370 lines
18 KiB
Markdown
370 lines
18 KiB
Markdown
## 0.4.0 (UNRELEASED)
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__BACKWARDS INCOMPATIBILITIES:__
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* api: Tasks are no longer allowed to have slashes in their name [GH-1210]
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* cli: Remove the eval-monitor command. Users should switch to `nomad
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eval-status -monitor`.
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IMPROVEMENTS:
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* core: Scheduler reuses blocked evaluations to avoid unbounded creation of
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evaluations under high contention [GH-1199]
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* core: Scheduler stores placement failures in evaluations, no longer
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generating failed allocations for debug information [GH-1188]
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* api: Faster JSON response encoding [GH-1182]
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* api: Gzip compress HTTP API requests [GH-1203]
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* api: Plan api introduced for the Job endpoint [GH-1168]
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* cli: Deprecate `eval-monitor` and introduce `eval-status` [GH-1206]
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* cli: Unify the `fs` family of commands to be a single command [GH-1150]
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* cli: Introduce `nomad plan` to dry-run a job through the scheduler and
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determine its effects [GH-1181]
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BUG FIXES:
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* core: Fix a potential deadlock if establishing leadership fails and is
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retried [GH-1231]
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* core: Do not restart successful batch jobs when the node is removed/drained
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[GH-1205]
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* core: Updated User, Meta or Resources in a task cause create/destroy updates
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[GH-1128, GH-1153]
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* core: Fix blocked evaluations being run without properly accounting for
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priority [GH-1183]
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* api: Tasks are no longer allowed to have slashes in their name [GH-1210]
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* client: Delete temp files used to communicate with execcutor [GH-1241]
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* discovery: Ensure service and check names are unique [GH-1143, GH-1144]
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## 0.3.2 (April 22, 2016)
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IMPROVEMENTS:
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* core: Garbage collection partitioned to avoid system delays [GH-1012]
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* core: Allow count zero task groups to enable blue/green deploys [GH-931]
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* core: Validate driver configurations when submitting jobs [GH-1062, GH-1089]
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* core: Job Deregister forces an evaluation for the job even if it doesn't
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exist [GH-981]
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* core: Rename successfully finished allocations to "Complete" rather than
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"Dead" for clarity [GH-975]
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* cli: `alloc-status` explains restart decisions [GH-984]
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* cli: `node-drain -self` drains the local node [GH-1068]
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* cli: `node-status -self` queries the local node [GH-1004]
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* cli: Destructive commands now require confirmation [GH-983]
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* cli: `alloc-status` display is less verbose by default [GH-946]
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* cli: `server-members` displays the current leader in each region [GH-935]
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* cli: `run` has an `-output` flag to emit a JSON version of the job [GH-990]
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* cli: New `inspect` command to display a submitted job's specification
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[GH-952]
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* cli: `node-status` display is less verbose by default and shows a node's
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total resources [GH-946]
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* client: `artifact` source can be interpreted [GH-1070]
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* client: Add IP and Port environment variables [GH-1099]
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* client: Nomad fingerprinter to detect client's version [GH-965]
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* client: Tasks can interpret Meta set in the task group and job [GH-985]
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* client: All tasks in a task group are killed when a task fails [GH-962]
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* client: Pass environment variables from host to exec based tasks [GH-970]
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* client: Allow task's to be run as particular user [GH-950, GH-978]
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* client: `artifact` block now supports downloading paths relative to the
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task's directory [GH-944]
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* docker: Timeout communications with Docker Daemon to avoid deadlocks with
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misbehaving Docker Daemon [GH-1117]
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* discovery: Support script based health checks [GH-986]
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* discovery: Allowing registration of services which don't expose ports
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[GH-1092]
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* driver/docker: Support for `tty` and `interactive` options [GH-1059]
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* jobspec: Improved validation of services referencing port labels [GH-1097]
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* periodic: Periodic jobs are always evaluated in UTC timezone [GH-1074]
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BUG FIXES:
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* core: Prevent garbage collection of running batch jobs [GH-989]
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* core: Trigger System scheduler when Node drain is disabled [GH-1106]
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* core: Fix issue where in-place updated allocation double counted resources
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[GH-957]
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* core: Fix drained, batched allocations from being migrated indefinitely
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[GH-1086]
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* client: Garbage collect Docker containers on exit [GH-1071]
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* client: Fix common exec failures on CentOS and Amazon Linux [GH-1009]
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* client: Fix S3 artifact downloading with IAM credentials [GH-1113]
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* client: Fix handling of environment variables containing multiple equal
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signs [GH-1115]
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## 0.3.1 (March 16, 2016)
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__BACKWARDS INCOMPATIBILITIES:__
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* Service names that dont conform to RFC-1123 and RFC-2782 will fail
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validation. To fix, change service name to conform to the RFCs before
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running the job [GH-915]
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* Jobs that downloaded artifacts will have to be updated to the new syntax and
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be resubmitted. The new syntax consolidates artifacts to the `task` rather
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than being duplicated inside each driver config [GH-921]
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IMPROVEMENTS:
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* cli: Validate job file schemas [GH-900]
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* client: Add environment variables for task name, allocation ID/Name/Index
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[GH-869, GH-896]
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* client: Starting task is retried under the restart policy if the error is
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recoverable [GH-859]
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* client: Allow tasks to download artifacts, which can be archives, prior to
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starting [GH-921]
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* config: Validate Nomad configuration files [GH-910]
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* config: Client config allows reserving resources [GH-910]
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* driver/docker: Support for ECR [GH-858]
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* driver/docker: Periodic Fingerprinting [GH-893]
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* driver/docker: Preventing port reservation for log collection on Unix platforms [GH-897]
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* driver/rkt: Pass DNS information to rkt driver [GH-892]
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* jobspec: Require RFC-1123 and RFC-2782 valid service names [GH-915]
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BUG FIXES:
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* core: No longer cancel evaluations that are delayed in the plan queue
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[GH-884]
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* api: Guard client/fs/ APIs from being accessed on a non-client node [GH-890]
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* client: Allow dashes in variable names during interprelation [GH-857]
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* client: Updating kill timeout adheres to operator specified maximum value [GH-878]
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* client: Fix a case in which clients would pull but not run allocations
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[GH-906]
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* consul: Remove concurrent map access [GH-874]
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* driver/exec: Stopping tasks with more than one pid in a cgroup [GH-855]
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* executor/linux: Add /run/resolvconf/ to chroot so DNS works [GH-905]
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## 0.3.0 (February 25, 2016)
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__BACKWARDS INCOMPATIBILITIES:__
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* Stdout and Stderr log files of tasks have moved from task/local to
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alloc/logs [GH-851]
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* Any users of the runtime environment variable `$NOMAD_PORT_` will need to
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update to the new `${NOMAD_ADDR_}` varriable [GH-704]
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* Service names that include periods will fail validation. To fix, remove any
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periods from the service name before running the job [GH-770]
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* Task resources are now validated and enforce minimum resources. If a job
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specifies resources below the minimum they will need to be updated [GH-739]
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* Node ID is no longer specifiable. For users who have set a custom Node
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ID, the node should be drained before Nomad is updated and the data_dir
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should be deleted before starting for the first time [GH-675]
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* Users of custom restart policies should update to the new syntax which adds
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a `mode` field. The `mode` can be either `fail` or `delay`. The default for
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`batch` and `service` jobs is `fail` and `delay` respectively [GH-594]
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* All jobs that interpret variables in constraints or driver configurations
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will need to be updated to the new syntax which wraps the interpreted
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variable in curly braces. (`$node.class` becomes `${node.class}`) [GH-760]
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IMPROVEMENTS:
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* core: Populate job status [GH-663]
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* core: Cgroup fingerprinter [GH-712]
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* core: Node class constraint [GH-618]
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* core: User specifiable kill timeout [GH-624]
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* core: Job queueing via blocked evaluations [GH-726]
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* core: Only reschedule failed batch allocations [GH-746]
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* core: Add available nodes by DC to AllocMetrics [GH-619]
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* core: Improve scheduler retry logic under contention [GH-787]
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* core: Computed node class and stack optimization [GH-691, GH-708]
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* core: Improved restart policy with more user configuration [GH-594]
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* core: Periodic specification for jobs [GH-540, GH-657, GH-659, GH-668]
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* core: Batch jobs are garbage collected from the Nomad Servers [GH-586]
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* core: Free half the CPUs on leader node for use in plan queue and evaluation
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broker [GH-812]
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* core: Seed random number generator used to randomize node traversal order
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during scheduling [GH-808]
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* core: Performance improvements [GH-823, GH-825, GH-827, GH-830, GH-832,
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GH-833, GH-834, GH-839]
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* core/api: System garbage collection endpoint [GH-828]
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* core/api: Allow users to set arbitrary headers via agent config [GH-699]
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* core/cli: Prefix based lookups of allocs/nodes/evals/jobs [GH-575]
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* core/cli: Print short identifiers and UX cleanup [GH-675, GH-693, GH-692]
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* core/client: Client pulls minimum set of required allocations [GH-731]
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* cli: Output of agent-info is sorted [GH-617]
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* cli: Eval monitor detects zero wait condition [GH-776]
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* cli: Ability to navigate allocation directories [GH-709, GH-798]
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* client: Batch allocation updates to the server [GH-835]
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* client: Log rotation for all drivers [GH-685, GH-763, GH-819]
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* client: Only download artifacts from http, https, and S3 [GH-841]
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* client: Create a tmp/ directory inside each task directory [GH-757]
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* client: Store when an allocation was received by the client [GH-821]
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* client: Heartbeating and saving state resilient under high load [GH-811]
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* client: Handle updates to tasks Restart Policy and KillTimeout [GH-751]
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* client: Killing a driver handle is retried with an exponential backoff
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[GH-809]
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* client: Send Node to server when periodic fingerprinters change Node
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attributes/metadata [GH-749]
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* client/api: File-system access to allocation directories [GH-669]
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* drivers: Validate the "command" field contains a single value [GH-842]
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* drivers: Interpret Nomad variables in environment variables/args [GH-653]
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* driver/rkt: Add support for CPU/Memory isolation [GH-610]
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* driver/rkt: Add support for mounting alloc/task directory [GH-645]
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* driver/docker: Support for .dockercfg based auth for private registries
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[GH-773]
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BUG FIXES:
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* core: Node drain could only be partially applied [GH-750]
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* core: Fix panic when eval Ack occurs at delivery limit [GH-790]
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* cli: Handle parsing of un-named ports [GH-604]
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* cli: Enforce absolute paths for data directories [GH-622]
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* client: Cleanup of the allocation directory [GH-755]
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* client: Improved stability under high contention [GH-789]
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* client: Handle non-200 codes when parsing AWS metadata [GH-614]
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* client: Unmounted of shared alloc dir when client is rebooted [GH-755]
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* client/consul: Service name changes handled properly [GH-766]
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* driver/rkt: handle broader format of rkt version outputs [GH-745]
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* driver/qemu: failed to load image and kvm accelerator fixes [GH-656]
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## 0.2.3 (December 17, 2015)
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BUG FIXES:
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* core: Task States not being properly updated [GH-600]
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* client: Fixes for user lookup to support CoreOS [GH-591]
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* discovery: Using a random prefix for nomad managed services [GH-579]
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* discovery: De-Registering Tasks while Nomad sleeps before failed tasks are
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restarted.
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* discovery: Fixes for service registration when multiple allocations are bin
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packed on a node [GH-583]
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* configuration: Sort configuration files [GH-588]
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* cli: RetryInterval was not being applied properly [GH-601]
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## 0.2.2 (December 11, 2015)
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IMPROVEMENTS:
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* core: Enable `raw_exec` driver in dev mode [GH-558]
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* cli: Server join/retry-join command line and config options [GH-527]
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* cli: Nomad reports which config files are loaded at start time, or if none
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are loaded [GH-536], [GH-553]
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BUG FIXES:
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* core: Send syslog to `LOCAL0` by default as previously documented [GH-547]
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* client: remove all calls to default logger [GH-570]
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* consul: Nomad is less noisy when Consul is not running [GH-567]
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* consul: Nomad only deregisters services that it created [GH-568]
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* driver/exec: Shutdown a task now sends the interrupt signal first to the
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process before forcefully killing it. [GH-543]
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* driver/docker: Docker driver no longer leaks unix domain socket connections
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[GH-556]
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* fingerprint/network: Now correctly detects interfaces on Windows [GH-382]
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## 0.2.1 (November 28, 2015)
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IMPROVEMENTS:
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* core: Can specify a whitelist for activating drivers [GH-467]
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* core: Can specify a whitelist for activating fingerprinters [GH-488]
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* core/api: Can list all known regions in the cluster [GH-495]
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* client/spawn: spawn package tests made portable (work on Windows) [GH-442]
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* client/executor: executor package tests made portable (work on Windows) [GH-497]
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* client/driver: driver package tests made portable (work on windows) [GH-502]
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* client/discovery: Added more consul client api configuration options [GH-503]
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* driver/docker: Added TLS client options to the config file [GH-480]
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* jobspec: More flexibility in naming Services [GH-509]
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BUG FIXES:
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* core: Shared reference to DynamicPorts caused port conflicts when scheduling
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count > 1 [GH-494]
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* client/restart policy: Not restarting Batch Jobs if the exit code is 0 [GH-491]
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* client/service discovery: Make Service IDs unique [GH-479]
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* client/service: Fixes update to check definitions and services which are already registered [GH-498]
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* driver/docker: Expose the container port instead of the host port [GH-466]
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* driver/docker: Support `port_map` for static ports [GH-476]
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* driver/docker: Pass 0.2.0-style port environment variables to the docker container [GH-476]
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* jobspec: distinct_hosts constraint can be specified as a boolean (previously panicked) [GH-501]
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## 0.2.0 (November 18, 2015)
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__BACKWARDS INCOMPATIBILITIES:__
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* core: HTTP API `/v1/node/<id>/allocations` returns full Allocation and not
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stub [GH-402]
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* core: Removed weight and hard/soft fields in constraints [GH-351]
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* drivers: Qemu and Java driver configurations have been updated to both use
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`artifact_source` as the source for external images/jars to be ran
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* jobspec: New reserved and dynamic port specification [GH-415]
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* jobspec/drivers: Driver configuration supports arbitrary struct to be
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passed in jobspec [GH-415]
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FEATURES:
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* core: Blocking queries supported in API [GH-366]
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* core: System Scheduler that runs tasks on every node [GH-287]
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* core: Regexp, version and lexical ordering constraints [GH-271]
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* core: distinctHost constraint ensures Task Groups are running on distinct
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clients [GH-321]
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* core: Service block definition with Consul registration [GH-463, GH-460,
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GH-458, GH-455, GH-446, GH-425]
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* client: GCE Fingerprinting [GH-215]
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* client: Restart policy for task groups enforced by the client [GH-369,
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GH-393]
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* driver/rawexec: Raw Fork/Exec Driver [GH-237]
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* driver/rkt: Experimental Rkt Driver [GH-165, GH-247]
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* drivers: Add support for downloading external artifacts to execute for
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Exec, Raw exec drivers [GH-381]
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IMPROVEMENTS:
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* core: Configurable Node GC threshold [GH-362]
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* core: Overlap plan verification and plan application for increased
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throughput [GH-272]
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* cli: Output of `alloc-status` also displays task state [GH-424]
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* cli: Output of `server-members` is sorted [GH-323]
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* cli: Show node attributes in `node-status` [GH-313]
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* client/fingerprint: Network fingerprinter detects interface suitable for
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use, rather than defaulting to eth0 [GH-334, GH-356]
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* client: Client Restore State properly reattaches to tasks and recreates
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them as needed [GH-364, GH-380, GH-388, GH-392, GH-394, GH-397, GH-408]
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* client: Periodic Fingerprinting [GH-391]
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* client: Precise snapshotting of TaskRunner and AllocRunner [GH-403, GH-411]
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* client: Task State is tracked by client [GH-416]
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* client: Test Skip Detection [GH-221]
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* driver/docker: Can now specify auth for docker pull [GH-390]
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* driver/docker: Can now specify DNS and DNSSearch options [GH-390]
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* driver/docker: Can now specify the container's hostname [GH-426]
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* driver/docker: Containers now have names based on the task name. [GH-389]
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* driver/docker: Mount task local and alloc directory to docker containers [GH-290]
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* driver/docker: Now accepts any value for `network_mode` to support userspace networking plugins in docker 1.9
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* driver/java: Pass JVM options in java driver [GH-293, GH-297]
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* drivers: Use BlkioWeight rather than BlkioThrottleReadIopsDevice [GH-222]
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* jobspec and drivers: Driver configuration supports arbitrary struct to be passed in jobspec [GH-415]
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BUG FIXES:
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* core: Nomad Client/Server RPC codec encodes strings properly [GH-420]
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* core: Reset Nack timer in response to scheduler operations [GH-325]
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* core: Scheduler checks for updates to environment variables [GH-327]
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* cli: Fix crash when -config was given a directory or empty path [GH-119]
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* client/fingerprint: Use correct local interface on OS X [GH-361, GH-365]
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* client: Nomad Client doesn't restart failed containers [GH-198]
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* client: Reap spawn-daemon process, avoiding a zombie process [GH-240]
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* client: Resource exhausted errors because of link-speed zero [GH-146,
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GH-205]
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* client: Restarting Nomad Client leads to orphaned containers [GH-159]
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* driver/docker: Apply SELinux label for mounting directories in docker
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[GH-377]
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* driver/docker: Docker driver exposes ports when creating container [GH-212,
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GH-412]
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* driver/docker: Docker driver uses docker environment variables correctly
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[GH-407]
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* driver/qemu: Qemu fingerprint and tests work on both windows/linux [GH-352]
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## 0.1.2 (October 6, 2015)
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IMPROVEMENTS:
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* client: Nomad client cleans allocations on exit when in dev mode [GH-214]
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* drivers: Use go-getter for artifact retrieval, add artifact support to
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Exec, Raw Exec drivers [GH-288]
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## 0.1.1 (October 5, 2015)
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IMPROVEMENTS:
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* cli: Nomad Client configurable from command-line [GH-191]
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* client/fingerprint: Native IP detection and user specifiable network
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interface for fingerprinting [GH-189]
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* driver/docker: Docker networking mode is configurable [GH-184]
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* drivers: Set task environment variables [GH-206]
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BUG FIXES:
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* client/fingerprint: Network fingerprinting failed if default network
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interface did not exist [GH-189]
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* client: Fixed issue where network resources throughput would be set to 0
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MBits if the link speed could not be determined [GH-205]
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* client: Improved detection of Nomad binary [GH-181]
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* driver/docker: Docker dynamic port mapping were not being set properly
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[GH-199]
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## 0.1.0 (September 28, 2015)
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* Initial release
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