPasswordData_trueToFalse
--- PASS: TestAccAWSInstance_getPasswordData_trueToFalse (155.00s)
=== RUN   TestAccAWSInstance_addSecurityGroupNetworkInterface
--- PASS: TestAccAWSInstance_addSecurityGroupNetworkInterface (222.20s)
=== RUN   TestAccAWSInstance_creditSpecification_updateCpuCredits
--- PASS: TestAccAWSInstance_creditSpecification_updateCpuCredits (185.07s)
=== RUN   TestAccAWSInstance_creditSpecification_removalReturnsStandard
--- PASS: TestAccAWSInstance_creditSpecification_removalReturnsStandard (184.62s)
=== RUN   TestAccAWSInstance_changeInstanceType
--- PASS: TestAccAWSInstance_changeInstanceType (326.55s)

@bflad bflad added bug Addresses a defect in current functionality. service/ec2 Issues and PRs that pertain to the ec2 service. labels Jun 26, 2018
@bflad bflad added this to the v1.25.0 milestone Jun 26, 2018
@ghost ghost added the size/XS Managed by automation to categorize the size of a PR. label Jun 26, 2018
@bflad bflad mentioned this pull request Jun 26, 2018
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@ChadScott
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I've tested this on three of our affected environments and it resolves it each time.

I tested by:
terraform init
terraform plan -out the.plan

...then confirm that instances are scheduled for -/+.

I then replace my .terraform/plugins/darwin_amd64/terraform-provider-aws_v1.24.0_x4 with the one built from this branch, followed by...

terraform init
terraform plan -out the.plan

...and verify it shows No changes. Infrastructure is up-to-date.

@bflad bflad requested a review from a team June 26, 2018 19:41
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bflad commented Jun 27, 2018

TeamCity acceptance test output updated above, no surprises.

tombuildsstuff
tombuildsstuff approved these changes Jun 27, 2018
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LGTM 👍

@bflad bflad merged commit 0550b54 into master Jun 27, 2018
@bflad bflad deleted the b-aws_instance-user_data-empty-diff branch June 27, 2018 11:22
bflad added a commit that referenced this pull request Jun 27, 2018
@bflad
Update CHANGELOG for #4991
861f481
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bflad commented Jun 27, 2018

This has been released in version 1.25.0 of the AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

@leth leth mentioned this pull request Jul 5, 2018
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zehua
zehua reviewed Aug 7, 2018
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aws/resource_aws_instance.go
DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
// Sometimes the EC2 API responds with the equivalent, empty SHA1 sum
// echo -n "" | shasum
if old == "da39a3ee5e6b4b0d3255bfef95601890afd80709" && new == "" {
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@bflad can we also do the check on the other direction?

If my plan used to omit the user_data field but now has to include it with values that are sometimes empty, I would like the diff to be suppressed, too.

if (old == "da39a3ee5e6b4b0d3255bfef95601890afd80709" && new == "") ||
   (old == "" && new == "da39a3ee5e6b4b0d3255bfef95601890afd80709") {

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could not wait and created #5467

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ghost commented Apr 4, 2020

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!

@hashicorp hashicorp locked and limited conversation to collaborators Apr 4, 2020
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bug Addresses a defect in current functionality. service/ec2 Issues and PRs that pertain to the ec2 service. size/XS Managed by automation to categorize the size of a PR.
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Successfully merging this pull request may close these issues.

EC2 instance recreation due to unexpected user_data change
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@bflad @ChadScott @zehua @tombuildsstuff