build: Rework patch mechanism for Fuel submodules

While refactoring the patching mechanism, take care of:
- Sync submodule handling with Fuel@OPFNV;
- build: Investigate/prepare for moving patches to Fuel@OPNFV;
- build: Investigate divergent fuel-mirror;
- ISO build: cacheid for Fuel comps should not depend on
  Armband git commit;

CHANGE:
 Rename/shuffle patches while grouping them in "features",
 preparing for upstreaming them to Fuel@OPNFV and beyond.

CHANGE:
 Allow linking patches for better representing the dependency
 between one patch and different features.
 e.g. 0001-Add-arch-to-nailgun-release-and-target-image.patch:
   - part of `multiarch-fuel`, because it extends Fuel;
   - part of `direct-kernel-boot`, as arch is required for that;
   - part of `cross-bootstrap`, target image is arch-dependent;
 NOTE: Patch links are not staged to Fuel@OPNFV, they only serve
 as markers that a specific patch is part of a feature.

CHANGE:
 Kill all Fuel component submodules, now handled in Fuel@OPNFV:
  - fuel-agent
  - fuel-astute
  - fuel-library
  - fuel-mirror
  - fuel-nailgun-agent
  - fuel-web

CHANGE:
 Move armband-fuel-config.mk to armband git root.

FIXME: m1.micro-Increase-profile-RAM-size-to-128MB.patch is NOT
 part of `cross-bootstrap` feature, but patch context says so ...

FIXME: 0001-Add-arm64-deb-repositories-setup.patch is broken at
 `make patches-export` by removing spaces at EOL.

v2 -> v3:
 * Phony patch support (links to show a patch belongs to a feature);
 * Updated README.md
v3 -> v7:
 * Re-export Fuel submodules & plugins patches (update patch context);
 * Update Cavium mail addresses (s/caviumnetworks.com/cavium.com/);
 * Ignore submodule changes;
 * Add armband git repo info to gitinfo_fuel.txt at build time;

Implements: ARMBAND-136
Closes-bug: ARMBAND-95
Closes-bug: ARMBAND-93
Closes-bug: ARMBAND-92

Change-Id: I1a236d9f43b2e6dca22055911f696b43c22b5973
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/patches/fuel-library/upstream-backports/0001-Set-net.ipv4.ip_nonlocal_bind-1-for-vrouter-namespac.patch b/patches/fuel-library/upstream-backports/0001-Set-net.ipv4.ip_nonlocal_bind-1-for-vrouter-namespac.patch
new file mode 100644
index 00000000..281ef231
--- /dev/null
+++ b/patches/fuel-library/upstream-backports/0001-Set-net.ipv4.ip_nonlocal_bind-1-for-vrouter-namespac.patch
@@ -0,0 +1,54 @@
+From: Bartosz Kupidura <bkupidura@mirantis.com>
+Date: Mon, 27 Jun 2016 13:12:29 +0200
+Subject: [PATCH] Set net.ipv4.ip_nonlocal_bind=1 for vrouter namespace
+
+Change-Id: I123af7e3b53f9a53fcd9d2818640c0bd4699e024
+Closes-Bug: #1595957
+(cherry picked from commit 244456a3b77074a6cd85fa9d33ebb03ac25decf8)
+---
+ files/fuel-ha-utils/ocf/ns_dns     | 3 ++-
+ files/fuel-ha-utils/ocf/ns_vrouter | 3 ++-
+ 2 files changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/files/fuel-ha-utils/ocf/ns_dns b/files/fuel-ha-utils/ocf/ns_dns
+index cdd814c..49cbd17 100644
+--- a/files/fuel-ha-utils/ocf/ns_dns
++++ b/files/fuel-ha-utils/ocf/ns_dns
+@@ -140,7 +140,7 @@ exit $OCF_SUCCESS
+
+ check_ns() {
+   local ns=`ip netns list | grep "$OCF_RESKEY_ns"`
+-  [ $ns != $OCF_RESKEY_ns ] && return $OCF_ERR_GENERIC
++  [ "$ns" != $OCF_RESKEY_ns ] && return $OCF_ERR_GENERIC
+   return $OCF_SUCCESS
+ }
+
+@@ -150,6 +150,7 @@ get_ns() {
+
+   ocf_run ip netns add $OCF_RESKEY_ns
+   rc=$?
++  ocf_run $RUN_IN_NS /sbin/sysctl -w net.ipv4.ip_nonlocal_bind=1
+   ocf_run $RUN_IN_NS ip link set up dev lo
+
+   return $rc
+diff --git a/files/fuel-ha-utils/ocf/ns_vrouter b/files/fuel-ha-utils/ocf/ns_vrouter
+index a65e9cf..5cc6c98 100644
+--- a/files/fuel-ha-utils/ocf/ns_vrouter
++++ b/files/fuel-ha-utils/ocf/ns_vrouter
+@@ -186,7 +186,7 @@ check_ns() {
+   local LH="${LL} check_ns():"
+   local ns=`ip netns list | grep "$OCF_RESKEY_ns"`
+   ocf_log debug "${LH} recieved netns list: ${ns}"
+-  [[ $ns != $OCF_RESKEY_ns ]] && return $OCF_ERR_GENERIC
++  [[ "$ns" != $OCF_RESKEY_ns ]] && return $OCF_ERR_GENERIC
+   return $OCF_SUCCESS
+ }
+
+@@ -197,6 +197,7 @@ get_ns() {
+
+   ocf_run ip netns add $OCF_RESKEY_ns
+   rc=$?
++  ocf_run $RUN_IN_NS /sbin/sysctl -w net.ipv4.ip_nonlocal_bind=1
+   ocf_run $RUN_IN_NS ip link set up dev lo
+   ocf_log debug "${LH} added netns ${OCF_RESKEY_ns} and set up lo"
+