diff options
Diffstat (limited to 'lib/snmp/src/agent/snmpa_supervisor.erl')
| -rw-r--r-- | lib/snmp/src/agent/snmpa_supervisor.erl | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/lib/snmp/src/agent/snmpa_supervisor.erl b/lib/snmp/src/agent/snmpa_supervisor.erl index 7d5c6da2c8..3261411ec3 100644 --- a/lib/snmp/src/agent/snmpa_supervisor.erl +++ b/lib/snmp/src/agent/snmpa_supervisor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2019. All Rights Reserved. +%% Copyright Ericsson AB 1996-2023. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -29,6 +29,7 @@ %% Internal exports -export([init/1, config/2]). +-compile({no_auto_import,[erase/1]}). -define(SERVER, ?MODULE). @@ -41,6 +42,10 @@ %% Process structure %% ================= %% +%% "application" +%% | +%% app-sup +%% | %% ___________________ supervisor __________________ %% / | | \ \ %% ___misc_sup___ target_cache symbolic_store local_db agent_sup @@ -176,7 +181,23 @@ start_master_sup(Opts) -> do_start_master_sup(Opts) -> verify_mandatory([db_dir], Opts), - supervisor:start_link({local, ?SERVER}, ?MODULE, [master, Opts]). + case supervisor:start_link({local, ?SERVER}, ?MODULE, [master, Opts]) of + {ok, Pid} = OK -> + %% <HACKETI-HACK-HACK> + Key = master_agent_child_spec, + MasterAgentSpec = lookup(Key), + case snmpa_agent_sup:start_master_agent(MasterAgentSpec) of + {ok, MPid} when is_pid(MPid) -> + erase(Key), + OK; + {error, {Reason, _ChildSpec}} -> + stop(Pid, 0), + {error, Reason} + end; + %% </HACKETI-HACK-HACK> + Else -> + Else + end. verify_mandatory([], _) -> ok; @@ -503,9 +524,18 @@ init([AgentType, Opts]) -> worker_spec(snmpa_agent, [Prio, snmp_master_agent, none, Ref, AgentOpts], Restart, 15000), + %% <HACKETI-HACK-HACK> + %% The point is to make start failure more quiet + %% Often the failure happens in the master agent, + %% so we move the start of that out of this function + %% and into the 'do_start_master_sup' function. + %% At some point we should rewrite this. Maybe start all + %% children the same way (explicitly). + store(master_agent_child_spec, AgentSpec), AgentSupSpec = - sup_spec(snmpa_agent_sup, [AgentSpec], + sup_spec(snmpa_agent_sup, [], Restart, infinity), + %% </HACKETI-HACK-HACK> [ConfigSpec, AgentSupSpec]; _ -> ?vdebug("[sub agent] spec for the agent supervisor",[]), @@ -521,6 +551,13 @@ init([AgentType, Opts]) -> store(Key, Value) -> ets:insert(snmp_agent_table, {Key, Value}). +lookup(Key) -> + [{Key, Value}] = ets:lookup(snmp_agent_table, Key), + Value. + +erase(Key) -> + ets:delete(snmp_agent_table, Key). + get_mibs(Mibs, Vsns) -> MibDir = filename:join(code:priv_dir(snmp), "mibs"), StdMib = |