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#!/opt/bIn/perl |
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|
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=head1 NAME |
4 |
|
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aemp - AnyEvent:MP utility |
6 |
|
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=head1 SYNOPSIS |
8 |
|
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aemp command args... |
10 |
|
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# protocol commands |
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aemp snd <port> <arg...> # send a message |
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aemp mon <port> # wait till port is killed |
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aemp rpc <port> <arg...> # send message, append reply |
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aemp eval <node> <expr...> # evaluate expression |
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aemp trace <node> # trace the network topology |
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|
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# run a node |
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aemp run configure_args... # run a node |
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aemp restart <node> # restart a node if running under watchdog |
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|
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# node configuration: node ID |
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aemp setnodeid <nodeid> # configure the real node id |
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aemp delnodeid # reset node id to default (= inherit) |
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|
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# node configuration: secret |
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aemp gensecret # generate a random shared secret |
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aemp setsecret <secret> # set the shared secret |
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aemp delsecret # remove the secret (= inherit) |
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|
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# node configuration: TLS |
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aemp gencert # generate a random certificate |
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aemp setcert <file> # set a certificate (key.pem + certificate.pem) |
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aemp delcert # remove certificate (= inherit) |
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|
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# node configuration: seed addresses for bootstrapping |
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aemp setseeds <host:port>,... # set seeds |
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aemp delseeds # clear all seeds (= inherit) |
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aemp addseed <host:port> # add a seed |
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aemp delseed <host:port> # remove seed |
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|
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# node configuration: bind addresses |
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aemp setbinds <host:port>,... # set binds |
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aemp delbinds # clear all binds (= inherit) |
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aemp addbind <host:port> # add a bind address |
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aemp delbind <host:port> # remove a bind address |
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|
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# node configuration: services |
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aemp setservices initfunc,... # set service functions |
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aemp delservices # clear all services (= inherit) |
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aemp addservice <initfunc> # add an instance of a service |
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aemp delservice <initfunc> # delete one instance of a service |
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|
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# profile-specific configuration |
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aemp profile <name> <command>... # apply command to profile only |
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aemp setparent <name> # specify a parent profile |
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aemp delparent # clear parent again |
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aemp delprofile <name> # eradicate the named profile |
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aemp showprofile <name> # display given profile |
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aemp showconfig <name> ... # display effective config |
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|
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=head1 DESCRIPTION |
63 |
|
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With aemp you can configure various aspects of AnyEvent::MP and its |
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protocol, send various messages and even run a node. |
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|
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The F<aemp> utility works like F<cvs>, F<svn> or other commands: the first |
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argument defines which operation (subcommand) is requested, after which |
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arguments for this operation are expected. When a subcommand does not eat |
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all remaining arguments, the remaining arguments will again be interpreted |
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as subcommand and so on. |
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|
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This means you can chain multiple commands, which is handy for profile |
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configuration, e.g.: |
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|
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aemp gensecret profile xyzzy binds 4040,4041 nodeid anon/ |
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|
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Please note that all C<setxxx> subcommands have an alias without the |
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C<set> prefix. |
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|
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All configuration data is stored in a human-readable (JSON) config file |
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stored in F<~/.perl-anyevent-mp> (or F<%appdata%/perl-anyevent-mp> |
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on loser systems). Feel free to look at it or edit it, the format is |
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relatively simple. |
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|
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=head2 SPECIFYING ARGUMENTS |
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|
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Arguments can be specified just as with any other shell command, with a |
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few special cases: |
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|
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If the I<first> argument starts with a literal C<[>-character, then it is |
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interpreted as a UTF-8 encoded JSON text. The resulting array replaces all |
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arguments. |
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|
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Otherwise, if I<any> argument starts with one of C<[>, C<{> or C<">, then |
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it is interpreted as UTF-8 encoded JSON text (or a single value in case of |
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C<">), and the resulting reference or scalar replaces the argument. |
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|
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This allows you, for example, to specify binds in F<aemp run> (using POSIX |
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shell syntax): |
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|
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aemp run binds '["*:4040"]' |
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|
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=head2 RUNNING A NODE |
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|
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This can be used to run a node - together with some services, this makes |
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it unnecessary to write any wrapper programs. |
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|
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=over 4 |
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|
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=item run <configure_args>... |
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|
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Runs a node by calling C<AnyEvent::MP::Kernel::configure> with the given |
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arguments. The node runs under L<AnyEvent::Watchdog>, can be restarted |
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(and autorestarted, see the L<AnyEvent::Watchdog> manual). A very common |
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invocation is to just specify a profile using the profile name |
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|
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aemp run database-backend |
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|
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... but you can use most arguments that C<configure> understands: |
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|
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aemp run nodeid mynode2 profile someprofile |
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|
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Care has been taken to load (almost) no modules other than |
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L<AnyEvent::Watchdog> and the modules it loads, so everything (including |
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the L<AnyEvent::MP> modules themselves) will be freshly loaded on restart, |
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which makes upgrading everything except the perl binary easy. |
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|
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=item restart <node> |
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|
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Restarts the node using C<AnyEvent::Watchdog::Util::restart>. This works |
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for nodes started by C<aemp run>, but also for any other node that uses |
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L<AnyEvent::Watchdog>. |
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|
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=back |
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|
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=head2 PROTOCOL COMMANDS |
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|
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These commands actually communicate with other nodes. They all use a node |
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profile name of C<aemp> (specifying a default node ID of C<anon/> and a |
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binds list containing C<*:*> only). |
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|
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They all use a timeout of five seconds, after which they give up. |
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|
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=over 4 |
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|
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=item snd <port> <arguments...> |
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|
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Simply send a message to the given port - where you get the port ID from |
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is your problem. |
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|
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Exits after ensuring that the message has been delivered to its node. |
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|
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Most useful to take advantage of some undocumented functionality inside |
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nodes, such as node ports being able to call any method: |
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|
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aemp snd doomed AnyEvent::Watchdog::restart 1 |
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|
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=item rpc <port> <arg...> |
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|
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Like F<aemp snd>, but appends a local reply port to the message and waits |
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for a message to it. |
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|
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Any return values will be JSON-encoded and printed separated by commas |
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(kind of like a JSON array without []-brackets). |
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|
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Example: ask the (undocumented) time service of a node for it's current |
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time. |
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|
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aemp rpc mynode time |
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|
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=item mon <port> |
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|
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Monitors the port and exits when it's monitorign callback is called. Most |
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useful to monitor node ports. |
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|
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Example: monitor some node. |
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|
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aemp mon doomed |
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|
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=item eval <node> <expr...> |
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|
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Joins all remaining arguments into a string and evaluates it on the given |
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node. Return values are handled as with F<aemp rpc>. |
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|
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Example: find the unix process ID of the node called posicks. |
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|
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aemp eval posicks '$$' |
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|
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=item trace <node> |
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|
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Asks the given node for all currently connected nodes, then asks those |
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nodes for the same, thus tracing all node connections. |
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|
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=back |
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|
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=head2 CONFIGURATION/NODE ID/SECRET/CERTIFICATE |
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|
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These commands deal with rather basic settings, the node ID, the shared |
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secret and the TLS certificate. |
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|
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=over 4 |
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|
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=item setnodeid <nodeid> |
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|
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Set the node ID to the given string. |
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|
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=item delnodeid |
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|
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Removes the node ID again, which means it is inherited again from it's |
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parent profile, or stays unset. |
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|
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=item gensecret |
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|
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Generates a random shared secret and sets it. The shared secret is used to |
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authenticate nodes to each other when TLS is not required. |
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|
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=item setsecret <secret> |
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|
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Sets the shared secret tot he given string, which can be anything. |
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|
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=item delsecret |
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|
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Removes the shared secret again, which means it is inherited again from |
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it's parent profile, or stays unset. |
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|
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=item gencert |
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|
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Generates a self-signed certificate and key, and sets it. This works |
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similarly to a shared secret: when all nodes have it, TLS will be used to |
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authenticate and encrypt all traffic. |
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|
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=item setcert <file> |
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|
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Set a node certificate (and optionally any CA certificates) from the given |
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file. The file must contain the key, followed by the certificate, followed |
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by any CA certificates you want to trust, all in PEM format. |
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|
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See L<AnyEvent::TLS> for some more details - this sets the C<cert> and |
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C<ca_cert> options. |
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|
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=item delcert |
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|
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Removes the certificate(s) again, which means it is inherited again from |
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it's parent profile, or stays unset. |
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|
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=back |
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|
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=head2 CONFIGURATION/SEEDS |
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|
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To discover the network you have to specify some seed addresses, which are |
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basically C<host:port> pairs where you expect some long-running nodes. It |
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does no harm to have a node as its own seed (they will eventually be |
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ignored). |
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|
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=over 4 |
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|
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=item setseeds <host:port>,... |
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|
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Sets or replaces the list of seeds, which must be specified as a |
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comma-separated list of C<host:port> pairs. The C<host> can be a hostname, |
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an IP address, or C<*> to signify all local host addresses (which makes |
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little sense for seeds, outside some examples, but a lot of sense for |
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binds). |
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|
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An empty list is allowed. |
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|
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Example: use C<doomed> with default port as only seednode. |
269 |
|
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aemp setseeds doomed |
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|
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=item delseeds |
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|
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Removes the seed list again, which means it is inherited again from it's |
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parent profile, or stays unset. |
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|
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=item addseed <host:port> |
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|
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Adds a single seed address. |
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|
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=item delseed <host:port> |
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|
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Deletes the given seed address, if it exists. |
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|
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=back |
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|
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=head2 CONFIGURATION/BINDS |
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|
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To be able to be reached from other nodes, a node must I<bind> itself |
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to some listening socket(s). The list of these can either bs specified |
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manually, or AnyEvent::MP can guess them. Nodes without any binds are |
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possible to some extent. |
293 |
|
294 |
=over 4 |
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|
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=item setbinds <host:port>,... |
297 |
|
298 |
Sets the list of bind addresses explicitly - see the F<aemp setseeds> |
299 |
command for the exact syntax. In addition, a value of C<*> for the port, |
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or not specifying a port, means to use a dynamically-assigned port. |
301 |
|
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Note that the C<*>, C<*:*> or C<*:port> patterns are very useful here. |
303 |
|
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Example: bind on a ephemeral port on all local interfaces. |
305 |
|
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aemp setbinds "*" |
307 |
|
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Example: bind on a random port on all local interfaces. |
309 |
|
310 |
aemp setbinds "*:*" |
311 |
|
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Example: resolve "doomed.mydomain" and try to bind on port C<4040> of all |
313 |
IP addressess returned. |
314 |
|
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aep setbinds doomed.mydomain:4040 |
316 |
|
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=item delbinds |
318 |
|
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Removes the bind list again, which means it is inherited again from it's |
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parent profile, or stays unset. |
321 |
|
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=item addbind <host:port> |
323 |
|
324 |
Adds a single bind address. |
325 |
|
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=item delbind <host:port> |
327 |
|
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Deletes the given bind address, if it exists. |
329 |
|
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=back |
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|
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=head2 CONFIGURATION/SERVICES |
333 |
|
334 |
Services are modules (or functions) that are automatically loaded (or |
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executed) when a node starts. They are especially useful when used in |
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conjunction with F<aemp run>, to configure which services a node should |
337 |
run. |
338 |
|
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=over 4 |
340 |
|
341 |
=item setservices <initfunc>... |
342 |
|
343 |
Sets or replaces the list of services, which must be specified as a |
344 |
comma-separated list or a JSON array. |
345 |
|
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Each string entry in the list is interpreted as either a module name to |
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load (when it ends with C<::>) or a function to call (all other cases). |
348 |
|
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Each entry which is an array itself (you need to use JSON format to |
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specify those) is interpreted as a function name and the arguments to |
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pass. |
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|
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The algorithm to find the function is the same as used for C<< |
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L<AnyEvent::MP>::spawn >>. |
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|
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Example: run the globa service (which runs anyway, but this doesn't hurt). |
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|
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aemp setservices AnyEvent::MP::Global:: |
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|
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Example: call the mymod::myfun function with arguments 1, 2 and 3. |
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|
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aemp setservices '[["mymod::myfun", 1,2,3]]' |
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|
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=item delservices |
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|
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Removes the service list again, which means it is inherited again from |
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it's parent profile, or stays unset. |
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|
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=item addservice <initfunc> |
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|
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Adds a single service. |
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|
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=item delservice <initfunc> |
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|
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Deletes the given service, if it exists. |
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|
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=back |
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|
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=head2 CONFIGURATION/PROFILE MANAGEMENT |
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|
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All the above configuration functions by default affect the I<global |
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default configuration>, which is basically used to augment every profile |
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and node configuration. |
384 |
|
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=over 4 |
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|
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=item profile <name> ... |
388 |
|
389 |
This subcommand makes the following subcommands act only on a specific |
390 |
named profile, instead of on the global default. The profile is created if |
391 |
necessary. |
392 |
|
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Example: create a C<server> profile, give it a random node name, some seed |
394 |
nodes and bind it on an unspecified port on all local interfaces. You |
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should add some services then and run the node... |
396 |
|
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aemp profile server nodeid anon/ seeds doomed,10.0.0.2:5000 binds "*:*" |
398 |
|
399 |
=item delprofile <name> |
400 |
|
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Deletes the profile of the given name. |
402 |
|
403 |
=item setparent <name> |
404 |
|
405 |
Sets the parent profile to use - values not specified in a profile will be |
406 |
taken from the parent profile (even recursively, with the global default |
407 |
config being the default parent). This is useful to configure profile |
408 |
I<classes> and then to inherit from them for individual nodes. |
409 |
|
410 |
Note that you can specify circular parent chains and even a parent for the |
411 |
global configuration. Neither will do you any good, however. |
412 |
|
413 |
Example: inherit all values not specified in the C<doomed> profile from |
414 |
the C<server> profile. |
415 |
|
416 |
aemp profile doomed setparent server |
417 |
|
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=item delparent |
419 |
|
420 |
Removes the parent again from the profile, if any was set, so the profile |
421 |
inherits directly from the global default config again. |
422 |
|
423 |
=item showprofile <name> |
424 |
|
425 |
Shows the values of the given profile, and only those, no inherited |
426 |
values. |
427 |
|
428 |
=item showconfig <name> <key value...> |
429 |
|
430 |
Shows the I<effective> config, i.e. the values as used by a node started |
431 |
with the given profile name. Any additional key-value pairs specified |
432 |
augment the configuration, just as with C<configure>. |
433 |
|
434 |
If all arguments are omitted, show the global default config. |
435 |
|
436 |
=back |
437 |
|
438 |
=cut |
439 |
|
440 |
use common::sense; |
441 |
|
442 |
# should come before anything else, so all modules |
443 |
# will be loaded on each restart |
444 |
BEGIN { |
445 |
if (@ARGV == 1 && $ARGV[0] =~ /^\[/) { |
446 |
require JSON::XS; |
447 |
@ARGV = @{ JSON::XS->new->utf8->decode (shift) }; |
448 |
} else { |
449 |
for (@ARGV) { |
450 |
if (/^[\[\{\"]/) { |
451 |
require JSON::XS; |
452 |
$_ = JSON::XS->new->utf8->allow_nonref->decode ($_); |
453 |
} |
454 |
} |
455 |
} |
456 |
|
457 |
if ($ARGV[0] eq "run") { |
458 |
shift; |
459 |
|
460 |
# d'oh |
461 |
require AnyEvent::Watchdog; |
462 |
# now we can load extra modules |
463 |
|
464 |
require AnyEvent::Watchdog::Util; |
465 |
AnyEvent::Watchdog::Util::autorestart (1); |
466 |
AnyEvent::Watchdog::Util::heartbeat (300); |
467 |
|
468 |
require AnyEvent; |
469 |
require AnyEvent::MP::Kernel; |
470 |
AnyEvent::MP::Kernel::configure (@ARGV); |
471 |
|
472 |
AnyEvent::detect () eq "AnyEvent::Impl::EV" |
473 |
? EV::loop () |
474 |
: AE::cv ()->recv; |
475 |
} |
476 |
} |
477 |
|
478 |
use Carp (); |
479 |
|
480 |
use JSON::XS; |
481 |
|
482 |
use AnyEvent; |
483 |
use AnyEvent::Util; |
484 |
|
485 |
use AnyEvent::MP; |
486 |
use AnyEvent::MP::Config; |
487 |
|
488 |
sub my_run_cmd { |
489 |
my ($cmd) = @_; |
490 |
|
491 |
my $cv = &run_cmd; |
492 |
my $status = $cv->recv; |
493 |
|
494 |
$status |
495 |
and die "@$cmd: command failed with exit status $status."; |
496 |
} |
497 |
|
498 |
sub gen_cert { |
499 |
my_run_cmd [qw(openssl req |
500 |
-new -nodes -x509 -days 3650 |
501 |
-newkey rsa:2048 -keyout /dev/fd/3 |
502 |
-batch -subj /CN=AnyEvent::MP |
503 |
)], |
504 |
"<", "/dev/null", |
505 |
">" , \my $cert, |
506 |
"3>", \my $key, |
507 |
"2>", "/dev/null"; |
508 |
|
509 |
"$cert$key" |
510 |
} |
511 |
|
512 |
sub init { |
513 |
configure profile => "aemp", nodeid => "anon/"; |
514 |
} |
515 |
|
516 |
our $cfg = AnyEvent::MP::Config::config; |
517 |
our $profile = $cfg; |
518 |
|
519 |
sub trace { |
520 |
my ($node) = @_; |
521 |
my $cv = AE::cv; |
522 |
my %seen; |
523 |
|
524 |
my $to = AE::timer 15, 0, sub { exit 1 }; |
525 |
|
526 |
init; |
527 |
|
528 |
my $reply = port { |
529 |
my ($node, @neigh) = @_; |
530 |
|
531 |
@neigh = grep $_ ne $NODE, @neigh; |
532 |
|
533 |
print +(join " ", $node, @neigh), "\n"; |
534 |
|
535 |
for (@neigh) { |
536 |
unless ($seen{$_}++) { |
537 |
$cv->begin; |
538 |
snd $_, up_nodes => $SELF => $_; |
539 |
} |
540 |
} |
541 |
|
542 |
$cv->end; |
543 |
}; |
544 |
|
545 |
$cv->begin; |
546 |
snd $reply, seed => $node; |
547 |
|
548 |
$cv->recv; |
549 |
} |
550 |
|
551 |
sub node_eval { |
552 |
my ($node, $expr) = @_; |
553 |
|
554 |
init; |
555 |
|
556 |
my $cv = AE::cv; |
557 |
my $to = AE::timer 5, 0, sub { exit 1 }; |
558 |
AnyEvent::MP::Kernel::eval_on $node, $expr, port { &$cv }; |
559 |
mon $node, $cv; |
560 |
|
561 |
my ($err, @res) = $cv->recv; |
562 |
|
563 |
die $err if length $err; |
564 |
|
565 |
print +(substr JSON::XS->new->encode (\@res), 1, -1), "\n"; |
566 |
} |
567 |
|
568 |
sub docmd; |
569 |
|
570 |
our %CMD = ( |
571 |
snd => sub { |
572 |
my $port = shift @ARGV; |
573 |
init; |
574 |
|
575 |
snd $port, @ARGV; @ARGV = (); |
576 |
|
577 |
my $cv = AE::cv; |
578 |
my $to = AE::timer 5, 0, sub { exit 1 }; |
579 |
mon $port, $cv; |
580 |
my $reply = port sub { &$cv }; |
581 |
snd node_of $port, snd => $reply, "message sent successfully"; |
582 |
|
583 |
print join " ", $cv->recv, "\n"; |
584 |
}, |
585 |
|
586 |
rpc => sub { |
587 |
my $port = shift @ARGV; |
588 |
init; |
589 |
|
590 |
my $cv = AE::cv; |
591 |
my $to = AE::timer 5, 0, sub { exit 1 }; |
592 |
snd $port, @ARGV, port { &$cv }; @ARGV = (); |
593 |
mon $port, $cv; |
594 |
|
595 |
print +(substr JSON::XS->new->encode ([$cv->recv]), 1, -1), "\n"; |
596 |
}, |
597 |
|
598 |
mon => sub { |
599 |
my $port = shift @ARGV; |
600 |
init; |
601 |
|
602 |
mon $port, my $cv = AE::cv; |
603 |
print join " ", $cv->recv, "\n"; |
604 |
}, |
605 |
|
606 |
eval => sub { |
607 |
my $node = node_of shift @ARGV; |
608 |
my $expr = join " ", @ARGV; @ARGV = (); |
609 |
node_eval $node, $expr; |
610 |
}, |
611 |
|
612 |
trace => sub { |
613 |
@ARGV >= 1 |
614 |
or die "node id missing\n"; |
615 |
|
616 |
trace shift @ARGV; |
617 |
}, |
618 |
restart => sub { |
619 |
my $node = node_of shift @ARGV; |
620 |
node_eval $node, "AnyEvent::Watchdog::Util::restart"; |
621 |
}, |
622 |
|
623 |
setnodeid => sub { |
624 |
@ARGV >= 1 |
625 |
or die "shared secret missing\n"; |
626 |
|
627 |
$profile->{nodeid} = shift @ARGV; |
628 |
++$cfg->{dirty}; |
629 |
}, |
630 |
delnodeid => sub { |
631 |
delete $profile->{nodeid}; |
632 |
++$cfg->{dirty}; |
633 |
}, |
634 |
|
635 |
setsecret => sub { |
636 |
@ARGV >= 1 |
637 |
or die "shared secret missing\n"; |
638 |
|
639 |
$profile->{secret} = shift @ARGV; |
640 |
++$cfg->{dirty}; |
641 |
}, |
642 |
gensecret => sub { |
643 |
$profile->{secret} = AnyEvent::MP::Kernel::alnumbits AnyEvent::MP::Kernel::nonce 64; |
644 |
++$cfg->{dirty}; |
645 |
}, |
646 |
delsecret => sub { |
647 |
delete $profile->{secret}; |
648 |
++$cfg->{dirty}; |
649 |
}, |
650 |
|
651 |
setcert => sub { |
652 |
@ARGV >= 1 |
653 |
or die "key+certificate pem filename missing\n"; |
654 |
|
655 |
open my $fh, "<", $ARGV[0] |
656 |
or die "$ARGV[0]: $!"; |
657 |
|
658 |
local $/; |
659 |
$profile->{cert} = <$fh>; |
660 |
++$cfg->{dirty}; |
661 |
}, |
662 |
gencert => sub { |
663 |
$profile->{cert} = gen_cert; |
664 |
++$cfg->{dirty}; |
665 |
}, |
666 |
delcert => sub { |
667 |
delete $profile->{cert}; |
668 |
++$cfg->{dirty}; |
669 |
}, |
670 |
|
671 |
setbinds => sub { |
672 |
@ARGV >= 1 |
673 |
or die "bind addresses missing\n"; |
674 |
$profile->{binds} = [split /,/, shift @ARGV]; |
675 |
++$cfg->{dirty}; |
676 |
}, |
677 |
delbinds => sub { |
678 |
delete $profile->{binds}; |
679 |
++$cfg->{dirty}; |
680 |
}, |
681 |
addbind => sub { |
682 |
@ARGV >= 1 |
683 |
or die "bind address missing\n"; |
684 |
my $bind = shift @ARGV; |
685 |
|
686 |
@{ $profile->{binds} } = grep $_ ne $bind, @{ $profile->{binds} }; |
687 |
push @{ $profile->{binds} }, $bind; |
688 |
++$cfg->{dirty}; |
689 |
}, |
690 |
delbind => sub { |
691 |
@ARGV >= 1 |
692 |
or die "bind address missing\n"; |
693 |
my $bind = shift @ARGV; |
694 |
|
695 |
@{ $profile->{binds} } = grep $_ ne $bind, @{ $profile->{binds} }; |
696 |
++$cfg->{dirty}; |
697 |
}, |
698 |
|
699 |
setseeds => sub { |
700 |
@ARGV >= 1 |
701 |
or die "seed addresses missing\n"; |
702 |
$profile->{seeds} = [split /,/, shift @ARGV]; |
703 |
++$cfg->{dirty}; |
704 |
}, |
705 |
delseeds => sub { |
706 |
delete $profile->{seeds}; |
707 |
++$cfg->{dirty}; |
708 |
}, |
709 |
addseed => sub { |
710 |
@ARGV >= 1 |
711 |
or die "seed address missing\n"; |
712 |
my $seed = shift @ARGV; |
713 |
|
714 |
@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
715 |
push @{ $profile->{seeds} }, $seed; |
716 |
++$cfg->{dirty}; |
717 |
}, |
718 |
delseed => sub { |
719 |
@ARGV >= 1 |
720 |
or die "seed address missing\n"; |
721 |
my $seed = shift @ARGV; |
722 |
|
723 |
@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
724 |
++$cfg->{dirty}; |
725 |
}, |
726 |
|
727 |
setservices => sub { |
728 |
@ARGV >= 1 |
729 |
or die "service specifications missing\n"; |
730 |
$profile->{services} = [split /,/, shift @ARGV]; |
731 |
++$cfg->{dirty}; |
732 |
}, |
733 |
delservices => sub { |
734 |
delete $profile->{services}; |
735 |
++$cfg->{dirty}; |
736 |
}, |
737 |
addservice => sub { |
738 |
@ARGV >= 1 |
739 |
or die "service specification missing\n"; |
740 |
my $service = shift @ARGV; |
741 |
push @{ $profile->{services} }, $service; |
742 |
++$cfg->{dirty}; |
743 |
}, |
744 |
delservice => sub { |
745 |
@ARGV >= 1 |
746 |
or die "service specification missing\n"; |
747 |
my $service = shift @ARGV; |
748 |
for (0 .. $#{ $profile->{services} }) { |
749 |
next unless $profile->{services}[$_] eq $service; |
750 |
splice @{ $profile->{services} }, $_, 1; |
751 |
last; |
752 |
} |
753 |
++$cfg->{dirty}; |
754 |
}, |
755 |
|
756 |
profile => sub { |
757 |
@ARGV >= 1 |
758 |
or die "profile name is missing\n"; |
759 |
my $name = shift @ARGV; |
760 |
|
761 |
$profile = $cfg->{profile}{$name} ||= {}; |
762 |
++$cfg->{dirty}; |
763 |
}, |
764 |
delprofile => sub { |
765 |
@ARGV >= 1 |
766 |
or die "profile name is missing\n"; |
767 |
my $name = shift @ARGV; |
768 |
|
769 |
delete $cfg->{profile}{$name}; |
770 |
++$cfg->{dirty}; |
771 |
}, |
772 |
setparent => sub { |
773 |
@ARGV >= 1 |
774 |
or die "profile name is missing\n"; |
775 |
|
776 |
$profile->{parent} = shift @ARGV; |
777 |
++$cfg->{dirty}; |
778 |
}, |
779 |
delparent => sub { |
780 |
delete $profile->{parent}; |
781 |
++$cfg->{dirty}; |
782 |
}, |
783 |
showprofile => sub { |
784 |
@ARGV >= 1 |
785 |
or die "profile name is missing\n"; |
786 |
my $name = shift @ARGV; |
787 |
|
788 |
print JSON::XS->new->pretty->encode ($cfg->{profile}{$name} || {}); |
789 |
}, |
790 |
showconfig => sub { |
791 |
my $name = @ARGV ? shift @ARGV : AnyEvent::MP::Kernel::_nodename; |
792 |
|
793 |
my $profile = AnyEvent::MP::Config::find_profile $name, @ARGV; |
794 |
@ARGV = (); |
795 |
|
796 |
# make it look nicer: |
797 |
delete $profile->{profile}; |
798 |
delete $profile->{parent}; |
799 |
|
800 |
print JSON::XS->new->pretty->encode ($profile); |
801 |
}, |
802 |
|
803 |
# undocumented |
804 |
_resolve => sub { |
805 |
print +(join ",", (AnyEvent::MP::Kernel::_resolve shift @ARGV)->recv), "\n"; |
806 |
}, |
807 |
); |
808 |
|
809 |
for (keys %CMD) { |
810 |
$CMD{$1} = $CMD{$_} if /^set(.*)$/; |
811 |
} |
812 |
|
813 |
sub docmd { |
814 |
my $cmd = shift @ARGV; |
815 |
|
816 |
$CMD{$cmd} |
817 |
or die "$cmd: no such aemp command (try perldoc aemp, or man aemp)"; |
818 |
|
819 |
$CMD{$cmd}(); |
820 |
} |
821 |
|
822 |
@ARGV |
823 |
or die "Usage: aemp subcommand ... (try perldoc aemp, or man aemp)\n"; |
824 |
|
825 |
docmd while @ARGV; |
826 |
|
827 |
|