43 lines
1.4 KiB
Bash
43 lines
1.4 KiB
Bash
#!/bin/bash -e
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# Essex-specific functions
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nova_set_or_update() {
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# Set a config option in nova.conf or api-paste.ini, depending
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# Defaults to updating nova.conf
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local key=$1
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local value=$2
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local conf_file=$3
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local pattern=""
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local nova_conf=${NOVA_CONF:-/etc/nova/nova.conf}
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local api_conf=${API_CONF:-/etc/nova/api-paste.ini}
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local libvirtd_conf=${LIBVIRTD_CONF:-/etc/libvirt/libvirtd.conf}
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[[ -z $key ]] && juju-log "$CHARM set_or_update: value $value missing key" && exit 1
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[[ -z $value ]] && juju-log "$CHARM set_or_update: key $key missing value" && exit 1
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[[ -z "$conf_file" ]] && conf_file=$nova_conf
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case "$conf_file" in
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"$nova_conf") match="\-\-$key="
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pattern="--$key="
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out=$pattern
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;;
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"$api_conf"|"$libvirtd_conf") match="^$key = "
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pattern="$match"
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out="$key = "
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;;
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*) error_out "ERROR: set_or_update: Invalid conf_file ($conf_file)"
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esac
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cat $conf_file | grep "$match$value" >/dev/null &&
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juju-log "$CHARM: $key=$value already in set in $conf_file" \
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&& return 0
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if cat $conf_file | grep "$match" >/dev/null ; then
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juju-log "$CHARM: Updating $conf_file, $key=$value"
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sed -i "s|\($pattern\).*|\1$value|" $conf_file
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else
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juju-log "$CHARM: Setting new option $key=$value in $conf_file"
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echo "$out$value" >>$conf_file
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fi
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}
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