add vendoring with go dep

vendor/github.com/influxdata/influxdb/stress/README.md

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+# `influx_stress` usage and configuration
+
+The binary for `influx_stress` comes bundled with all influx installations. 
+To run it against an `influxd` instance located at  `localhost:8086` with the default configuration options:
+
+See more about the [default configuration options](https://github.com/influxdata/influxdb/blob/master/stress/stress.toml)
+
+```bash
+$ influx_stress
+```
+
+To run `influx_stress` with a configuration file:
+```bash
+$ influx_stress -config my_awesome_test.toml
+```
+
+To daemonize `influx_stress` and save the output to a results file:
+```bash
+$ influx_stress -config my_awesome_test.toml > my_awesome_test_out.txt 2>&1 &
+```
+
+To run multiple instances of `influx_stress` just change the `measurement` each test writes to, details below
+```bash
+$ influx_stress -config my_awesome_test1.toml > my_awesome_test_out1.txt 2>&1 &
+$ influx_stress -config my_awesome_test2.toml > my_awesome_test_out2.txt 2>&1 &
+```
+
+Below is a sample configuration file with comments explaining the different options
+```toml
+# The [provision] section creates a new database on the target instance for the stress test to write points to and perform queries against
+# This section can be deleted if the instance is manually configured. In that case make sure that the database referenced in [write] exists
+# The provisioner will try to delete the database before trying to recreate it.
+
+[provision]
+  [provision.basic]
+    # If set to false you can delete this section from the config
+    enabled = true
+    # address of the node to be provisioned
+    address = "<node1_ip>:8086"
+    # name of the database to create
+    database = "stress"
+    # This must be set to true
+    reset_database = true
+
+# The [write] section defines the shape of the generated data and configures the InfluxDB client
+[write]
+  # The [write.point_generator] defines the shape of the generated data
+  [write.point_generator]
+    [write.point_generator.basic]
+      # This needs to be set to true
+      enabled = true
+      # The total number of points a stress_test will write is determined by multiplying the following two numbers:
+      # point_count * series_count = total_points
+      # Number of points to write to the database for each series
+      point_count = 100
+      # Number of series to write to the database?
+      series_count = 100000
+      # This simulates collection interval in the timestamps of generated points
+      tick = "10s"
+      # This must be set to true
+      jitter = true
+      # The measurement name for the generated points
+      measurement = "cpu"
+      # The generated timestamps follow the pattern of { start_date + (n * tick) }
+      # This sequence is preserved for each series and is always increasing
+      start_date = "2006-Jan-02"
+      # Precision for generated points
+      # This setting MUST be the same as [write.influx_client.basic]precision
+      precision = "s"
+      # The '[[]]' in toml format indicates that the element is an array of items. 
+      # [[write.point_generator.basic.tag]] defines a tag on the generated points
+      # key is the tag key
+      # value is the tag value
+      # The first tag defined will have '-0' through '-{series_count}' added to the end of the string
+      [[write.point_generator.basic.tag]]
+        key = "host"
+        value = "server"
+      [[write.point_generator.basic.tag]]
+        key = "location"
+        value = "us-west"
+      # [[write.point_generator.basic.field]] defines a field on the generated points
+      # key is the field key
+      # value is the type of the field
+      [[write.point_generator.basic.field]]
+        key = "value"
+        # Can be either "float64", "int", "bool"
+        value = "float64"
+
+  # The [write.influx_client] defines what influx instances the stress_test targets
+  [write.influx_client]
+    [write.influx_client.basic]
+      # This must be set to true
+      enabled = true
+      # This is an array of addresses
+      # addresses = ["<node1_ip>:8086","<node2_ip>:8086","<node3_ip>:8086"] to target a cluster
+      addresses = ["<node1_ip>:8086"] # to target an individual node 
+      # This database in the in the target influx instance to write to
+      # This database MUST be created in the target instance or the test will fail
+      database = "stress"
+      # Write precision for points
+      # This setting MUST be the same as [write.point_generator.basic]precision
+      precision = "s"
+      # The number of point to write to the database with each POST /write sent
+      batch_size = 5000
+      # An optional amount of time for a worker to wait between POST requests
+      batch_interval = "0s"
+      # The number of workers to use to write to the database
+      # More workers == more load with diminishing returns starting at ~5 workers
+      # 10 workers provides a medium-high level of load to the database
+      concurrency = 10
+      # This must be set to false
+      ssl = false
+      # This must be set to "line_http"
+      format = "line_http"
+```