char *key_to_value(t_list *env, char *key)
{
t_list *curr;
curr = env;
while (curr != NULL)
{
if (my_strcmp(get_env_key(curr->data), key) == 0)
return (get_env_value(curr->data));
curr = curr->next;
}
return (NULL);
}
/**
* generate launch container PB request
message ContainerLaunchContextProto {
optional ContainerIdProto container_id = 1;
optional string user = 2;
optional ResourceProto resource = 3;
repeated StringLocalResourceMapProto localResources = 4;
optional bytes container_tokens = 5;
repeated StringBytesMapProto service_data = 6;
repeated StringStringMapProto environment = 7;
repeated string command = 8;
repeated ApplicationACLMapProto application_ACLs = 9;
}
message StartContainerRequestProto {
optional ContainerLaunchContextProto container_launch_context = 1;
}
*/
static int generate_launch_container_request(
char** buffer,
int* size,
hadoop_rpc_proxy_t* proxy,
int container_id,
containers_launch_context_t* launch_context) {
int rc;
struct pbc_wmessage* req = pbc_wmessage_new(env, "StartContainerRequestProto");
if (!req) {
opal_output(0, "get StartContainerRequestProto message failed.\n");
return -1;
}
struct pbc_wmessage* ctx = pbc_wmessage_message(req, "container_launch_context");
if (!ctx) {
opal_output(0, "get container_launch_context from StartContainerRequestProto failed.\n");
pbc_wmessage_delete(req);
return -1;
}
// set container_id
struct pbc_wmessage* id_proto = pbc_wmessage_message(ctx, "container_id");
if (!id_proto) {
opal_output(0, "get ContainerIdProto from ContainerLaunchContextProto failed.\n");
pbc_wmessage_delete(req);
return -1;
}
rc = pbc_wmessage_integer(id_proto, "id", container_id, NULL);
if (0 != rc) {
opal_output(0, "pack container-id failed.\n");
pbc_wmessage_delete(req);
return -1;
}
rc = set_app_attempt_id(id_proto, "app_attempt_id", proxy);
if (0 != rc) {
opal_output(0, "pack app_attempt_id failed.\n");
pbc_wmessage_delete(req);
return -1;
}
rc = set_app_id(id_proto, "app_id", proxy);
if (0 != rc) {
opal_output(0, "pack app_id failed.\n");
pbc_wmessage_delete(req);
return -1;
}
// pack user
rc = pbc_wmessage_string(ctx, "user", getlogin(), 0);
if (rc != 0) {
opal_output(0, "pack user name failed.\n");
return -1;
}
// pack resource
struct pbc_wmessage* res_msg = pbc_wmessage_message(ctx, "resource");
if (!res_msg) {
opal_output(0, "get resource_proto from context failed.\n");
return -1;
}
rc = pbc_wmessage_integer(res_msg, "memory", launch_context->resource.memory_per_slot, NULL);
if (rc != 0) {
pbc_wmessage_delete(req);
opal_output(0, "pack memory to resource failed.\n");
return -1;
}
// TODO, in 2.0.3, need pack cpu
// pack localResources
rc = set_local_resources(ctx, "localResources");
if (rc != 0) {
pbc_wmessage_delete(req);
opal_output(0, "pack local resources failed.\n");
return -1;
}
// pack env
int offset = 0;
if (launch_context->env) {
while (launch_context->env[offset]) {
struct pbc_wmessage* env_msg = pbc_wmessage_message(ctx, "environment");
if (!env_msg) {
pbc_wmessage_delete(req);
opal_output(0, "get env message from context failed.\n");
return -1;
}
char* key = get_env_key(launch_context->env[offset]);
char* val = get_env_val(launch_context->env[offset]);
if ((!key) || (!val)) {
if (key) {
free(key);
}
if (val) {
free(val);
}
pbc_wmessage_delete(req);
opal_output(0, "get env key or value failed, env=%s.\n", launch_context->env[offset]);
return -1;
}
// pack key
rc = pbc_wmessage_string(env_msg, "key", key, 0);
free(key);
if (rc != 0) {
free(val);
pbc_wmessage_delete(req);
opal_output(0, "set key to environment failed.\n");
return -1;
}
// pack val
rc = pbc_wmessage_string(env_msg, "value", val, 0);
if (rc != 0) {
free(val);
pbc_wmessage_delete(req);
opal_output(0, "set value to environment failed.\n");
return -1;
}
free(val);
offset++;
}
}
// pack $PATH, $LD_LIBRARY_PATH, $DYLD_LIBRARY_PATH, $CLASSPATH to env
if (0 != (rc = pack_env_to_launch_ctx("PATH", ctx))) {
pbc_wmessage_delete(req);
return -1;
}
if (0 != (rc = pack_env_to_launch_ctx("LD_LIBRARY_PATH", ctx))) {
pbc_wmessage_delete(req);
return -1;
}
if (0 != (rc = pack_env_to_launch_ctx("DYLD_LIBRARY_PATH", ctx))) {
pbc_wmessage_delete(req);
return -1;
}
if (0 != (rc = pack_env_to_launch_ctx("CLASSPATH", ctx))) {
pbc_wmessage_delete(req);
return -1;
}
// pack command
char* command = concat_argv_to_cmd(launch_context->argv);
if (!command) {
pbc_wmessage_delete(req);
opal_output(0, "concat argv to command to command failed. argv[0]:%s.\n", launch_context->argv[0]);
return -1;
}
rc = pbc_wmessage_string(ctx, "command", command, 0);
free(command);
if (rc != 0) {
opal_output(0, "pack command to context failed.\n");
pbc_wmessage_delete(req);
return -1;
}
struct pbc_slice slice;
pbc_wmessage_buffer(req, &slice);
/* try to create HadoopRpcRequestProto */
rc = generate_hadoop_request((const char*)(slice.buffer),
slice.len,
CONTAINER_MANAGER_PROTOCOL_NAME,
START_CONTAINER_METHOD_NAME,
buffer,
size);
if (0 != rc) {
opal_output(0, "create HadoopRpcRequestProto failed.\n");
pbc_wmessage_delete(req);
return -1;
}
pbc_wmessage_delete(req);
return 0;
}
