edge-18.12.3

Upgrade notes: The control plane components have been renamed as of the
edge-18.12.1 release to reduce possible naming collisions. To upgrade an
older installation, see the Upgrade Guide.

• CLI
  • Multiple improvements to the linkerd install config (thanks @codeman9!)
    • Use non-default service accounts for grafana and web deployments
    • Use emptyDir volume mount for prometheus and grafana pods
    • Set security context on control plane components to not run as root
  • Remove cluster-wide resources from single-namespace installs
    • Disable service profiles in single-namespace mode
    • Require that namespace already exist for single-namespace installs
  • Fix resource requests for proxy-injector container in --ha installs
• Controller
  • Block controller initialization until caches have synced with kube API
  • Fix proxy-api handling of named target ports in service configs
  • Add parameter to stats API to skip retrieving prometheus stats (thanks,
    @alpeb!)
• Web UI
  • Adjust label for unknown routes in route tables, add tooltip
  • Update Top Routes page to persist form settings in URL
  • Add button to create new service profiles on Top Routes page
  • Fix CLI commands displayed when linkerd is running in non-default namespace
• Proxy
  • Proxies with TLS enabled now honor ports configured to skip protocol detection

stable-2.1.0

Announcing Linkerd 2.1 🎈

This stable release introduces several major improvements, including per-route
metrics, service profiles, and a vastly improved dashboard UI. It also adds
several significant experimental features, including proxy auto-injection,
single namespace installs, and a high-availability mode for the control plane.

For more details, see the announcement blog post:
https://blog.linkerd.io/2018/12/06/announcing-linkerd-2-1/

To install this release, run: curl https://run.linkerd.io/install | sh

Upgrade notes: The control plane components have been renamed in this
release to reduce possible naming collisions. Please make sure to read the
upgrade instructions if you are upgrading from the stable-2.0.0 release.

Special thanks to: @alenkacz, @alpeb, @benjdlambert, @fahrradflucht,
@ffd2subroutine, @hypnoglow, @ihcsim, @lucab, and @rochacon.

Full release notes:

• CLI
  • linkerd routes command displays per-route stats for any resource
  • Service profiles are now supported for external authorities
  • linkerd profile --open-api flag generates a service profile
    based on an OpenAPI specification (swagger) file
  • linkerd routes command displays per-route stats for services with
    service profiles
  • Add --ha flag to linkerd install command, for HA
    deployment of the control plane
  • Update stat command to accept multiple stat targets
  • Fix authority stat filtering when the --from flag is present
  • Various improvements to check command, including:
    • Emit warnings instead of errors when not running the latest version
    • Add retries if control plane health check fails initially
    • Run all pre-install RBAC checks, instead of stopping at first failure
  • Fixed an issue with the --registry install flag not accepting
    hosts with ports
  • Added an --output stat flag, for printing stats as JSON
  • Updated the top table to set column widths dynamically
  • Added a --single-namespace install flag for installing
    the control plane with Role permissions instead of ClusterRole permissions
  • Added a --proxy-auto-inject flag to the install command,
    allowing for auto-injection of sidecar containers
  • Added --proxy-cpu and --proxy-memory flags to the install
    and inject commands, giving the ability to configure CPU + Memory requests
  • Added a --context flag to specify the context to use to talk
    to the Kubernetes apiserver
  • The namespace in which Linkerd is installed is configurable via the
    LINKERD_NAMESPACE env var, in addition to the --linkerd-namespace flag
  • The wait time for the check and dashboard commands is
    configurable via the --wait flag
  • The top command now aggregates by HTTP method as well
• Controller
  • Rename snake case fields to camel case in service profile spec
  • Controller components are now prefixed with linkerd- to
    prevent name collisions with existing resources
  • linkerd install --disable-h2-upgrade flag has been added to
    control automatic HTTP/2 upgrading
  • Fix auto injection issue on Kubernetes v1.9.11 that would
    merge, rather than append, the proxy container into the application
  • Fixed a few issues with auto injection via the proxy-injector webhook:
    • Injected pods now execute the linkerd-init container last, to avoid
      rerouting requests during pod init
    • Original pod labels and annotations are preserved when auto-injecting
  • CLI health check now uses unified endpoint for data plane checks
  • Include Licence files in all Docker images
• Proxy
  • The proxy's tap subsystem has been reimplemented to be more
    efficient and and reliable
    • The proxy now supports route metadata in tap queries and events
  • A potential HTTP/2 window starvation bug has been fixed
  • Prometheus counters now wrap properly for values greater than 2^53
  • Add controller client metrics, scoped under control_
  • Canonicalize outbound names via DNS for inbound profiles
  • Fix routing issue when a pod makes a request to itself
  • Only include classification label on response_total metric
  • Remove panic when failing to get remote address
  • Better logging in TCP connect error messages
• Web UI
  • Top routes page, served at /routes
  • Route metrics are now available in the resource detail pages for
    services with configured profiles
  • Service profiles can be created and downloaded from the Web UI
  • Top Routes page, served at /routes
  • Fixed a smattering of small UI issues
  • Added a new Grafana dashboard for authorities
  • Revamped look and feel of the Linkerd dashboard by switching
    component libraries from antd to material-ui
  • Added a Help section in the sidebar containing useful links
  • Tap and Top pages
    • Added clear button to query form
  • Resource Detail pages
    • Limit number of resources shown in the graph
  • Resource Detail page
    • Better rendering of the dependency graph at the top of the page
    • Unmeshed sources are now populated in the Inbound traffic table
    • Sources and destinations are aligned in the popover
  • Tap and Top pages
    • Additional validation and polish for the form controls
    • The top table clears older results when a new top call is started
    • The top table now aggregates by HTTP method as well

edge-18.12.2

Upgrade notes: The control plane components have been renamed as of the edge-18.12.1 release to reduce possible naming collisions. To upgrade an older installation, see the Upgrade Guide.

• Controller
  • Rename snake case fields to camel case in service profile spec

edge-18.12.1

Upgrade notes: The control plane components have been renamed in this release to
reduce possible naming collisions. To upgrade an existing installation:

• Install new CLI: curl https://run.linkerd.io/install-edge | sh
• Install new control plane: linkerd install | kubectl apply -f -
• Remove old deploys/cms:
  kubectl -n linkerd get deploy,cm -oname | grep -v linkerd | xargs kubectl -n linkerd delete
• Re-inject your applications: linkerd inject my-app.yml | kubectl apply -f -
• Remove old services:
  kubectl -n linkerd get svc -oname | grep -v linkerd | xargs kubectl -n linkerd delete

For more information, see the Upgrade Guide.

• CLI
  • Improved linkerd routes command displays per-route stats for any resource!
  • New Service profiles are now supported for external authorities!
  • New linkerd routes --open-api flag generates a service profile
    based on an OpenAPI specification (swagger) file
• Web UI
  • New Top routes page, served at /routes
  • New Route metrics are now available in the resource detail pages for
    services with configured profiles
  • New Service profiles can be created and downloaded from the Web UI
• Controller
  • Improved Controller components are now prefixed with linkerd- to
    prevent name collisions with existing resources
  • New linkerd install --disable-h2-upgrade flag has been added to
    control automatic HTTP/2 upgrading
• Proxy
  • Improved The proxy's tap subsystem has been reimplemented to be more
    efficient and and reliable
    • The proxy now supports route metadata in tap queries and events
  • Fixed A potential HTTP/2 window starvation bug has been fixed
  • Fixed Prometheus counters now wrap properly for values greater than
    2^53 (thanks, @lucab!)

edge-18.11.3

• CLI
  • New linkerd routes command displays per-route stats for services with service profiles
  • Experimental Add --ha flag to linkerd install command, for HA deployment of the control plane (thanks @benjdlambert!)
• Web UI
  • Experimental Top Routes page, served at /routes
• Controller
  • Fixed Fix auto injection issue on Kubernetes v1.9.11 that would merge, rather than append, the proxy container into the application
• Proxy
  • Improved Add controller client metrics, scoped under control_
  • Improved Canonicalize outbound names via DNS for inbound profiles

edge-18.11.2

This is an edge release of Linkerd! The latest stable release is stable-2.0.0.

To install this edge release, run:
curl https://run.linkerd.io/install-edge | sh

• CLI
  • Improved Update stat command to accept multiple stat targets
  • Fixed Fix authority stat filtering when the --from flag is present
  • Various improvements to check command, including:
    • Emit warnings instead of errors when not running the latest version
    • Add retries if control plane health check fails initially
    • Run all pre-install RBAC checks, instead of stopping at first failure
• Proxy / Proxy-Init
  • Fixed Fix routing issue when a pod makes a request to itself (#1585)
  • Only include classification label on response_total metric

edge-18.11.1

This is an edge release of Linkerd! The latest stable release is stable-2.0.0.

To install this edge release, run:
curl https://run.linkerd.io/install-edge | sh

• Proxy
  • Fixed Remove panic when failing to get remote address
  • Improved Better logging in TCP connect error messages
• Web UI
  • Improved Fixed a smattering of small UI issues

edge-18.10.4

This release includes a major redesign of the web frontend to make use of the
Material design system. Additional features that leverage the new design are
coming soon! This release also includes the following changes:

• CLI
  • Fixed Fixed an issue with the --registry install flag not accepting
    hosts with ports (thanks, @alenkacz!)
• Web UI
  • New Added a new Grafana dashboard for authorities (thanks, @alpeb!)
  • New Revamped look and feel of the Linkerd dashboard by switching
    component libraries from antd to material-ui

edge-18.10.3

This is an edge release of Linkerd! The latest stable release is stable-2.0.0.

To install this edge release, run: curl https://run.linkerd.io/install-edge | sh

• CLI
  • New Added an --output stat flag, for printing stats as JSON
  • Improved Updated the top table to set column widths dynamically
  • Experimental Added a --single-namespace install flag for installing
    the control plane with Role permissions instead of ClusterRole permissions
• Controller
  • Fixed a few issues with auto injection via the proxy-injector webhook:
    • Injected pods now execute the linkerd-init container last, to avoid
      rerouting requests during pod init
    • Original pod labels and annotations are preserved when auto-injecting
• Web UI
  • New Added a Help section in the sidebar containing useful links

edge-18.10.2

This release brings major improvements to the CLI as described below, including
support for auto-injecting deployments via a Kubernetes Admission Controller.
Proxy auto-injection is experimental, and the implementation may change
going forward.

• CLI
  • New Added a --proxy-auto-inject flag to the install command,
    allowing for auto-injection of sidecar containers (Thanks @ihcsim!)
  • Improved Added --proxy-cpu and --proxy-memory flags to the install
    and inject commands, giving the ability to configure CPU + Memory requests
    (Thanks @benjdlambert!)
  • Improved Added a --context flag to specify the context to use to talk
    to the Kubernetes apiserver (Thanks @ffd2subroutine!)