[iec] Add basic CentOS support (virtual only)

- reclass: iec: CentOS compatibility changes:
  * drop `proto: static` in favor of letting the linux formula set
    the appropiate default based on target OS;
  * replace `proto: manual` with `proto: none` on RHEL systems;
  * system.file: Avoid using non-existing `shadow` group for system
    files;
  * load br_netfilter kernel module to avoid `linux.network` state
    failures;
  * disable `at`, `cron` due to incomplete defaults in
    salt-formula-linux (since we don't use them on iec nodes anyway);
- jumpserver/VCP VMs: centos: enable predictable interface names:
  * CentOS cloud image defaults to old 'eth' naming scheme;
  * add necessary kernel boot options via linux state;
  * cleanup auto-generated udev rules for old eth interface names;
- salt-formula-linux: network: RHEL: Set bridge for member interfaces
  * Find the bridge containing the interface being currently
    configured (if any) and pass it to the `network.managed` Salt call;
- deploy.sh: Add new deploy argument `-o` for specifying the operating
  system to preinstall on jumpserver and/or VCP VMs;
  * defaults to 'ubuntu1604';
  * only iec scenarios will also support 'centos' for now;
- user-data: minor tweaks for CentOS compatability:
  * use `systemctl` instead of `service` utility;
  * explicitly enable `salt-minion` service, since it defaults to
    disabled on RHEL systems;
  * explicitly call `ldconfig` to work around stale cache on RHEL,
    preventing `salt-minion` from using OpenSSL library;
- states: virtual_init: Skip non-existing sysctl options on CentOS:
  * CentOS currently uses a 3.x kernel which lacks certain sysctl
    options that were only introduced in 4.x kernels, so skip them;
- state: akraino_iec: Add centos support:
  * move iec repo to `/var/lib/akraino/iec` on both Salt Master and
    cluster nodes;
- scenario defaults: Add CentOS configuration:
  * OS-dependent configuration split;
  * CentOS base image, default packages etc.;
- AArch64 deploy requirements: Add `xz` dependency
  * CentOS AArch64 cloud image is archived using xz, install xz tools
    for decompression;
- xdf_data: Make yaml parsing OS agnostic:
  * rename `apt` to `repo` where appropiate;
  * OS-dependent configuration parsing;
- lib_jump_deploy: CentOS handling changes:
  * skip filesystem resize of cloud image for CentOS;
  * add repo handling, package intallation/removal handling for CentOS;
  * unxz base image if necessary (CentOS AArch64 cloud image);

Change-Id: Ic3538bacd53198701ff4ef77db62218eabc662e7
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

1 files changed, 33 insertions, 7 deletions

diff --git a/mcp/reclass/classes/cluster/mcp-iec-noha/akraino/iec.yml.j2 b/mcp/reclass/classes/cluster/mcp-iec-noha/akraino/iec.yml.j2
index d3e6b6673..ccd378b73 100644
--- a/mcp/reclass/classes/cluster/mcp-iec-noha/akraino/iec.yml.j2
+++ b/mcp/reclass/classes/cluster/mcp-iec-noha/akraino/iec.yml.j2
@@ -32,12 +32,40 @@ parameters:
     single_nic: {{ ma.interface_str(nm.ctl01.nic_mgmt, nm.vlan_mgmt) }}
 {%- endif %}
   linux:
+{%- if 'centos' not in conf.MCP_OS %}
+{%- set proto_manual = 'manual' %}
+{%- else %}
+{%- set proto_manual = 'none' %}
+    system:
+      file:
+        /etc/gshadow:
+          group: root
+        /etc/shadow:
+          group: root
+        /etc/udev/rules.d/70-persistent-net.rules:
+          contents: ''
+{%- if conf.nodes[nm.ctl01.idx].node.arch == 'aarch64' %}
+        /etc/modprobe.d/vfat.conf:
+          contents: ''
+        /boot/efi/EFI/centos/grub.cfg:
+          source: /boot/grub2/grub.cfg
+{%- endif %}
+      kernel:
+        boot_options:
+          - net.ifnames=1
+          - biosdevname=1
+        modules:
+          - br_netfilter
+      at:
+        enabled: False
+      cron:
+        enabled: False
+{%- endif %}
     network:
       interface:
         pxe_admin_int:
           enabled: true
           name: ${_param:pxe_admin_interface}
-          proto: static
           type: eth
           address: ${_param:pxe_admin_address}
           netmask: ${_param:opnfv_net_admin_mask}
@@ -49,28 +77,27 @@ parameters:
   {%- do nics.pop(nm.ctl01.nic_admin) %}
 {%- endif %}
 
-{{ ma.linux_network_interfaces_nic(nics) }}
+{{ ma.linux_network_interfaces_nic(nics, proto_manual) }}
 
-{{ ma.linux_network_interfaces_vlan(vlans) }}
+{{ ma.linux_network_interfaces_vlan(vlans, proto_manual) }}
 
 {%- if '-vcp-' in conf.MCP_DEPLOY_SCENARIO %}
         single:
           enabled: true
           type: eth
-          proto: manual
+          proto: {{ proto_manual }}
           name: ${_param:single_nic}
           mtu: ${_param:interface_mtu}
         external:
           enabled: true
           type: eth
-          proto: manual
+          proto: {{ proto_manual }}
           name: ${_param:external_nic}
           mtu: ${_param:interface_mtu}
 {%- endif %}
         br-ctl:
           enabled: true
           type: bridge
-          proto: static
           address: ${_param:single_address}
           netmask: ${_param:opnfv_net_mgmt_mask}
           noifupdown: true
@@ -80,7 +107,6 @@ parameters:
         br-ex:
           enabled: true
           type: bridge
-          proto: static
           address: ${_param:external_address}
           netmask: ${_param:opnfv_net_public_mask}
           noifupdown: true