exoscale public cloud provider support

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/cloud-config.yml

@@ -0,0 +1,44 @@
+#cloud-config
+
+coreos:
+    units:
+      - name: exoscale-ssh-key.service
+        command: restart
+        runtime: yes
+        content: |
+          [Unit]
+          Description=Sets SSH key from metadata
+
+          [Service]
+          Type=oneshot
+          StandardOutput=journal+console
+          ExecStart=/usr/share/oem/bin/exoscale-ssh-key
+      - name: exoscale-network.service
+        command: restart
+        runtime: yes
+        content: |
+          [Unit]
+          Description=Optimize network parameters for performance
+
+          [Service]
+          Type=oneshot
+          StandardOutput=journal+console
+          ExecStart=/usr/share/oem/bin/exoscale-setup-network
+      - name: exoscale-cloudinit.service
+        command: restart
+        runtime: yes
+        content: |
+          [Unit]
+          Description=Cloudinit from exoscale (cloudstack-style) metadata
+          Requires=coreos-setup-environment.service
+          After=coreos-setup-environment.service
+
+          [Service]
+          Type=oneshot
+          EnvironmentFile=/etc/environment
+          ExecStart=/usr/share/oem/bin/exoscale-coreos-cloudinit
+    oem:
+      id: exoscale
+      name: exoscale
+      home-url: http://www.exoscale.ch
+      bug-report-url: https://github.com/coreos/coreos-overlay

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/coreos-setup-environment

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+#!/bin/bash
+
+ENV=$1
+
+if [[ -z "$ENV" ]]; then
+    echo "usage: $0 /etc/environment" >&2
+    exit 1
+fi
+
+# Make sure that the file is writable
+touch $ENV
+if [[ $? -ne 0 ]]; then
+    echo "$0: unable to modify ${ENV}" >&2
+    exit 1
+fi
+
+sed -i -e '/^COREOS_PUBLIC_IPV4=/d' \
+    -e '/^COREOS_PRIVATE_IPV4=/d' \
+    "${ENV}"
+
+. /usr/share/oem/bin/exoscale-dhcp
+
+DHCP_SERVER=$(get_dhcp_ip)
+METADATA_URL="http://${DHCP_SERVER}/latest/"
+
+block-until-url "${METADATA_URL}"
+
+PUBLIC_IP=$(curl --fail -s "${METADATA_URL}public-ipv4")
+echo COREOS_PUBLIC_IPV4=${PUBLIC_IP} >> $ENV
+
+PRIVATE_IP=$(curl --fail -s "${METADATA_URL}local-ipv4")
+echo COREOS_PRIVATE_IPV4=${PRIVATE_IP} >> $ENV

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/exoscale-coreos-cloudinit

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+. /usr/share/oem/bin/exoscale-dhcp
+
+DHCP_SERVER=$(get_dhcp_ip)
+USERDATA_URL="http://${DHCP_SERVER}/latest/user-data"
+
+block-until-url "${USERDATA_URL}"
+coreos-cloudinit --from-url="${USERDATA_URL}"

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/exoscale-dhcp

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+get_dhcp_ip() {
+    local leases_dir="/run/systemd/netif/leases"
+    while true; do
+        if [[ "$(find "${leases_dir}" -type f -size +1c)" ]]; then
+            break
+        fi
+        sleep .5
+    done
+
+    for leasefile in "${leases_dir}/"*; do
+        dhcp_server_ip=$(cat $leasefile | awk -F= '/SERVER_ADDRESS/ { print $2 }')
+        if [[ -n "${dhcp_server_ip}" ]]; then
+            metadata_url="http://${dhcp_server_ip}/latest/meta-data/"
+            curl --fail -s "${metadata_url}" >/dev/null
+            if [[ $? -eq 0 ]]; then
+                echo $dhcp_server_ip
+                break
+            fi
+        fi
+    done
+}

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/exoscale-setup-network

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+/usr/sbin/ethtool -K eth0 tso off gso off

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/files/exoscale-ssh-key

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+. /usr/share/oem/bin/exoscale-dhcp
+
+DHCP_SERVER=$(get_dhcp_ip)
+KEY_URL="http://${DHCP_SERVER}/latest/public-keys"
+
+block-until-url "${KEY_URL}"
+curl --fail -s "${KEY_URL}" | update-ssh-keys -a exoscale

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-exoscale/oem-exoscale-0.0.1.ebuild

@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Copyright (c) 2014 CoreOS, Inc.. All rights reserved.
+# Distributed under the terms of the GNU General Public License v2
+# $Header:$
+#
+
+EAPI=5
+
+DESCRIPTION="OEM suite for Exoscale images"
+HOMEPAGE=""
+SRC_URI=""
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="amd64 x86"
+IUSE=""
+
+# no source directory
+S="${WORKDIR}"
+
+src_install() {
+	into "/usr/share/oem"
+	dobin ${FILESDIR}/exoscale-dhcp
+	dobin ${FILESDIR}/exoscale-ssh-key
+	dobin ${FILESDIR}/exoscale-coreos-cloudinit
+	dobin ${FILESDIR}/coreos-setup-environment
+	dobin ${FILESDIR}/exoscale-setup-network
+
+	insinto "/usr/share/oem"
+	doins ${FILESDIR}/cloud-config.yml
+}