Add new package: influxdb (spack#17909)

* Add new package: influxdb

* put usr/* in prefix

var/spack/repos/builtin/packages/influxdb/package.py

@@ -0,0 +1,37 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+import platform
+
+_versions = {
+    '1.8.1': {
+        'Linux_amd64': ('64e60e438ac8a8fdacc6623f238c40bffae31c795642146d70eb316533d3d70f', 'https://dl.influxdata.com/influxdb/releases/influxdb-1.8.1-static_linux_amd64.tar.gz'),
+        'Linux_aarch64': ('fd5d7c962827ab1ccae27f6504595fdcd30c20d505b8e07d8573e274824e1366', 'https://dl.influxdata.com/influxdb/releases/influxdb-1.8.1_linux_arm64.tar.gz')},
+    '1.8.0': {
+        'Linux_amd64': ('aedc5083ae2e61ef374dbde5044ec2a5b27300e73eb92ccd135e6ff9844617e2', 'https://dl.influxdata.com/influxdb/releases/influxdb-1.8.0-static_linux_amd64.tar.gz'),
+        'Linux_aarch64': ('e76c36c10e46c2fd17820156b290dd776a465da0298496af5d490e555504b079', 'https://dl.influxdata.com/influxdb/releases/influxdb-1.8.0_linux_arm64.tar.gz')},
+}
+
+
+class Influxdb(Package):
+    """InfluxDB is an open source time series platform."""
+
+    homepage = "https://influxdata.com/"
+    url      = "https://dl.influxdata.com/influxdb/releases/influxdb-1.8.1-static_linux_amd64.tar.gz"
+
+    for ver, packages in _versions.items():
+        key = "{0}_{1}".format(platform.system(), platform.machine())
+        pkg = packages.get(key)
+        if pkg:
+            version(ver, sha256=pkg[0], url=pkg[1])
+
+    def setup_run_environment(self, env):
+        env.prepend_path('PATH', self.prefix.usr.bin)
+
+    def install(self, spec, prefix):
+        install_tree('usr', prefix)
+        install_tree('etc', prefix.etc)
+        install_tree('var', prefix.var)