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changelog: 1.9.0 (#9265) 

* changelog: add post-rc1 entries

* changelog: regenerate entries from LAST_RELEASE_GIT_TAG=v1.8.4, remove beta releases

* changelog: tweak categories for a few entries and add Go 1.15 note

* changelog: apply category changes to CHANGELOG.md

manually remove Go 1.14 upgrade note and two intermediate UI bug fix
entries for the new topology feature
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.changelog/8685.txt
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```release-note:bug
fixed a bug that caused logs to be flooded with `[WARN] agent.router: Non-server in server-only area`
telemetry: fixed a bug that caused logs to be flooded with `[WARN] agent.router: Non-server in server-only area`
```

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```release-note:feature
```release-note:improvement
server: create new memdb table for storing system metadata
```

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.changelog/8822.txt
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```release-note:improvement
deps: Update raft to v1.2.0 to prevent non-voters from becoming eligible for leader elections and adding peer id as metric label to reduce cardinality in metric names
raft: Update raft to v1.2.0 to prevent non-voters from becoming eligible for leader elections and adding peer id as metric label to reduce cardinality in metric names
```

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```release-note:feature
```release-note:improvement
connect: intentions are now managed as a new config entry kind "service-intentions"
```
```release-note:breaking-change
connect: intention destinations can no longer be renamed
connect: intention destinations can no longer be reassigned
```

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```release-note:improvement
agent: add counter `consul.api.http` with labels for each HTTP path and method. This is intended to replace `consul.http...`
telemetry: add counter `consul.api.http` with labels for each HTTP path and method. This is intended to replace `consul.http...`
```
```release-note:improvement
agent: add config flag `telemetry { disable_compat_1.9 = (true|false) }` to disable deprecated metrics in 1.9
telemetry: add config flag `telemetry { disable_compat_1.9 = (true|false) }` to disable deprecated metrics in 1.9
```
```release-note:deprecation
agent: The measurements in all of the `consul.http...` prefixed metrics have been migrated to `consul.api.http`. `consul.http...` prefixed metrics will be removed in a future version of Consul.
telemetry: The measurements in all of the `consul.http...` prefixed metrics have been migrated to `consul.api.http`. `consul.http...` prefixed metrics will be removed in a future version of Consul.
```

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```release-note:improvement
chore: Update to Go 1.15 with mitigation for [golang/go#42138](https://github.com/golang/go/issues/42138)
```
```release-note:deprecation
Go 1.15 has dropped support for 32-bit binaries for Darwin, so darwin_386 builds will not be available for any 1.9.x+ releases.
```

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.changelog/9198.txt
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```release-note:improvement
agent: All metrics should be present and available to prometheus scrapers when Consul starts. If any non-deprecated metrics are missing please submit an issue with its name.
telemetry: All metrics should be present and available to prometheus scrapers when Consul starts. If any non-deprecated metrics are missing please submit an issue with its name.
```

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CHANGELOG.md
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## UNRELEASED
## 1.9.0-rc1 (November 17, 2020)
BREAKING CHANGES:
* agent: The `enable_central_service_config` option now defaults to true. [[GH-8746](https://github.com/hashicorp/consul/issues/8746)]
* connect: Switch the default gateway port from 443 to 8443 to avoid assumption of Envoy running as root. [[GH-9113](https://github.com/hashicorp/consul/issues/9113)]
* connect: Update Envoy metrics names and labels for proxy listeners so that attributes like datacenter and namespace can be extracted. [[GH-9207](https://github.com/hashicorp/consul/issues/9207)]
* connect: intention destinations can no longer be reassigned [[GH-8834](https://github.com/hashicorp/consul/issues/8834)]
* raft: Raft protocol v2 is no longer supported. If currently using protocol v2 then an intermediate upgrade to a version supporting both v2 and v3 protocols will be necessary (1.0.0 - 1.8.x). Note that the Raft protocol configured with the `raft_protocol` setting and the Consul RPC protocol configured with the `protocol` setting and output by the `consul version` command are distinct and supported Consul RPC protocol versions are not altered. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
* sentinel: **(Consul Enterprise only)** update to v0.16.0, which replaces `whitelist` and `blacklist` with `allowlist` and `denylist`
* server: **(Enterprise only)** Pre-existing intentions defined with
non-existent destination namespaces were non-functional and are erased during
the upgrade process. This should not matter as these intentions had nothing to
@ -14,96 +17,24 @@ destination namespace value that is not "default" are rewritten or deleted
during the upgrade process. Wildcards first attempt to downgrade to "default"
unless an intention already exists, otherwise these non-functional intentions
are deleted. [[GH-9186](https://github.com/hashicorp/consul/issues/9186)]
FEATURES:
* agent: return the default ACL policy to callers as a header [[GH-9101](https://github.com/hashicorp/consul/issues/9101)]
* autopilot: Added a new `consul operator autopilot state` command to retrieve and view the Autopilot state from consul. [[GH-9142](https://github.com/hashicorp/consul/issues/9142)]
IMPROVEMENTS:
* agent: All metrics should be present and available to prometheus scrapers when Consul starts. If any non-deprecated metrics are missing please submit an issue with its name. [[GH-9198](https://github.com/hashicorp/consul/issues/9198)]
* server: break up Intention.Apply monolithic method [[GH-9007](https://github.com/hashicorp/consul/issues/9007)]
* server: remove config entry CAS in legacy intention API bridge code [[GH-9151](https://github.com/hashicorp/consul/issues/9151)]
* ui: Add the Upstreams and Exposed Paths tabs for services in mesh [[GH-9141](https://github.com/hashicorp/consul/issues/9141)]
* ui: Moves the Proxy health checks to be displayed with the Service health check under the Health Checks tab [[GH-9141](https://github.com/hashicorp/consul/issues/9141)]
DEPRECATIONS:
* telemetry: the disable_compat_1.9 config will cover more metrics deprecations in future 1.9 point releases. These metrics will be emitted twice for backwards compatibility - if the flag is true, only the new metric name will be written. [[GH-9181](https://github.com/hashicorp/consul/issues/9181)]
BUG FIXES:
* autopilot: Prevent panic when requesting the autopilot health immediately after a leader is elected. [[GH-9204](https://github.com/hashicorp/consul/issues/9204)]
* license: **(Enterprise only)** Fixed an issue where warnings about Namespaces being unlicensed would be emitted erroneously.
* namespace: **(Enterprise Only)** Fixed a bug that could case snapshot restoration to fail when it contained a namespace marked for deletion while still containing other resources in that namespace. [[GH-9156](https://github.com/hashicorp/consul/issues/9156)]
* namespace: **(Enterprise Only)** Fixed an issue where namespaced services and checks were not being deleted when the containing namespace was deleted.
* server: skip deleted and deleting namespaces when migrating intentions to config entries [[GH-9186](https://github.com/hashicorp/consul/issues/9186)]
## 1.9.0-beta3 (November 10, 2020)
BREAKING CHANGES:
* connect: Switch the default gateway port from 443 to 8443 to avoid assumption of Envoy running as root. [[GH-9113](https://github.com/hashicorp/consul/issues/9113)]
* raft: Raft protocol v2 is no longer supported. If currently using protocol v2 then an intermediate upgrade to a version supporting both v2 and v3 protocols will be necessary (1.0.0 - 1.8.x). Note that the Raft protocol configured with the `raft_protocol` setting and the Consul RPC protocol configured with the `protocol` setting and output by the `consul version` command are distinct and supported Consul RPC protocol versions are not altered. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
FEATURES:
* autopilot: A new `/v1/operator/autopilot/state` HTTP API was created to give greater visibility into what autopilot is doing and how it has classified all the servers it is tracking. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
IMPROVEMENTS:
* autopilot: **(Enterprise Only)** Autopilot now supports using both Redundancy Zones and Automated Upgrades together. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
* chore: update to Go 1.14.11 with mitigation for [golang/go#42138](https://github.com/golang/go/issues/42138) [[GH-9119](https://github.com/hashicorp/consul/issues/9119)]
BUG FIXES:
* autopilot: **(Enterprise Only)** Previously servers in other zones would not be promoted when all servers in a second zone had failed. Now the actual behavior matches the docs and autopilot will promote a healthy non-voter from any zone to replace failure of an entire zone. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
## 1.9.0-beta2 (November 07, 2020)
BREAKING CHANGES:
* sentinel: **(Consul Enterprise only)** update to v0.16.0, which replaces `whitelist` and `blacklist` with `allowlist` and `denylist`
* xds: Drop support for Envoy versions 1.12.0, 1.12.1, 1.12.2, and 1.13.0, due to a lack of support for url_path in RBAC. [[GH-8839](https://github.com/hashicorp/consul/issues/8839)]
SECURITY:
* Fix Consul Enterprise Namespace Config Entry Replication DoS. Previously an operator with service:write ACL permissions in a Consul Enterprise cluster could write a malicious config entry that caused infinite raft writes due to issues with the namespace replication logic. [[CVE-2020-25201](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25201)] [[GH-9024](https://github.com/hashicorp/consul/issues/9024)]
* Increase the permissions to read from the `/connect/ca/configuration` endpoint to `operator:write`. Previously Connect CA configuration, including the private key, set via this endpoint could be read back by an operator with `operator:read` privileges. [CVE-2020-28053](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28053) [[GH-9240](https://github.com/hashicorp/consul/issues/9240)]
FEATURES:
* agent: Add a new RPC endpoint for streaming cluster state change events to clients.
* telemetry: add initialization and definition for non-expiring key metrics in Prometheus [[GH-9088](https://github.com/hashicorp/consul/issues/9088)]
IMPROVEMENTS:
* agent: add path_allowlist config option to restrict metrics proxy queries [[GH-9059](https://github.com/hashicorp/consul/issues/9059)]
* agent: protect the metrics proxy behind ACLs [[GH-9099](https://github.com/hashicorp/consul/issues/9099)]
* ui: add dashboard_url_template config option for external dashboard links [[GH-9002](https://github.com/hashicorp/consul/issues/9002)]
BUG FIXES:
* api: Fixed a bug where the Check.GRPCUseTLS field could not be set using snake case. [[GH-8771](https://github.com/hashicorp/consul/issues/8771)]
* connect: fix connect sidecars registered via the API not being automatically deregistered with their parent service after an agent restart by persisting the LocallyRegisteredAsSidecar property. [[GH-8924](https://github.com/hashicorp/consul/issues/8924)]
* ui: hide metrics for ingress gateways until full support can be implemented [[GH-9081](https://github.com/hashicorp/consul/issues/9081)]
* ui: only show topology tab for services that exist [[GH-9008](https://github.com/hashicorp/consul/issues/9008)]
## 1.9.0-beta1 (October 12, 2020)
BREAKING CHANGES:
* agent: The `enable_central_service_config` option now defaults to true. [[GH-8746](https://github.com/hashicorp/consul/issues/8746)]
* connect: intention destinations can no longer be renamed [[GH-8834](https://github.com/hashicorp/consul/issues/8834)]
* xds: Drop support for Envoy versions 1.12.0, 1.12.1, 1.12.2, and 1.13.0, due to a lack of support for url_path in RBAC. [[GH-8839](https://github.com/hashicorp/consul/issues/8839)]
FEATURES:
* agent: Allow client agents to be configured with an advertised reconnect timeout to control how long until the nodes are reaped by others in the cluster. [[GH-8781](https://github.com/hashicorp/consul/issues/8781)]
* agent: moved ui config options to a new `ui_config` stanza in agent configuration and added new options to display service metrics in the UI. [[GH-8694](https://github.com/hashicorp/consul/issues/8694)]
* agent: return the default ACL policy to callers as a header [[GH-9101](https://github.com/hashicorp/consul/issues/9101)]
* autopilot: A new `/v1/operator/autopilot/state` HTTP API was created to give greater visibility into what autopilot is doing and how it has classified all the servers it is tracking. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
* autopilot: Added a new `consul operator autopilot state` command to retrieve and view the Autopilot state from consul. [[GH-9142](https://github.com/hashicorp/consul/issues/9142)]
* cli: update `snapshot inspect` command to provide more detailed snapshot data [[GH-8787](https://github.com/hashicorp/consul/issues/8787)]
* connect: intentions are now managed as a new config entry kind "service-intentions" [[GH-8834](https://github.com/hashicorp/consul/issues/8834)]
* connect: support defining intentions using layer 7 criteria [[GH-8839](https://github.com/hashicorp/consul/issues/8839)]
* server: create new memdb table for storing system metadata [[GH-8703](https://github.com/hashicorp/consul/issues/8703)]
* telemetry: add initialization and definition for non-expiring key metrics in Prometheus [[GH-9088](https://github.com/hashicorp/consul/issues/9088)]
* telemetry: track node and service counts and emit them as metrics [[GH-8603](https://github.com/hashicorp/consul/issues/8603)]
* ui: If Prometheus is being used for monitoring the sidecars, the topology view can be configured to display overview metrics for the services. [[GH-8858](https://github.com/hashicorp/consul/issues/8858)]
* ui: Services using Connect with Envoy sidecars have a topology tab in the UI showing their upstream and downstream services. [[GH-8788](https://github.com/hashicorp/consul/issues/8788)]
@ -111,38 +42,60 @@ FEATURES:
IMPROVEMENTS:
* agent: Return HTTP 429 when connections per clients limit (`limits.http_max_conns_per_client`) has been reached [[GH-8221](https://github.com/hashicorp/consul/issues/8221)]
* agent: add config flag `telemetry { disable_compat_1.9 = (true|false) }` to disable deprecated metrics in 1.9 [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* agent: add counter `consul.api.http` with labels for each HTTP path and method. This is intended to replace `consul.http...` [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* agent: Return HTTP 429 when connections per clients limit (`limits.http_max_conns_per_client`) has been reached. [[GH-8221](https://github.com/hashicorp/consul/issues/8221)]
* agent: add path_allowlist config option to restrict metrics proxy queries [[GH-9059](https://github.com/hashicorp/consul/issues/9059)]
* agent: allow the /v1/connect/intentions/match endpoint to use the agent cache [[GH-8875](https://github.com/hashicorp/consul/issues/8875)]
* api: The `v1/connect/ca/roots` endpoint now accepts a `pem=true` query parameter and will return a PEM encoded certificate chain of
all the certificates that would normally be in the JSON version of the response. [[GH-8774](https://github.com/hashicorp/consul/issues/8774)]
* agent: protect the metrics proxy behind ACLs [[GH-9099](https://github.com/hashicorp/consul/issues/9099)]
* api: The `v1/connect/ca/roots` endpoint now accepts a `pem=true` query parameter and will return a PEM encoded certificate chain of all the certificates that would normally be in the JSON version of the response. [[GH-8774](https://github.com/hashicorp/consul/issues/8774)]
* api: support GetMeta() and GetNamespace() on all config entry kinds [[GH-8764](https://github.com/hashicorp/consul/issues/8764)]
* autopilot: **(Enterprise Only)** Autopilot now supports using both Redundancy Zones and Automated Upgrades together. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
* checks: add health status to the failure message when gRPC healthchecks fail. [[GH-8726](https://github.com/hashicorp/consul/issues/8726)]
* chore: Update to Go 1.15 with mitigation for [golang/go#42138](https://github.com/golang/go/issues/42138) [[GH-9036](https://github.com/hashicorp/consul/issues/9036)]
* command: remove conditional envoy bootstrap generation for versions <=1.10.0 since those are not supported [[GH-8855](https://github.com/hashicorp/consul/issues/8855)]
* connect: The Vault provider will now automatically renew the lease of the token used, if supported. [[GH-8560](https://github.com/hashicorp/consul/issues/8560)]
* connect: add support for specifying load balancing policy in service-resolver [[GH-8585](https://github.com/hashicorp/consul/issues/8585)]
* deps: Update raft to v1.2.0 to prevent non-voters from becoming eligible for leader elections and adding peer id as metric label to reduce cardinality in metric names [[GH-8822](https://github.com/hashicorp/consul/issues/8822)]
* connect: intentions are now managed as a new config entry kind "service-intentions" [[GH-8834](https://github.com/hashicorp/consul/issues/8834)]
* raft: Update raft to v1.2.0 to prevent non-voters from becoming eligible for leader elections and adding peer id as metric label to reduce cardinality in metric names [[GH-8822](https://github.com/hashicorp/consul/issues/8822)]
* server: **(Consul Enterprise only)** ensure that we also shutdown network segment serf instances on server shutdown [[GH-8786](https://github.com/hashicorp/consul/issues/8786)]
* server: break up Intention.Apply monolithic method [[GH-9007](https://github.com/hashicorp/consul/issues/9007)]
* server: create new memdb table for storing system metadata [[GH-8703](https://github.com/hashicorp/consul/issues/8703)]
* server: make sure that the various replication loggers use consistent logging [[GH-8745](https://github.com/hashicorp/consul/issues/8745)]
* server: remove config entry CAS in legacy intention API bridge code [[GH-9151](https://github.com/hashicorp/consul/issues/9151)]
* snapshot agent: Deregister critical snapshotting TTL check if leadership is transferred.
* telemetry: All metrics should be present and available to prometheus scrapers when Consul starts. If any non-deprecated metrics are missing please submit an issue with its name. [[GH-9198](https://github.com/hashicorp/consul/issues/9198)]
* telemetry: add config flag `telemetry { disable_compat_1.9 = (true|false) }` to disable deprecated metrics in 1.9 [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* telemetry: add counter `consul.api.http` with labels for each HTTP path and method. This is intended to replace `consul.http...` [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* ui: Add the Upstreams and Exposed Paths tabs for services in mesh [[GH-9141](https://github.com/hashicorp/consul/issues/9141)]
* ui: Moves the Proxy health checks to be displayed with the Service health check under the Health Checks tab [[GH-9141](https://github.com/hashicorp/consul/issues/9141)]
* ui: Upstream and downstream services in the topology tab will show a visual indication if a deny intention or intention with L7 policies is configured. [[GH-8846](https://github.com/hashicorp/consul/issues/8846)]
* ui: add dashboard_url_template config option for external dashboard links [[GH-9002](https://github.com/hashicorp/consul/issues/9002)]
DEPRECATIONS:
* agent: The measurements in all of the `consul.http...` prefixed metrics have been migrated to `consul.api.http`. `consul.http...` prefixed metrics will be removed in a future version of Consul. [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* Go 1.15 has dropped support for 32-bit binaries for Darwin, so darwin_386 builds will not be available for any 1.9.x+ releases. [[GH-9036](https://github.com/hashicorp/consul/issues/9036)]
* agent: `ui`, `ui_dir` and `ui_content_path` are now deprecated for use in agent configuration files. Use `ui_config.{enable, dir, content_path}` instead. The command arguments `-ui`, `-ui-dir`, and `-ui-content-path` remain supported. [[GH-8694](https://github.com/hashicorp/consul/issues/8694)]
* telemetry: The measurements in all of the `consul.http...` prefixed metrics have been migrated to `consul.api.http`. `consul.http...` prefixed metrics will be removed in a future version of Consul. [[GH-8877](https://github.com/hashicorp/consul/issues/8877)]
* telemetry: the disable_compat_1.9 config will cover more metrics deprecations in future 1.9 point releases. These metrics will be emitted twice for backwards compatibility - if the flag is true, only the new metric name will be written. [[GH-9181](https://github.com/hashicorp/consul/issues/9181)]
BUG FIXES:
* agent: make the json/hcl decoding of ConnectProxyConfig fully work with CamelCase and snake_case [[GH-8741](https://github.com/hashicorp/consul/issues/8741)]
* agent: when enable_central_service_config is enabled ensure agent reload doesn't revert check state to critical [[GH-8747](https://github.com/hashicorp/consul/issues/8747)]
* api: Fixed a bug where the Check.GRPCUseTLS field could not be set using snake case. [[GH-8771](https://github.com/hashicorp/consul/issues/8771)]
* autopilot: **(Enterprise Only)** Previously servers in other zones would not be promoted when all servers in a second zone had failed. Now the actual behavior matches the docs and autopilot will promote a healthy non-voter from any zone to replace failure of an entire zone. [[GH-9103](https://github.com/hashicorp/consul/issues/9103)]
* autopilot: Prevent panic when requesting the autopilot health immediately after a leader is elected. [[GH-9204](https://github.com/hashicorp/consul/issues/9204)]
* command: when generating envoy bootstrap configs use the datacenter returned from the agent services endpoint [[GH-9229](https://github.com/hashicorp/consul/issues/9229)]
* connect: Fixed an issue where the Vault intermediate was not renewed in the primary datacenter. [[GH-8784](https://github.com/hashicorp/consul/issues/8784)]
* connect: fix Vault provider not respecting IntermediateCertTTL [[GH-8646](https://github.com/hashicorp/consul/issues/8646)]
* connect: fix connect sidecars registered via the API not being automatically deregistered with their parent service after an agent restart by persisting the LocallyRegisteredAsSidecar property. [[GH-8924](https://github.com/hashicorp/consul/issues/8924)]
* connect: use stronger validation that ingress gateways have compatible protocols defined for their upstreams [[GH-8470](https://github.com/hashicorp/consul/issues/8470)]
* fixed a bug that caused logs to be flooded with `[WARN] agent.router: Non-server in server-only area` [[GH-8685](https://github.com/hashicorp/consul/issues/8685)]
* license: (Enterprise only) Fixed an issue where the UI would see Namespaces and SSO as licensed when they were not.
* license: **(Enterprise only)** Fixed an issue where warnings about Namespaces being unlicensed would be emitted erroneously.
* namespace: **(Enterprise Only)** Fixed a bug that could case snapshot restoration to fail when it contained a namespace marked for deletion while still containing other resources in that namespace. [[GH-9156](https://github.com/hashicorp/consul/issues/9156)]
* namespace: **(Enterprise Only)** Fixed an issue where namespaced services and checks were not being deleted when the containing namespace was deleted.
* raft: (Enterprise only) properly update consul server meta non_voter for non-voting Enterprise Consul servers [[GH-8731](https://github.com/hashicorp/consul/issues/8731)]
* server: skip deleted and deleting namespaces when migrating intentions to config entries [[GH-9186](https://github.com/hashicorp/consul/issues/9186)]
* telemetry: fixed a bug that caused logs to be flooded with `[WARN] agent.router: Non-server in server-only area` [[GH-8685](https://github.com/hashicorp/consul/issues/8685)]
* ui: show correct datacenter for gateways [[GH-8704](https://github.com/hashicorp/consul/issues/8704)]
## 1.8.5 (October 23, 2020)