error_code docker_scheduler::initialize()
{
_run_path = dsn_config_get_value_string("apps.client","run_path","","");
dassert( _run_path != "", "run path is empty");
dinfo("run path is %s",_run_path.c_str());
#ifndef _WIN32
int ret;
FILE *in;
ret = system("docker version");
if (ret != 0)
{
dinfo("docker is not in the PATH");
return ::dsn::dist::ERR_DOCKER_BINARY_NOT_FOUND;
}
in = popen("service docker status","r");
if (in == nullptr)
{
dinfo("docker daemon is not running");
return ::dsn::dist::ERR_DOCKER_DAEMON_NOT_FOUND;
}
else
{
char buff[512];
while( fgets(buff,sizeof(buff),in) != nullptr)
{
constexpr const char substr[] = "docker start/running";
constexpr size_t length = sizeof(substr) - 1;
if( strncmp(substr,buff,length) != 0 )
{
dinfo("docker daemon is not running");
return ::dsn::dist::ERR_DOCKER_DAEMON_NOT_FOUND;
}
}
}
pclose(in);
#endif
dassert(_docker_deploy_handle == nullptr, "docker deploy is initialized twice");
_docker_deploy_handle = dsn_cli_app_register("deploy","deploy onto docker scheduler","",this,&deploy_docker_unit,&deploy_docker_unit_cleanup);
dassert(_docker_deploy_handle != nullptr, "register cli handler failed");
dassert(_docker_undeploy_handle == nullptr, "docker undeploy is initialized twice");
_docker_undeploy_handle = dsn_cli_app_register("undeploy","undeploy from docker scheduler","",this,&undeploy_docker_unit,&undeploy_docker_unit_cleanup);
dassert(_docker_undeploy_handle != nullptr, "register cli handler failed");
return ::dsn::ERR_OK;
}
error_code deploy_svc_service_impl::start()
{
std::string pdir = utils::filesystem::path_combine(dsn_get_current_app_data_dir(), "services");
_service_dir = dsn_config_get_value_string("deploy.service",
"deploy_dir",
pdir.c_str(),
"where to put temporal deployment resources"
);
// load clusters
const char* clusters[100];
int sz = 100;
int count = dsn_config_get_all_keys("deploy.service.clusters", clusters, &sz);
dassert(count <= 100, "too many clusters");
for (int i = 0; i < count; i++)
{
std::string cluster_name = dsn_config_get_value_string(
clusters[i],
"name",
"",
"cluster name"
);
if (nullptr != get_cluster(cluster_name))
{
derror("cluster %s already defined", cluster_name.c_str());
return ERR_CLUSTER_ALREADY_EXIST;
}
std::string cluster_factory_type = dsn_config_get_value_string(
clusters[i],
"factory",
"",
"factory name to create the target cluster scheduler"
);
auto cluster = ::dsn::utils::factory_store<cluster_scheduler>::create(
cluster_factory_type.c_str(),
PROVIDER_TYPE_MAIN
);
if (nullptr == cluster)
{
derror("cluster type %s is not defined", cluster_factory_type.c_str());
return ERR_OBJECT_NOT_FOUND;
}
std::shared_ptr<cluster_ex> ce(new cluster_ex);
ce->scheduler.reset(cluster);
ce->cluster.name = cluster_name;
ce->cluster.type = cluster->type();
_clusters[cluster_name] = ce;
}
_cli_deploy = dsn_cli_app_register(
"deploy",
"deploy deploy_request(in json format)",
"deploy an app via our deployment service",
(void*)this,
[](void *context, int argc, const char **argv, dsn_cli_reply *reply)
{
auto this_ = (deploy_svc_service_impl*)context;
this_->on_deploy_cli(context, argc, argv, reply);
},
__svc_cli_freeer__
);
_cli_undeploy = dsn_cli_app_register(
"undeploy",
"undeploy service_name(in json format)",
"undeploy an app via our deployment service",
(void*)this,
[](void *context, int argc, const char **argv, dsn_cli_reply *reply)
{
auto this_ = (deploy_svc_service_impl*)context;
this_->on_undeploy_cli(context, argc, argv, reply);
},
__svc_cli_freeer__
);
_cli_get_service_list = dsn_cli_app_register(
"service_list",
"service_list package_id(in json format)",
"get service list of a package via our deployment service",
(void*)this,
[](void *context, int argc, const char **argv, dsn_cli_reply *reply)
{
auto this_ = (deploy_svc_service_impl*)context;
this_->on_get_service_list_cli(context, argc, argv, reply);
},
__svc_cli_freeer__
);
_cli_get_service_info = dsn_cli_app_register(
"service_info",
"service_info service_name(in json format)",
"get service info of a service via our deployment service",
(void*)this,
[](void *context, int argc, const char **argv, dsn_cli_reply *reply)
{
auto this_ = (deploy_svc_service_impl*)context;
this_->on_get_service_info_cli(context, argc, argv, reply);
},
__svc_cli_freeer__
);
_cli_get_cluster_list = dsn_cli_app_register(
"cluster_list",
"cluster_list format(in json format)",
"get cluster list with a specific format via our deployment service",
(void*)this,
[](void *context, int argc, const char **argv, dsn_cli_reply *reply)
{
auto this_ = (deploy_svc_service_impl*)context;
this_->on_get_cluster_list_cli(context, argc, argv, reply);
},
__svc_cli_freeer__
);
return ERR_OK;
}
