2023-07-12 04:46:12 +00:00
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#! /usr/bin/env bash
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SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
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USER_HOME=$HOME
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[[ -n "${SUDO_USER}" ]] && USER_HOME="$(eval "echo ~${SUDO_USER}")"
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. ${SHRC_D:-$SCRIPT_DIR}/01_util.functions
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set -e
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JSON=0
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if [[ $# -gt 0 && "$1" =~ ^-- ]]; then
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if [[ "$1" == "--help" ]]; then
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cat <<USAGE
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Usage:
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./tcdbinfo.sh --help
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sudo ./tcdbinfo.sh [--json|--cols=<columns>] [app1] [app...]
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Description:
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When running the script (as root) without any arguments, it will list
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all TrueChart apps with database credential secrets.
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The scope can be narrowed by passing app name arguments.
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The FIRST argument, however, will affect the output:
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--help - Display this usage text.
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--json - Output all fields in JSON format
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--cols=<columns> - Where <columns> can be empty, a preset name or
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a comma delimited list of columns.
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An empty string will show the default preset.
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Presets:
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default - The default preset
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safe - Similar to the default, but without
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the password column
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debug - Full connection URL with password
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masked with asterisks ('******')
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Columns:
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name - App name, preceding with ix-
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raw_url - DB connection URL as it is stored
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in kubernetes secrets.
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This can only be used within the
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same pod
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url - Fully formed URL.
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safeurl - Same as url, with password masked.
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protocol - Connection protocol.
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username - DB Username
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password - Password
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pwd_len - Password length
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host - Hostname
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port - Conection Port
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dbname - DB name
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When '--cols' is not specified, default behavious can be overridden
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by exporting the TCDBCOLS envrionment variable.
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--cols takes presedence, and overrides any behavior dictated by the
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environment variable
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USAGE
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exit 0
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elif [[ "$1" == "--json" ]]; then
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JSON=1
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elif [[ "$1" =~ ^--cols ]]; then
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[[ "$1" =~ ^--cols= ]] || shift
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TCDBCOLS="${1#--cols=}"
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2023-07-12 03:21:15 +00:00
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fi
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2023-07-12 04:46:12 +00:00
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shift
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fi
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TCDBCOLS="${TCDBCOLS:-default}"
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case "$TCDBCOLS" in
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'default' )
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TCDBCOLS='name,protocol,username,password,pwd_len,host,port,dbname'
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;;
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'safe' )
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TCDBCOLS='name,protocol,username,pwd_len,host,port,dbname'
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;;
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'debug' )
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TCDBCOLS='name,safeurl'
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;;
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esac
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require_root
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QUERY_NAMESPACE=' -A'
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[[ $# -eq 0 ]] || QUERY_NAMESPACE=$( printf -- ' --namespace=ix-%s' "${@}" )
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jqcode='
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.items[] | select(.metadata.name|test("(dbcreds|cnpg-main-urls)$$"))
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| {
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"name": .metadata.namespace,
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"app": .metadata.labels."app.kubernetes.io/instance",
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"url": (if .data.url != null then .data.url else .data.std end) | @base64d,
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"data": (
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(if .data.url != null then .data.url else .data.std end) |
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@base64d |
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match("(.*)://(.+):(.+)@([^:]+)(:(\\d+))?/(.*)$") | .captures | {
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"protocol": .[0].string,
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"username": .[1].string,
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"password": .[2].string,
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"passwordlen": .[2].string | length,
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"host": .[3].string,
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"safeport": .[4].string,
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"port": .[5].string,
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"dbname": .[6].string,
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}
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)
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} | {
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"name": .name,
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"raw_url": .url,
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"url": "\(.data.protocol)://\(.data.username)@\(.data.password):\(.data.host).\(.name).svc.cluster.local\(.data.safeport)/\(.data.dbname)",
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"safeurl": "\(.data.protocol)://\(.data.username)@*******:\(.data.host).\(.name).svc.cluster.local\(.data.safeport)/\(.data.dbname)",
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"protocol": .data.protocol,
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"username": .data.username,
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"password": .data.password,
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"pwd_len": .data.passwordlen,
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"host": "\(.data.host).\(.name).svc.cluster.local",
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"port": .data.port,
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"dbname": .data.dbname
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}
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'
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json_results=$(
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<<<"${QUERY_NAMESPACE}" \
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xargs -n1 k3s kubectl \
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get secrets \
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--output json \
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| jq "$jqcode"
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)
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[[ "$JSON" -eq 1 ]] && echo "$json_results" && exit 0
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JQ_COLS="[$( <<<"\"$TCDBCOLS\"" \
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jq -r '. | split(",") | map( "\"\(.)\"" ) | join(",")'
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)]"
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JQ_COLS_REGEX="$( <<<"$JQ_COLS" \
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jq -r '. | map ( ".\(.)" ) | join(",")'
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)"
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2023-07-12 04:53:28 +00:00
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[[ -z "$NOHEAD" ]] || JQ_COLS=
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2023-07-12 04:46:12 +00:00
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jqcode='
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['"${JQ_COLS^^}"'] + [.[] |
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['"$JQ_COLS_REGEX"']
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] | .[] | join("|")
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'
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<<<"$json_results" jq -s '.' | jq -r "$jqcode" | column -t -s "|"
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exit 0
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