Add changes I've made manually on the build server

This also adds the xmr-stak cypto miner container image I created
That one is the first of potentially many images I won't push to the official Docker Hub registries, but insted to my own private registry

xmr-stak/Dockerfile

@@ -0,0 +1,5 @@
+FROM alpine:latest
+RUN apk add python3
+COPY ./ /opt
+WORKDIR /opt
+CMD ./miner.py -m1

xmr-stak/config.txt

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+"call_timeout": 10, "retry_time": 30, "giveup_limit": 0, "verbose_level": 4, "print_motd": false, "h_print_time": 300, "aes_override": null, "use_slow_memory": "always", "tls_secure_algo": true, "daemon_mode": false, "output_file": "", "httpd_port": 8080, "http_login": "", "http_pass": "", "prefer_ipv4": false,

xmr-stak/cpu.txt

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+"cpu_threads_conf": [{"low_power_mode": 5, "affine_to_cpu": false}, {"low_power_mode": 5, "affine_to_cpu": false}],

xmr-stak/miner.py

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+#!/usr/bin/env python3
+from subprocess import Popen, PIPE
+from getopt import gnu_getopt, GetoptError
+from json import dumps, loads
+from os import environ
+
+from sys import stdout, stdin
+
+if environ.get('SLOW_MEMORY') == None:
+    environ['SLOW_MEMORY'] = 'warn'
+if environ.get('WORK_GROUP') == None:
+    environ['WORK_GROUP'] = 'testing'
+
+xmr = {
+    'config.txt': {
+        "call_timeout": 10,
+        "retry_time": 30,
+        "giveup_limit": 0,
+        "verbose_level": 4,
+        "print_motd": False,
+        "h_print_time": 300,
+        "aes_override": None,
+        "use_slow_memory": environ['SLOW_MEMORY'],
+        "tls_secure_algo": True,
+        "daemon_mode": False,
+        "output_file": "", #"/var/log/xmr-stak-rx.log",
+        "httpd_port": 8080,
+        "http_login": "",
+        "http_pass": "",
+        "prefer_ipv4": False,
+    },
+    'pools.txt': { "pool_list": [ {
+        "pool_address":  "europe.randomx-hub.miningpoolhub.com:20580",
+        "wallet_address":  f"Ghost-Zephyr.{environ['WORK_GROUP']}", "rig_id" : "",
+        "pool_password": "x", "use_nicehash": False, "use_tls": False, "tls_fingerprint": "",
+        "pool_weight": 1 },
+    ], "currency": "monero" },
+    'cpu.txt': {
+        "cpu_threads_conf" : [
+            #{ "low_power_mode": 5, "affine_to_cpu": false },
+        ]
+    }
+}
+
+sys = []
+
+def usage():
+    print('''
+Docker cryptominer script.
+Automagically generates configs and runs miner programs inside a container.
+
+    -h --help, shows this.
+    -m --monero [n], mines monero with n threads.
+''')
+
+def main(argv):
+    try:
+        opts, _ = gnu_getopt(argv, 'm:h', ['monero=', 'help'])
+        if len(opts) < 1:
+            usage()
+            exit()
+        for o, a in opts:
+            if o in ('-m', '--monero'):
+                monero(a)
+            elif o in ('-h', '--help'):
+                usage()
+                exit()
+            else:
+                assert False, "unhandled option"
+        #calls(sys)
+    except GetoptError as err:
+        print(f'\n{err}')
+        usage()
+
+def  monero(threads):
+    try:
+        for _ in range(0, int(threads)):
+            xmr['cpu.txt']['cpu_threads_conf'].append({ "low_power_mode": 5, "affine_to_cpu": False })
+        for c in xmr:
+            with open(c, 'r') as f:
+                d = f.readline()
+            if f'{dumps(xmr[c])[1:-1]},' != d:
+                with open(c, 'w') as f:
+                    f.write(f'{dumps(xmr[c])[1:-1]},')
+                print(f'Config {c} updated.')
+            else:
+                print(f'Config {c} unchanged.')
+        #sys.append(xmr)
+        p = Popen(['./xmr-stak-rx', '--currency', 'monero', '--config', 'config.txt', '--noDevSupport', '--noTest'], stdout=PIPE, stderr=PIPE, stdin=stdin)
+        for c in iter(lambda: p.stdout.readline(1), b''): stdout.write(c.decode('utf-8'))
+    except KeyboardInterrupt:
+        p.terminate()
+        o, _ = p.communicate()
+        print(o.decode('utf-8'))
+    except NameError:
+        print('\\nGot keyboard interrupt beafore starting xmr-stak-rx.')
+    except ValueError:
+        print('\nThreads has to be a number.')
+        usage()
+
+def calls(sys):
+    if len(sys) > 1:
+        raise NotImplementedError # TODO: syscall hander with std pipes to run multiple miners at once. subprocess.Popen?
+    if 'xmr' in sys:
+        p = Popen('./xmr-stak-rx --currency monero --config config.txt --noDevSupport --noTest', shell=True, stdout=PIPE, stderr=PIPE, stdin=stdin)
+        o, _ = p.communicate()
+        print(o.decode('utf-8'))
+
+if __name__ == '__main__':
+    from sys import argv
+    main(argv[1:])
+

xmr-stak/pools.txt

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+"pool_list": [{"pool_address": "europe.randomx-hub.miningpoolhub.com:20580", "wallet_address": "Ghost-Zephyr.datacenter", "rig_id": "", "pool_password": "x", "use_nicehash": false, "use_tls": false, "tls_fingerprint": "", "pool_weight": 1}], "currency": "monero",