111 lines
3.6 KiB
Bash
Executable File
111 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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set -xueo pipefail
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source "$(dirname $0)/utils.sh"
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goto_root
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## root README generator
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# only keep current README from begining to "Monitors summary" section (delete monitors list)
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sed -i '/### Monitors summary ###/q' README.md
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# add a newline after listing section
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echo >> README.md
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# loop over all ready monitors sets on the repo
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for path in $(find -mindepth 1 \( -path './incubator' -o -path './scripts' -o -path './testing' -o -path '*/\.*' \) -prune -o -type d -print | sort -fdbi); do
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# split path in directories
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directories=($(list_dirs $path))
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# loop over directories in path
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for i in $(seq 1 $((${#directories[@]}-1))); do
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## add tabulation for every subdirectory
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echo -en "\t" >> README.md
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done
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# add link to list of monitors sets
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echo -en "- [$(basename ${path})](https://bitbucket.org/morea/terraform.feature.datadog/src/master/" >> README.md
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# add path to link
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for directory in "${directories[@]}"; do
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echo -en "${directory}/" >> README.md
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done
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# end of markdown link
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echo ")" >> README.md
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done
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# this is the pattern from where custom information is saved to be restored
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PATTERN_DOC="Related documentation"
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# loop over every monitors set readme
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for path in $(find "$(get_scope $1)" -path ./incubator -prune -o -name 'monitors-*.tf' -print | sort -fdbi); do
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cd $(dirname $path)
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EXIST=0
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if [ -f README.md ]; then
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mv README.md README.md.bak
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EXIST=1
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fi
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# module name from path
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module=$(list_dirs $(dirname ${path}))
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# module name with space as separator
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module_space=${module^^}
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# module name with dash as separator
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module_dash=${module//[ ]/-}
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# module name with slash as separator
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module_slash=${module//[ ]/\/}
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# (re)generate README from scratch
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cat <<EOF > README.md
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# ${module_space} DataDog monitors
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## How to use this module
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\`\`\`
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module "datadog-monitors-${module_dash}" {
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source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//${module_slash}?ref={revision}"
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environment = "\${var.environment}"
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message = "\${module.datadog-message-alerting.alerting-message}"
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EOF
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# if README already exist
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if [[ $EXIST -eq 1 ]]; then
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# take all custom config in declaration module example after "message" and until the end of block to restore it
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sed -n '/^[[:space:]]*message[[:space:]]*=.*/,/^\}/p' README.md.bak | tail -n +2 | head -n -1 >> README.md
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fi
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# close block and generate the next until list of monitors
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cat <<EOF >> README.md
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}
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\`\`\`
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## Purpose
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Creates DataDog monitors with the following checks:
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EOF
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SAVEIFS=$IFS
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# allow looping over strings which contains spaces
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IFS=$(echo -en "\n\b")
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# loop over each monitor in the set
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for match in $(grep -E ^[[:space:]]+name[[:space:]]+= $(basename ${path}) | sort -fdbi); do
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# parse monitor's name
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name=$(get_name "${match}")
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# monitor name element to the list and replace "could reach" pattern to "forecast" for better naming
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echo "- ${name/could reach/forecast}" >> README.md
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done
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IFS=$SAVEIFS
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# auto generate terraform docs (inputs and outputs)
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terraform-docs md ./ >> README.md
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# if README does not exist
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if [[ $EXIST -eq 0 ]]; then
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# Simply add empty documentation section
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cat <<EOF >> README.md
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## ${PATTERN_DOC}
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EOF
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else
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# else restore the custom information saved before
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grep -Pzo --color=never ".*${PATTERN_DOC}(.*\n)*" README.md.bak | head -n -1 >> README.md
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rm README.md.bak
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fi
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# force unix format (I don't know why for now but you never know)
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dos2unix README.md
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cd - >> /dev/null
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done
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