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import os
import shutil
import subprocess
from unit.applications.proto import ApplicationProto
from unit.option import option
class ApplicationGo(ApplicationProto):
@staticmethod
def prepare_env(script, name='app', static=False):
try:
subprocess.check_output(['which', 'go'])
except subprocess.CalledProcessError:
return None
temp_dir = f'{option.temp_dir}/go/'
if not os.path.exists(temp_dir):
os.mkdir(temp_dir)
cache_dir = f'{option.cache_dir}/go-build'
if not os.path.exists(cache_dir):
os.mkdir(cache_dir)
env = os.environ.copy()
env['GOPATH'] = f'{option.current_dir}/build/go'
env['GOCACHE'] = cache_dir
shutil.copy2(f'{option.test_dir}/go/{script}/{name}.go', temp_dir)
if static:
args = [
'go',
'build',
'-tags',
'netgo',
'-ldflags',
'-extldflags "-static"',
'-o',
f'{temp_dir}{name}',
f'{temp_dir}{name}.go',
]
else:
args = [
'go',
'build',
'-o',
f'{temp_dir}{name}',
f'{temp_dir}{name}.go',
]
replace_path = f'{option.current_dir}/build/go/src/unit.nginx.org/go'
with open(f'{temp_dir}go.mod', 'w') as f:
f.write(
f"""module test/app
require unit.nginx.org/go v0.0.0
replace unit.nginx.org/go => {replace_path}
"""
)
if option.detailed:
print(f'\n$ GOPATH={env["GOPATH"]} {" ".join(args)}')
try:
output = subprocess.check_output(
args, env=env, cwd=temp_dir, stderr=subprocess.STDOUT
)
except KeyboardInterrupt:
raise
except subprocess.CalledProcessError:
return None
return output
def load(self, script, name='app', **kwargs):
static_build = False
wdir = f'{option.test_dir}/go/{script}'
executable = f'{option.temp_dir}/go/{name}'
if 'isolation' in kwargs and 'rootfs' in kwargs['isolation']:
wdir = "/go/"
executable = f"/go/{name}"
static_build = True
ApplicationGo.prepare_env(script, name, static=static_build)
conf = {
"listeners": {"*:7080": {"pass": f"applications/{script}"}},
"applications": {
script: {
"type": "external",
"processes": {"spare": 0},
"working_directory": wdir,
"executable": executable,
},
},
}
self._load_conf(conf, **kwargs)
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