First draft of the CI scripts

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/Jenkinsfile-gitlab

+// Comments
+
+pipeline {
+    agent {
+        label 'bellatrix'
+    }
+    options {
+        disableConcurrentBuilds()
+        timestamps()
+        gitLabConnection('OAI GitLab')
+        //gitlabBuilds(builds: ["Build", "Test"])
+    }
+
+    stages {
+        stage ("Verify Parameters") {
+            steps {
+                echo 'Verify Parameters'
+                echo "Git URL         is ${GIT_URL}"
+                echo "GitLab Act      is ${env.gitlabActionType}"
+                script {
+                    if ("MERGE".equals(env.gitlabActionType)) {
+                        // GitLab-Jenkins pugin integration is lacking to perform the merge by itself
+                        // Doing it manually --> it may have merge conflicts
+                        sh "./scripts/doGitLabMerge.sh ${env.gitlabSourceBranch} ${env.gitlabMergeRequestLastCommit} ${env.gitlabTargetBranch} ${GIT_COMMIT}"
+                        sh "./scripts/checkCodingFormattingRules.sh ${env.gitlabSourceBranch} ${env.gitlabTargetBranch}"
+                        def res=readFile('./oai_rules_result.txt').trim();
+                        if ("0".equals(res)) {
+                            addGitLabMRComment comment: "All Changed files in Merge Request follow OAI Formatting Rules"
+                        } else {
+                            addGitLabMRComment comment: "Some Changed files in Merge Request DO NOT follow OAI Formatting Rules"
+                        }
+                    } else {
+                        echo "Git Branch      is ${GIT_BRANCH}"
+                        echo "Git Commit      is ${GIT_COMMIT}"
+                        sh "./scripts/checkCodingFormattingRules.sh"
+                    }
+                }
+            }
+        }
+    }
+    post {
+        always {
+        }
+        success {
+            script {
+                def message = "OAI build #" + BUILD_ID + " passed (" + BUILD_URL + ")"
+                if ("MERGE".equals(env.gitlabActionType)) {
+                    echo "This is a MERGE event"
+                    addGitLabMRComment comment: message
+                    def message2 = "OAI build #" + BUILD_ID + " passed (" + BUILD_URL + ") -- MergeRequest #" + env.gitlabMergeRequestIid + " (" + env.gitlabMergeRequestTitle + ")"
+                    slackSend channel: 'ci-enb', color: 'good', message: message2
+                } else {
+                    slackSend channel: 'ci-enb', color: 'good', message: message
+                }
+            }
+        }
+        failure {
+            script {
+                def message = "OAI build #" + BUILD_ID + " failed (" + BUILD_URL + ")"
+                if ("MERGE".equals(env.gitlabActionType)) {
+                    echo "This is a MERGE event"
+                    addGitLabMRComment comment: message
+                    def message2 = "OAI build #" + BUILD_ID + " failed (" + BUILD_URL + ") -- MergeRequest #" + env.gitlabMergeRequestIid + " (" + env.gitlabMergeRequestTitle + ")"
+                    slackSend channel: 'ci-enb', color: 'danger', message: message2
+                } else {
+                    slackSend channel: 'ci-enb', color: 'danger', message: message
+                }
+            }
+        }
+    }
+}

ci-scripts/astyle-options.txt

+# OAI is using a style that is similar to the Google style
+--style=google
+# long options can be written without the preceding '--'
+# Convert tabs to spaces
+convert-tabs
+# Indentation is 2 spaces
+indent=spaces=2
+# Indent 'switch' blocks so that the 'case X:' statements are indented in the switch block. 
+indent-switches
+# Indent C++ comments beginning in column one.
+indent-col1-comments
+# Pad empty lines around header blocks
+break-blocks
+delete-empty-lines
+# Attach a pointer or reference operator (*, &, or ^) to the variable name (right)
+align-pointer=name
+# The code line length is 200 characters/columns 
+max-code-length=200
+break-after-logical
+lineend=linux

ci-scripts/checkCodingFormattingRules.sh

+#!/bin/bash
+
+if [ $# -eq 0 ]
+then
+    NB_FILES_TO_FORMAT=`astyle --dry-run --options=scripts/astyle-options.txt --recursive *.c *.h | grep -c Formatted `
+    echo "Nb Files that do NOT follow OAI rules: $NB_FILES_TO_FORMAT"
+    exit 0
+fi
+
+if [ $# -eq 2 ]
+then
+    # Merge request scenario
+
+    SOURCE_BRANCH=$1
+    echo "Source Branch  is : $SOURCE_BRANCH"
+
+    TARGET_BRANCH=$2
+    echo "Target Branch is  : $TARGET_BRANCH"
+
+    MERGE_COMMMIT=`git log -n1 | grep commit | sed -e "s@commit @@"`
+    echo "Merged Commit is  : $MERGE_COMMMIT"
+    TARGET_INIT_COMMIT=`cat .git/refs/remotes/origin/$TARGET_BRANCH`
+    echo "Target Init   is  : $TARGET_INIT_COMMIT"
+
+    # Retrieve the list of modified files since the latest develop commit
+    MODIFIED_FILES=`git log $TARGET_INIT_COMMIT..$MERGE_COMMMIT --oneline --name-status | egrep "^M|^A" | sed -e "s@^M\t*@@" -e "s@^A\t*@@" | sort | uniq`
+    NB_TO_FORMAT=0
+    for FULLFILE in $MODIFIED_FILES
+    do
+        echo $FULLFILE
+        filename=$(basename -- "$FULLFILE")
+        EXT="${filename##*.}"
+        if [ $EXT = "c" ] || [ $EXT = "h" ] || [ $EXT = "cpp" ] || [ $EXT = "hpp" ]
+        then
+            TO_FORMAT=`astyle --dry-run --options=scripts/astyle-options.txt $FULLFILE | grep -c Formatted `
+            NB_TO_FORMAT=$((NB_TO_FORMAT + TO_FORMAT))
+        fi
+    done
+    echo "Nb Files that do NOT follow OAI rules: $NB_TO_FORMAT"
+    echo $NB_TO_FORMAT > ./oai_rules_result.txt
+
+    exit 0
+fi
+
+if [ $# -ne 0 ] || [ $# -ne 2 ]
+then
+    echo "Syntax error: $0 without any option will check all files in repository"
+    echo "          or: $0 source-branch target-branch"
+    echo "              will only check files that are pushed for a merge-request"
+    exit 1
+fi

ci-scripts/doGitLabMerge.sh

+#!/bin/bash
+
+if [ $# -ne 4 ]
+then
+    echo "Syntax Error: $0 src-branch src-commit-id dest-branch dest-commit-id"
+    exit 1
+fi
+
+SOURCE_BRANCH=$1
+echo "Source Branch is    : $SOURCE_BRANCH"
+
+SOURCE_COMMIT_ID=$2
+echo "Source Commit ID is : $SOURCE_COMMIT_ID"
+
+TARGET_BRANCH=$3
+echo "Target Branch is    : $TARGET_BRANCH"
+
+TARGET_COMMIT_ID=$4
+echo "Target Commit ID is : $TARGET_COMMIT_ID"
+
+git config user.email "jenkins@openairinterface.org"
+git config user.name "OAI Jenkins"
+
+git checkout -f $SOURCE_COMMIT_ID
+
+git merge --ff $TARGET_COMMIT_ID -m "Temporary merge for CI"
+