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74 lines
1.7 KiB
74 lines
1.7 KiB
#!/bin/bash
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## Init is run on host
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## For now it is run every time the script is launched, but
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## it should be launched only once after build.
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## Accessible variables are:
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## - SERVICE_NAME Name of current service
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## - DOCKER_BASE_IMAGE Base image from which this service might be built if any
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## - SERVICE_DATASTORE Location on host of the DATASTORE of this service
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## - SERVICE_CONFIGSTORE Location on host of the CONFIGSTORE of this service
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. lib/common
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set -e
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uid=$(docker_get_uid "$SERVICE_NAME" "mongodb")
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CONFIG=$SERVICE_CONFIGSTORE/etc/mongod.conf
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mkdir -p "$(dirname "$CONFIG")"
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## XXXvlab: replication here is hardwired and not handled at all
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cat <<EOF > "$CONFIG"
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storage:
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dbPath: /var/lib/mongodb
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net:
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bindIp: 0.0.0.0
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replication:
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oplogSizeMB: 128
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replSetName: rs01
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EOF
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chown -v "$uid" "$CONFIG"
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dirs=(/var/{log,lib}/mongodb )
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host_dirs=()
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for dir in "${dirs[@]}"; do
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host_dirs+=("$SERVICE_DATASTORE$dir")
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done
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mkdir -p "${host_dirs[@]}"
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find "${host_dirs[@]}" \! -user "$uid" -print0 | while read-0 f; do
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chown -v "$uid" "$f" || exit 1
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done
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config_hash=$(cat "$CONFIG" | md5_compat) || exit 1
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init-config-add "
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$MASTER_BASE_SERVICE_NAME:
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labels:
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- compose.config_hash=$config_hash
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"
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ensure_db_docker_running
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## ReplicaSet initialization
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cmd="rs.initiate({ _id: 'rs01', members: [ { _id: 0, host: '$SERVICE_NAME:27017' } ]})"
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debug "${WHITE}running:$NORMAL $cmd"
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out=$(ddb <<<"$cmd")
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if [[ "$out" == *"\"codeName\" : \"AlreadyInitialized\""* ]]; then
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info "ReplicaSet already initialized."
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elif [[ "$out" == *"\"ok\" : 1"* ]]; then
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info "ReplicaSet initialized. "
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else
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err "ReplicaSet initialisation failed:"
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echo "$out" >&2
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exit 13
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fi
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