isle/docs/dev/daemon-process-tree.plantuml

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@startuml
hide empty description
state "./cryptic-net daemon -c ./daemon.yml" as init
state AppDir {
note "All relative paths are relative to the root of the AppDir" as N1
state "./AppRun" as AppRun {
AppRun : * Set PATH to APPDIR/bin
}
state "./bin/entrypoint" as entrypoint {
entrypoint : * Merge given and default daemon.yml files
entrypoint : * Create runtime dir at $_RUNTIME_DIR_PATH
entrypoint : * Lock runtime dir
entrypoint : * Run child processes
}
init --> AppRun : exec
AppRun --> entrypoint : exec
state "./bin/dnsmasq-entrypoint" as dnsmasqEntrypoint {
dnsmasqEntrypoint : * Create $_RUNTIME_DIR_PATH/dnsmasq.conf
}
state "./bin/dnsmasq -d -C $_RUNTIME_DIR_PATH/dnsmasq.conf" as dnsmasq
entrypoint --> dnsmasqEntrypoint : child
dnsmasqEntrypoint --> dnsmasq : exec
state "./bin/nebula-entrypoint" as nebulaEntrypoint {
nebulaEntrypoint : * Create $_RUNTIME_DIR_PATH/nebula.yml
}
state "./bin/nebula -config $_RUNTIME_DIR_PATH/nebula.yml" as nebula
state "./bin/nebula-update-global-bucket" as nebulaUpdateGlobalBucket {
nebulaUpdateGlobalBucket : * Runs once then exits
nebulaUpdateGlobalBucket : * Updates network topo data in garage global bucket (used for bootstrapping)
}
entrypoint --> nebulaEntrypoint : child
nebulaEntrypoint --> nebula : exec
nebulaEntrypoint --> nebulaUpdateGlobalBucket : child
state "./bin/garage-entrypoint" as garageEntrypoint {
garageEntrypoint : * Create $_RUNTIME_DIR_PATH/garage-N.toml\n (one per storage allocation)
garageEntrypoint : * Run child processes
}
state "./bin/garage -c $_RUNTIME_DIR_PATH/garage-N.toml server" as garage
state "./bin/garage-apply-layout-diff" as garageApplyLayoutDiff {
garageApplyLayoutDiff : * Runs once then exits
garageApplyLayoutDiff : * Updates cluster topo
}
state "./bin/garage-update-global-bucket" as garageUpdateGlobalBucket {
garageUpdateGlobalBucket : * Runs once then exits
garageUpdateGlobalBucket : * Updates cluster topo data in garage global bucket (used for bootstrapping)
}
entrypoint --> garageEntrypoint : child (only if >1 storage allocation defined in daemon.yml)
garageEntrypoint --> garage : child (one per storage allocation)
garageEntrypoint --> garageApplyLayoutDiff : child
garageEntrypoint --> garageUpdateGlobalBucket : child
}
@enduml