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terraform/CHANGELOG.md

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## 0.5.0 (unreleased)
FEATURES:
* **Multi-provider (a.k.a multi-region)**: Multiple instances of a single
provider can be configured so resources can apply to different settings.
As an example, this allows Terraform to manage multiple regions with AWS.
* **Environmental variables to set variables**: Environment variables can be
used to set variables. The environment variables must be in the format
`TF_VAR_name` and this will be checked last for a value.
* **New remote state backend: `s3`**: You can now store remote state in
an S3 bucket. [GH-1723]
* **Automatic AWS retries**: This release includes a lot of improvement
around automatic retries of transient errors in AWS. The number of
retry attempts is also configurable.
IMPROVEMENTS:
* **New config function: `length`** - Get the length of a string or a list.
Useful in conjunction with `split`. [GH-1495]
* **New resource: `aws_app_cookie_stickiness_policy`**
* **New resource: `aws_customer_gateway`**
* **New resource: `aws_ebs_volume`**
* **New resource: `aws_elasticache_cluster`**
* **New resource: `aws_elasticache_security_group`**
* **New resource: `aws_elasticache_subnet_group`**
* **New resource: `aws_iam_access_key`**
* **New resource: `aws_iam_group_policy`**
* **New resource: `aws_iam_group`**
* **New resource: `aws_iam_instance_profile`**
* **New resource: `aws_iam_policy`**
* **New resource: `aws_iam_role_policy`**
* **New resource: `aws_iam_role`**
* **New resource: `aws_iam_user_policy`**
* **New resource: `aws_iam_user`**
* **New resource: `aws_lb_cookie_stickiness_policy`**
* **New resource: `aws_proxy_protocol_policy`**
* **New resource: `aws_security_group_rule`**
* **New resource: `aws_vpc_dhcp_options_association`**
* **New resource: `aws_vpc_dhcp_options`**
* **New resource: `aws_vpn_connection_route`**
* **New resource: `google_dns_managed_zone`**
* **New resource: `google_dns_record_set`**
* **Migrate to upstream AWS SDK:** Migrate the AWS provider to
[awslabs/aws-sdk-go](https://github.com/awslabs/aws-sdk-go),
the offical `awslabs` library. Previously we had forked the library for
stability while `awslabs` refactored. Now that work has completed, and we've
migrated back to the upstream version.
* core: Improve error message on diff mismatch [GH-1501]
* provisioner/file: expand `~` in source path [GH-1569]
* provider/aws: Better retry logic, now retries up to 11 times by default
with exponentional backoff. This number is configurable. [GH-1787]
* provider/aws: Improved credential detection [GH-1470]
* provider/aws: Can specify a `token` via the config file [GH-1601]
* provider/aws: Added new `vpc_security_group_ids` attribute for AWS
Instances. If using a VPC, you can now modify the security groups for that
Instance without destroying it [GH-1539]
* provider/aws: White or blacklist account IDs that can be used to
protect against accidents. [GH-1595]
* provider/aws: Add a subset of IAM resources [GH-939]
* provider/aws: `aws_autoscaling_group` retries deletes through "in progress"
errors [GH-1840]
* provider/aws: `aws_autoscaling_group` waits for healthy capacity during
ASG creation [GH-1839]
* provider/aws: `aws_instance` supports placement groups [GH-1358]
* provider/aws: `aws_eip` supports network interface attachment [GH-1681]
* provider/aws: `aws_elb` supports in-place changing of listeners [GH-1619]
* provider/aws: `aws_elb` supports connection draining settings [GH-1502]
* provider/aws: `aws_elb` increase default idle timeout to 60s [GH-1646]
* provider/aws: `aws_key_pair` name can be omitted and generated [GH-1751]
* provider/aws: `aws_route_table` can target network interfaces [GH-968]
* provider/aws: `aws_route_table` can specify propogating VGWs [GH-1516]
* provider/aws: `aws_route53_record` supports weighted sets [GH-1578]
* provider/aws: `aws_route53_zone` exports nameservers [GH-1525]
* provider/aws: `aws_s3_bucket` website support [GH-1738]
* provider/aws: `aws_security_group` name becomes optional and can be
automatically set to a unique identifier; this helps with
`create_before_destroy` scenarios [GH-1632]
* provider/aws: `aws_security_group` description becomes optional with a
static default value [GH-1632]
* provider/aws: automatically set the private IP as the SSH address
if not specified and no public IP is available [GH-1623]
* provider/aws: `aws_elb` exports `source_security_group` field [GH-1708]
* provider/aws: `aws_route53_record` supports alias targeting [GH-1775]
* provider/aws: Remove default AWS egress rule for newly created Security Groups [GH-1765]
* provider/consul: add `scheme` configuration argument [GH-1838]
* provider/docker: `docker_container` can specify links [GH-1564]
* provider/google: `resource_compute_disk` supports snapshots [GH-1426]
* provider/google: `resource_compute_instance` supports specifying the
device name [GH-1426]
* provider/openstack: Floating IP support for LBaaS [GH-1550]
* provider/openstack: Add AZ to `openstack_blockstorage_volume_v1` [GH-1726]
BUG FIXES:
* core: Fix graph cycle issues surrounding modules [GH-1582] [GH-1637]
* core: math on arbitrary variables works if first operand isn't a
numeric primitive. [GH-1381]
* core: avoid unnecessary cycles by pruning tainted destroys from
graph if there are no tainted resources [GH-1475]
* core: fix issue where destroy nodes weren't pruned in specific
edge cases around matching prefixes, which could cause cycles [GH-1527]
* core: fix issue causing diff mismatch errors in certain scenarios during
resource replacement [GH-1515]
* core: dependencies on resources with a different index work when
count > 1 [GH-1540]
* core: don't panic if variable default type is invalid [GH-1344]
* core: fix perpetual diff issue for computed maps that are empty [GH-1607]
* core: validation added to check for `self` variables in modules [GH-1609]
* core: fix edge case where validation didn't pick up unknown fields
if the value was computed [GH-1507]
* core: Fix issue where values in sets on resources couldn't contain
hyphens. [GH-1641]
* core: Outputs removed from the config are removed from the state [GH-1714]
* core: Validate against the worst-case graph during plan phase to catch cycles
that would previously only show up during apply [GH-1655]
* core: Referencing invalid module output in module validates [GH-1448]
* command: remote states with uppercase types work [GH-1356]
* provider/aws: Support `AWS_SECURITY_TOKEN` env var again [GH-1785]
* provider/aws: Don't save "instance" for EIP if association fails [GH-1776]
* provider/aws: launch configuration ID set after create success [GH-1518]
* provider/aws: Fixed an issue with creating ELBs without any tags [GH-1580]
* provider/aws: Fix issue in Security Groups with empty IPRanges [GH-1612]
* provider/aws: manually deleted S3 buckets are refreshed properly [GH-1574]
* provider/aws: only check for EIP allocation ID in VPC [GH-1555]
* provider/aws: raw protocol numbers work in `aws_network_acl` [GH-1435]
* provider/aws: Block devices can be encrypted [GH-1718]
* provider/aws: ASG health check grace period can be updated in-place [GH-1682]
* provider/aws: ELB security groups can be updated in-place [GH-1662]
* provider/aws: `aws_main_route_table_association` can be deleted
manually [GH-1806]
* provider/docker: image can reference more complex image addresses,
such as with private repos with ports [GH-1818]
* provider/openstack: region config is not required [GH-1441]
* provider/openstack: `enable_dhcp` for networking subnet should be bool [GH-1741]
* provisioner/remote-exec: add random number to uploaded script path so
that parallel provisions work [GH-1588]
* provisioner/remote-exec: chmod the script to 0755 properly [GH-1796]
## 0.4.2 (April 10, 2015)
BUG FIXES:
* core: refresh won't remove outputs from state file [GH-1369]
* core: clarify "unknown variable" error [GH-1480]
* core: properly merge parent provider configs when asking for input
* provider/aws: fix panic possibility if RDS DB name is empty [GH-1460]
* provider/aws: fix issue detecting credentials for some resources [GH-1470]
* provider/google: fix issue causing unresolvable diffs when using legacy
`network` field on `google_compute_instance` [GH-1458]
## 0.4.1 (April 9, 2015)
IMPROVEMENTS:
* provider/aws: Route 53 records can now update `ttl` and `records` attributes
without destroying/creating the record [GH-1396]
* provider/aws: Support changing additional attributes of RDS databases
without forcing a new resource [GH-1382]
BUG FIXES:
* core: module paths in ".terraform" are consistent across different
systems so copying your ".terraform" folder works. [GH-1418]
* core: don't validate providers too early when nested in a module [GH-1380]
* core: fix race condition in `count.index` interpolation [GH-1454]
* core: properly initialize provisioners, fixing resource targeting
during destroy [GH-1544]
* command/push: don't ask for input if terraform.tfvars is present
* command/remote-config: remove spurrious error "nil" when initializing
remote state on a new configuration. [GH-1392]
* provider/aws: Fix issue with Route 53 and pre-existing Hosted Zones [GH-1415]
* provider/aws: Fix refresh issue in Route 53 hosted zone [GH-1384]
* provider/aws: Fix issue when changing map-public-ip in Subnets #1234
* provider/aws: Fix issue finding db subnets [GH-1377]
* provider/aws: Fix issues with `*_block_device` attributes on instances and
launch configs creating unresolvable diffs when certain optional
parameters were omitted from the config [GH-1445]
* provider/aws: Fix issue with `aws_launch_configuration` causing an
unnecessary diff for pre-0.4 environments [GH-1371]
* provider/aws: Fix several related issues with `aws_launch_configuration`
causing unresolvable diffs [GH-1444]
* provider/aws: Fix issue preventing launch configurations from being valid
in EC2 Classic [GH-1412]
* provider/aws: Fix issue in updating Route 53 records on refresh/read. [GH-1430]
* provider/docker: Don't ask for `cert_path` input on every run [GH-1432]
* provider/google: Fix issue causing unresolvable diff on instances with
`network_interface` [GH-1427]
## 0.4.0 (April 2, 2015)
BACKWARDS INCOMPATIBILITIES:
* Commands `terraform push` and `terraform pull` are now nested under
the `remote` command: `terraform remote push` and `terraform remote pull`.
The old `remote` functionality is now at `terraform remote config`. This
consolidates all remote state management under one command.
* Period-prefixed configuration files are now ignored. This might break
existing Terraform configurations if you had period-prefixed files.
* The `block_device` attribute of `aws_instance` has been removed in favor
of three more specific attributes to specify block device mappings:
`root_block_device`, `ebs_block_device`, and `ephemeral_block_device`.
Configurations using the old attribute will generate a validation error
indicating that they must be updated to use the new fields [GH-1045].
FEATURES:
* **New provider: `dme` (DNSMadeEasy)** [GH-855]
* **New provider: `docker` (Docker)** - Manage container lifecycle
using the standard Docker API. [GH-855]
* **New provider: `openstack` (OpenStack)** - Interact with the many resources
provided by OpenStack. [GH-924]
* **New feature: `terraform_remote_state` resource** - Reference remote
states from other Terraform runs to use Terraform outputs as inputs
into another Terraform run.
* **New command: `taint`** - Manually mark a resource as tainted, causing
a destroy and recreate on the next plan/apply.
* **New resource: `aws_vpn_gateway`** [GH-1137]
* **New resource: `aws_elastic_network_interfaces`** [GH-1149]
* **Self-variables** can be used to reference the current resource's
attributes within a provisioner. Ex. `${self.private_ip_address}` [GH-1033]
* **Continuous state** saving during `terraform apply`. The state file is
continuously updated as apply is running, meaning that the state is
less likely to become corrupt in a catastrophic case: terraform panic
or system killing Terraform.
* **Math operations** in interpolations. You can now do things like
`${count.index+1}`. [GH-1068]
* **New AWS SDK:** Move to `aws-sdk-go` (hashicorp/aws-sdk-go),
a fork of the offical `awslabs` repo. We forked for stability while
`awslabs` refactored the library, and will move back to the officially
supported version in the next release.
IMPROVEMENTS:
* **New config function: `format`** - Format a string using `sprintf`
format. [GH-1096]
* **New config function: `replace`** - Search and replace string values.
Search can be a regular expression. See documentation for more
info. [GH-1029]
* **New config function: `split`** - Split a value based on a delimiter.
This is useful for faking lists as parameters to modules.
* **New resource: `digitalocean_ssh_key`** [GH-1074]
* config: Expand `~` with homedir in `file()` paths [GH-1338]
* core: The serial of the state is only updated if there is an actual
change. This will lower the amount of state changing on things
like refresh.
* core: Autoload `terraform.tfvars.json` as well as `terraform.tfvars` [GH-1030]
* core: `.tf` files that start with a period are now ignored. [GH-1227]
* command/remote-config: After enabling remote state, a `pull` is
automatically done initially.
* providers/google: Add `size` option to disk blocks for instances. [GH-1284]
* providers/aws: Improve support for tagging resources.
* providers/aws: Add a short syntax for Route 53 Record names, e.g.
`www` instead of `www.example.com`.
* providers/aws: Improve dependency violation error handling, when deleting
Internet Gateways or Auto Scaling groups [GH-1325].
* provider/aws: Add non-destructive updates to AWS RDS. You can now upgrade
`egine_version`, `parameter_group_name`, and `multi_az` without forcing
a new database to be created.[GH-1341]
* providers/aws: Full support for block device mappings on instances and
launch configurations [GH-1045, GH-1364]
* provisioners/remote-exec: SSH agent support. [GH-1208]
BUG FIXES:
* core: module outputs can be used as inputs to other modules [GH-822]
* core: Self-referencing splat variables are no longer allowed in
provisioners. [GH-795][GH-868]
* core: Validate that `depends_on` doesn't contain interpolations. [GH-1015]
* core: Module inputs can be non-strings. [GH-819]
* core: Fix invalid plan that resulted in "diffs don't match" error when
a computed attribute was used as part of a set parameter. [GH-1073]
* core: Fix edge case where state containing both "resource" and
"resource.0" would ignore the latter completely. [GH-1086]
* core: Modules with a source of a relative file path moving up
directories work properly, i.e. "../a" [GH-1232]
* providers/aws: manually deleted VPC removes it from the state
* providers/aws: `source_dest_check` regression fixed (now works). [GH-1020]
* providers/aws: Longer wait times for DB instances.
* providers/aws: Longer wait times for route53 records (30 mins). [GH-1164]
* providers/aws: Fix support for TXT records in Route 53. [GH-1213]
* providers/aws: Fix support for wildcard records in Route 53. [GH-1222]
* providers/aws: Fix issue with ignoring the 'self' attribute of a
Security Group rule. [GH-1223]
* providers/aws: Fix issue with `sql_mode` in RDS parameter group always
causing an update. [GH-1225]
* providers/aws: Fix dependency violation with subnets and security groups
[GH-1252]
* providers/aws: Fix issue with refreshing `db_subnet_groups` causing an error
instead of updating state [GH-1254]
* providers/aws: Prevent empty string to be used as default
`health_check_type` [GH-1052]
* providers/aws: Add tags on AWS IG creation, not just on update [GH-1176]
* providers/digitalocean: Waits until droplet is ready to be destroyed [GH-1057]
* providers/digitalocean: More lenient about 404's while waiting [GH-1062]
* providers/digitalocean: FQDN for domain records in CNAME, MX, NS, etc.
Also fixes invalid updates in plans. [GH-863]
* providers/google: Network data in state was not being stored. [GH-1095]
* providers/heroku: Fix panic when config vars block was empty. [GH-1211]
PLUGIN CHANGES:
* New `helper/schema` fields for resources: `Deprecated` and `Removed` allow
plugins to generate warning or error messages when a given attribute is used.
## 0.3.7 (February 19, 2015)
IMPROVEMENTS:
* **New resources: `google_compute_forwarding_rule`, `google_compute_http_health_check`,
and `google_compute_target_pool`** - Together these provide network-level
load balancing. [GH-588]
* **New resource: `aws_main_route_table_association`** - Manage the main routing table
of a VPC. [GH-918]
* **New resource: `aws_vpc_peering_connection`** [GH-963]
* core: Formalized the syntax of interpolations and documented it
very heavily.
* core: Strings in interpolations can now contain further interpolations,
e.g.: `foo ${bar("${baz}")}`.
* provider/aws: Internet gateway supports tags [GH-720]
* provider/aws: Support the more standard environmental variable names
for access key and secret keys. [GH-851]
* provider/aws: The `aws_db_instance` resource no longer requires both
`final_snapshot_identifier` and `skip_final_snapshot`; the presence or
absence of the former now implies the latter. [GH-874]
* provider/aws: Avoid unnecessary update of `aws_subnet` when
`map_public_ip_on_launch` is not specified in config. [GH-898]
* provider/aws: Add `apply_method` to `aws_db_parameter_group` [GH-897]
* provider/aws: Add `storage_type` to `aws_db_instance` [GH-896]
* provider/aws: ELB can update listeners without requiring new. [GH-721]
* provider/aws: Security group support egress rules. [GH-856]
* provider/aws: Route table supports VPC peering connection on route. [GH-963]
* provider/aws: Add `root_block_device` to `aws_db_instance` [GH-998]
* provider/google: Remove "client secrets file", as it's no longer necessary
for API authentication [GH-884].
* provider/google: Expose `self_link` on `google_compute_instance` [GH-906]
BUG FIXES:
* core: Fixing use of remote state with plan files. [GH-741]
* core: Fix a panic case when certain invalid types were used in
the configuration. [GH-691]
* core: Escape characters `\"`, `\n`, and `\\` now work in interpolations.
* core: Fix crash that could occur when there are exactly zero providers
installed on a system. [GH-786]
* core: JSON TF configurations can configure provisioners. [GH-807]
* core: Sort `depends_on` in state to prevent unnecessary file changes. [GH-928]
* core: State containing the zero value won't cause a diff with the
lack of a value. [GH-952]
* core: If a set type becomes empty, the state will be properly updated
to remove it. [GH-952]
* core: Bare "splat" variables are not allowed in provisioners. [GH-636]
* core: Invalid configuration keys to sub-resources are now errors. [GH-740]
* command/apply: Won't try to initialize modules in some cases when
no arguments are given. [GH-780]
* command/apply: Fix regression where user variables weren't asked [GH-736]
* helper/hashcode: Update `hash.String()` to always return a positive index.
Fixes issue where specific strings would convert to a negative index
and be omitted when creating Route53 records. [GH-967]
* provider/aws: Automatically suffix the Route53 zone name on record names. [GH-312]
* provider/aws: Instance should ignore root EBS devices. [GH-877]
* provider/aws: Fix `aws_db_instance` to not recreate each time. [GH-874]
* provider/aws: ASG termination policies are synced with remote state. [GH-923]
* provider/aws: ASG launch configuration setting can now be updated in-place. [GH-904]
* provider/aws: No read error when subnet is manually deleted. [GH-889]
* provider/aws: Tags with empty values (empty string) are properly
managed. [GH-968]
* provider/aws: Fix case where route table would delete its routes
on an unrelated change. [GH-990]
* provider/google: Fix bug preventing instances with metadata from being
created [GH-884].
PLUGIN CHANGES:
* New `helper/schema` type: `TypeFloat` [GH-594]
* New `helper/schema` field for resources: `Exists` must point to a function
to check for the existence of a resource. This is used to properly
handle the case where the resource was manually deleted. [GH-766]
* There is a semantic change in `GetOk` where it will return `true` if
there is any value in the diff that is _non-zero_. Before, it would
return true only if there was a value in the diff.
## 0.3.6 (January 6, 2015)
FEATURES:
* **New provider: `cloudstack`**
IMPROVEMENTS:
* **New resource: `aws_key_pair`** - Import a public key into AWS. [GH-695]
* **New resource: `heroku_cert`** - Manage Heroku app certs.
* provider/aws: Support `eu-central-1`, `cn-north-1`, and GovCloud. [GH-525]
* provider/aws: `route_table` can have tags. [GH-648]
* provider/google: Support Ubuntu images. [GH-724]
* provider/google: Support for service accounts. [GH-725]
BUG FIXES:
* core: temporary/hidden files that look like Terraform configurations
are no longer loaded. [GH-548]
* core: Set types in resources now result in deterministic states,
resulting in cleaner plans. [GH-663]
* core: fix issue where "diff was not the same" would come up with
diffing lists. [GH-661]
* core: fix crash where module inputs weren't strings, and add more
validation around invalid types here. [GH-624]
* core: fix error when using a computed module output as an input to
another module. [GH-659]
* core: map overrides in "terraform.tfvars" no longer result in a syntax
error. [GH-647]
* core: Colon character works in interpolation [GH-700]
* provider/aws: Fix crash case when internet gateway is not attached
to any VPC. [GH-664]
* provider/aws: `vpc_id` is no longer required. [GH-667]
* provider/aws: `availability_zones` on ELB will contain more than one
AZ if it is set as such. [GH-682]
* provider/aws: More fields are marked as "computed" properly, resulting
in more accurate diffs for AWS instances. [GH-712]
* provider/aws: Fix panic case by using the wrong type when setting
volume size for AWS instances. [GH-712]
* provider/aws: route table ignores routes with 'EnableVgwRoutePropagation'
origin since those come from gateways. [GH-722]
* provider/aws: Default network ACL ID and default security group ID
support for `aws_vpc`. [GH-704]
* provider/aws: Tags are not marked as computed. This introduces another
issue with not detecting external tags, but this will be fixed in
the future. [GH-730]
## 0.3.5 (December 9, 2014)
FEATURES:
* **Remote State**: State files can now be stored remotely via HTTP,
Consul, or HashiCorp's Atlas.
* **New Provider: `atlas`**: Retrieve artifacts for deployment from
HashiCorp's Atlas service.
* New `element()` function to index into arrays
IMPROVEMENTS:
* provider/aws: Support tenancy for aws\_instance
* provider/aws: Support block devices for aws\_instance
* provider/aws: Support virtual\_name on block device
* provider/aws: Improve RDS reliability (more grace time)
* provider/aws: Added aws\_db\_parameter\_group resource
* provider/aws: Added tag support to aws\_subnet
* provider/aws: Routes in RouteTable are optional
* provider/aws: associate\_public\_ip\_address on aws\_launch\_configuration
* provider/aws: Added aws\_network\_acl
* provider/aws: Ingress rules in security groups are optional
* provider/aws: Support termination policy for ASG
* provider/digitalocean: Improved droplet size compatibility
BUG FIXES:
* core: Fixed issue causing double delete. [GH-555]
* core: Fixed issue with create-before-destroy not being respected in
some circumstances.
* core: Fixing issue with count expansion with non-homogenous instance
plans.
* core: Fix issue with referencing resource variables from resources
that don't exist yet within resources that do exist, or modules.
* core: Fixing depedency handling for modules
* core: Fixing output handling [GH-474]
* core: Fixing count interpolation in modules
* core: Fixing multi-var without module state
* core: Fixing HCL variable declaration
* core: Fixing resource interpolation for without state
* core: Fixing handling of computed maps
* command/init: Fixing recursion issue [GH-518]
* command: Validate config before requesting input [GH-602]
* build: Fixing GOPATHs with spaces
MISC:
* provider/aws: Upgraded to helper.Schema
* provider/heroku: Upgraded to helper.Schema
* provider/mailgun: Upgraded to helper.Schema
* provider/dnsimple: Upgraded to helper.Schema
* provider/cloudflare: Upgraded to helper.Schema
* provider/digitalocean: Upgraded to helper.Schema
* provider/google: Upgraded to helper.Schema
## 0.3.1 (October 21, 2014)
IMPROVEMENTS:
* providers/aws: Support tags for security groups.
* providers/google: Add "external\_address" to network attributes [GH-454]
* providers/google: External address is used as default connection host. [GH-454]
* providers/heroku: Support `locked` and `personal` booleans on organization
settings. [GH-406]
BUG FIXES:
* core: Remove panic case when applying with a plan that generates no
new state. [GH-403]
* core: Fix a hang that can occur with enough resources. [GH-410]
* core: Config validation will not error if the field is being
computed so the value is still unknown.
* core: If a resource fails to create and has provisioners, it is
marked as tainted. [GH-434]
* core: Set types are validated to be sets. [GH-413]
* core: String types are validated properly. [GH-460]
* core: Fix crash case when destroying with tainted resources. [GH-412]
* core: Don't execute provisioners in some cases on destroy.
* core: Inherited provider configurations will be properly interpolated. [GH-418]
* core: Refresh works properly if there are outputs that depend on resources
that aren't yet created. [GH-483]
* providers/aws: Refresh of launch configs and autoscale groups load
the correct data and don't incorrectly recreate themselves. [GH-425]
* providers/aws: Fix case where ELB would incorrectly plan to modify
listeners (with the same data) in some cases.
* providers/aws: Retry destroying internet gateway for some amount of time
if there is a dependency violation since it is probably just eventual
consistency (public facing resources being destroyed). [GH-447]
* providers/aws: Retry deleting security groups for some amount of time
if there is a dependency violation since it is probably just eventual
consistency. [GH-436]
* providers/aws: Retry deleting subnet for some amount of time if there is a
dependency violation since probably asynchronous destroy events take
place still. [GH-449]
* providers/aws: Drain autoscale groups before deleting. [GH-435]
* providers/aws: Fix crash case if launch config is manually deleted. [GH-421]
* providers/aws: Disassociate EIP before destroying.
* providers/aws: ELB treats subnets as a set.
* providers/aws: Fix case where in a destroy/create tags weren't reapplied. [GH-464]
* providers/aws: Fix incorrect/erroneous apply cases around security group
rules. [GH-457]
* providers/consul: Fix regression where `key` param changed to `keys. [GH-475]
## 0.3.0 (October 14, 2014)
FEATURES:
* **Modules**: Configuration can now be modularized. Modules can live on
GitHub, BitBucket, Git/Hg repos, HTTP URLs, and file paths. Terraform
automatically downloads/updates modules for you on request.
* **New Command: `init`**. This command initializes a Terraform configuration
from an existing Terraform module (also new in 0.3).
* **New Command: `destroy`**. This command destroys infrastructure
created with `apply`.
* Terraform will ask for user input to fill in required variables and
provider configurations if they aren't set.
* `terraform apply MODULE` can be used as a shorthand to quickly build
infrastructure from a module.
* The state file format is now JSON rather than binary. This allows for
easier machine and human read/write. Old binary state files will be
automatically upgraded.
* You can now specify `create_before_destroy` as an option for replacement
so that new resources are created before the old ones are destroyed.
* The `count` metaparameter can now contain interpolations (such as
variables).
* The current index for a resource with a `count` set can be interpolated
using `${count.index}`.
* Various paths can be interpolated with the `path.X` variables. For example,
the path to the current module can be interpolated using `${path.module}`.
IMPROVEMENTS:
* config: Trailing commas are now allowed for the final elements of lists.
* core: Plugins are loaded from `~/.terraform.d/plugins` (Unix) or
`%USERDATA%/terraform.d/plugins` (Windows).
* command/show: With no arguments, it will show the default state. [GH-349]
* helper/schema: Can now have default values. [GH-245]
* providers/aws: Tag support for most resources.
* providers/aws: New resource `db_subnet_group`. [GH-295]
* providers/aws: Add `map_public_ip_on_launch` for subnets. [GH-285]
* providers/aws: Add `iam_instance_profile` for instances. [GH-319]
* providers/aws: Add `internal` option for ELBs. [GH-303]
* providers/aws: Add `ssl_certificate_id` for ELB listeners. [GH-350]
* providers/aws: Add `self` option for security groups for ingress
rules with self as source. [GH-303]
* providers/aws: Add `iam_instance_profile` option to
`aws_launch_configuration`. [GH-371]
* providers/aws: Non-destructive update of `desired_capacity` for
autoscale groups.
* providers/aws: Add `main_route_table_id` attribute to VPCs. [GH-193]
* providers/consul: Support tokens. [GH-396]
* providers/google: Support `target_tags` for firewalls. [GH-324]
* providers/google: `google_compute_instance` supports `can_ip_forward` [GH-375]
* providers/google: `google_compute_disk` supports `type` to support disks
such as SSDs. [GH-351]
* provisioners/local-exec: Output from command is shown in CLI output. [GH-311]
* provisioners/remote-exec: Output from command is shown in CLI output. [GH-311]
BUG FIXES:
* core: Providers are validated even without a `provider` block. [GH-284]
* core: In the case of error, walk all non-dependent trees.
* core: Plugin loading from CWD works properly.
* core: Fix many edge cases surrounding the `count` meta-parameter.
* core: Strings in the configuration can escape double-quotes with the
standard `\"` syntax.
* core: Error parsing CLI config will show properly. [GH-288]
* core: More than one Ctrl-C will exit immediately.
* providers/aws: autoscaling_group can be launched into a vpc [GH-259]
* providers/aws: not an error when RDS instance is deleted manually. [GH-307]
* providers/aws: Retry deleting subnet for some time while AWS eventually
destroys dependencies. [GH-357]
* providers/aws: More robust destroy for route53 records. [GH-342]
* providers/aws: ELB generates much more correct plans without extranneous
data.
* providers/aws: ELB works properly with dynamically changing
count of instances.
* providers/aws: Terraform can handle ELBs deleted manually. [GH-304]
* providers/aws: Report errors properly if RDS fails to delete. [GH-310]
* providers/aws: Wait for launch configuration to exist after creation
(AWS eventual consistency) [GH-302]
## 0.2.2 (September 9, 2014)
IMPROVEMENTS:
* providers/amazon: Add `ebs_optimized` flag. [GH-260]
* providers/digitalocean: Handle 404 on delete
* providers/digitalocean: Add `user_data` argument for creating droplets
* providers/google: Disks can be marked `auto_delete`. [GH-254]
BUG FIXES:
* core: Fix certain syntax of configuration that could cause hang. [GH-261]
* core: `-no-color` flag properly disables color. [GH-250]
* core: "~" is expanded in `-var-file` flags. [GH-273]
* core: Errors with tfvars are shown in console. [GH-269]
* core: Interpolation function calls with more than two args parse. [GH-282]
* providers/aws: Refreshing EIP from pre-0.2 state file won't error. [GH-258]
* providers/aws: Creating EIP without an instance/network won't fail.
* providers/aws: Refreshing EIP manually deleted works.
* providers/aws: Retry EIP delete to allow AWS eventual consistency to
detect it isn't attached. [GH-276]
* providers/digitalocean: Handle situations when resource was destroyed
manually. [GH-279]
* providers/digitalocean: Fix a couple scenarios where the diff was
incorrect (and therefore the execution as well).
* providers/google: Attaching a disk source (not an image) works
properly. [GH-254]
## 0.2.1 (August 31, 2014)
IMPROVEMENTS:
* core: Plugins are automatically discovered in the executable directory
or pwd if named properly. [GH-190]
* providers/mailgun: domain records are now saved to state
BUG FIXES:
* core: Configuration parses when identifier and '=' have no space. [GH-243]
* core: `depends_on` with `count` generates the proper graph. [GH-244]
* core: Depending on a computed variable of a list type generates a
plan without failure. i.e. `${type.name.foos.0.bar}` where `foos`
is computed. [GH-247]
* providers/aws: Route53 destroys in parallel work properly. [GH-183]
## 0.2.0 (August 28, 2014)
BACKWARDS INCOMPATIBILITIES:
* We've replaced the configuration language in use from a C library to
a pure-Go reimplementation. In the process, we removed some features
of the language since it was too flexible:
* Semicolons are no longer valid at the end of lines
* Keys cannot be double-quoted strings: `"foo" = "bar"` is no longer
valid.
* JSON style maps `{ "foo": "bar" }` are no longer valid outside of JSON.
Maps must be in the format of `{ foo = "bar" }` (like other objects
in the config)
* Heroku apps now require (will not validate without) `region` and
`name` due to an upstream API change. [GH-239]
FEATURES:
* **New Provider: `google`**: Manage Google Compute instances, disks,
firewalls, and more.
* **New Provider: `mailgun`**: Manage mailgun domains.
* **New Function: `concat`**: Concatenate multiple strings together.
Example: `concat(var.region, "-", var.channel)`.
IMPROVEMENTS:
* core: "~/.terraformrc" (Unix) or "%APPDATA%/terraform.rc" (Windows)
can be used to configure custom providers and provisioners. [GH-192]
* providers/aws: EIPs now expose `allocation_id` and `public_ip`
attributes.
* providers/aws: Security group rules can be updated without a
destroy/create.
* providers/aws: You can enable and disable dns settings for VPCs. [GH-172]
* providers/aws: Can specify a private IP address for `aws_instance` [GH-217]
BUG FIXES:
* core: Variables are validated to not contain interpolations. [GH-180]
* core: Key files for provisioning can now contain `~` and will be expanded
to the user's home directory. [GH-179]
* core: The `file()` function can load files in sub-directories. [GH-213]
* core: Fix issue where some JSON structures didn't map properly into
Terraform structures. [GH-177]
* core: Resources with only `file()` calls will interpolate. [GH-159]
* core: Variables work in block names. [GH-234]
* core: Plugins are searched for in the same directory as the executable
before the PATH. [GH-157]
* command/apply: "tfvars" file no longer interferes with plan apply. [GH-153]
* providers/aws: Fix issues around failing to read EIPs. [GH-122]
* providers/aws: Autoscaling groups now register and export load
balancers. [GH-207]
* providers/aws: Ingress results are treated as a set, so order doesn't
matter anymore. [GH-87]
* providers/aws: Instance security groups treated as a set [GH-194]
* providers/aws: Retry Route53 requests if operation failed because another
operation is in progress [GH-183]
* providers/aws: Route53 records with multiple record values work. [GH-221]
* providers/aws: Changing AMI doesn't result in errors anymore. [GH-196]
* providers/heroku: If you delete the `config_vars` block, config vars
are properly nuked.
* providers/heroku: Domains and drains are deleted before the app.
* providers/heroku: Moved from the client library bgentry/heroku-go to
cyberdelia/heroku-go [GH-239].
* providers/heroku: Plans without a specific plan name for
heroku\_addon work. [GH-198]
PLUGIN CHANGES:
* **New Package:** `helper/schema`. This introduces a high-level framework
for easily writing new providers and resources. The Heroku provider has
been converted to this as an example.
## 0.1.1 (August 5, 2014)
FEATURES:
* providers/heroku: Now supports creating Heroku Drains [GH-97]
IMPROVEMENTS:
* providers/aws: Launch configurations accept user data [GH-94]
* providers/aws: Regions are now validated [GH-96]
* providers/aws: ELB now supports health check configurations [GH-109]
BUG FIXES:
* core: Default variable file "terraform.tfvars" is auto-loaded. [GH-59]
* core: Multi-variables (`foo.*.bar`) work even when `count = 1`. [GH-115]
* core: `file()` function can have string literal arg [GH-145]
* providers/cloudflare: Include the proper bins so the cloudflare
provider is compiled
* providers/aws: Engine version for RDS now properly set [GH-118]
* providers/aws: Security groups now depend on each other and
* providers/aws: DB instances now wait for destroys, have proper
dependencies and allow passing skip_final_snapshot
* providers/aws: Add associate_public_ip_address as an attribute on
the aws_instance resource [GH-85]
* providers/aws: Fix cidr blocks being updated [GH-65, GH-85]
* providers/aws: Description is now required for security groups
* providers/digitalocean: Private IP addresses are now a separate
attribute
* provisioner/all: If an SSH key is given with a password, a better
error message is shown. [GH-73]
## 0.1.0 (July 28, 2014)
* Initial release
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