op-mode: T2558: version: split out CPU info

Instead of using "show version" as catch-all command for information rather
add "show system cpu" op-mode command which is analogous to "show system memory"
which deals with RAM.

2 files changed, 66 insertions, 20 deletions

diff --git a/src/op_mode/show_cpu.py b/src/op_mode/show_cpu.py
new file mode 100755
index 000000000..0a540da1d
--- /dev/null
+++ b/src/op_mode/show_cpu.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2016-2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import json
+
+from jinja2 import Template
+from sys import exit
+from vyos.util import popen, DEVNULL
+
+OUT_TMPL_SRC = """
+{%- if cpu -%}
+{% if 'vendor' in cpu %}CPU Vendor:       {{cpu.vendor}}{%- endif %}
+{% if 'model' in cpu %}Model:            {{cpu.model}}{%- endif %}
+{% if 'cpus' in cpu %}Total CPUs:       {{cpu.cpus}}{%- endif %}
+{% if 'sockets' in cpu %}Sockets:          {{cpu.sockets}}{%- endif %}
+{% if 'cores' in cpu %}Cores:            {{cpu.cores}}{%- endif %}
+{% if 'threads' in cpu %}Threads:          {{cpu.threads}}{%- endif %}
+{% if 'mhz' in cpu %}Current MHz:      {{cpu.mhz}}{%- endif %}
+{% if 'mhz_min' in cpu %}Minimum MHz:      {{cpu.mhz_min}}{%- endif %}
+{% if 'mhz_max' in cpu %}Maximum MHz:      {{cpu.mhz_max}}{%- endif %}
+{% endif %}
+"""
+
+cpu = {}
+cpu_json, code = popen('lscpu -J', stderr=DEVNULL)
+
+if code == 0:
+    cpu_info = json.loads(cpu_json)
+    if len(cpu_info) > 0 and 'lscpu' in cpu_info:
+        for prop in cpu_info['lscpu']:
+            if (prop['field'].find('Thread(s)') > -1): cpu['threads'] = prop['data']
+            if (prop['field'].find('Core(s)')) > -1: cpu['cores'] = prop['data']
+            if (prop['field'].find('Socket(s)')) > -1: cpu['sockets'] = prop['data']
+            if (prop['field'].find('CPU(s):')) > -1: cpu['cpus'] = prop['data']
+            if (prop['field'].find('CPU MHz')) > -1: cpu['mhz'] = prop['data']
+            if (prop['field'].find('CPU min MHz')) > -1: cpu['mhz_min'] = prop['data']
+            if (prop['field'].find('CPU max MHz')) > -1: cpu['mhz_max'] = prop['data']
+            if (prop['field'].find('Vendor ID')) > -1: cpu['vendor'] = prop['data']
+            if (prop['field'].find('Model name')) > -1: cpu['model'] = prop['data']
+
+if len(cpu) > 0:
+    tmp = { 'cpu':cpu }
+    tmpl = Template(OUT_TMPL_SRC)
+    print(tmpl.render(tmp))
+    exit(0)
+else:
+    print('CPU information could not be determined\n')
+    exit(1)
diff --git a/src/op_mode/version.py b/src/op_mode/show_version.py
index 160aa9f26..d0d5c6785 100755
--- a/src/op_mode/version.py
+++ b/src/op_mode/show_version.py
@@ -18,14 +18,12 @@
 #    Displays image version and system information.
 #    Used by the "run show version" command.
 
-import sys
 import argparse
-import json
-import jinja2
-
 import vyos.version
 import vyos.limericks
 
+from jinja2 import Template
+from sys import exit
 from vyos.util import call
 
 parser = argparse.ArgumentParser()
@@ -45,18 +43,6 @@ Build Commit ID:  {{build_git}}
 Architecture:     {{system_arch}}
 Boot via:         {{boot_via}}
 System type:      {{system_type}}
-{% if cpu %}
-
-{% if 'vendor' in cpu %}CPU Vendor:       {{cpu.vendor}}{% endif %}
-{% if 'model' in cpu %}Model:            {{cpu.model}}{% endif %}
-{% if 'cpus' in cpu %}Total CPUs:       {{cpu.cpus}}{% endif %}
-{% if 'sockets' in cpu %}Sockets:          {{cpu.sockets}}{% endif %}
-{% if 'cores' in cpu %}Cores:            {{cpu.cores}}{% endif %}
-{% if 'threads' in cpu %}Threads:          {{cpu.threads}}{% endif %}
-{% if 'mhz' in cpu %}Current MHz:      {{cpu.mhz}}{% endif %}
-{% if 'mhz_min' in cpu %}Minimum MHz:      {{cpu.mhz_min}}{% endif %}
-{% if 'mhz_max' in cpu %}Maximum MHz:      {{cpu.mhz_max}}{% endif %}
-{% endif %}
 
 Hardware vendor:  {{hardware_vendor}}
 Hardware model:   {{hardware_model}}
@@ -72,14 +58,13 @@ if __name__ == '__main__':
     version_data = vyos.version.get_full_version_data()
 
     if args.json:
+        import json
         print(json.dumps(version_data))
-        sys.exit(0)
+        exit(0)
 
-    tmpl = jinja2.Template(version_output_tmpl)
+    tmpl = Template(version_output_tmpl)
     print(tmpl.render(version_data))
 
-    #print(version_output_tmpl.format(**version_data).strip())
-
     if args.all:
         print("Package versions:")
         call("dpkg -l")